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中南大学学报(英文版)

Journal of Central South University

Vol. 23    No. 4    April 2016

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A novel current vector decomposition controller design for six-phase permanent magnet synchronous motor
YUAN Lei(袁雷), HU Bing-xin(胡冰新), WEI Ke-yin(魏克银), LIN Ying(林莹)

Institute of Communications Engineering,PLA University of Science and Technology University, Nanjing 210007, China

Abstract:The vector control algorithm based on vector space decomposition (VSD) transformation method has a more flexible control freedom, which can control the fundamental and harmonic subspace separately. To this end, a current vector decoupling control algorithm for six-phase permanent magnet synchronous motor (PMSM) is designed. Using the proposed synchronous rotating coordinate transformation matrix, the fundamental and harmonic components in d-q subspace are changed into direct current (DC) component, only using the traditional proportional integral (PI) controller can meet the non-static difference adjustment, and the controller parameter design method is given by employing internal model principle. In addition, in order to remove the 5th and 7th harmonic components of stator current, the current PI controller parallel with resonant controller is employed in x-y subspace to realize the specific harmonic component compensation. Simulation results verify the effectiveness of current decoupling vector controller.

 

Key words: six-phase PMSM; current vector decomposition; internal control; resonant control

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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