| 一类非线性系统的自适应预测控制 |
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| 引用本文： | 郭 健,陈庆伟,朱瑞军,胡维礼. 一类非线性系统的自适应预测控制[J]. 控制理论与应用, 2002, 19(1): 68-72 |
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| 作者姓名： | 郭 健 陈庆伟 朱瑞军 胡维礼 |
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| 作者单位： | 南京理工大学 自动化系 1002教研室, 南京 210094;南京理工大学 自动化系 1002教研室, 南京 210094;大连理工大学 信息与控制研究中心, 大连 116023;南京理工大学 自动化系 1002教研室, 南京 210094 |
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| 基金项目： | 国家自然科学基金(60174019和60034010)资助项目 |
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| 摘 要： | 针对一类非线性系统, 将其等价为时变线性系统, 然后用三次样条函数逼近时变系数, 利用梯度算法在线辨识多项式的系数以实现时变系统的参数估计, 最后运用广义预测控制策略, 实现了对原非线性系统的自适应预测控制. 仿真结果表明了所提方法的有效性.
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| 关 键 词： | 非线性系统 线性化 投影算法 广义预测控制 |
| 修稿时间： | 2001-02-09 |
Adaptive Predictive Control of a Class of Nonlinear System |
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| GUO Jian,CHEN Qingwei,ZHU Ruijun and HU Weili. Adaptive Predictive Control of a Class of Nonlinear System[J]. Control Theory & Applications, 2002, 19(1): 68-72 |
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| Authors: | GUO Jian CHEN Qingwei ZHU Ruijun HU Weili |
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| Affiliation: | Lab 1002,Department of Automation, Nanjing University of Science & Technology, Nanjing, 210094,P.R.China;Lab 1002,Department of Automation, Nanjing University of Science & Technology, Nanjing, 210094,P.R.China;Information and Control Research Center of Dalian University of Science & Technology, Dalian, 116023,P.R.China;Lab 1002,Department of Automation, Nanjing University of Science & Technology, Nanjing, 210094,P.R.China |
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| Abstract: | An adaptive predictive control is implemented for a class of nonlinear system by substituting it with a time_varying linear system firstly, then a group of cubic spline functions are used to approach the time_varying coefficients and gradient estimation algorithm is used to identify the invariable coefficients of the polynomial on_line. At last, generalized predictive control is designed for the original nonlinear system. The effectiveness of the presented method is demonstrated by the simulation results. |
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| Keywords: | nonlinear system linearization gradient algorithm generalized predictive control |
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