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WANG Rong-rong, FANG An-an, FENG Qing. Application of novel two degree-of-freedom Smith predictive control in ATP servo systems[J]. LASER TECHNOLOGY, 2013, 37(5): 651-655. DOI: 10.7510/jgjs.issn.1001-3806.2013.05.019
Citation: WANG Rong-rong, FANG An-an, FENG Qing. Application of novel two degree-of-freedom Smith predictive control in ATP servo systems[J]. LASER TECHNOLOGY, 2013, 37(5): 651-655. DOI: 10.7510/jgjs.issn.1001-3806.2013.05.019
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Application of novel two degree-of-freedom Smith predictive control in ATP servo systems

  • College of Information Engineering, Nanchang University, Nanchang 330031, China

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  • Received Date: December 30, 2012
  • Revised Date: February 27, 2013
  • Published Date: September 24, 2013
    Graphical Abstract
    • Abstract
  • In order to improve the tracking accuracy of acquisition, tracking, pointing(ATP) control system for space optical communication, a novel two degree-of-freedom Smith predictive control was presented. Firstly, the ATP servo control system and novel two degree-of-freedom Smith predictive control system were analyzed. Then the simulation model was established by discussing the transfer function. Simulation was carried out with MATLAB software. Finally, the obtained result was compared with that of some conventional proportion-integral-derivative(PID)controllers, and the anti-interference and robustness of the method were measured. The simulation results show that the novel control method not only has the advantage of Smith predictor delay effective control,but also show the good match effect of incomplete derivative forward PID control and proportion-integral(PI) control. This method is a good solution to the instability caused by pure time delay, it also has better robustness and immunity.
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    • References (12)
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