Subrata Saha, Kiyoe Ochiai, T. Kosaka, N. Matsui, Y. Takeda
{"title":"Developing a sensorless approach for switched reluctance motors from a new analytical model","authors":"Subrata Saha, Kiyoe Ochiai, T. Kosaka, N. Matsui, Y. Takeda","doi":"10.1109/IAS.1999.800003","DOIUrl":null,"url":null,"abstract":"In this paper, a new analytical model for the nonlinear flux-linkage/current characteristics of the switched reluctance motors (SRM) at different rotor positions is proposed. The uniqueness of the model lies in a simple algorithm for estimating the rotor position. Hence, a sensorless drive of the SRM is implemented using this analytical model. The estimation of the rotor position under different operating conditions of the SRM is found to be very stable when the speed is varied within a ratio of 1:20 and the applied load is changed from 0 to 100%. Thus, excellent performance of the sensorless drive is obtained and is reported in details.","PeriodicalId":125787,"journal":{"name":"Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370)","volume":"215 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"37","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IAS.1999.800003","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 37
Abstract
In this paper, a new analytical model for the nonlinear flux-linkage/current characteristics of the switched reluctance motors (SRM) at different rotor positions is proposed. The uniqueness of the model lies in a simple algorithm for estimating the rotor position. Hence, a sensorless drive of the SRM is implemented using this analytical model. The estimation of the rotor position under different operating conditions of the SRM is found to be very stable when the speed is varied within a ratio of 1:20 and the applied load is changed from 0 to 100%. Thus, excellent performance of the sensorless drive is obtained and is reported in details.
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