| 非线性迟滞系统建模方法 |
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| 引用本文： | 李冬伟,白鸿柏,杨建春,刘英杰.非线性迟滞系统建模方法[J].机械工程学报,2005,41(10):205-209. |
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| 作者姓名： | 李冬伟 白鸿柏 杨建春 刘英杰 |
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| 作者单位： | 军械工程学院自行火炮教研室,石家庄,050003 |
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| 基金项目： | 武器装备重点基金资助项目(6140420)。 |
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| 摘 要： | 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-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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| 关 键 词： | 非线性迟滞 数学建模 参数识别 |
| 修稿时间： | 2004年10月18 |
MODELING OF A NONLINEAR SYSTEM WITH HYSTERESIS CHARACTERISTICS |
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| Li Dongwei,Bai Hongbai,Yang Jianchun,Liu Yingjie.MODELING OF A NONLINEAR SYSTEM WITH HYSTERESIS CHARACTERISTICS[J].Chinese Journal of Mechanical Engineering,2005,41(10):205-209. |
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| Authors: | Li Dongwei Bai Hongbai Yang Jianchun Liu Yingjie |
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| Abstract: | According to the modeling of a nonlinear system with hysteresis characteristics, indicate a new method. The model is constructed with higher order asymmetric rigidity force, viscous damping force and bilinear hysteretic force. From the parameters separated identification, establish the function relation between the parameters and the amplitude, frequency. The contrast result of the hysteresis curve of restoring force-displacement indicate that the model can describe thiskind of nonlinear vibration system's character better, the modeling and the parameter identification method is practical and effective. |
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| Keywords: | Hysteretic model Math modeling Parameters identification |
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