Rotating Speed Adjusting System of Generator Based on PWM and FLC

摘要

to ensure the feeding quality of ground power supply car, the rotating speed of generator driven by diesel engine on the car should be constant. In generator rotating speed adjusting system, the voltage signal output by the tachometer device of diesel engine compared with the standard voltage corresponds to generator's settled rotating speed, the deviation is two-stage amplified to output a voltage signal. On one hand, the signal converted by PWM to a corresponding pulse width voltage wave to drive actuator to adjust diesel engine's oil supply quantity and rotating speed; on other hand, FLC can also output control voltage to add on actuator according to the signal. So, the dynamic state quality of the system is further improvement to enhance system's stability, thus, the generator's rotating speed keeps stable. On the base of finishing the design of the circuit of rotating speed adjusting system, the paper introduces the control project of combining PWM and FLC in generator rotating speed adjusting system, and acquires better control effect.