| METHOD TO ELIMINATE THE INFLUENCE OF SERVO－MOTOR FRICTION TORQUEON ULTRA－LOW SPEED PERFORMANCE OFELEC |
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| 引用本文： | Li Shangyi, Li Wanyu, Zhao Keding, Wang Wuyong, Xu Hongguang(Harbin Institute of Technology). METHOD TO ELIMINATE THE INFLUENCE OF SERVO－MOTOR FRICTION TORQUEON ULTRA－LOW SPEED PERFORMANCE OFELEC[J]. 机械工程学报(英文版), 1994, 0(1) |
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| 作者姓名： | Li Shangyi Li Wanyu Zhao Keding Wang Wuyong Xu Hongguang(Harbin Institute of Technology) |
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| 摘 要： | ＭＥＴＨＯＤＴＯＥＬＩＭＩＮＡＴＥＴＨＥＩＮＦＬＵＥＮＣＥＯＦＳＥＲＶＯ－ＭＯＴＯＲＦＲＩＣＴＩＯＮＴＯＲＱＵＥＯＮＵＬＴＲＡ－ＬＯＷＳＰＥＥＤＰＥＲＦＯＲＭＡＮＣＥＯＦＥＬＥＣＴＲＯＨＹＤＲＡＵＬＩＣＳＥＲＶＯＳＹＳＴＥＭＬｉＳｈａｎｇｙｉ；ＬｉＷ...
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METHOD TO ELIMINATE THE INFLUENCE OF SERVO-MOTOR FRICTION TORQUE ON ULTRA-LOW SPEED PERFORMANCE OF ELECTROHYDRAULIC SERVO SYSTEM |
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| Li Shangyi, Li Wanyu, Zhao Keding, Wang Wuyong, Xu Hongguang. METHOD TO ELIMINATE THE INFLUENCE OF SERVO-MOTOR FRICTION TORQUE ON ULTRA-LOW SPEED PERFORMANCE OF ELECTROHYDRAULIC SERVO SYSTEM[J]. Chinese Journal of Mechanical Engineering, 1994, 0(1) |
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| Authors: | Li Shangyi Li Wanyu Zhao Keding Wang Wuyong Xu Hongguang |
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| Affiliation: | Harbin Institute of Technology |
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| Abstract: | 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. |
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| Keywords: | Nonlinear observer Friction torque PID with variable parameters |
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