| 基于Haar 小波变换的连续时间系统鲁棒参数辨识 |
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| 引用本文： | 袁廷奇,刘文江.基于Haar 小波变换的连续时间系统鲁棒参数辨识[J].控制与决策,2000,15(3):297-300. |
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| 作者姓名： | 袁廷奇 刘文江 |
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| 作者单位： | 西安交通大学自控系,710049 |
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| 基金项目： | 国家自然科学基金项目!(6 98740 30 ) |
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| 摘 要： | 给出用Ｈａａｒ小波对连续时间系统的鲁棒辨识方法。该方法在用Ｈａａｒ小波对系统输入和输入展开时，通过极小化一个鲁棒指标来减少噪声对展开系数的影响。因此对连续时间系统可获得鲁棒参数估计。仿真结果表明了该算法的有效性。
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| 关 键 词： | Haar小波变换 系统辨识 连续时间系统 |
Continuous Time System Robust Identification Based on Haar Wavelet Method |
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| Yuan Tingqi,Liu Wenjiang.Continuous Time System Robust Identification Based on Haar Wavelet Method[J].Control and Decision,2000,15(3):297-300. |
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| Authors: | Yuan Tingqi Liu Wenjiang |
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| Abstract: | By introducing the Haar wavelet, the system input and output are first expanded Haar wavelet series. Then the continuous time model of the system can be got by means of least square method. Meanwhile considering the existence of perturbations, a robust identification method by minimizing a robust criterion to reduce the effect of noise is presented. So this method can obtain robust parameter estimation for continuous time system model and the simulation shows its effectiveness. |
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| Keywords: | Haar transform identification continuous time system |
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