2自由度積分型コントローラのパラメトリゼーションに基づく一般化予測制御系の設計

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タイトル別名
  • A Design Method of Generalized Predictive Control System Based on Parametrization of Two-degree-of-freedom Integral Controllers
  • 2ジユウド セキブンガタ コントローラ ノ パラメトリゼーション ニ モトズク

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A new design method for a generalized predictive control (GPC) based on a parametrization of two-degree-of-freedom integral controllers has been proposed. The objective is to guarantee the stability of the control system without the dependence on the design parameters and to achieve the low sensitivity against the perturbation of the plant and the disturbance. The design procedure consists of two steps. First, we design a basic integral controller for a nominal plant using the LQG (Linear Quadratic Gaussian) method and parametrize a class of two-degree-of-freedom stabilizing controllers. Next, we tune the feedforward controller to incorporate the GPC method into our control structure. A numerical example is presented to show the effectiveness of the proposed method by comparing with the conventional GPC.

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