A cascaded slide mode control scheme is designed for permanent magnetic synchronous machine AC servo system. Integrate compensator is introduced in slide mode controller of velocity loop to reduce the torque chattering, and the pseudo slide mode control is used in place loop to reject the place chattering. Simulation shows that the scheme has strong ability of resisting parameter distortion and interference, exi hibits good control performances.
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This paper presents a design method of parameter self tuning fuzzy PI controller. Simulations have shown that the controller has good control performances and robustness in much control process.
提出一种参数自校正模糊pi控制器的设计方法，该方法具有算法简单、控制品质较好等优点。
Simulations demonstrate that SVM has good nonlinear approximation capability for inverse model, and the proposed control system has good dynamic and static performances as well as good robustness.
仿真研究表明，SVM具有优良的逆模型辨识能力，基于模糊控制补偿的支持向量机逆控制系统的动态性能好、跟踪精度高、鲁棒稳定性强。
But the good performances of PMSM drive system are based on closed-loop control, it is quite important of how to obtain the rotor position and speed signals in this system.
但是永磁同步电机驱动系统的良好性能都是建立在闭环控制基础之上的，因此如何获取转子位置和速度信号是整个系统中相当重要的一个环节。
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