| 内燃机曲轴扭转振动的优化动力修改 |
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| 引用本文： | 孙启国,狄杰建.内燃机曲轴扭转振动的优化动力修改[J].车用发动机,2010(5). |
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| 作者姓名： | 孙启国 狄杰建 |
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| 基金项目： | 教育部科学技术研究重点项目 |
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| 摘 要： | 利用集总参数法建立了曲轴扭转振动的运动方程,推导了计入结构参数的曲轴系统扭转振动的特征灵敏度公式,并给出了结构参数修改的优化模型。数值计算结果表明,根据此灵敏度公式和优化模型可更合理地确定结构参数的修改量,从而有效地进行曲轴系统的结构动力修改。
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| 关 键 词： | 曲轴 扭转振动 灵敏度 优化 动力修改 |
Optimal Dynamical Modification of ICE Crankshaft Torsional Vibration |
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| SUN Qi-guo,DI Jie-jian.Optimal Dynamical Modification of ICE Crankshaft Torsional Vibration[J].Vehicle Engine,2010(5). |
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| Authors: | SUN Qi-guo DI Jie-jian |
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| Abstract: | The motion equation of crankshaft torsional vibration was built with the lumped parameter method.The sensitivity formulas of torsional vibration characteristic with structural parameter were developed and the optimized model of structural parameters was put forward.The numerical results show that the correction of structural parameters can be completed more reasonably based on the sensitivity formulas and optimized model,therefore,the structural dynamic modification of crankshaft torsional vibration can be carried out effectively. |
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| Keywords: | crankshaft torsional vibration sensitivity optimization dynamic modification |
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