| 离散时滞系统最优跟踪控制及应用 |
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| 引用本文： | 褚健,胡协和,钟锷,陈虹.离散时滞系统最优跟踪控制及应用[J].自动化学报,1995,21(1):25-32. |
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| 作者姓名： | 褚健 胡协和 钟锷 陈虹 |
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| 作者单位： | 1.渐江大学工业控制研究所,杭州; |
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| 基金项目： | 国家自然科学基金,浙江省自然科学基金 |
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| 摘 要： | 本文研究线性时滞离散时间系统的最优跟踪控制问题,首先针对具有控制时滞,且输入输
出之间具有前向直接通道的系统讨论,进而考虑一般多重时滞系统.本文利用线性二次型加
积分(LQI)的最优状态反馈控制理论实现负荷变化时的最优跟踪控制.文中研究了闭环系
统的稳定性及输出完全跟踪,并针对某针厂一无纺针热处理淬火炉,进行了温度跟踪控制的
仿真研究.仿真结果表明,本文提出的控制方案在温度给定值变化条件下能达到快速、小偏差
的跟踪效果.
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| 关 键 词： | 时滞系统 最优跟踪控制 LQI 负荷变化 工业电阻炉 |
| 收稿时间： | 1992-12-27 |
Optimal Tracking Control of Discrete Time-Delay Systems and its Application |
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| Chu Jian,Hu Xiehe,Zhong Er,Chen Hong.Optimal Tracking Control of Discrete Time-Delay Systems and its Application[J].Acta Automatica Sinica,1995,21(1):25-32. |
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| Authors: | Chu Jian Hu Xiehe Zhong Er Chen Hong |
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| Affiliation: | 1.Institute of Industrial Process Control,Zhejiang University Hangzhou;Jiansu Institute of Irrigation Works Yangzhou University |
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| Abstract: | This paper discusses the optimal tracking control of linear discrete time-delay systems. The system with control-time-delay and direct path between input and output variables is discussed first, and then a general form of time-delay systems is analysed. An extended state vector involed all the time-delay variables of the original system is constructed to get an extended new system without time-delay. Using the optimal feedback control theory of LQI, this paper gives optimal control tracking algorithm and the conditions of stability and exact tracking of close-loop systems. Finally, a simulation study on an industrial electric heater is carried out. The result shows that, in the situation of temperature setpoint changes, the optimal tracking control can result in fast exact tracking with small deviation. |
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| Keywords: | Time-delay systems optimal tracking control LQI load change industri al electric heater |
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