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Master's Dissertation
DOI
10.11606/D.18.2008.tde-17032009-145725
Document
Author
Full name
Marcelo Suetake
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2008
Supervisor
Committee
Silva, Ivan Nunes da (President)
Pomilio, José Antenor
Watanabe, Edson Hirokazu
Title in Portuguese
Implementação de sistemas inteligentes em processadores digitais para controle de máquinas elétricas rotativas
Keywords in Portuguese
Controle de velocidade
DSP
Motor de indução trifásico
Sistemas Fuzzy
Abstract in Portuguese
O objetivo deste trabalho consiste na implementação de arquiteturas de sistema inteligentes em Processadores Digitais de Sinais (DSP) visando, sobretudo, o controle em tempo real de motores de indução trifásicos. Para tanto, propõe-se uma abordagem fuzzy para o controle de velocidade de motores de indução trifásicos baseado na metodologia de ajuste de tensão e freqüência (Volts/Hertz) proveniente de um inversor PWM, de modo que o fluxo no entreferro seja mantido constante. O enfoque principal consiste no desenvolvimento do sistema de controle em hardware considerando o estudo dinâmico do controlador frente às variações de conjugado de carga, cujo desempenho da metodologia proposta será avaliado mediante simulações computacionais e ensaios experimentais realizados em laboratório.
Title in English
Implementation of intelligent system in digital processor for rotative electric machine control
Keywords in English
DSP
Fuzzy system
Speed control
Three-phase induction motor
Abstract in English
The objective of this work consists of the implementation of intelligent system architecture in Digital Signal Processor (DSP) aiming at the real-time three-phase induction motor control. Therefore, a fuzzy logic speed control drive system for three-phase induction motor is proposed, whereas the control methodology is based on voltage and frequency (Volts/Hertz) adjustment of a PWM inverter so that the airgap flux maintains constant. The main focus concerns about hardware development of the control system considering the controller dynamic response study in relation to load torque variations, from which the proposed methodology performance is evaluated by means of computational simulation and experimental results obtained in laboratory.
 
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Suetake.pdf (7.24 Mbytes)
Publishing Date
2009-03-25
 
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