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The Rotor Position Estimation Techniques of an SRM with Built-in Search Coils at Standstill  

Yang Hyong-Yeol (전남대 고품질전기전자부품 및 시스템 연구센터)
Shin Duck-Shick (전남대 대학원 전기공학과)
Lim Young-Cheol (전남대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.10, no.1, 2005 , pp. 45-51 More about this Journal
Abstract
This paper presents a comparison of rotor position estimation of a switched reluctance motor(SRM) with built-in search coils by three methods. The search coil EMFs are not generated in the SRM with built-in search coils at standstill. So an initial rotor position estimation method is needed. In this paper squared euclidean distance, fuzzy logic and neural network methods we proposed for the estimation of initial rotor position. The simulated results of the three methods are compared. The simulated result of the squared euclidean distance method, which has the best performance, is supported by the experimental result.
Keywords
SRM; Search coils; Squared euclidean distance; Fuzzy logic; Neural network; Rotor position Estimation;
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