| 转子系统结构动力修改的灵敏度方法 |
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| 引用本文： | 杨萍.转子系统结构动力修改的灵敏度方法[J].兰州理工大学学报,1996(1). |
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| 作者姓名： | 杨萍 |
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| 作者单位： | 甘肃工业大学机械设计制造工程系 |
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| 摘 要： | 针对复杂的转子－轴承系统，提出了转子－轴承系统结构动力修改的灵敏度方法，以解决满足转子系统固有频率等设计要求的结构动力特性再设计问题。推导了非对称系统的特征灵敏度公式，并采用奇异值分解法求解结构参数修改量．
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| 关 键 词： | 转子结构动力分析，特征值，灵敏度，转子动力学，结构参数 |
Structural dynamic modification of rotor-bearing system by means of sensitivity |
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| Yang Ping.Structural dynamic modification of rotor-bearing system by means of sensitivity[J].Journal of Lanzhou University of Technology,1996(1). |
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| Authors: | Yang Ping |
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| Abstract: | A new method of structural dynamic modification of complex rotor-bearing system by means of sensitivity analysis is proposed. This method is used to solving redesignproblem of the structural dynamic characteristic to meet the needs for specificeigenfrequeney. A formula of eigenralue of sensitivity for asymmetric systems is developed.The corrections of structural parameters are also obtained using the method SVD. |
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| Keywords: | rotor structural dynamic analysis eigenralue sensitivity rotor dynamics structural characteristic |
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