Robust Continuous-time Generalized Predictive Control for Large Time-delay System |
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Authors: | WEI Huan PAN Li-deng ZHEN Xin-ping |
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Institution: | Institute of Automation, Beijing University of Chemical Technology, Beijing 100029, China |
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Abstract: | A simple delay-predictive continuous-time generalized predictive controller with filter (F-SDCGPC) is proposed. By using modified predictive output signal and cost function, the delay compensator is incorporated in the control law with observer structure, and a filter is added for enhancing robustness. The design of filter does not affect the nominal set-point response, and it is more flexible than the design of observer polynomial. The analysis and simulation results show that the F-SDCGPC has better robustness than the observer structure without filter when large time-delay error is considered. |
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Keywords: | continuous-time generalized predictive control observer polynomial filter delay predictive robustness |
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