Volume 26 Issue 3
Mar.  2000
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ZHU Yao-zhong, WANG Zi-qiang. Consideration in the Electromagnetic Design of Brushless DC Motor for Flight Control[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(3): 307-310. (in Chinese)
Citation: ZHU Yao-zhong, WANG Zi-qiang. Consideration in the Electromagnetic Design of Brushless DC Motor for Flight Control[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(3): 307-310. (in Chinese)

Consideration in the Electromagnetic Design of Brushless DC Motor for Flight Control

  • Received Date: 01 Dec 1998
  • Publish Date: 31 Mar 2000
  • Development of the electromechanical actuation system for use in primary flight controls is one of the major technologies in the path to an all-electric airplane. Brushless DC motor(BLDCM) is the key in this system. In BLDCM designs, the use of samarium cobalt magnet can significantly reduce motor mass and increase efficiency. Such motor output of a high torque has a low rotor inertia, and quick responsibility.The machine volume is mainly limited by heating and a rise in temperature which results from the losses in the stator, it is independent of magnetic energy of PM materials. On the other hand, the use of pulse width modulation(PWM) inverter for BLDCM leads to a high increase of core loss. This paper presents the major electromagnetic factors of BLDCM, taking into account PWM inverter source, specification, power/mass and peak torque/rotor inertia etc.

     

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  • [1] 胡学武.浅谈发展中的电传动力控制技术[J].航空科学技术,1994,(2):37~40 [2]Sawyer B, Edge J T. Design of samarium cobalt brushless DC motor for electromechanical actuator applications. Proc IEEE National Aerospace and Electronics Conference. NAECON,1977.1108~1112. [3]Prina S R. Consideration in the design of brushless DC motors. In:Kuo B C, ed. Proc 21th Annual synposium incremental motion control systems and devies. Illinois:Incremental Motion Control Systems Society, 1992. 1~16. [4]Binns K J. Use of canned rotors in high-field permanent magnet machines[J]. IEE Proc B, 1992,139(5):471~477. [5]Бут Д А. Бесконтактные электрические машины. М1:Высш шк,1990.31~32. [6]Hendershot Jr J R, Miller T J E. Design of brushless permanent magnet motors[M]. Hillsboro, OH:Magna Physics Pub,1994. [7]Boglietti A, Ferraris P, lazzari M, et al. About the possibility of defining a standard method for iron loss measurement in soft magnetic materials with inverter supply[J]. Trans IEEE-IA,1997,33(5):1283~1288.
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