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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Oksanen, Laila;

    Tämä tutkimus perustuu prosessijohtamiseen ja tilaus-toimitusprosessin suorituskyvyn mittaamiseen. Tutkimusongelmaa lähestytään toiminta-analyyttisen ja konstruktiivisen tutkimusotteen avulla. Toiminta-analyyttinen tutkimusote vaatii tutkimusongelmaan liittyvään teoriaan perehtymistä ja suosituksia toimenpiteistä. Tämän vuoksi tutkimuksessa on syvennytty aikaisempiin suorituskykyä sekä prosessijohtamista koskeviin teorioihin ja tutkimusraportteihin, jotta löydettäisiin case-yrityksen näkökulmasta vastauksia esitettyihin tutkimuskysymyksiin. Tutkimuksen tarkoituksena on analysoida case-yrityksen tilaus-toimitusprosessin johtamista ja prosessin suorituskykyyn vaikuttavia tekijöitä. Tavoitteena on löytää sellaisia suorituskyvyn osa-alueita, joiden mittaaminen tuottaa helpoiten ja nopeasti tietoa päätöksenteon tueksi sekä tilaus-toimituksen johtamista varten. Toisena tavoitteena on selvittää, millaisilla mittareilla yrityksen suorituskykyä voidaan mitata. Tutkimuksessa hyödynnetään toiminta-analyyttistä ja konstruktiivista tutkimusotetta sekä otteisiin liittyviä eri tutkimusmenetelmiä. Tutkimuksen lähestymistapa perustuu pk-yrityksen lähtökohtiin. Koska työssä tarkastellaan suorituskykyä sisäisen suorituskyvyn näkökulmasta, työssä esitellään sisäisen suorituskyvyn eri osa-alueita. Kansainvälisen tutkimuksen mukaan pk-yritykselle tärkeitä sisäisen suorituskyvyn osa-alueita ovat aika, joustavuus, laatu, talous, asiakastyytyväisyys sekä henkilöstön osaaminen ja innovatiivisuus. Tässä tutkimuksessa edellä mainitut suorituskyvyn osa-alueet todennettiin tärkeiksi, kun analysoitiin case-yrityksen tilaus-toimituksen kriittisiä menestystekijöitä. Tutkimustyön tuloksena rakennettiin yksinkertainen ja helppokäyttöinen mittaristo sekä analysointimenetelmä, jonka avulla on mahdollista seurata tilaus-toimitusprosessin suorituskykyä. Mittaristo rakennettiin SAKE-suorituskyvyn analysointijärjestelmän pohjalle. This research is based on process management and the measuring of performance of an order-delivery process. Research questions, which are based on the research problem, are solved by using an action based analysis method and a constructive method. These two methods form the frames of reference also in this thesis. The use of action based analysis method requires a thorough examination of the theories and the previous research reports of performance and process management. In addition to solving the research problem, actions of improvement need to be recommended. The goal of this research is to analyse the managing of the order-delivery process of a case-enterprise and the critical success factors connected to it. The main objective is to find such dimensions of performance and measures which help the case-enterprise to follow the development of its order-delivery process. Another objective is to build up a system of performance measurement which is quite simple and easy to use. It also needs to reflect the case-enterprise’s mission, vision, strategies and values. In this research, performance is studied from the SME’s point of view. According to an international research, there are a few performance dimensions which every SME should follow to keep up with progress. These performance dimensions are time, flexibility, quality, finances, customer-satisfaction and human resources (skills, innovations etc.).

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2008
    Data sources: LUTPub
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2008
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Piili, Tommi;

    Tutkimuksen tavoitteena on ollut selvittää millaisia ongelmia teollisessa alihankintayhteistyössä toimivat yritykset kohtaavat suhteen kehittyessä kohti kumppanuutta. Keskeisinä teemoina tutkimuksessa ovat olleet alihankinnan toimintamallien kartoitus, hyötyjen ja haittojen käsittely ostajan ja toimittajan näkökulmista, sekä yritystenvälisen rutiinitiedonkulun tehostamiseen liittyvät asiat. Tutkimus on koostettu teoreettisesta ja empiirisestä osasta. Teoriaosuus muodostaa aiheeseen liittyvästä kirjallisuudesta viitekehyksen, johon empiiristä osaa on peilattu. Empiirisen osuuden lähdeaineisto on hankittu haastatteluilla kahdessa case-yrityksessä, sisäisillä dokumenteilla ja havainnoinnilla. Aineistoa käsitellään laadullisen tutkimuksen keinoin. Tutkimustuloksista selvisi, että pienen ja suuren yrityksen kumppanuussuhteen luominen vaatii paljon aikaa ja ponnisteluja. Muutos kohti kumppanuutta voi tapahtua vain askel kerrallaan. Myös perustoiminnan tulee olla kunnossa, ennen kuin tiiviimpää yhteistyötä voi syntyä. Rutiinitiedonkulku tiiviissä teollisessa yhteistyössä on tehokkainta hoitaa integroiduilla sähköisillä tietojärjestelmillä. The purpose of the thesis is to examine the problems which firms in industrial subcontracting relationships encounter on their way towards partnership. The themes in this thesis consist of models in subcontracting, expanding on advantages and disadvantages of buyer-seller –relationships and affairs concerning the enhancement of interfirm communication. The thesis contains theoretical and empirical part. The theoretical part of the thesis forms a frame of reference from the literature concerning the subject. The empirical part of the thesis is approached through the theoretical part. The source material for the empirical part of the thesis was acquired from interviews in two case-firms, from internal documents and through observation. The material is examined through qualitative analysis. The results of the thesis indicate that establishment of partnership between small and large companies require a lot of time and effort. Transition towards partnership can only be achieved step by step. Basic operations must be in good condition as well, before there can be any closer co-operation. Routine information flow in industrial co-operation is most efficient to handle with integrated data systems.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2002
    Data sources: LUTPub
    0
    citations0
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2002
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sallinen, Petri;

    Thisresearch deals with the dynamic modeling of gas lubricated tilting pad journal bearings provided with spring supported pads, including experimental verification of the computation. On the basis of a mathematical model of a film bearing, a computer program has been developed, which can be used for the simulation of a special type of tilting pad gas journal bearing supported by a rotary spring under different loading conditions time dependently (transient running conditions due to geometry variations in time externally imposed). On the basis of literature, different transformations have been used in the model to achieve simpler calculation. The numerical simulation is used to solve a non-stationary case of a gasfilm. The simulation results were compared with literature results in a stationary case (steady running conditions) and they were found to be equal. In addition to this, comparisons were made with a number of stationary and non-stationary bearing tests, which were performed at Lappeenranta University of Technology using bearings designed with the simulation program. A study was also made using numerical simulation and literature to establish the influence of the different bearing parameters on the stability of the bearing. Comparison work was done with literature on tilting pad gas bearings. This bearing type is rarely used. One literature reference has studied the same bearing type as that used in LUT. A new design of tilting pad gas bearing is introduced. It is based on a stainless steel body and electron beam welding of the bearing parts. It has good operation characteristics and is easier to tune and faster to manufacture than traditional constructions. It is also suitable for large serial production.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2004
    Data sources: LUTPub
    0
    citations0
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2004
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Juusola, Pekka;

    The simple single-ion activity coefficient equation originating from the Debye-Hückel theory was used to determine the thermodynamic and stoichiometric dissociation constants of weak acids from data concerning galvanic cells. Electromotive force data from galvanic cells without liquid junctions, which was obtained from literature, was studied in conjuction with the potentiometric titration data relating to aqueous solutions at 298.15 K. The dissociation constants of weak acids could be determined by the presented techniques and almost all the experimental data studied could be interpreted within the range of experimental error. Potentiometric titration has been used here and the calculation methods were developed to obtain the thermodynamic and stoichiometric dissociation constants of some weak acids in aqueous solutions at 298.15 K. The ionic strength of titrated solutions were adjusted using an inert electrolyte, namely, sodium or potassium chloride. Salt content alonedetermines the ionic strength. The ionic strength of the solutions studied varied from 0.059 mol kg-1 to 0.37 mol kg-1, and in some cases up to 1.0 mol kg-1. The following substances were investigated using potentiometric titration: aceticacid, propionic acid, L-aspartic acid, L-glutamic acid and bis(2,2-dimethyl-3-oxopropanol) amine.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    1999
    Data sources: LUTPub
    0
    citations0
    popularityAverage
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      1999
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Hiltunen, Sami;

    Työssä tutkittiin uuden ShortFlowÔ-konseptin eri osa-alueiden toimivuutta paperikoneen lyhytkierrossa. Prosessin sekoituspumppuna perinteinen keskipakopumppu korvataan potkuri-pumpulla, joten työssä selvitettiin uudentyyppisen pumpun kavitointirajat, säädettävyys ja sen soveltuminen suunniteltuun tehtävään ja toiminta-alueeseen. Prosessiin kuuluu myös uudentyyppinen viirakaivo, josta selvitettiin sen kyky poistaa ilmaa ja virtauskäyttäytyminen kaivossa. Hienopaperikoneen osalta kartoitettiin prosessiin liittyviä riskejä ja ShortFlowÔ-lyhytkiertoprosessin kannattavuutta investointina. Työn kirjallisessa osassa on käsitelty lyhytkiertoa eri osa-alueittain. Aluksi on lyhytkierron yleisempi tarkastelu, jossa on selvitetty lajittelua, ilmanpoistoa ja pumppauksia. Erityisempää huomiota on kiinnitetty ShortFlowÔ-lyhytkiertoprosessiin liittyviin erityispiirteisiin joita ovat sakeamassalajittelu, täyteaineet paperitehtaalla, hylky ja virtausten sekoittuminen. Sekoituspumpun osalta on käsitelty myös kavitointia hieman tarkemmin. Työn kokeellisessa osassa suunniteltiin prosessin koelaitteisto, joka myös koeajettiin. Potkuripumpun koeajossa määritettiin potkuripumpun toiminta-alue ja säädettävyys. Pumpun todettiin sekoittavan ja ilman vaikutus potkuripumpun ominaisuuksiin todettiin merkityksettömäksi pumpun toiminta-alueella. Viirakaivon koeajossa selvisi, että viirakaivo poistaa ilmaa suunnittelualueella ja kaivolle löytyi muoto, jossa virtauskäyttäytyminen viirakaivossa eri laskeutumisnopeuksilla on mahdollisimman häiriötöntä. Hienopaperikoneen osalta riskien kartoituksessa selvisi, ettei täyteaine aiheuta ongelmia ja että päällystelaattaa sisältävä hylky on lajiteltava ennen lyhytkiertoa. ShortFlowÔ-lyhytkiertoprosessi oli edullisin sekä käyttö- että investointikustannuksiltaan. The aim of this work was to study the performance of the items of the new ShortFlowÔ-concept in the short circulation. The traditional centrifugal pump as a mixing pump in a PMA system is replaced by a propeller pump in the ShortFlowÔ-concept. Therefore it was necessary to know the cavitation regions, controllability and the performance of the propeller pump in a new field of function. The process also includes a new type of wire pit. It was also necessary to know the characteristic flow in the wire pit and how the new wire pit removes air. For applying the ShortFlowÔ-concept in a fine paper machine, the risks of the process and the profitability of the process as an investment should be known. The literary section concentrates on the different sections of the short circulation. In the beginning screening and cleaning, air removal and pumping are described in general. Special attention is paid on the special features of the ShortFlowÔ-concept, like thick stock screening, fillers in the paper mill system, the cleanliness of the broke and the mixing of flows. Especially cavitation of mixing pumps is treated more in detail. In the experimental part a design for the pilot system for testing the items of the ShortFlowÔ-concept was found. The results showed the functional area of the propeller pump and that the pump is adjustable. The results of the propeller pump also showed that the pump mixes and that the content of air has no significal effect on the performance of the pump in a designed functional area. The new wire pit removes air in the design range of the flow velocities. A wire pit design suitable for flowing performance was found. Results showed that the fillers will not disturb the process and that the broke, which includes filler flakes has to be purified before short circulation. Both the investment and the operating costs of the ShortFlowÔ-concept are lowest.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2000
    Data sources: LUTPub
    0
    citations0
    popularityAverage
    influenceAverage
    impulseAverage
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2000
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sarnikorpi, Jorma;

    Työn tavoitteena on selvittää voidaanko neuroverkkoa käyttää mallintamaan ja ennustamaan polttoaineen vaikutusta nykyaikaisen auton päästöihin. Näin pystyttäisiin vähentämään aikaa vievien ja kalliiden koeajojen tarvetta. Työ tehtiin Lappeenrannan teknillisen yliopiston ja Fortum Oy:n yhteistyöprojektissa. Työssä tehtiin kolme erilaista mallia. Ensimmäisenä tehtiin autokohtainen malli, jolla pyrittiin ennustamaan autokohtaista käyttäytymistä. Toiseksi kokeiltiin mallia, jossa automalli oli yhtenä syötteenä. Kolmantena yritettiin kiertää eräitä aineiston ongelmia käyttämällä "sumeutettuja" polttoaineiden koostumuksia. Työssä käytettiin MLP-neuroverkkoa, joka opetettiin backpropagation algoritmilla. Työssä havaittiin ettei käytettävissä olleella aineistolla ja käytetyillä malleilla pystytä riittävällä tarkkuudella mallintamaan polttoaineen vaikutusta päästöihin. Aineiston ongelmia olivat mm. suuret mittausvarianssit, aineiston pieni määrä sekä aineiston soveltumattomuus neuroverkolla mallintamiseen. This report considers the possibility of whetever it is possible to predict formation of emissions of an internal combustion engine with neural network. If this is possible, a predicting model could be used instead of expensive and time consuming test-drives The work in this research project was organized by Lappeenranta University of Technology and Fortum Ltd. Fortum Ltd. delivered the used data. There were three models used for predicting emissions. The first one was a car specific model. The second model included all cars as inputs. The data that was used had some problems that were attempted to be resolved through using the "fuzzied" model. All of the models were made with the Multi Layer Perceptron (MLP) neural network, and were trained with the backpropagation-algonthm. It was found that it is not possible to create a fair model fairly with used models and data on hand. The biggest problems were (a) the large variances in the data, (b) the lack of data, and (c) that the data used was originally collected for previous studies conducted over a period of several years, rendering it unsuitable for my research.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2003
    Data sources: LUTPub
    0
    citations0
    popularityAverage
    influenceAverage
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2003
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Huhta, Esko Tapani;

    Työn tavoitteena oli kartoittaa kohdeyrityksen pääkaupunkiseudun puu- ja rakennustarvikekaupan jakelun nykytila ja kehittää toimipisteille uusi ja yhtenäinen jakelun toimintamalli. Ensin selvitettiin jakelun nykytila haastattelemalla kuljetuksista vastaavia henkilöitä. Kirjallisuudesta saadun tiedon avulla haettiin vaihtoehtoja uuden jakelumallin luomiselle. Yrityksen tietojärjestelmästä haettiin tietoa toteutuneista kuljetuskustannuksista ja -tapahtumista. Tutkimuksessa selvitettiin myös kuljetuskustannukset ja -tuotot. Tällä hetkellä yritys tekee jakelussa tappiota eli kuljetuskustannukset ovat asiakkailta perittyjä kuljetustuottoja suuremmat. Jokaisessa toimipisteessä kuljetukset hoidetaan itsenäisesti eikä yhteistä järjestelmää ole käytössä. Tästä aiheutuu päällekkäisiä ja turhia ajoja pääkaupunkiseudun alueella, mikä voitaisiin välttää yhteisellä toimintamallilla. Työssä luotiin erilaisia malleja ja niitä verrattiin nykytilanteeseen. Mallien paremmuuden arviointiin käytettiin kannattavuutta ja ulkoista tehokkuutta. Toimintavaihtoehdoiksi nousi kolme eri mallia. Vaihtoehtoina olivat toimipisteiden yhtenäinen malli, jossa ohjaus olisi joko omassa hallinnassa tai ulkoistettu, ja kolmantena vaihtoehtona olisi koko jakelun ulkoistaminen. Malleja varten kartoitettiin eri ohjelmistoja ja ulkoistuspalveluja tarjoavia yrityksiä, jotka olisivat yrityksen tarpeisiin soveltuvia. Toimenpide-ehdotuksina ja suosituksina esitetään yhteiseen jakelujärjestelmään siirtymistä sekä siirtymistä jakelun hinnoittelussa suoriteperusteiseen hinnoitteluun. Tulevaisuudessa jakelun tietoja tulisi kerätä ja tiedon karttuessa laatia suoriteperusteiset hinnoittelutaulukot kuljetuksille. Myös myyjille ja kuljetusvastaaville tarvitaan yhtenäiset toimintaohjeet tilausten muutoksista, kuljetusten hinnoittelusta ja toimituksista. Goal of the thesis was to map the company`s current state of timber and building trade in the capital region, and to estimate grounds for creating a new common distribution system for all company`s business units in the capital region. Firstly, present distribution situation was investigated by interviewing persons responsible of transportation. Alternatives for creating a new distribution model were viewed in the literature. Information was also searched in the company`s information system to ensure accuracy of the information obtained in interviews, as well as data on transportation events and costs. Work also included clarification on transportation costs and profits. At the moment the company is making loss due to higher transportation costs compared to transportation profits gained from the customers. Each business unit takes care of its own transportation independently and the company does not have a common transportation system in use. As a result there are overlapping and unnecessary transportation in the capital region which could be avoided by a common action model. Different models were created in this work and they were compared to the current state. Profitability and external efficiency were used as criteria to assess models. Three options were raised for action models. Alternatives were a common model for all business units; where guidance would be either under own control or it would be outsourced, and as a third option would be outsourcing of distribution. Different software suppliers and companies specialized in outsourcing suitable for the company`s purposes were mapped. As a conclusion it is suggested to transfer into a common distribution system and outsourcing, as well as to use performance based pricing in distribution. In the future data on distribution should be collected and after obtaining sufficiently information a pricing table for transportation based on performance should be developed. Furthermore, sales personnel and persons responsible of transportation need common working instruction on changing of orders, pricing of transportation and agreeing on delivery times.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    2003
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2003
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Turunen, Kimmo;

    Tutkielman päätavoitteena oli muodostaa kokonaisuus osakeyhtiön tilintarkastajan vastuusta lakisääteisessä tilintarkastuksessa. Tähän pyrittiin ensinnäkin tilintarkastajan tärkeimpiä velvollisuuksia selvittämällä. Vastuu jaettiin kolmeen osa-alueeseen: vahingonkorvausvastuuseen, rikosoikeudelliseen vastuuseen ja kurinpidolliseen vastuuseen. Tutkimus on kvalitatiivinen ja tutkimusote käsiteanalyyttinen. Tutkielman empiirinen osa koostuu auktorisoiduille tilintarkastajille tehdyistä teemahaastatteluista, joilla pyrittiin lähinnä täydentämään teoriaosan tietoja. Empiiristä osaa ei työssä ole erotettu omaksi luvukseen, vaan haastattelujen tuloksia esitetään teoriaosan yhteydessä. Haastattelujen tulokset eivät ole tilastollisesti yleistettävissä. Haastattelujen, Korkeimman oikeuden ennakkopäätösten, sekä tilintarkastajien valvonta-asioiden ratkaisujen perusteella tutkittiin vastuun sisältöä käytännössä. Vastuumuodoista vahingonkorvausvastuu todettiin osakeyhtiön tilintarkastajan kannalta merkittävimmäksi. Riskit vahingonkorvausvastuun realisoitumisesta näyttävät lisääntyneen myös Suomessa. Riskejä lisää erityisesti lakisääteisiin erityistehtäviin kuuluvien lausuntojen antaminen. Vahingonkorvausvastuun ylärajasta säätäminen laissa olisi tehokas tapa hallita näitä riskejä. Tarkastustyön dokumentointi ja tilintarkastusevidenssin kerääminen ovat tilintarkastajalle yhä tärkeämpiä tulevaisuudessa.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    2004
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      2004
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Pelkonen, Sami;

    Diplomityössä käsitellään ne toimet, jotka Esa Lehtipaino Oy:ssä tarvitsee tehdä kunnossapidon kehittämiseksi sanomalehtipainoprosessin kunnossapidossa. Työssä käytettiin luotettavuuskeskeisen ja kokonaisvaltaisen tuottavuuskeskeisen kunnossapidon strategioiden osia sekä PSK Standardisoinnin PSK 5705:2006standardin mukaista menetelmää määrittämään kunnossapidon kannalta tärkeimmät kohteet ja osa-alueet. PSK 5705:2006 on kunnonvalvonnan värähtelymittausten mittaustoiminnan suunnitteluun luotu standardi, jonka perusteella rakennettiin sanomalehtipainoprosessiin sopiva tuotantolaitteiston luokitusjärjestelmä. Luokituksenperusteella kohdennetaan kunnossapidon resurssit tuotantojärjestelmän luotettavuuden kannalta oikeisiin, tuottavimpiin kohteisiin. Tuotantohenkilöstön kunnossapitohenkilökunnalle tekemien vikailmoitusten välitykseen rakennettiin Microsoft Access -pohjainen Vikaloki-lomake. Kunnossapitotoiminnan kehityksen tuloksien seuraamiseksi määritettiin PSK 6201:2003 standardin mukainen tuotannon kokonaistehokkuutta kuvaava KNL-luku. KNL-luvusta luotiin ennuste kunnossapidon kehittämistarpeista regressioanalyysin avulla. Kehitysmalli esittää, että kohdeyrityksessä tulee toiminnan kehittäminen aloittaa päivittämällä tietokonepohjainen toiminnanohjausjärjestelmä, johon lisätään ennakoivat suunnitellut kunnossapitotoimet. Toimet määriteltiin yllämainitun kriittisyysluokituksen perusteella. The aim for the thesis is to identify the actions that need to be done in the field of maintenance development in the newspaper printing processes at Esa Lehtipaino Oy. Methods used in this thesis are based on reliability-centered maintenance, total productive maintenance and PSK Standards Association's standard PSK 5705:2006 and are used for defining the main objects and sectors that are most important in the development of maintenance. PSK 5705:2006 is a vibration measurement standard used for the planning of condition monitoring. The standard was used for grading the production system. This grading is used to help the maintenance team target resources in a way which will improve the reliability of the production system as cost effectively as possible. This grading is used to help maintenance allocate maintenance resources to targets where it improves the reliability of the production system most efficiently. For service advising between production and maintenance, a Microsoft Access based form called Vikaloki was created. For measuring developments, an OEE-index which measures overall equipment efficiency of the production system was created. The OEE-Index is based on PSK standard 6201:2003. Regression analysis based on the OEE-index was used to identify the needs in the development of the maintenance. The implementation of the development plan should begin with updating the computerized maintenance management system. After this planned maintenance tasks based on the grading mentioned above are added to the new updated CMMS.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    2007
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      2007
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sierman-Henttonen, Raija;

    Tämän pro gradu -tutkielman tavoitteena oli tutkia mikä on kehityskeskustelujen merkitys työntekijän osaamisen kehittämisessä ja miten henkilöstö itse kokee kehityskeskustelujen merkityksen. Teoriaosuudessa tarkastellaan osaamista organisaation ja yksilön osaamisen kannalta, osaamisen johtamisen ja osaamisen kehittämisen näkökulmasta sekä kuvataan kehityskeskusteluja ja niiden merkitystä. Empiirinen osa on tehty kvalitatiivisena tapaustutkimuksena. Tutkimuksen tulokset osoittavat, että tutkimuksen kohdeorganisaation työntekijöillä on myönteinen suhtautuminen kehityskeskusteluihin. Kehityskeskusteluilla ei kuitenkaan ole merkitystä työntekijöiden osaamisen kehittämisessä. Kehityskeskustelujen merkitys on vähäinen, koska niissä ei paneuduta osaamisen kehittämiseen. Keskustelujen tulosten seuranta puuttuu ja näin ollen ne jäävät vain yksittäisiksi keskusteluiksi ilman kehittämiseen kohdistuvaa jatkuvuutta. The purpose of this master’s thesis was to study the role of performance appraisals concerning the development of employee competence. Furthermore, this research focused on the impact of performance appraisals on employees and on the meaning of performance appraisals. The theoretical part of the research explores the organizational and individual competence, competence management and competence development. The theory of performance appraisals is also introduced. The empirical study was conducted as a qualitative case. The results show that employees regard performance appraisals positively. However, performance appraisals do not have a role in developing employee’s competence. The impact of performance appraisals is insignificant, because they do not focus on competence development. Appraisal results are not monitored and therefore they remain merely as individual appraisals without continuity concerning development.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    2012
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      2012
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Oksanen, Laila;

    Tämä tutkimus perustuu prosessijohtamiseen ja tilaus-toimitusprosessin suorituskyvyn mittaamiseen. Tutkimusongelmaa lähestytään toiminta-analyyttisen ja konstruktiivisen tutkimusotteen avulla. Toiminta-analyyttinen tutkimusote vaatii tutkimusongelmaan liittyvään teoriaan perehtymistä ja suosituksia toimenpiteistä. Tämän vuoksi tutkimuksessa on syvennytty aikaisempiin suorituskykyä sekä prosessijohtamista koskeviin teorioihin ja tutkimusraportteihin, jotta löydettäisiin case-yrityksen näkökulmasta vastauksia esitettyihin tutkimuskysymyksiin. Tutkimuksen tarkoituksena on analysoida case-yrityksen tilaus-toimitusprosessin johtamista ja prosessin suorituskykyyn vaikuttavia tekijöitä. Tavoitteena on löytää sellaisia suorituskyvyn osa-alueita, joiden mittaaminen tuottaa helpoiten ja nopeasti tietoa päätöksenteon tueksi sekä tilaus-toimituksen johtamista varten. Toisena tavoitteena on selvittää, millaisilla mittareilla yrityksen suorituskykyä voidaan mitata. Tutkimuksessa hyödynnetään toiminta-analyyttistä ja konstruktiivista tutkimusotetta sekä otteisiin liittyviä eri tutkimusmenetelmiä. Tutkimuksen lähestymistapa perustuu pk-yrityksen lähtökohtiin. Koska työssä tarkastellaan suorituskykyä sisäisen suorituskyvyn näkökulmasta, työssä esitellään sisäisen suorituskyvyn eri osa-alueita. Kansainvälisen tutkimuksen mukaan pk-yritykselle tärkeitä sisäisen suorituskyvyn osa-alueita ovat aika, joustavuus, laatu, talous, asiakastyytyväisyys sekä henkilöstön osaaminen ja innovatiivisuus. Tässä tutkimuksessa edellä mainitut suorituskyvyn osa-alueet todennettiin tärkeiksi, kun analysoitiin case-yrityksen tilaus-toimituksen kriittisiä menestystekijöitä. Tutkimustyön tuloksena rakennettiin yksinkertainen ja helppokäyttöinen mittaristo sekä analysointimenetelmä, jonka avulla on mahdollista seurata tilaus-toimitusprosessin suorituskykyä. Mittaristo rakennettiin SAKE-suorituskyvyn analysointijärjestelmän pohjalle. This research is based on process management and the measuring of performance of an order-delivery process. Research questions, which are based on the research problem, are solved by using an action based analysis method and a constructive method. These two methods form the frames of reference also in this thesis. The use of action based analysis method requires a thorough examination of the theories and the previous research reports of performance and process management. In addition to solving the research problem, actions of improvement need to be recommended. The goal of this research is to analyse the managing of the order-delivery process of a case-enterprise and the critical success factors connected to it. The main objective is to find such dimensions of performance and measures which help the case-enterprise to follow the development of its order-delivery process. Another objective is to build up a system of performance measurement which is quite simple and easy to use. It also needs to reflect the case-enterprise’s mission, vision, strategies and values. In this research, performance is studied from the SME’s point of view. According to an international research, there are a few performance dimensions which every SME should follow to keep up with progress. These performance dimensions are time, flexibility, quality, finances, customer-satisfaction and human resources (skills, innovations etc.).

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    2008
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      2008
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Piili, Tommi;

    Tutkimuksen tavoitteena on ollut selvittää millaisia ongelmia teollisessa alihankintayhteistyössä toimivat yritykset kohtaavat suhteen kehittyessä kohti kumppanuutta. Keskeisinä teemoina tutkimuksessa ovat olleet alihankinnan toimintamallien kartoitus, hyötyjen ja haittojen käsittely ostajan ja toimittajan näkökulmista, sekä yritystenvälisen rutiinitiedonkulun tehostamiseen liittyvät asiat. Tutkimus on koostettu teoreettisesta ja empiirisestä osasta. Teoriaosuus muodostaa aiheeseen liittyvästä kirjallisuudesta viitekehyksen, johon empiiristä osaa on peilattu. Empiirisen osuuden lähdeaineisto on hankittu haastatteluilla kahdessa case-yrityksessä, sisäisillä dokumenteilla ja havainnoinnilla. Aineistoa käsitellään laadullisen tutkimuksen keinoin. Tutkimustuloksista selvisi, että pienen ja suuren yrityksen kumppanuussuhteen luominen vaatii paljon aikaa ja ponnisteluja. Muutos kohti kumppanuutta voi tapahtua vain askel kerrallaan. Myös perustoiminnan tulee olla kunnossa, ennen kuin tiiviimpää yhteistyötä voi syntyä. Rutiinitiedonkulku tiiviissä teollisessa yhteistyössä on tehokkainta hoitaa integroiduilla sähköisillä tietojärjestelmillä. The purpose of the thesis is to examine the problems which firms in industrial subcontracting relationships encounter on their way towards partnership. The themes in this thesis consist of models in subcontracting, expanding on advantages and disadvantages of buyer-seller –relationships and affairs concerning the enhancement of interfirm communication. The thesis contains theoretical and empirical part. The theoretical part of the thesis forms a frame of reference from the literature concerning the subject. The empirical part of the thesis is approached through the theoretical part. The source material for the empirical part of the thesis was acquired from interviews in two case-firms, from internal documents and through observation. The material is examined through qualitative analysis. The results of the thesis indicate that establishment of partnership between small and large companies require a lot of time and effort. Transition towards partnership can only be achieved step by step. Basic operations must be in good condition as well, before there can be any closer co-operation. Routine information flow in industrial co-operation is most efficient to handle with integrated data systems.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2002
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2002
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sallinen, Petri;

    Thisresearch deals with the dynamic modeling of gas lubricated tilting pad journal bearings provided with spring supported pads, including experimental verification of the computation. On the basis of a mathematical model of a film bearing, a computer program has been developed, which can be used for the simulation of a special type of tilting pad gas journal bearing supported by a rotary spring under different loading conditions time dependently (transient running conditions due to geometry variations in time externally imposed). On the basis of literature, different transformations have been used in the model to achieve simpler calculation. The numerical simulation is used to solve a non-stationary case of a gasfilm. The simulation results were compared with literature results in a stationary case (steady running conditions) and they were found to be equal. In addition to this, comparisons were made with a number of stationary and non-stationary bearing tests, which were performed at Lappeenranta University of Technology using bearings designed with the simulation program. A study was also made using numerical simulation and literature to establish the influence of the different bearing parameters on the stability of the bearing. Comparison work was done with literature on tilting pad gas bearings. This bearing type is rarely used. One literature reference has studied the same bearing type as that used in LUT. A new design of tilting pad gas bearing is introduced. It is based on a stainless steel body and electron beam welding of the bearing parts. It has good operation characteristics and is easier to tune and faster to manufacture than traditional constructions. It is also suitable for large serial production.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2004
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2004
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Juusola, Pekka;

    The simple single-ion activity coefficient equation originating from the Debye-Hückel theory was used to determine the thermodynamic and stoichiometric dissociation constants of weak acids from data concerning galvanic cells. Electromotive force data from galvanic cells without liquid junctions, which was obtained from literature, was studied in conjuction with the potentiometric titration data relating to aqueous solutions at 298.15 K. The dissociation constants of weak acids could be determined by the presented techniques and almost all the experimental data studied could be interpreted within the range of experimental error. Potentiometric titration has been used here and the calculation methods were developed to obtain the thermodynamic and stoichiometric dissociation constants of some weak acids in aqueous solutions at 298.15 K. The ionic strength of titrated solutions were adjusted using an inert electrolyte, namely, sodium or potassium chloride. Salt content alonedetermines the ionic strength. The ionic strength of the solutions studied varied from 0.059 mol kg-1 to 0.37 mol kg-1, and in some cases up to 1.0 mol kg-1. The following substances were investigated using potentiometric titration: aceticacid, propionic acid, L-aspartic acid, L-glutamic acid and bis(2,2-dimethyl-3-oxopropanol) amine.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    1999
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      1999
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Hiltunen, Sami;

    Työssä tutkittiin uuden ShortFlowÔ-konseptin eri osa-alueiden toimivuutta paperikoneen lyhytkierrossa. Prosessin sekoituspumppuna perinteinen keskipakopumppu korvataan potkuri-pumpulla, joten työssä selvitettiin uudentyyppisen pumpun kavitointirajat, säädettävyys ja sen soveltuminen suunniteltuun tehtävään ja toiminta-alueeseen. Prosessiin kuuluu myös uudentyyppinen viirakaivo, josta selvitettiin sen kyky poistaa ilmaa ja virtauskäyttäytyminen kaivossa. Hienopaperikoneen osalta kartoitettiin prosessiin liittyviä riskejä ja ShortFlowÔ-lyhytkiertoprosessin kannattavuutta investointina. Työn kirjallisessa osassa on käsitelty lyhytkiertoa eri osa-alueittain. Aluksi on lyhytkierron yleisempi tarkastelu, jossa on selvitetty lajittelua, ilmanpoistoa ja pumppauksia. Erityisempää huomiota on kiinnitetty ShortFlowÔ-lyhytkiertoprosessiin liittyviin erityispiirteisiin joita ovat sakeamassalajittelu, täyteaineet paperitehtaalla, hylky ja virtausten sekoittuminen. Sekoituspumpun osalta on käsitelty myös kavitointia hieman tarkemmin. Työn kokeellisessa osassa suunniteltiin prosessin koelaitteisto, joka myös koeajettiin. Potkuripumpun koeajossa määritettiin potkuripumpun toiminta-alue ja säädettävyys. Pumpun todettiin sekoittavan ja ilman vaikutus potkuripumpun ominaisuuksiin todettiin merkityksettömäksi pumpun toiminta-alueella. Viirakaivon koeajossa selvisi, että viirakaivo poistaa ilmaa suunnittelualueella ja kaivolle löytyi muoto, jossa virtauskäyttäytyminen viirakaivossa eri laskeutumisnopeuksilla on mahdollisimman häiriötöntä. Hienopaperikoneen osalta riskien kartoituksessa selvisi, ettei täyteaine aiheuta ongelmia ja että päällystelaattaa sisältävä hylky on lajiteltava ennen lyhytkiertoa. ShortFlowÔ-lyhytkiertoprosessi oli edullisin sekä käyttö- että investointikustannuksiltaan. The aim of this work was to study the performance of the items of the new ShortFlowÔ-concept in the short circulation. The traditional centrifugal pump as a mixing pump in a PMA system is replaced by a propeller pump in the ShortFlowÔ-concept. Therefore it was necessary to know the cavitation regions, controllability and the performance of the propeller pump in a new field of function. The process also includes a new type of wire pit. It was also necessary to know the characteristic flow in the wire pit and how the new wire pit removes air. For applying the ShortFlowÔ-concept in a fine paper machine, the risks of the process and the profitability of the process as an investment should be known. The literary section concentrates on the different sections of the short circulation. In the beginning screening and cleaning, air removal and pumping are described in general. Special attention is paid on the special features of the ShortFlowÔ-concept, like thick stock screening, fillers in the paper mill system, the cleanliness of the broke and the mixing of flows. Especially cavitation of mixing pumps is treated more in detail. In the experimental part a design for the pilot system for testing the items of the ShortFlowÔ-concept was found. The results showed the functional area of the propeller pump and that the pump is adjustable. The results of the propeller pump also showed that the pump mixes and that the content of air has no significal effect on the performance of the pump in a designed functional area. The new wire pit removes air in the design range of the flow velocities. A wire pit design suitable for flowing performance was found. Results showed that the fillers will not disturb the process and that the broke, which includes filler flakes has to be purified before short circulation. Both the investment and the operating costs of the ShortFlowÔ-concept are lowest.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2000
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2000
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sarnikorpi, Jorma;

    Työn tavoitteena on selvittää voidaanko neuroverkkoa käyttää mallintamaan ja ennustamaan polttoaineen vaikutusta nykyaikaisen auton päästöihin. Näin pystyttäisiin vähentämään aikaa vievien ja kalliiden koeajojen tarvetta. Työ tehtiin Lappeenrannan teknillisen yliopiston ja Fortum Oy:n yhteistyöprojektissa. Työssä tehtiin kolme erilaista mallia. Ensimmäisenä tehtiin autokohtainen malli, jolla pyrittiin ennustamaan autokohtaista käyttäytymistä. Toiseksi kokeiltiin mallia, jossa automalli oli yhtenä syötteenä. Kolmantena yritettiin kiertää eräitä aineiston ongelmia käyttämällä "sumeutettuja" polttoaineiden koostumuksia. Työssä käytettiin MLP-neuroverkkoa, joka opetettiin backpropagation algoritmilla. Työssä havaittiin ettei käytettävissä olleella aineistolla ja käytetyillä malleilla pystytä riittävällä tarkkuudella mallintamaan polttoaineen vaikutusta päästöihin. Aineiston ongelmia olivat mm. suuret mittausvarianssit, aineiston pieni määrä sekä aineiston soveltumattomuus neuroverkolla mallintamiseen. This report considers the possibility of whetever it is possible to predict formation of emissions of an internal combustion engine with neural network. If this is possible, a predicting model could be used instead of expensive and time consuming test-drives The work in this research project was organized by Lappeenranta University of Technology and Fortum Ltd. Fortum Ltd. delivered the used data. There were three models used for predicting emissions. The first one was a car specific model. The second model included all cars as inputs. The data that was used had some problems that were attempted to be resolved through using the "fuzzied" model. All of the models were made with the Multi Layer Perceptron (MLP) neural network, and were trained with the backpropagation-algonthm. It was found that it is not possible to create a fair model fairly with used models and data on hand. The biggest problems were (a) the large variances in the data, (b) the lack of data, and (c) that the data used was originally collected for previous studies conducted over a period of several years, rendering it unsuitable for my research.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2003
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2003
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Huhta, Esko Tapani;

    Työn tavoitteena oli kartoittaa kohdeyrityksen pääkaupunkiseudun puu- ja rakennustarvikekaupan jakelun nykytila ja kehittää toimipisteille uusi ja yhtenäinen jakelun toimintamalli. Ensin selvitettiin jakelun nykytila haastattelemalla kuljetuksista vastaavia henkilöitä. Kirjallisuudesta saadun tiedon avulla haettiin vaihtoehtoja uuden jakelumallin luomiselle. Yrityksen tietojärjestelmästä haettiin tietoa toteutuneista kuljetuskustannuksista ja -tapahtumista. Tutkimuksessa selvitettiin myös kuljetuskustannukset ja -tuotot. Tällä hetkellä yritys tekee jakelussa tappiota eli kuljetuskustannukset ovat asiakkailta perittyjä kuljetustuottoja suuremmat. Jokaisessa toimipisteessä kuljetukset hoidetaan itsenäisesti eikä yhteistä järjestelmää ole käytössä. Tästä aiheutuu päällekkäisiä ja turhia ajoja pääkaupunkiseudun alueella, mikä voitaisiin välttää yhteisellä toimintamallilla. Työssä luotiin erilaisia malleja ja niitä verrattiin nykytilanteeseen. Mallien paremmuuden arviointiin käytettiin kannattavuutta ja ulkoista tehokkuutta. Toimintavaihtoehdoiksi nousi kolme eri mallia. Vaihtoehtoina olivat toimipisteiden yhtenäinen malli, jossa ohjaus olisi joko omassa hallinnassa tai ulkoistettu, ja kolmantena vaihtoehtona olisi koko jakelun ulkoistaminen. Malleja varten kartoitettiin eri ohjelmistoja ja ulkoistuspalveluja tarjoavia yrityksiä, jotka olisivat yrityksen tarpeisiin soveltuvia. Toimenpide-ehdotuksina ja suosituksina esitetään yhteiseen jakelujärjestelmään siirtymistä sekä siirtymistä jakelun hinnoittelussa suoriteperusteiseen hinnoitteluun. Tulevaisuudessa jakelun tietoja tulisi kerätä ja tiedon karttuessa laatia suoriteperusteiset hinnoittelutaulukot kuljetuksille. Myös myyjille ja kuljetusvastaaville tarvitaan yhtenäiset toimintaohjeet tilausten muutoksista, kuljetusten hinnoittelusta ja toimituksista. Goal of the thesis was to map the company`s current state of timber and building trade in the capital region, and to estimate grounds for creating a new common distribution system for all company`s business units in the capital region. Firstly, present distribution situation was investigated by interviewing persons responsible of transportation. Alternatives for creating a new distribution model were viewed in the literature. Information was also searched in the company`s information system to ensure accuracy of the information obtained in interviews, as well as data on transportation events and costs. Work also included clarification on transportation costs and profits. At the moment the company is making loss due to higher transportation costs compared to transportation profits gained from the customers. Each business unit takes care of its own transportation independently and the company does not have a common transportation system in use. As a result there are overlapping and unnecessary transportation in the capital region which could be avoided by a common action model. Different models were created in this work and they were compared to the current state. Profitability and external efficiency were used as criteria to assess models. Three options were raised for action models. Alternatives were a common model for all business units; where guidance would be either under own control or it would be outsourced, and as a third option would be outsourcing of distribution. Different software suppliers and companies specialized in outsourcing suitable for the company`s purposes were mapped. As a conclusion it is suggested to transfer into a common distribution system and outsourcing, as well as to use performance based pricing in distribution. In the future data on distribution should be collected and after obtaining sufficiently information a pricing table for transportation based on performance should be developed. Furthermore, sales personnel and persons responsible of transportation need common working instruction on changing of orders, pricing of transportation and agreeing on delivery times.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2003
    Data sources: LUTPub
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2003
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Turunen, Kimmo;

    Tutkielman päätavoitteena oli muodostaa kokonaisuus osakeyhtiön tilintarkastajan vastuusta lakisääteisessä tilintarkastuksessa. Tähän pyrittiin ensinnäkin tilintarkastajan tärkeimpiä velvollisuuksia selvittämällä. Vastuu jaettiin kolmeen osa-alueeseen: vahingonkorvausvastuuseen, rikosoikeudelliseen vastuuseen ja kurinpidolliseen vastuuseen. Tutkimus on kvalitatiivinen ja tutkimusote käsiteanalyyttinen. Tutkielman empiirinen osa koostuu auktorisoiduille tilintarkastajille tehdyistä teemahaastatteluista, joilla pyrittiin lähinnä täydentämään teoriaosan tietoja. Empiiristä osaa ei työssä ole erotettu omaksi luvukseen, vaan haastattelujen tuloksia esitetään teoriaosan yhteydessä. Haastattelujen tulokset eivät ole tilastollisesti yleistettävissä. Haastattelujen, Korkeimman oikeuden ennakkopäätösten, sekä tilintarkastajien valvonta-asioiden ratkaisujen perusteella tutkittiin vastuun sisältöä käytännössä. Vastuumuodoista vahingonkorvausvastuu todettiin osakeyhtiön tilintarkastajan kannalta merkittävimmäksi. Riskit vahingonkorvausvastuun realisoitumisesta näyttävät lisääntyneen myös Suomessa. Riskejä lisää erityisesti lakisääteisiin erityistehtäviin kuuluvien lausuntojen antaminen. Vahingonkorvausvastuun ylärajasta säätäminen laissa olisi tehokas tapa hallita näitä riskejä. Tarkastustyön dokumentointi ja tilintarkastusevidenssin kerääminen ovat tilintarkastajalle yhä tärkeämpiä tulevaisuudessa.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    LUTPub
    2004
    Data sources: LUTPub
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      LUTPub
      2004
      Data sources: LUTPub
  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Pelkonen, Sami;

    Diplomityössä käsitellään ne toimet, jotka Esa Lehtipaino Oy:ssä tarvitsee tehdä kunnossapidon kehittämiseksi sanomalehtipainoprosessin kunnossapidossa. Työssä käytettiin luotettavuuskeskeisen ja kokonaisvaltaisen tuottavuuskeskeisen kunnossapidon strategioiden osia sekä PSK Standardisoinnin PSK 5705:2006standardin mukaista menetelmää määrittämään kunnossapidon kannalta tärkeimmät kohteet ja osa-alueet. PSK 5705:2006 on kunnonvalvonnan värähtelymittausten mittaustoiminnan suunnitteluun luotu standardi, jonka perusteella rakennettiin sanomalehtipainoprosessiin sopiva tuotantolaitteiston luokitusjärjestelmä. Luokituksenperusteella kohdennetaan kunnossapidon resurssit tuotantojärjestelmän luotettavuuden kannalta oikeisiin, tuottavimpiin kohteisiin. Tuotantohenkilöstön kunnossapitohenkilökunnalle tekemien vikailmoitusten välitykseen rakennettiin Microsoft Access -pohjainen Vikaloki-lomake. Kunnossapitotoiminnan kehityksen tuloksien seuraamiseksi määritettiin PSK 6201:2003 standardin mukainen tuotannon kokonaistehokkuutta kuvaava KNL-luku. KNL-luvusta luotiin ennuste kunnossapidon kehittämistarpeista regressioanalyysin avulla. Kehitysmalli esittää, että kohdeyrityksessä tulee toiminnan kehittäminen aloittaa päivittämällä tietokonepohjainen toiminnanohjausjärjestelmä, johon lisätään ennakoivat suunnitellut kunnossapitotoimet. Toimet määriteltiin yllämainitun kriittisyysluokituksen perusteella. The aim for the thesis is to identify the actions that need to be done in the field of maintenance development in the newspaper printing processes at Esa Lehtipaino Oy. Methods used in this thesis are based on reliability-centered maintenance, total productive maintenance and PSK Standards Association's standard PSK 5705:2006 and are used for defining the main objects and sectors that are most important in the development of maintenance. PSK 5705:2006 is a vibration measurement standard used for the planning of condition monitoring. The standard was used for grading the production system. This grading is used to help the maintenance team target resources in a way which will improve the reliability of the production system as cost effectively as possible. This grading is used to help maintenance allocate maintenance resources to targets where it improves the reliability of the production system most efficiently. For service advising between production and maintenance, a Microsoft Access based form called Vikaloki was created. For measuring developments, an OEE-index which measures overall equipment efficiency of the production system was created. The OEE-Index is based on PSK standard 6201:2003. Regression analysis based on the OEE-index was used to identify the needs in the development of the maintenance. The implementation of the development plan should begin with updating the computerized maintenance management system. After this planned maintenance tasks based on the grading mentioned above are added to the new updated CMMS.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    2007
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao LUTPubarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao