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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xin Kai Zhan Qionghua Luo Jianwu |
| Copyright Year | 2005 |
| Description | Author affiliation: Coll. of Electr. & Electron. Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China (Xin Kai; Zhan Qionghua; Luo Jianwu) |
| Abstract | In this paper, a new impedance sensing method is described. This method overcomes the shortcomings of the impedance sensing method. According to the new method, sensing voltage pulse is applied to the idle phase in the minimum inductance region and the beginning of the increasing inductance region to detect rotor position. The negative torque produced by the sensing voltage pulse can be neglected in the minimum inductance region and the efficiency of SRM is improved. In the minimum inductance region the back EMF can be neglected. And in the increasing inductance region the EMF opposes the rise of current in the phase, so the position estimation scheme is reliable. Therefore the new "impedance sensing" method is sufficiently precise even under the high back EMF effect. The adjustment of turn-on angle and turn-off angle is also easy to be realized. The technique is very useful in applications where cost or size is primary concerns, such as electric bicycle drives. Experimental results are presented to verify the proposed method. |
| Sponsorship | China Electrotechnical Soc. Chinese Soc. for Electr. Eng. Natural Sci. Found. of China IEEE Beijing Sect. Korean Inst. of Electr. Eng. Inst. of Electr. Eng. of Japan |
| Starting Page | 594 |
| Ending Page | 598 |
| File Size | 1828190 |
| Page Count | 5 |
| File Format | |
| ISBN | 7506274078 |
| DOI | 10.1109/ICEMS.2005.202599 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-09-27 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | International Academic Publishers/World Publishing Corporation |
| Subject Keyword | Sensorless control Reluctance motors Inductance Impedance Voltage Phase detection Torque Reluctance machines Phase estimation Costs impedance sensing sensorless control switched reluctance motor |
| Content Type | Text |
| Resource Type | Article |
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