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振动系统随机传递路径功率流分析 被引量:3

Powerflow of vibration transfer path systems with uncertain paths
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摘要 基于功率流理论、Kronecker代数、函数的二阶矩技术、摄动理论和概率统计方法,实用有效地提出了振动传递路径系统的随机功率流分析方法。在考虑工程中的不确定因素以后,在频域内清晰地描述了振动传递路径的随机功率流。 Based on the Kronecker algebra,the generalized second moment method,the perturbation theory,the probability and statistics. The powerflow of vibration transfer path systems with uncertain paths are solved. The random powerflow of multiple and/or multi-dimensional paths are described correctly and expressly in frequency range as uncertain factors are considered.
作者 赵群 张义民
出处 《机械设计与制造》 北大核心 2009年第6期104-105,共2页 Machinery Design & Manufacture
基金 国家高技术研究发展计划(2007AA04Z442)
关键词 功率流 振动 传递路径 随机 Powerflow Vibration Transfer path Transfer probability
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参考文献6

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二级参考文献4

  • 1P.Gardonio.Active isolation of structural vibration on a multiple degree of freedom system[J].Journal of Sound and Vibration,1997,207(1):61-93.
  • 2Song Kong-jie,Ji Lin.Power flow transmission of an asymmetrical flexible system excited by an off-center force[J].Chinese Journal of Mechanical Engineering,1999,12(3):183-187.
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