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有很多工业过程控制系统包含纯时延,克服纯时延是改善时延过程控制质量的一个关键性问题。本文综述自Smith提出的预估控制器以来,近30年内关于解决大时延系统的一系列控制方法。并着重介绍最近几年的研究成果,例如改进型Smith预估控制法;最优控制法;自适应控制法;以及有限谱配置设计方法。借助微计算机实现各种控制算法,可以有效地控制时延系统,论文最后对大时延系统的研究提出了小结和展望。
There are many industrial process control systems that include pure time delays and overcoming the pure delay is a key issue to improve the quality of process control over time delays. This article summarizes a series of control methods for solving large-delay systems in the past 30 years since the predictive controller proposed by Smith. And highlights the research results in recent years, such as improved Smith predictive control method; optimal control method; adaptive control method; and finite spectrum configuration design method. The realization of various control algorithms by micro-computer can effectively control the delay system. Finally, the dissertation gives a summary and prospect of the research on large-delay system.