Slotless permanent magnet synchronous motor operation without a high resolution rotor angle sensor

2000 ◽  
Vol 15 (4) ◽  
pp. 366-371 ◽  
Author(s):  
T.D. Batzel ◽  
K.Y. Lee
Keyword(s):  
High Resolution ◽  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Angle Sensor ◽  
Rotor Angle ◽  
Motor Operation

Optimization of Rotor Angle Signal for Permanent Magnet Synchronous Motor

2012 ◽  
Vol 588-589 ◽  
pp. 505-508
Author(s):  
Xue Wu Ji ◽  
Hong Liang Tian ◽  
Ya Hui Liu ◽  
Ning Sun
Keyword(s):  
Permanent Magnet ◽  
Kalman Filtering ◽  
Low Cost ◽  
Permanent Magnet Synchronous Motor ◽  
Torque Ripple ◽  
Synchronous Motor ◽  
Angle Sensor ◽  
Recursion Method ◽  
Filtering Method ◽  
Rotor Angle

In the design of an electric power steering system (EPS), the smoothness of assistant torque is one of the key performances. In order to reduce the torque ripple caused by the low precision of low-cost angle sensor embodied in the system and to improve the steering comfort, this paper analyzed the influence of low cost angle sensor on the torque ripple of a permanent magnet synchronous motor (PMSM), and optimized the rotor angle signal with speed recursion method and Kalman filtering method. The optimization results of the two methods were compared, and the experiment results showed that Kalman filtering method can optimize the angle signal better.

scholarly journals Measurement of the PMSM Shaft Position with An Absolute Encoder

Electronics ◽  
2019 ◽  
Vol 8 (11) ◽  
pp. 1229
Author(s):  
Tomasz Rudnicki
Keyword(s):  
Permanent Magnet ◽  
Permanent Magnets ◽  
Permanent Magnet Synchronous Motor ◽  
Correction Method ◽  
Synchronous Motor ◽  
Motor Speed ◽  
Motor Shaft ◽  
Adaptive Correction ◽  
Absolute Encoder ◽  
Motor Operation

The most critical aspect of assessing a permanent magnet synchronous motor is the problem of correctly measuring the position of the synchronous motor shaft. The purpose of this article was to show the effects of employing an absolute encoder to control a synchronous motor with permanent magnets while encountering disturbances. This problem is often overlooked, but it appears from time to time. The correct measurement of the shaft position eliminates improper motor operation characterized by jerking. The article showed that despite momentary erroneous readings of the shaft’s position, it was still possible to control the permanent magnet synchronous motor (PMSM). This also allows for correct measurement of the motor speed. This paper originally proposed an adaptive correction method for a rotary encoder.

Study of Reactance Evaluation Methods in Saturated Magnetic Field for Permanent Magnet Synchronous Motor

2006 ◽  
Vol 126 (12) ◽  
pp. 1722-1729 ◽  
Author(s):  
Akeshi Takahashi ◽  
Haruo Koharagi ◽  
Satoshi Kikuchi ◽  
Kazumasa Ide ◽  
Kazuo Shima
Keyword(s):  
Magnetic Field ◽  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Evaluation Methods

A Study on Permanent Magnet Synchronous Motor Characteristics with Rotor Eccentricity

2011 ◽  
Vol 131 (8) ◽  
pp. 1029-1035 ◽  
Author(s):  
Ryoichi Takahata ◽  
Shinichi Wakui ◽  
Kenji Miyata ◽  
Keiji Noma ◽  
Masaharu Senoo
Keyword(s):  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Rotor Eccentricity

Influence of Rotor Eccentricity on Vibration Characteristics of Permanent Magnet Synchronous Motor

2018 ◽  
Vol 138 (9) ◽  
pp. 730-738
Author(s):  
Ryoichi Takahata ◽  
Shinichi Wakui ◽  
Kenji Miyata ◽  
Keiji Noma ◽  
Masaharu Senoo
Keyword(s):  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Vibration Characteristics ◽  
Rotor Eccentricity
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