直驱阀用音圈电机的模糊非线性PID控制

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Abstract The hydrodynamic force disturbances in direct drive valve based on voice coil motor (VCM-DDV) have greater impact on system performance. There are some weaknesses in classic Proportion integration differentiation(PID)control. In this paper, a mathematical model of the VCM-DDV is established. A double-closed loop control structure composed of position loop and current loop is presented. A novel nonlinear PID (NLPID) control strategy is applied in position loop. Fuzzy control is used to achieve self-tuning of control parameters. The design method of NLPID controller in position loop is presented in detail. Simulation and experimental results show the control strategy has a better anti-interference and robustness, superior stability and dynamic performance than classic PID and fuzzy PID in the same disturbance.

Key words： Nonlinear PID fuzzy control voice coil motor direct drive valve hydrodynamic force

Received: 04 November 2009 Published: 07 March 2014

PACS:

TM921

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	Articles by authors
	Wang Dayu
	Guo Hong
	Liu Zhi
	Zhang Lijia

Cite this article:

Wang Dayu,Guo Hong,Liu Zhi等. A Fuzzy Nonlinear PID Control of Voice Coil Motor Used in Direct Drive Valve[J]. Transactions of China Electrotechnical Society, 2011, 26(3): 52-56.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I3/52

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