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Volume 44 Issue 1
Jan.  2022
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WANG Kai, KONG Dejie, SONG Yueming, WANG Guohua, SHEN Honghai, WANG Hao. Design of a Three-Axis Turntable Servo Control Using Wirerope Transmission[J]. Infrared Technology , 2022, 44(1): 54-60.
Citation: WANG Kai, KONG Dejie, SONG Yueming, WANG Guohua, SHEN Honghai, WANG Hao. Design of a Three-Axis Turntable Servo Control Using Wirerope Transmission[J]. Infrared Technology , 2022, 44(1): 54-60.
shu

Design of a Three-Axis Turntable Servo Control Using Wirerope Transmission

  • 1.

    School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun 1300012, China

  • 2.

    Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

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  • Received Date: September 25, 2021
  • Revised Date: November 07, 2021
    Abstract
  • Aiming at the problem of nonlinear errors and external disturbances caused by wirerope transmission in an airborne platform directly affecting the imaging quality of platform cameras, we propose a control strategy using fuzzy adaptive feedforward compensation. First, the wirerope transmission mechanism and a high-precision DC servo motor were modeled, a friction model was established, and a fuzzy adaptive proportional-integral-derivative controller was introduced for the speed loop control loop of the turntable. Based on the principles of feedforward compensation, a feedforward compensation algorithm is proposed. A compound control strategy combining feedforward compensation with a fuzzy adaptive controller is also designed. MATLAB simulation results and experiments demonstrate that this compound strategy can effectively eliminate the jitter caused by aircraft vibration and wirerope nonlinearity. The stability accuracy of the turntable is increased from 1 to 0.2 mrad, which can significantly improve imaging quality.
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