Fuzzy control method for autonomous synchronous motor drive of rescue ships
When rescue ships perform maritime missions,their self controlled synchronous motor drive systems face two major challenges:motor uncertainty and complexity of the marine environment,resulting in insufficient stability and ac-curacy of their drive control.To address this issue,a research on fuzzy control method for autonomous synchronous motor drive of rescue ships was conducted.This method first analyzes the structure and operation of the electric propulsion system of rescue ships.Then,based on fuzzy theory,the fuzzy control architecture design for the self controlled synchronous motor drive of rescue ships is completed.It mainly consists of three parts,namely,using the difference between the motor rotor po-sition signal and the given position signal as the input of the position loop P control algorithm,and outputting the speed sig-nal;Using the difference between the speed signal and the given speed signal as the input of the speed loop fuzzy PID al-gorithm,output the current signal;The improved fuzzy self-tuning PI algorithm takes the difference between the current sig-nal and the given current signal as the input of the current loop,outputs the control signal to the inverter,and drives the self controlled synchronous motor.Finally,a bear simulation model of rescue ship electric propulsion in through built to verify the progressiveness of the proposed method through experiments.The experimental results show that the proposed method can effectively obtain the motor speed signal and current signal,and complete the fuzzy control of the rescue ship automatic control synchronous motor drive.The application effect is good.
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维普
