发明授权
- 专利标题： Apparatus and method of estimating inductance of permanent magnet synchronous motor
- 专利标题（中）： 估计永磁同步电机电感的装置及方法
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申请号： US13137309申请日： 2011-08-04
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公开(公告)号： US08786230B2公开(公告)日： 2014-07-22
- 发明人: Dong Hwan Lee , Young Jae Park , Yong Soon Park , Seung Ki Sul
- 申请人： Dong Hwan Lee , Young Jae Park , Yong Soon Park , Seung Ki Sul
- 申请人地址： KR Suwon-si KR Seoul
- 专利权人： Samsung Electronics Co., Ltd.,SNU R&DB Foundation
- 当前专利权人： Samsung Electronics Co., Ltd.,SNU R&DB Foundation
- 当前专利权人地址： KR Suwon-si KR Seoul
- 代理机构： Staas & Halsey LLP
- 优先权： KR10-2011-0009973 20110201
- 主分类号： H02P6/18
- IPC分类号： H02P6/18
摘要：
A method of estimating inductance of a permanent magnet synchronous motor (PMSM) includes injecting a signal having a frequency differing from an operating frequency of the PMSM into the PMSM during sensorless operation, sensing magnitudes of current responses to the injected signal, and estimating an inductance value at which the magnitude of the sensed current response is minimal to be an actual inductance value of the PMSM, thereby estimating inductance used in the PMSM regardless of position estimation error of the PMSM and thus more accurately and reliably estimating inductance of the PMSM.
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