一种高低温度场下星上活动部件寿命评估方法  

A Method for Life Evaluation of Moving Parts on the Satellite under High and Low Temperature Field

作　　者：韩慧超 代永德 石士进[1] 栾家辉[1] 朱兴高[1] HAN Hui-chao;DAI Yong-de;SHI Shi-jin;LUAN Jia-hui;ZHU Xing-gao(China Astronautics Standards Institute,Beijing 100071)

机构地区：[1]中国航天标准化与产品保证研究院,北京100071

出　　处：《环境技术》2020年第4期95-98,共4页Environmental Technology

摘　　要：二维指向机构是卫星上关键活动部件之一,高低温循环试验是活动部件普遍开展的研制试验项目,本文对适用于高低温度场下评估活动部件寿命的加速模型进行了研究,阐述了Coffin-Masson模型的理论依据和工程应用方法,并利用轴承组件试验数据给出了一个二维指向机构寿命评估示例,结果表明该方法是一种高低温度场下评估活动部件寿命的有效方法。Two-dimensional pointing mechanism is one of the key moving parts on the satellite.The high and low temperature cycle test is a development project required for moving parts generally.In this paper,an accelerated model suitable for evaluating the life of moving parts under high and low temperature fields is studied.This article explains the theoretical basis and engineering application method of the Coffin-Masson model,and uses the bearing component test data to give a two-dimensional pointing mechanism life assessment example.The results show that this method is an effective method to evaluate the life of moving parts under high and low temperature fields.

关 键 词：二维指向机构 高低温场 Coffin-Masson模型 寿命评估 

分 类 号：TN306[电子电信—物理电子学]