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Volume 40 Issue 9
Sep.  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(9): 1225-1230.
Zhang Peng, Fu Yongling, Guo Yanqing, et al. Design and analysis on dynamic characteristic of servo mechanism’s load simulation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1225-1230. doi: 10.13700/j.bh.1001-5965.2013.0571(in Chinese)
Citation: Zhang Peng, Fu Yongling, Guo Yanqing, et al. Design and analysis on dynamic characteristic of servo mechanism’s load simulation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1225-1230. doi: 10.13700/j.bh.1001-5965.2013.0571(in Chinese)
shu

Design and analysis on dynamic characteristic of servo mechanism’s load simulation system

doi: 10.13700/j.bh.1001-5965.2013.0571

  • School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 10 Oct 2013
  • Publish Date: 20 Sep 2014
    Abstract
  • In view of a load simulating problem of servo mechanism in launch vehicles, a new load simulator device was present, which could simulate the inertia, friction, elastic, servo mechanism mounting rigidity and flexibility characteristics of engine nozzle by the mechanical structures. The complete mathematical models of servo mechanism and load simulator device were constructed. The influence of inertia, elastic and flexible to multiple degrees of freedom was analyzed by simulation. A sweep frequency test of servo mechanism was made to repeat the dynamic characteristics of servo mechanism in practical work when some loads of load simulator device were adjusted in a certain range. The test results validate the reasonableness of the proposed design, which may be a reference for the design of load simulator device with multiple degrees of freedom property. Besides, the simulator has got an actual application.

     

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