{"title":"Nonlinear controller for induction motor drive","authors":"K. Mohanty, N. K. De","doi":"10.1109/ICIT.2000.854140","DOIUrl":null,"url":null,"abstract":"An attempt has been made in the present work to improve the dynamic and steady state performances of the vector controlled induction motor (IM) drives. Input-output linearization and decoupling technique based on the concepts of differential geometry, has been used to decouple the speed, or torque from flux. Optimal proportional-integral (P-I) controllers in flux and speed loops are designed to obtain desired dynamic and steady state responses. A new rotor flux observer has been designed to estimate the flux at all speeds. Simulation results show that the performance of the drive system with the designed controller is comparable to that with vector controller and the proposed drive system is more flexible.","PeriodicalId":405648,"journal":{"name":"Proceedings of IEEE International Conference on Industrial Technology 2000 (IEEE Cat. No.00TH8482)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE International Conference on Industrial Technology 2000 (IEEE Cat. No.00TH8482)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIT.2000.854140","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 18
Abstract
An attempt has been made in the present work to improve the dynamic and steady state performances of the vector controlled induction motor (IM) drives. Input-output linearization and decoupling technique based on the concepts of differential geometry, has been used to decouple the speed, or torque from flux. Optimal proportional-integral (P-I) controllers in flux and speed loops are designed to obtain desired dynamic and steady state responses. A new rotor flux observer has been designed to estimate the flux at all speeds. Simulation results show that the performance of the drive system with the designed controller is comparable to that with vector controller and the proposed drive system is more flexible.
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