| 一种新的离散时间系统的变结构控制方法 |
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| 引用本文： | 张益波,张井岗,陈志梅.一种新的离散时间系统的变结构控制方法[J].系统仿真学报,2002,14(11):1524-1527. |
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| 作者姓名： | 张益波 张井岗 陈志梅 |
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| 作者单位： | 太原重型机械学院自动化系,太原,030024 |
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| 基金项目： | 山西省青年科学基金项目资助(20021017) |
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| 摘 要： | 讨论了基于指数趋近律的变结构控制所存在的问题，分析了指数趋近律中参数的选择对系统状态的趋近特性造成的影响，提出了改进的离散变结构控制方案，该方案保证了系统状态在趋近过程中能够始终保持某一趋近特性，易于进行变结构控制设计，加快系统状态趋近速度的同时降低了抖振，仿真结果证明了该方案的有效性。
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| 关 键 词： | 离散时间系统 变结构控制 指数趋近律 趋近特性 |
| 文章编号： | 1004-731X(2002)11-1524-04 |
| 修稿时间： | 2002年1月21日 |
A New Variable Structure Control Scheme for Discrete-Time System |
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| ZHANG Yi-bo,ZHANG Jing-gang,CHEN Zhi-mei.A New Variable Structure Control Scheme for Discrete-Time System[J].Journal of System Simulation,2002,14(11):1524-1527. |
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| Authors: | ZHANG Yi-bo ZHANG Jing-gang CHEN Zhi-mei |
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| Abstract: | The problem of exponent reaching law is discussed. The effect of the parameter choices is analyzed and an improved discrete variable structure control scheme is developed. The scheme is able to make the states of system keep one reaching behavior, which is better for designing variable structure control, reach the sliding surface quickly and avoid the system chatting. With the help of this scheme, the sliding surface can be reached quickly and the system chattering can be decreased at the same time. Finally, the result of simulation shows that the scheme is effective. |
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| Keywords: | discrete-time system variable structure control exponent reaching law reaching behavior |
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