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METHOD TO ELIMINATE THE INFLUENCE OF SERVO-MOTOR FRICTION TORQUEON ULTRA-LOW SPEED PERFORMANCE OFELEC 认领 引用 被引量:1
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作者 Li Shangyi Li Wanyu +2 位作者 Zhao Keding Wang Wuyong Xu Hongguang 《Chinese Journal of Mechanical Engineering》 CAS 1994年第1期35-39,共5页
A nonlinear observer of friction torque is formulated for valve controlled servomotor system. The effect of the observer is studied with simulating method and its applied condition is analyzed. When the above observer... A nonlinear observer of friction torque is formulated for valve controlled servomotor system. The effect of the observer is studied with simulating method and its applied condition is analyzed. When the above observer is not suitable foe use, a simple PID controlling method with variable parameters is presented. The method has been proved to be effective by the experimental results. 展开更多
关键词 Nonlinear observer Friction torque PID with variable parameters
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