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The H~∞ Robust Adaptive Control for Linear Permanent Magnet Synchronous Servo Motor

Guo Qingding Sun Yanna(Shenyang University of Technology 110023 China)  
The H∞ robust control law has been combined with the robust parameters estimator.The adaptive controller formed is applied for the first time in the speed control for LPSM.The global stability can be guaranteed when parametric uncertainties,bounded disturbance and unmodeled dynamics exist at the same time.Besides,the ability suppressing disturbances is better.The demands on precise control for LPSM with multifold uncertainties are satisfied in the proposed scheme which has the best pertinence.The results of simulation indicate the proposed system owns strong robustness and the control effects are excellent.
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