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非线性迟滞系统建模方法

Dongwei Li,Hongbai Bai,Jianchun Yang,Yingjie Liu

Chinese Journal of Mechanical Engineering（2005）

Cited 6|Views1
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Abstract
针对一类迟滞非线性系统的动力学建模,提出了一种新的建模方法.该模型用高次非对称弹性力、粘性阻尼力及双折线记忆恢复力的机理构造,识别时应先采用分离算法识别各刚度和阻尼系数,再建立其与振幅和频率的函数关系.用所建模型重构的恢复力一位移迟滞回线表明:该模型能很好地描述这类非线性振动系统的特性,提出的建模及参数识别方法实用且有效.
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Key words
hysteretic model math modeling parameters identification,nonlinear system
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