基于变系数电感模型开关磁阻电机四象限无位置传感器技术

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Abstract The phase inductance of switch reluctance motor is seriously nonlinear. This paper researches the relationship between inductance model coefficient that ignored more than three times harmonic and current, and proposes an estimation method of rotor position based on the variable coefficient inductance model. Using the relationship between variable coefficient inductance and the rotor position, this paper constructs the four-quadrant control system without position sensor and verifies the strategy. In this paper, DSP digital signal processing system is designed. By using the software, it achieves the control of switched reluctance motor. The feasibility of the proposed method is verified by the experiments. Experiments results indicate that the proposed method estimates rotor position accurately and switching between quadrants is reliable, and the system has good static and dynamic performance.

Key words： SRM sensorless variable coefficient inductance model four-quadrant

Received: 17 April 2013 Published: 05 August 2014

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TM315

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	Articles by authors
	Kuai Songyan
	Wang Pengfei
	Cheng Jinghong
	Tan Guojun
	Liu Songyong

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Kuai Songyan,Wang Pengfei,Cheng Jinghong等. Four-Quadrant Position Sensorless Technology of Switched Reluctance Motors Based on Variable Coefficients Inductance Model[J]. Transactions of China Electrotechnical Society, 2014, 29(7): 114-124.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2014/V29/I7/114

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