开关磁阻发电机输出电压优化控制与仿真

Output Voltage Optimal Control and Simulation of Switched Reluctance Generator

研究开关磁阻发电机输出电压优化控制。针对负载和转速变化引起较大的输出电压脉动的问题,传统控制方法的调节精度不高。为解决上述问题,提出了模糊滑模控制方法,分析输出电压脉动的多种原因,考虑了多种变量对输出电压的影响,建立了模糊滑模控制器与传统的角度控制结合的调压控制系统模型。仿真结果表明,改进方法解决了模型中滑模增益的选取困难的问题,提高了调压控制系统的精度,比经典的PID控制以及传统滑模控制更有效地抑制了电压脉动。

This paper studies optimal control of output voltage for Switched Reluctance Generator. A fuzzy sliding mode control method is presented for the problems of output voltage ripple caused by load and speed changing and low regulation accuracy of traditional control methods. Various factors affecting the output voltage ripple are analysed and various variables affecting the output voltage are considered. The voltage control system model of fuzzy sliding mode controller combined with angle control is established. The simulation results show that this method solves the difficult problem of selecting sliding mode gain and improves the precision of this model, and is more effective in restraining voltage ripple than the classical PID control and traditional sliding mode control.