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基于自适应滤波前馈控制的结构振动抑制研究 被引量:4

Study of Structure Vibration Suppression Based on Adaptive Filter Feedforward Control
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摘要 采用自适应滤波前馈方法对压电智能结构悬臂梁进行振动控制。分别研究了常用LMS自适应算法及其改进型NLMS算法在振动主动控制中的应用,并对两种算法的性能进行了比较。理论分析和仿真结果表明,自适应滤波前馈控制能够有效的控制悬臂梁的振动,基于NLMS算法比基于LMS算法的前馈控制具有更快的响应速度和更小的稳态误差。 Using adaptive filter feedforward method to control the vibration of intelligent piezoelectric structure cantilever beam. The commonly used adaptive LMS algorithm and its improved form NLMS algorithm were studied and the performances of the two algorithms were compared. Theoretical analysis and simulation results show that adaptive filter feedforward control can effectively suppress the vibration of the beam and the feedforward control based on NLMS algorithm has faster response speed and smaller steady - state error than based on LMS algorithm.
出处 《电气自动化》 2012年第3期5-6,9,共3页 Electrical Automation
关键词 前馈控制 振动抑制 悬臂梁 自适应滤波 Feedforward control Vibration control Cantilever beam Adaptive filter
作者简介 【作者简介】缑新科(1966-),男,甘肃天水人,硕士,教授,硕士研究生导师;主要研究方向:智能结构及其动力学系统控制。 管佩刚(1986-),男,山东潍坊人,在读硕士研究生;研究方向:智能结构及其动力学系统控制。
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共引文献103

同被引文献32

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