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Control de un motor brushless

Authors: Botet Ortega, Jaime Aberlardo;

Control de un motor brushless

Abstract

En este proyecto de fin de carrera se estudia el control de un Motor eléctrico sin escobillas de corriente continua o motor BLDC. El control de este tipo de motores involucra el diseño e implementación de un circuito driver inversor de potencia, la simulación del modelo electro-mecánico de un motor eléctrico para el cálculo de corrientes que circularán por el circuito, la programación en una FPGA de un programa en lenguaje VHDL, que introduce una modulación de ancho de pulso (PWM) en el circuito driver para administrar la cantidad de tensión media que se transmite al motor; y el acondicionamiento de las señales generadas por las sondas de efecto Hall integradas en el motor que nos permitirán calcular en cada momento la posición y (derivando respecto del tiempo) velocidad. Con estos cuatro elementos se será capaz de implementar un perfil de velocidades que el motor seguirá y que cumplirá con unos requisitos espacio temporales que consistirán en realizar una trayectoria circular de 90º en un periodo de 2 segundos. Para el final de este proyecto se estabilizó la señal de activación de los transistores puesto que la activación del high side del circuito driver inversor no podía hacerse sin un circuito auxiliar Bootstrap que asegura la diferencia de tensión positiva entre los terminales base y emisor. In this end-of-studies thesis the control of a DC brushless engine or BLDC will be studied. The control of this kind of motors involves the design and implementation of a power inverter driver circuit, the simulation of an electro-mechanical model of an electric engine in order to calculate the value of the currents that will flow along the circuit, the programming in a FPGA of a VHDL language program, that introduce a pulse width modulation (PWM) in the driver circuit in order to administrate the amount of average voltage that is supplied to the engine; and the conditioning of the signals generated by the Hall effect sounder integrated in the engine which will allow us to calculate in every moment the position and (deriving in time frame) velocity. With these four elements, it will be possible to implement a velocity profile that the engine will follow and fulfilling a set of temporary space requirements that consist of performing a circular trajectory of 90º in a period of time of 2 seconds. In the end of this thesis, the activation signal of the transistors was stabilized, and this was because the activation of the high side of the inverter driver circuit couldn’t be done without an auxiliary circuit Bootstrap that assures the positive voltage drop between the base and emitter terminals. Ingeniería Industrial

Country
Spain
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Keywords

VHDL (Lenguaje de descripción de material informático), VHDL (VHSIC Hardware Description Language), FPGA (Field Programmable Gate Array), Motores eléctricos, Motores BLDC, DC brushless engines, Ingeniería Industrial, BLDC engines

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selected citations
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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).
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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.
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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.
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