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Dynamic model building and simulation for mechanical main body of lunar lander

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Abstract

Focused on the dynamics problems of a lunar lander during landing process, the whole process was analysed in detail, and the linear elastic model of the moon soil was established by means of experiments-analogic method. Combining the way of elastic impact with the way of velocity replacement, the dynamics model of damping free vibration dynamics model with 3-degree of freedom(DOF) for lunar lander is obtained according to the vibration mechanics elementary theory. Based on Lagrange equations and the energy principle, the damping free vibration differential equations for the lunar lander with 3-DOF are derived and the equations are solved in simulation ways by means of ADAMS software. The conclusions obtained can be used for the design and manufacture of lunar lander.

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Authors and Affiliations

  1. School of Mechanical Engineering, Harbin Institute of Technology, 150001, Harbin, China

    Wang Shao-chun (Associate professor), Deng Zong-quan, Hu Ming & Gao Hai-bo

Authors
  1. Wang Shao-chun
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  2. Deng Zong-quan
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  3. Hu Ming
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  4. Gao Hai-bo
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Corresponding author

Correspondence to Wang Shao-chun.

Additional information

Foundation item: Project(50375032) supported by the National Natural Science Foundation of China; project (2001. 12) supported by Harbin Institute of Technology Foundation

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Wang, Sc., Deng, Zq., Hu, M. et al. Dynamic model building and simulation for mechanical main body of lunar lander. J Cent. South Univ. Technol. 12, 329–334 (2005). https://doi.org/10.1007/s11771-005-0155-1

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  • DOI: https://doi.org/10.1007/s11771-005-0155-1

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