Brushless DC motors are often used as the power sources for modern ship
electric propulsion systems. Due to the electromagnetic torque ripple of the motor, the
traditional control method reduces the drive performance of the motor under load changes.
Aiming at the problem of the torque ripple of the DC brushless motor during a noncommutation period, this paper analysis the reasons for the torque ripple caused by pulsewidth modulation (PWM), and proposes a PWM_ON_PWM method to suppress the torque
ripple of the DC brushless motor. Based on the mathematical model of a DC brushless
motor, this method adopts a double closed-loop control method based on fuzzy control
to suppress the torque ripple of the DC brushless motor. The fuzzy control technology
is integrated into the parameter tuning process of the proportional–integral–derivative
(PID) controller to effectively improve the stability of the motor control system. Under
the Matlab/Simulink platform, the response performance of different PID control methods
and the torque characteristics of different PWM modulation methods are simulated and
compared. The results show that the fuzzy adaptive PID control method has good dynamic
response performance. It is verified that the PWM_ON_PWM modulation method can
effectively suppress the torque ripple of the motor during non-commutation period, improve
the stability of the double closed-loop control system and meet the driving performance of
the motor under different load conditions.
Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies
Informacja
SZANOWNI CZYTELNICY!
UPRZEJMIE INFORMUJEMY, ŻE BIBLIOTEKA FUNKCJONUJE W NASTĘPUJĄCYCH GODZINACH:
Wypożyczalnia i Czytelnia Główna: poniedziałek – piątek od 9.00 do 19.00