Volume 30 Issue 11
Nov.  2015
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Article Navigation >  Journal of Aerospace Power  > 2015  >  30(11): 2713-2720
LIAO Guang-huang, HUANG Jin-quan. Research on backup hydromechanical control plan of the turbo-shaft engine's control system[J]. Journal of Aerospace Power, 2015, 30(11): 2713-2720. doi: 10.13224/j.cnki.jasp.2015.11.020
Citation: LIAO Guang-huang, HUANG Jin-quan. Research on backup hydromechanical control plan of the turbo-shaft engine's control system[J]. Journal of Aerospace Power, 2015, 30(11): 2713-2720. doi: 10.13224/j.cnki.jasp.2015.11.020
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Research on backup hydromechanical control plan of the turbo-shaft engine's control system

doi: 10.13224/j.cnki.jasp.2015.11.020

  • 1. Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;

  • 2. Collaborative Innovation Center for Advanced Aero-Engine, Beijing 100191, China;

  • 3. Aviation Motor Control System Institute, Aviation Industry Corporation of China, Wuxi Jiangsu 214063, China

  • Received Date: 2014-04-08
  • Publish Date: 2015-11-28
    Abstract
  • Based on the research of the development and the maturity of turbo-shaft engine's control systems abroad, a control system scheme including a hydromechanical system as the backup was proposed. The module of backup hydromechanical control system could work synchronously with the digital control module, and switch to the main control system smoothly in case of failure of the digital control mode. This kind of design could achieve the function of backup control for the fuel and the compressor guide vane, and also guarantee the security for the engine's work and the return of helicopters. The design has been checked with the semi-physical simulation experiment and engine rig test after design and manufacturing. According to the verification result, the system has a control precision of ±0.5% for power turbin speed and precision of 4° for the guide vane, which insures the well application in engineering.

     

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