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Volume 39 Issue 5
May  2013
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Journal of Beijing University of Aeronautics and Astronautics  > 2013  >  39(5): 595-599.
Tu Yi, Xiao Xiang, Li Nanet al. Computer analysis of large-scale aircraft landing gear retraction and extension control system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(5): 595-599. (in Chinese)
Citation: Tu Yi, Xiao Xiang, Li Nanet al. Computer analysis of large-scale aircraft landing gear retraction and extension control system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(5): 595-599. (in Chinese)
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Computer analysis of large-scale aircraft landing gear retraction and extension control system

  • Shanghai Aircraft Design And Research Institute, Commercial Aircraft Corporation of China, Shanghai 201203, China

  • Received Date: 11 May 2012
  • Rev Recd Date: 26 Nov 2012
  • Publish Date: 31 May 2013
    Abstract
  • A variety of constraints and influence factors need to be considered in landing gear retraction and extension (R/E) control system design. System simulation platform is an important auxiliary method for the system design. The hydraulic accessories simulation models of large-scale aircraft landing gear control system were established based on the fluid system simulation software Flowmaster, and the system simulation model was constructed using the established component models. Analysis of the landing gear retraction process for normal flight state was conducted based on the present system simulation model, and impacts of the actuator size on system entry pressure requirement, hydraulic fluid flowrate and the gear retraction time were also provided. The simulation method can be used for the preliminary design of the landing gear R/E control system and the verification of system design for different flight conditions.

     

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