A Markov regenerative process model for phased mission systems under internal degradation and external shocks

Li Xiang-Yu; Huang Hong-Zhong; Li Yan-Feng; Xiong Xiaoyan

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A Markov regenerative process model for phased mission systems under internal degradation and external shocks

机译：内部降解和外部冲击下相控使系统的马尔可夫再生过程模型

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Recently, phased mission systems (PMSs) have been widely studied due to their wide range of applications, such as man-made satellites or spacecraft. The lifetime of the PMSs can be separated into several phases, in which their tasks, system configurations, and failure criteria could be different. Meanwhile, the randomly occurred shocks, such as the space radiation from outer space, will cause additional wear and fatal damage on the electronic devices in these systems, which will obviously affect the system reliability. To consider these shocks' effect in the reliability modeling of the PMSs, a Markov regenerative process (MRGP) based model is proposed in this paper. Firstly, shock models for components and the basic conceptions of MRGP are introduced. Then, a simple cold standby system is used to show the proposed MRGP model for systems under mixed shocks. And a Monte Carlo simulation procedure is applied to verify the results. At last, by integrating the proposed MRGP model and the modular method for PMSs, the reliability of an AOCS in a spacecraft is assessed to show the proposed method.

机译：最近，阶段的使命系统（PMS）由于其广泛的应用而被广泛研究，例如人造卫星或航天器。 PMS的使用寿命可以分成多个阶段，其中它们的任务，系统配置和故障标准可能是不同的。同时，随机发生的冲击，例如来自外太空的空间辐射，将对这些系统中的电子设备造成额外的磨损和致命损坏，这显然会影响系统可靠性。为了考虑这些冲击在PMS的可靠性建模中的影响，本文提出了基于马尔可夫再生过程（MRGP）的模型。首先，介绍了组件的冲击模型和MRGP的基本概念。然后，使用简单的冷备系统来显示混合冲击下的系统的提议MRGP模型。并应用蒙特卡罗模拟程序来验证结果。最后，通过集成所提出的MRGP模型和PMS的模块化方法，评估航天器中AOC的可靠性以显示所提出的方法。

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来源
《Reliability Engineering & System Safety》 |2021年第11期|107796.1-107796.12|共12页
作者
Li Xiang-Yu; Huang Hong-Zhong; Li Yan-Feng; Xiong Xiaoyan;
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作者单位

Taiyuan Univ Technol Key Lab Adv Transducers & Intelligent Control Sys Minist Educ Taiyuan 030024 Peoples R China|Univ Elect Sci & Technol China Ctr Syst Reliabil & Safety Chengdu 611731 Peoples R China;

Univ Elect Sci & Technol China Ctr Syst Reliabil & Safety Chengdu 611731 Peoples R China|Univ Elect Sci & Technol China Sch Mech & Elect Engn Chengdu 611731 Peoples R China;

Univ Elect Sci & Technol China Ctr Syst Reliabil & Safety Chengdu 611731 Peoples R China|Univ Elect Sci & Technol China Sch Mech & Elect Engn Chengdu 611731 Peoples R China;

Taiyuan Univ Technol Key Lab Adv Transducers & Intelligent Control Sys Minist Educ Taiyuan 030024 Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Phased mission system; Dynamic behaviors; Markov regenerative process; Mixed random shocks; Altitude and orbit control system;

机译：逐步的任务系统;动态行为;马尔可夫再生过程;混合随机冲击;高度和轨道控制系统;

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A Markov regenerative process model for phased mission systems under internal degradation and external shocks

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