| 汽车非线性悬架系统共振特性的研究 |
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| 引用本文： | 冯霏,李凌轩,陈亚哲,闻邦椿.汽车非线性悬架系统共振特性的研究[J].东北大学学报(自然科学版),2010,31(3):415. |
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| 作者姓名： | 冯霏 李凌轩 陈亚哲 闻邦椿 |
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| 作者单位： | 东北大学,机械工程与自动化学院,辽宁,沈阳,110004;东北大学,机械工程与自动化学院,辽宁,沈阳,110004;东北大学,机械工程与自动化学院,辽宁,沈阳,110004;东北大学,机械工程与自动化学院,辽宁,沈阳,110004 |
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| 基金项目： | 国家自然科学基金资助项目(50535010) |
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| 摘 要： | 建立了车辆两自由度非线性动力学模型及包含悬架刚度立方非线性的运动微分方程,利用多尺度法求解系统的幅频响应特性.通过数值仿真,获得了主共振、超谐波共振、次谐波共振以及内组合共振条件下的非线性悬架系统在不同非线性参数时的幅频响应.根据所获得的规律,合理地选择悬架的非线性参数,可以避开系统可能出现的跳跃及分岔等不稳定现象,从而有效地控制车辆的振动.
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| 关 键 词： | 汽车悬架 非线性 共振特性 幅频特性 内组合共振 |
Research on Resonance Characteristics of Nonlinear Suspension System of Motor Vehicles |
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| FENG Fei,LI Ling-xuan,CHEN Ya-zhe,WEN Bang-chun.Research on Resonance Characteristics of Nonlinear Suspension System of Motor Vehicles[J].Journal of Northeastern University(Natural Science),2010,31(3):415. |
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| Authors: | FENG Fei LI Ling-xuan CHEN Ya-zhe WEN Bang-chun |
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| Institution: | School of Mechanical Engineering & Automation;Northeastern University;Shenyang 110004;China |
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| Abstract: | A 2-DOF nonlinear dynamic model was developed with a differential equation of motion involving cubic nonlinear stiffness given for motor vehicles and the amplitude-frequency response was solved by the method of multiple scales.A numerical simulation was done to reveal the amplitude-frequency response of the nonlinear suspension system involving different nonlinear parameters when there is a simultaneous coexistence including the main,superharmonic,subharmonic,and internal combination resonance.The results s... |
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| Keywords: | motor vehicle suspension nonlinearity resonance characteristics amplitude-frequency characteristics internal combination resonance |
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