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针对一类具有持续扰动和输入约束的离散广义系统,研究其鲁棒预测控制器的设计问题.将输入状态稳定的概念引入广义系统预测控制,在quasi-min-max性能指标下,提出了广义系统双模鲁棒预测控制器的设计方法,证明了基于双模鲁棒预测控制器的闭环广义系统输入状态稳定,且具有正则、因果性.数值仿真结果验证了所提出方法的有效性.
For a class of discrete-time singular systems with continuous perturbations and input constraints, the design of robust predictive controllers is studied. The concept of input state stability is introduced into the predictive control of generalized systems. Based on the quasi-min-max performance index, The robustness of the system is proved by the design method of the dual-mode robust predictive controller. The results show that the input state of the closed-loop generalized system based on the two-mode robust predictive controller is stable and has regular and causality. Numerical simulation results show the effectiveness of the proposed method.