永磁同步电机直接驱动柔性负载控制方法

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Abstract As for the resonance problem brought by the coupling between the stepping movement of the stepping motor and the flexibility of the solar array in the conventional solar array drive system, permanent magnet synchronous motor (PMSM) is proposed to drive the flexible load. Then based on Lagrange principle, the dynamic equation of the flexible load is derived. Combined with the mathematical model of PMSM, the mathematical model of the system that flexible driven directly by PMSM is built. Then the flexible driven system is controlled via closed-loop field orientation control strategy, and the open loop transfer function of current loop and speed loop is derived. Compared with the rigid load PMSM driven system, the influence of the flexibility on the current loop and the speed loop is analyzed. Two kinds of PI parameter tuning method, i.e. the pole placement method and the traditional method based on type II system, are proposed. Finally, simulation and experimental results have verified the parameter tuning method and the analysis process.

Key words： Permanent magnet synchronous motor flexible load controller design pole placement

Received: 30 October 2015 Published: 01 March 2017

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TM341

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	Ding Youshuang
	Xiao Xi

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Ding Youshuang,Xiao Xi. Control Strategies of Flexible Load Driven Directly by Permanent Magnet Synchronous Motor[J]. Transactions of China Electrotechnical Society, 2017, 32(4): 123-132.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I4/123

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