机械振动结构的ARMRX建模及模态参数识别
Mechanical Science and Technology（2005）
Abstract
由振动系统的运动方程建立了描述系统输入、输出和噪声特性的受控自回归滑动平均模型(ARMAX)。采用基于限定记忆的增广最小二乘算法估计其参数,克服了以往传统方法计算的复杂性,以及难以在线的缺点。仿真结果表明本文方法鲁棒性较好。
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Key words
ARMAX model,recursive extended least squares,vibrating system modeling
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