Volume 39 Issue 4
Apr.  2013
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Fu Yongling, Long Manlin, Guo Dong, et al. Application of ADRC technology in simulator frequency response servo[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(4): 432-436. (in Chinese)
Citation: Fu Yongling, Long Manlin, Guo Dong, et al. Application of ADRC technology in simulator frequency response servo[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(4): 432-436. (in Chinese)

Application of ADRC technology in simulator frequency response servo

  • Received Date: 05 Apr 2012
  • Publish Date: 30 Apr 2013
  • In simulator frequency response servo, there are some difficulties, including disturbance compensation when low frequency or low speed, a sharp deterioration of phase lag and amplitude attenuation when high frequency, the problem of conventional control strategy depending on high precise object model heavily, etc. Active disturbance rejection control(ADRC) technology which doesn’t depend on object model was introduced to solve those difficulties. Active disturbance rejection controller was designed to online observe and compensate disturbance, and pre-processing unit was designed to compensate phase and amplitude. It was applied in frequency response servo of the simulator. The measured results of tracking frequency and swept frequency according to the "Double Ten" standard were greater than the acceptance criteria of the simulator. It is showed that ADRC technology introduced in simulator frequency response servo can effectively improve frequency response characteristics of simulator.

     

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