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Indirect Detection of Rotor Position of Switched Reluctance Motor Based on Flux Linkage Analytic Model
Yongqin Zhou*, Bo Hu*, Hang Wang, Ningzhi Jin* and Meilan Zhou*
Abstract In this paper, a flux linkage model based on four magnetization curves fitting is proposed for three-phase 12/8 switched reluctance motor (SRM), with the analysis of the basic principle of flux detection method and function analysis method. In the model, the single value function mapping relationship between position angle and flux is established, which can achieve a direct estimation of rotor position. The realization scheme of SRM indirect position detection system is presented. It is proved by simulation and experiment that the proposed scheme is suitable for rotor position detection of SRM, and has high accuracy of position estimation.
Keyword SRM, Flux linkage model, Rotor position, Indirect detection
Status Before proofreading
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