基于无电感升压拓扑的无刷直流电机电流控制策略

doi:10.19595/j.cnki.1000-6753.tces.191496

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Abstract In this paper, a Boost topology is designed using MOSFETs, diodes and capacitors. This structure does not require inductors, which is beneficial to reduce the cost and volume of the drive system. Combined the output mode of Boost topology with the operation mode of brushless DC motor (BLDCM), four switching vectors are constructed to ensure the normal operation of the drive system, and a current control strategy of BLDCM based on Boost topology is further proposed. In commutation period and non-commutation period of BLDCM, current control can be realized by selecting the appropriate vector. In addition, in the commutation period, a unified control method can be used to suppress the commutation torque ripple without switching control strategies according to the speed range.

Key words： Brushless DC motor (BLDCM) Boost topology current control commutation torque ripple

Received: 15 November 2019

PACS:

TM33

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	Articles by authors
	Cao Yanfei
	Lu Haitian
	Li Xinmin
	Shi Tingna

Cite this article:

Cao Yanfei,Lu Haitian,Li Xinmin等. Current Control Strategy of Brushless DC Motor Based on Non-Inductive Boost Topology[J]. Transactions of China Electrotechnical Society, 2021, 36(6): 1249-1258.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.191496 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I6/1249

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