Volume 37 Issue 1
Jan.  2011
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Huang Zhi, Guo Hong, Wang Dayu, et al. Simulation and analysis of brushless DC motor double closed-loop control strategy[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(1): 72-75. (in Chinese)
Citation: Huang Zhi, Guo Hong, Wang Dayu, et al. Simulation and analysis of brushless DC motor double closed-loop control strategy[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(1): 72-75. (in Chinese)

Simulation and analysis of brushless DC motor double closed-loop control strategy

  • Received Date: 23 Nov 2009
  • Publish Date: 31 Jan 2011
  • Load disturbance exists in direct drive valve(DDV) servo system. Meanwhile conventional triplex closed-loop control structure cannot satisfy DDV servo system in rapidity. Therefore double closed-loop control structure was adopted. Position and velocity double closed-loop system was compared with position and current double closed-loop system. The optimal proportion integral coefficients could be obtained through the method of frequency domain analysis. The simulation results show that double closed-loop control systems perform well in static and dynamic operation. Meanwhile the influence of load disturbance can be reduced effectively. When the system has a small damping coefficient, position and velocity double closed-loop system performs better in load adaptability. Position and current double closed-loop system performs better in rapidity. The comparison between the simulation results and theoretical analysis shows a good agreement.

     

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