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http://dx.doi.org/10.6113/TKPE.2011.16.1.71

Effects of Parameter Errors on Sensorless Operation of PMSM  

Park, Yong-Soon (서울대 전기컴퓨터공학부)
Sul, Seung-Ki (서울대 전기컴퓨터공학부)
Ji, Jun-Keun (순천향대 전기통신공학과)
Park, Young-Jae (삼성전자 DMC 연구소)
Lee, Dong-Hwan (삼성전자 DMC 연구소)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.16, no.1, 2011 , pp. 71-78 More about this Journal
Abstract
In this paper, the effect of parameter errors to the estimation of the rotor angle in sensorless operation of a permanent magnet synchronous motor is analyzed. The angle error information which is utilized to estimate the rotor position can be classified into two factors, namely, the sign factor and the gain factor. This paper particularly focuses on parameter errors reflected in the sign factor of the angle error information which causes a deviation in the angle estimation. In this paper, mathematical expressions describing the deviation of the angle estimation due to the inductance error and the resistance error in the sensorless control are derived. The validity of the expression is verified by the computer simulations and the experimental results.
Keywords
Parameter errors; Sensorless control; Permanent magnet synchronous motor;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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