| 一种准零刚度被动隔振系统的非线性共振响应分析 |
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| 引用本文： | 彭献,张施详.一种准零刚度被动隔振系统的非线性共振响应分析[J].湖南大学学报(自然科学版),2011,38(8):34-39. |
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| 作者姓名： | 彭献 张施详 |
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| 作者单位： | 湖南大学机械与运载工程学院,湖南长沙,410082 |
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| 基金项目： | 国家自然科学基金重点资助项目(11032004/A0202) |
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| 摘 要： | 分析了一种机构的负刚度特性和它与线性主弹簧并联后而成的隔振系统的准零刚度特性,推导了准零刚度被动隔振系统的主谐波共振、亚谐波共振和超谐波共振的幅频特性表达式.结果表明,机构的负刚度区域随弹簧的初始变形与杆长的比值增大而变宽；隔振系统的准零刚度区域随主弹簧的刚度与机构中的弹簧总刚度的比值以及机构中的弹簧初始变形与杆长的比...
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| 关 键 词： | 负刚度 准零刚度 非线性 共振响应 幅频特性 |
Nonlinear Resonance Response Analysis of a Kind of Passive Isolation System with Quasi-zero Stiffness |
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| PENG Xian,ZHANG Shi-xiang.Nonlinear Resonance Response Analysis of a Kind of Passive Isolation System with Quasi-zero Stiffness[J].Journal of Hunan University(Naturnal Science),2011,38(8):34-39. |
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| Authors: | PENG Xian ZHANG Shi-xiang |
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| Institution: | PENG Xian,ZHANG Shi-xiang(College of Mechanical and Vehicle Engineering,Hunan Univ,Changsha,Hunan 410082,China) |
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| Abstract: | The negative stiffness properties of a mechanism and the quasi-zero stiffness properties of a vibration isolation system of the mechanism after being merged into the linear main spring were analyzed.The main harmonic,sub-harmonic and super-harmonic resonance amplitude-frequency response expressions of passive isolation system with quasi zero stiffness were derived.The results have shown that the negative stiffness region broadens as the ratio of the initial deformation of the spring to the length of the bar... |
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| Keywords: | negative stiffness quasi zero stiffness nonlinear resonant responses amplitude frequency characteristics |
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