Research on Sensorless Control System of BLDCM Based on TMS320F2812

Jian Guang Zhu; Kai Jiang; Hao Zheng

doi:10.4028/www.scientific.net/AMR.580.301

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 580Research on Sensorless Control System of BLDCM...

Research on Sensorless Control System of BLDCM Based on TMS320F2812

Abstract:

An electronic control system for sensorless BLDCM is proposed. Normally, the back-emf signal has coupling noise from the PWM signal which is used to vary the speed of the motor. So it is difficult to detect the zero-crossing point accurately when the motor work at low speed. In order to improve the controllability of BLDCM at low speed, a new algorithm is presented. The control system is implemented from both hardware and software parts. And the experiments verified the good control performance and dynamic characteristics of the system.

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Periodical:

Advanced Materials Research (Volume 580)

Pages:

301-305

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.580.301

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Online since:

October 2012

Authors:

Jian Guang Zhu, Kai Jiang, Hao Zheng

Keywords:

Back-EMF, BLDCM, Digital Signal Processor (DSP), Sensorless Control

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References

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