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Идентификация электроприводов портовых перегрузочных машин

Идентификация электроприводов портовых перегрузочных машин

Abstract

The analysis of methods of identification of dynamic systems in relation to electric drives of port reloading cars is provided. It is shown that electric drives of these cars are difficult electromechanical systems which mechanical part contains elements with elastic communications and is multimass. The features of these systems demanding at the solution of problems of modeling and identification of the accounting of gaps in tooth gearings are analysed; the uprugost arising in shaft; change of the moments of inertia in gear wreaths; change of rigidity of elastic elements in couplings. Use of the principle of decomposition and allocation of basic elements of the electric drives which are subject to identification is offered. On the basis of the theory of management methods of identification of elements of electric drives of port reloading cars are offered. It is shown that for this purpose use of the frequency methods and methods working in a time domain is possible. It is established that methods of active identification on the basis of the theory of planning of experiment and the statistical methods based on decomposition of pulse transitional functions in a row on system of the orthonormalized transformed Laguerre’s functions are perspective.

В статье приводится анализ методов идентификации динамических систем применительно к электроприводам портовых перегрузочных машин. Показано, что электроприводы этих машин являются сложными электромеханическими системами, механическая часть которых содержит элементы с упругими связями и является многомассовой. Проанализированы особенности этих систем, требующие при решении задач моделирования и идентификации учета зазоров в зубчатых передачах; упругостей, возникающих в валах; изменение моментов инерции в зубчатых венцах; изменение жесткости упругих элементов в муфтах. Предложено использование принципа декомпозиции и выделение основных элементов электроприводов, подлежащих идентификации. На основе теории управления предложены методы идентификации элементов электроприводов портовых перегрузочных машин. Показано, что для этой цели возможно использование частотных методов и методов, работающих во временной области. Установлено, что перспективными являются методы активной идентификации на основе теории планирования эксперимента и статистические методы, основанные на разложении импульсных переходных функций в ряд по системе ортонормированных преобразованных функций Лагерра.

Keywords

идентификация, электропривод, портовые перегрузочные машины, метод

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average