无速度传感器永磁同步电机反推控制

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Abstract A control of permanent magnet synchronous motor by the estimated rotor speed using a new reduced-order Luenberger observer is proposed. The motor speed is acquired through observer constructed with stator q-axis current and speed equations. The observer is simple and can achieve fast convergence through eigenvalues placement. Backstepping control is used to design system controllers and the system can achieve fast speed tracking and torqure response. Matlab simulation and experimental result is applied to proves the efficiency and feasibility of system design.

Key words： Permanent magnet synchronous motor speed sensorless backstepping observer

Received: 15 October 2010 Published: 07 March 2014

PACS:	TP273
	TM351

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	Liu Dongliang
	Zheng Xiehui
	Cui Lili

Cite this article:

Liu Dongliang,Zheng Xiehui,Cui Lili. Backstepping Control of Speed Sensorless Permanent Magnet Synchronous Motor[J]. Transactions of China Electrotechnical Society, 2011, 26(9): 67-72.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I9/67

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