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本文提出一种具有时变大滞后系统的自校正控制算法。根据时滞变化的先验知识,扩展系统模型的 B(q~(-1))多项式,避免了对时滞的显式辨识。辨识数据直接用于综合控制器,使系统的闭环极点为任意配置。数字仿真结果表明,该算法鲁棒性好,调节器设计简单,可以消除时滞变化对系统输出的影响,是一种较理想的工程控制器.
In this paper, a self-tuning control algorithm with time-varying large lag system is proposed. According to the prior knowledge of time-varying changes, the B (q ~ (-1)) polynomial of the system model is extended to avoid the explicit identification of the time lag. The identification data is used directly in the integrated controller so that the closed-loop poles of the system are arbitrarily configured. The numerical simulation results show that the proposed algorithm is robust and has a simple controller design. It can eliminate the influence of delay variation on system output and is an ideal engineering controller.