Reliability model of aero-engine structural system

HONG Jie; ZHANG Zi; XU Xiao-li; MA Yan-hong

doi:10.13224/j.cnki.jasp.2016.08.014

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Reliability model of aero-engine structural system

更新时间：2026-07-07

- Reliability model of aero-engine structural system
- Vol. 31, Issue 8, Pages: 1897-1904(2016)
- 作者机构：
  
  1. 北京航空航天大学能源与动力工程学院,北京,100191
  2. 先进航空发动机协同创新中心,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2016.08.014
  CLC：
- Published：2016
- 稿件说明：
移动端阅览
洪杰, 张姿, 徐筱李, 马艳红. 航空发动机结构系统的可靠性模型[J]. 航空动力学报, 2016, 31(8): 1897-1904.

doi: 10.13224/j.cnki.jasp.2016.08.014
洪杰, 张姿, 徐筱李, 马艳红. 航空发动机结构系统的可靠性模型[J]. 航空动力学报, 2016, 31(8): 1897-1904. DOI： 10.13224/j.cnki.jasp.2016.08.014.

doi: 10.13224/j.cnki.jasp.2016.08.014 DOI：

摘要

为使航空发动机可靠性模型误差更小，对航空发动机传统可靠性模型进行误差分析，指出可靠性指标扩张的原因，建立了考虑航空发动机结构系统及其失效力学特征的基于结构系统失效模式的航空发动机可靠性模型，并给出了各层的可靠度计算方法.所建立的基于失效模式的航空发动机结构系统可靠性模型考虑了失效模式的相对独立性、时效性和失效率的时变性，可以避免重要失效模式的遗漏、可靠性指标的过度扩张等问题，具有较强的工程适用价值.

Abstract

In order to make the error of aero-engine reliability model smaller

error analysis was made for traditional aero-engine reliability model

the reason that reliability indexes over expand was pointed out

and the aero-engine reliability model based on failure modes in structural system considering aero-engine structural system and the failure mechanics characteristics was established. The reliability calculation method of each layer was given. Structural system reliability model of aero-engine based on failure modes

which considers relative independence

timeliness and time varying of failure rate

can avoid problems such as missing important failure modes and over expansion of reliability index

so it has great engineering application value.

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Related Institution

Ministry of Industry and Information Technology Key Laboratory of Aerospace Bearing Technology and Equipment，Harbin Institute of Technology

State Key Laboratory of Robotics and System，Harbin Institute of Technology

National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics,School of Energy and Power Engineering,Beijing University of Aeronautics and Astronautics

北京航空航天大学能源与动力工程学院

中国航天科技集团有限公司中国空间技术研究院北京卫星制造厂

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