Volume 30 Issue 07
Jul.  2004
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Wang Ziqiang, Zhang Long, Huang Yet al. Optimization design of brushless DC motor for flight control[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(07): 588-592. (in Chinese)
Citation: Wang Ziqiang, Zhang Long, Huang Yet al. Optimization design of brushless DC motor for flight control[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(07): 588-592. (in Chinese)

Optimization design of brushless DC motor for flight control

  • Received Date: 12 Mar 2003
  • Publish Date: 31 Jul 2004
  • Development of electromechanical actuation system for flight control is one of the most important technologies in the path to all-electric airplane. Brushless DC motor of high speed and high power density is the key in the system. In order to solve the problem of non-liner optimization, the genetic algorithm was adopted. The method of compond target function variable weighting was adopted for solving compond target optimization problem, and compond target was put into single target . In order to optimize all fields in calculation, the method of discrete group with random, random cross operation and variation operation was adopted. Because the optimization result is discrete, excellent individual protect plan was adopted to quicken constringency. Satisfied with the technical request, the volume and weight of the motor, moment of inertia of rotor , electromechanical time cost were reduced, and power density of brushless DC motor was improved by means of calculation.

     

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