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Reliability Analysis of Random Vibration Transmission Path Systems

机译：随机振动传递路径系统的可靠性分析

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摘要

The vibration transmission path systems are generally composed of the vibration source, the vibration transfer path, and the vibration receiving structure. The transfer path is the medium of the vibration transmission. Moreover, the randomness of transfer path influences the transfer reliability greatly. In this paper, based on the matrix calculus, the generalized secondmoment technique, and the stochastic finite element theory, the effective approach for the transfer reliability of vibration transfer path systems was provided. The transfer reliability of vibration transfer path system with uncertain path parameters including path mass and path stiffness was analyzed theoretically and computed numerically, and the correlated mathematical expressions were derived. Thus, it provides the theoretical foundation for the dynamic design of vibration systems in practical project, so that most random path parameters can be considered to solve the random problems for vibration transfer path systems, which can avoid the system resonance failure.
机译：振动传递路径系统通常​​由振动源，振动传递路径和振动接收结构组成。传递路径是振动传递的媒介。而且，传输路径的随机性极大地影响了传输可靠性。本文基于矩阵演算，广义第二矩技术和随机有限元理论，为振动传递路径系统的传递可靠性提供了有效的方法。对具有不确定路径参数（包括路径质量和路径刚度）的振动传递路径系统的传递可靠性进行了理论分析和数值计算，并推导了相关的数学表达式。因此，它为实际工程中振动系统的动态设计提供了理论基础，从而可以考虑大多数随机路径参数来解决振动传递路径系统的随机问题，从而避免了系统的共振失效。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第7期|6814547.1-6814547.6|共6页
  • 作者

    Zhao Wei; Zhang Yi-Min;

  • 作者单位

    Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Peoples R China;

    Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Peoples R China;

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