Analysis of the Stability of Synchronous Motor Driving without Sensor

Feng Xue; Guo Qing Shi

doi:10.4028/www.scientific.net/AMR.429.259

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 429Analysis of the Stability of Synchronous Motor...

Analysis of the Stability of Synchronous Motor Driving without Sensor

Abstract:

The rotor’s position of brushless synchronous motor can only be got by windings’ currents, terminal voltages in the field where the sensors can not be installed. How to steadily drive the motor in the weak feedback becomes the key to the control method. Quantitative analysis of stability for control method is made for two kinds of motor which has trapezia wave and sine wave anti electromotive force， in which the concept of equivalent current bundle is brought forward. The computer simulation proves the results of analysis. Academic direction is made for the stable control of sensorless driving.

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Periodical:

Advanced Materials Research (Volume 429)

Pages:

259-266

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.429.259

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Online since:

January 2012

Authors:

Feng Xue, Guo Qing Shi

Keywords:

Equivalent Currents Bundle, Position Sensor, Synchronous Motor

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