Design of a Novel Back-Emf Filter for Sensor-Less BLDC

Tao Yu; Shu Hua Jiang; Sung Jun Park

doi:10.4028/www.scientific.net/AMM.654.142

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 654Design of a Novel Back-Emf Filter for Sensor-Less...

Design of a Novel Back-Emf Filter for Sensor-Less BLDC

Abstract:

In this paper a novel filter structure which can be used to find the zero point of the sensorless back-emf of BLDC is proposed. The back-emf amplifier circuit applied this structure is a kind of analog and digital mixed type. It can improved sensorless performance under low speed situation greatly. At last the production and experiments were carried out based on the 100W BLDC driver system. The applicability of the proposed structure was also verified

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Periodical:

Applied Mechanics and Materials (Volume 654)

Pages:

142-145

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.654.142

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Online since:

October 2014

Authors:

Tao Yu, Shu Hua Jiang, Sung Jun Park

Keywords:

Back EMF, Filter Circuit, Sensorless BLDC

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References

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