| 摩托车前减震器随机激励下的响应分析 |
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| 引用本文： | 杨明朗,袁桃,孙勇.摩托车前减震器随机激励下的响应分析[J].南昌大学学报(工科版),2005,27(3):4-6. |
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| 作者姓名： | 杨明朗 袁桃 孙勇 |
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| 作者单位： | 南昌大学,工业设计系,江西,南昌,330029;南昌大学,机电工程学院,江西,南昌,330029 |
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| 基金项目： | 国家自然科学基金资助项目（59565001） |
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| 摘 要： | 对摩托车前减震器进行动态分析，建立动力学方程力学模型，对系统响应路面激励的联合马尔可夫转移密度函数分析并归一化求解，求出了函数的稳态解．通过变量逆变换得到系统的联合概率密度函数．当车速提高时振幅将降低，但振动频率将随着增加，振动强度并不一定减少．增加阻尼系数、减小导向座与减振柱的内径比可以有效缓冲振动．
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| 关 键 词： | 摩托车前减震器 随机振动 激励响应 |
| 文章编号： | 1006-0456（2005）03-0004-03 |
| 收稿时间： | 2004-01-14 |
| 修稿时间： | 2004年1月14日 |
Response Analysis of Front Shock Absorber of Motorcycle on Random Excitation |
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| YANG Ming-lang,YUAN Tao,SUN Yong.Response Analysis of Front Shock Absorber of Motorcycle on Random Excitation[J].Journal of Nanchang University(Engineering & Technology Edition),2005,27(3):4-6. |
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| Authors: | YANG Ming-lang YUAN Tao SUN Yong |
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| Affiliation: | YANG Ming-lang~a,YUAN Tao~b,SUN Yong~a |
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| Abstract: | Front shock absorber of motorcycle was analyzed in the non - linearly dynamical way and kinetic equation model was built up in this paper. United Marlcuff diversion density function of system responding to road surface excitation was resolved normally and the steady solution of the function was gotten. Accelerating the speed will accordingly reduce the swing, but the vibration frequency will correspondingly increase. The intensity of the vibration will not always be lowered. Raising damp modulus and reducing the ratio of oriented seat to damping pillar can absorb vibration effectively. |
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| Keywords: | front shock absorber of motorcycle random vibration excitation response |
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