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渐消卡尔曼滤波器的最佳自适应算法及其应用
引用本文:夏启军,孙优贤,周春晖.渐消卡尔曼滤波器的最佳自适应算法及其应用[J].自动化学报,1990,16(3):210-216.
作者姓名:夏启军  孙优贤  周春晖
作者单位:1.浙江大学
摘    要:本文依据卡尔曼滤波器在使用最佳增益时,其余差序列互不相关的性质,开发了一种新的 渐消滤波算法.该算法根据对象输出,在线自适应地调整遗忘因子,从而使滤波器在对象模型 存在误差或对象受到外扰时,仍收敛并保持最佳性.该算法已应用于造纸机控制,取得较好效 果.

关 键 词:卡尔曼滤波器    自适应滤波    状态估计    造纸机
收稿时间:1987-11-30

An Optimal Adaptive Algorithm for Fading Kalman Filter and its Application
Xia Qijun,Sun Youxian,Zhou Chunhui.An Optimal Adaptive Algorithm for Fading Kalman Filter and its Application[J].Acta Automatica Sinica,1990,16(3):210-216.
Authors:Xia Qijun  Sun Youxian  Zhou Chunhui
Affiliation:1.Zheijiang University
Abstract:A new fading filtering algorithm is developed based on the property of Kalman filter that the sequence of residuals is uncorrelated when the optimal gain is used. The algorithm adjusts the fading factor adaptively using measured outputs so as to improve the optimality and convergency of the Kalman filter when there exist model errors and/or when the plant is affected by unmeasurable external disturbances. The proposed algorithm has been applied to a paper-making machine control system and behaves satisfactorily.
Keywords:Kalman filter  adaptive filtering  state estimation  paper machine    
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