随机噪声模拟下机构部件磨损动态可靠性模型及其求解方法

doi:10.3969/j.issn.1000-1093.2014.12.025

兵工学报 ›› 2014, Vol. 35 ›› Issue (12): 2104-2108.doi: 10.3969/j.issn.1000-1093.2014.12.025

随机噪声模拟下机构部件磨损动态可靠性模型及其求解方法

张峰¹，南华^1,2，姚会举^1,3，吕程诚¹

(1.西北工业大学力学与土木建筑学院飞行器可靠性工程研究所，陕西西安 710129;

收稿日期:2014-02-18 修回日期:2014-02-18 上线日期:2015-02-06
作者简介:张峰（1982—），男，副教授
基金资助:
高等学校博士学科点专项科研基金项目(20136102120032)高等学校学科创新引智计划项目(B07050)西北工业大学基础研究基金项目(JC20100232)

Analysis of Dynamic Wear Reliability of Mechanism under Stochastic Noise

ZHANG Feng¹, NAN Hua^1,2, YAO Hui-ju^1,3, LYU Cheng-cheng¹

(1.Institute of Aircraft Reliability Engineering, School of Mechanics, Civil Engineering and Architecture,Northwestern Polytechnical University, Xi’an 710129, Shaanxi, China;2.Lanzhou Wanli Electro-mechanical Inc, Lanzhou 730700, Gansu, China;3.Jiangnan Institute of Electrical and Mechanical Design, Guiyang 550009, Guizhou, China)

Received:2014-02-18 Revised:2014-02-18 Online:2015-02-06

摘要/Abstract

摘要： 基于随机动力学理论，开展机构部件磨损动态可靠性的建模，推导了失效概率的求解方法。在机构部件传统磨损分析的基础上，引入白噪声、OU色噪声两种不同类型的随机项来模拟部件磨损过程的动态性和随机性，并以部件动态磨损量和容许磨损量建立磨损动态可靠性模型，推导了动态可靠性基于随机模拟方法和随机泰勒展开方法的求解公式。以某型飞机货桥锁机构为例开展部件磨损动态可靠性分析，验证了所提模型和方法的合理性。

关键词: 概率论, 机构, 磨损, 随机噪声, 动态可靠性, 失效概率

Abstract: A dynamic wear reliability model for a mechanism is established based on stochastic dynamics theory and the failure probability is estimated. On the basis of traditional wear analysis,

Key words: probability theory, mechanism, wear, stochastic noise, dynamic reliability, failure probability

中图分类号:

TB114.3

张峰，南华，姚会举，吕程诚. 随机噪声模拟下机构部件磨损动态可靠性模型及其求解方法[J]. 兵工学报, 2014, 35(12): 2104-2108.

ZHANG Feng, NAN Hua, YAO Hui-ju, LYU Cheng-cheng. Analysis of Dynamic Wear Reliability of Mechanism under Stochastic Noise[J]. Acta Armamentarii, 2014, 35(12): 2104-2108.

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随机噪声模拟下机构部件磨损动态可靠性模型及其求解方法

Analysis of Dynamic Wear Reliability of Mechanism under Stochastic Noise

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