Adaptive error weighting decoupling controller design for generalized predictive control
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摘要: 針對多變量耦合系統,提出了一種新的廣義預測解耦控制算法.通過廣義預測誤差權值自動調節以消除系統耦合引起的誤差,從而降低系統的耦合影響,提高系統性能.該方法與常規的多變量廣義預測控制算法相比,算法簡單,計算量小.本文所設計的算法被應用到熱軋帶鋼板形板厚控制系統中,仿真結果表明了該算法的有效性和正確性.Abstract: A control method based on generalized predictive control(GPC) was proposed for a multivariable coupling system,Error weights could be self-regulated in order to reduce interactions in the system and improve dynamic performances of coupling loops.Compared with the conventional multivariable generalized predictive,the proposed method is characteristic of simplicity and small computational burden.The algorithm was applied to an auto-shape control and auto-gauge control system(ASC-AGC),and simulation results demonstrate its efficiency and correctness.
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Key words:
- generalized predictive control /
- controller /
- decoupling /
- multivariable system
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