开关磁阻电机在位置检测技术中的应用

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Abstract To improve the environmental adaptability of the position sensors and broaden the application fields of the switched reluctance motor(SRM), this paper presents that the SRM can be used as a rotor position sensor to provide real-time rotor position for the other SRM that need to be controlled. In this paper, taking the 12/8 structure SRM as an example, by injecting high-frequency diagnostic pulses, the resultant pulse current can be modulated using the amplitude modulation technique(AM). The modulated current waves can be adjusted through signal conditioning circuits and the cross comparators to estimate the position index pulses. The detecting circuits are designed and at last. The experiments verified the validation of the method.

Key words： Switched reluctance motor position sensor high frequency injection amplitude modulation

Received: 12 June 2012 Published: 17 June 2014

PACS:

TM352

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	Articles by authors
	Cai Jun
	Deng Zhiquan
	Hu Rongguang

Cite this article:

Cai Jun,Deng Zhiquan,Hu Rongguang. Applications of Switched Reluctance Motors in Position Sensing[J]. Transactions of China Electrotechnical Society, 2014, 29(3): 150-159.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2014/V29/I3/150

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