| 参数不确定非线性系统的分步变结构控制 |
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| 引用本文： | 潘海鹏,戴文战.参数不确定非线性系统的分步变结构控制[J].湖南科技大学学报(自然科学版),2004,19(4):64-66. |
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| 作者姓名： | 潘海鹏 戴文战 |
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| 作者单位： | 浙江理工大学自动化研究所，浙江理工大学自动化研究所 浙江杭州310033，浙江杭州310033 |
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| 摘 要： | 针对一类存在参数不确定性的反馈线性的非线性动态系统,通过构造两个滑模流形,给出了输出跟踪控制律.第一个滑模流形为误差跟踪的线性函数,用于构造一个"中间控制变量";第二个滑模流形为中间控制变量与其实际值之间的误差,通过设计一个变结构控制律使闭环系统的轨迹渐近趋于滑模区,对于所有滑模区上的轨迹,跟踪误差趋于零.参10.
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| 关 键 词： | 参数不确定性 非线性系统 分步变结构控制 滑模流形 |
| 文章编号： | 1672-9102(2004)04-0064-03 |
| 修稿时间： | 2004年2月20日 |
Staged variable structure control for nonlinear system with uncertain parameters |
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| PAN Hai-peng,DAI Wen-zhang.Staged variable structure control for nonlinear system with uncertain parameters[J].Journal of Hunan University of Science & Technology(Natural Science Editon),2004,19(4):64-66. |
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| Authors: | PAN Hai-peng DAI Wen-zhang |
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| Abstract: | According to a class of output trajectory control of nonlinear dynamical system,a state output variable feedback in the presence of parameter uncertainty was concerned.For the derivation of a control law,two staged sliding-mode surfaces was chosen.The first one,which was a linear function of the tracking error,its derivatives,and the integral of the tracking error was used to obtain the desired"middle control".The second one was the error between the desired"middle control"variable and its actual value.A variable structure control (VSC) law is derived such that in the closed-loop system the trajectory asymptotically converges to the bounded field of sliding-mode.For any trajectory evolving on this surface,the tracking error tends to zero.10refs. |
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| Keywords: | parameter uncertainties nonlinear system VSC sliding mode |
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