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DU Hui-liang, HUANG Shi-lin, ZHANG Jin-huan. THE BUFFER FORCE DESIGN OF A SEAT-BUFFER LANDING SYSTEM IN MANNED SPACECRAFT[J]. Engineering Mechanics, 2005, 22(5): 231-235.
Citation: DU Hui-liang, HUANG Shi-lin, ZHANG Jin-huan. THE BUFFER FORCE DESIGN OF A SEAT-BUFFER LANDING SYSTEM IN MANNED SPACECRAFT[J]. Engineering Mechanics, 2005, 22(5): 231-235.
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THE BUFFER FORCE DESIGN OF A SEAT-BUFFER LANDING SYSTEM IN MANNED SPACECRAFT

  • State Key Lab of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China

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  • Received Date: September 14, 2003
  • Revised Date: April 11, 2004
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    • Abstract
  • A typical dynamic model of vertical landing impact for the seat-buffer system in manned spacecraft is set up.The requirements of buffer force characteristic for different landing conditions are also discussed.To overcome the flaws of single-force threshold,a design and analysis method of multi-segment force buffers is presented.An example of three-segment force in typical conditions is given.Results indicate that the buffer characteristic could be optimized by the adjustable threshold method so as to satisfy the restrictions and requirements of acceleration,acceleration derivative,threshold and distance under different circumstances.An optimized threshold design is available by the consideration of various factors,and more conditions can be satisfied by multi-segment force design.
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