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Volume 16 Issue 2
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2008  >  16(2): 038-41
LI Hong, XU De-min, JIAO Zhei-hong, WANG Chong-wu. A Method of Rotor and Stator Position Detection for Counter-rotating Permanent Magnet Brushless DC Motor[J]. Journal of Unmanned Undersea Systems, 2008, 16(2): 038-41. doi: 10.11993/j.issn.1673-1948.2008.02.010
Citation: LI Hong, XU De-min, JIAO Zhei-hong, WANG Chong-wu. A Method of Rotor and Stator Position Detection for Counter-rotating Permanent Magnet Brushless DC Motor[J]. Journal of Unmanned Undersea Systems, 2008, 16(2): 038-41. doi: 10.11993/j.issn.1673-1948.2008.02.010
shu

A Method of Rotor and Stator Position Detection for Counter-rotating Permanent Magnet Brushless DC Motor

doi: 10.11993/j.issn.1673-1948.2008.02.010

  • College of Marine Engineering, Northwestern Polytechnical University, Xi′an 710072, China

  • Received Date: 2007-06-08
  • Rev Recd Date: 2008-03-08
  • Publish Date: 2008-04-30
    Abstract
  • Counter-rotating permanent magnet Brushless DC motor (PM BLDCM) is composed of an inverter and a motor whose stator and rotor rotate in opposite direction simultaneously. Because the working state of the inverter depends on the relative position of the stator and rotor, it is very important to study an effective method to detect the relative position. This paper discusses the relations among the relative position of the stator and rotor,the working state of the motor, and the trigger logic of the inverter. A method of obtaining the position signal of the rotor and stator for counter-rotating PM BLDCM is presented by means of 12 Hall position sensors, and the logic expression about three-phase inverter state and the angle between the rotor and stator is derived. Simulation result proves this method can keep the PM BLDCM working efficiently.

     

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    • References(7)
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