Volume 37 Issue 12
Dec.  2012
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Fu Yongling, Zhang Weiwei, Ji Youzheet al. Dual-stage pressure control and efficiency analysis of motor-pump-valve coordinated control actuation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(12): 1552-1556,1584. (in Chinese)
Citation: Fu Yongling, Zhang Weiwei, Ji Youzheet al. Dual-stage pressure control and efficiency analysis of motor-pump-valve coordinated control actuation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(12): 1552-1556,1584. (in Chinese)

Dual-stage pressure control and efficiency analysis of motor-pump-valve coordinated control actuation system

  • Received Date: 06 Aug 2010
  • Publish Date: 30 Dec 2012
  • Based on the low efficiency and the significant heat loss of the aircraft actuating system, the relationship of pressure and efficiency was analyzed in the motor-pump-valve coordinated control actuation system. The method of the dual-stage pressure energy-saving control was proposed, that was, the different maximum pressures were set in the motor-pump and valve unit, and the control unit was determined by the requirement of the actuator system. The simulation and analysis were down by the AMESim software. The results indicate that the heat generated by the dual-stage pressure control system is only 27.9% and 34.1% of that generated by the high pressure valve control unit and the motor-pump separately. This method can obviously reduce the temperature increasing and heat losses of the system, the efficiency of the system can be improved, and consequently increase system life and maintain the security and reliability of the system.

     

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