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针对工业过程的纯时滞系统的难控问题,采用观测器进行反馈控制,利用时滞因子的低阶近似模型及等价无静态传递函数的参数优化,提出一种线性时滞对象构造出降维观测器反馈控制系统,推导出反馈控制参数的计算方法,并给出时滞对象优化控制的算法,实现了大时滞对象控制稳定以及跟踪控制优化性能,最后有两个时滞对象优化控制的例子,滞后量大范围变化时实验结果表明了本文的优化控制方法在实际应用中的有效性。
Aiming at the difficult control of pure time-delay system in industrial process, the observer is used to control the feedback. Using the low-order approximation model of delay factor and the parameter optimization of equivalent static-free transfer function, Dimensional observer feedback control system, the calculation method of the feedback control parameters is deduced, and the algorithm of the optimal control of the time-delay object is given to realize the stability of the object control with large time delay and the performance of tracking control optimization. Finally, two object-oriented optimal control The experimental results show that the optimal control method in this paper is effective in practical application.