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Volume 33 Issue 03
Mar.  2007
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Journal of Beijing University of Aeronautics and Astronautics  > 2007  >  33(03): 294-297.
Ma Jungong, Wang Shifu, Wang Zhanlinet al. Fuzzy gain scheduling control for electro-hydraulic servo velocity system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(03): 294-297. (in Chinese)
Citation: Ma Jungong, Wang Shifu, Wang Zhanlinet al. Fuzzy gain scheduling control for electro-hydraulic servo velocity system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(03): 294-297. (in Chinese)
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Fuzzy gain scheduling control for electro-hydraulic servo velocity system

  • School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 25 Apr 2006
  • Publish Date: 31 Mar 2007
    Abstract
  • Considering the nonlinear and the parameters variability, which vary widely with the working condition in the electro-hydraulic servo velocity system, fuzzy gain scheduling controller was developed. Based on the change of output error and its differential, the PID(proportion integral differential)parameters of controller were changed online by fuzzy reasoning in order to adapt the variety of set point and this made the control parameters reach the global optimization, solved the local optimization problem in the common gain scheduling. In the course of determine membership function of P and I, exponential function was introduced and this ensured the fast response and stability of system. Test results indicate that comparing with PID, the method accelerates the dynamic response, reduces the overshoot and load turbulence effectively too. So it is very validity for nonlinear system and the mathematic prototype system that can-t be built easily.

     

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  • [1] 王占林.液压伺服控制[M].北京:北京航空学院出版社, 1987:389-400 Wang Zhanlin. Hydraulic severe control[M]. Beijing:Beijing Institute of Aeronautics and Astronautics Press,1987:389-400 (in Chinese) [2] 蔡永强,裘丽华,王占林.力伺服系统的模糊自适应控制[J].北京航空航天大学学报,1999,25(1):22-25 Cai Yongqiang, Qiu Lihua, Wang Zhanlin. Adaptive fuzzy control for loading servo system[J]. Journal of Beijing University of Aeronautics and Astronautics, 1999,25(1) :22-25(in Chinese) [3] Gündo g ^ du , Erentürk K. Fuzzy control of a dc motor driven four-bar mechanism[J]. Mechatronics, 2005, 15(4):423-438 [4] Mahmoud M, Dutton K, Denman M. Design and simulation of a nonlinear fuzzy controller for a hydropower plant[J]. Electric Power Systems Research, 2005, 73(2):87-99 [5] Paramasivam S, Arumugam R. Hybrid fuzzy controller for speed control of switched reluctance motor drives[J]. Energy Conversion and Management, 2005, 46(9):1365-1378 [6] Tong Shaocheng, Li Hanxiong, Wang Wei. Observer-based adaptive fuzzy control for SISO nonlinear systems[J]. Fuzzy Sets and Systems, 2004, 148(3):355-376
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