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光纤陀螺加速退化试验方法研究
袁慧铮,陈林华,陆俊清,李星善
0
(湖北航天技术研究院总体设计所;第二炮兵驻8602厂军事代表室)
摘要:
光纤陀螺作为日渐成熟、广泛应用的全固态、高可靠性惯性器件,其性能退化的规律已经成为当前各应用系统关注的热点。加速退化试验技术是解决高可靠长寿命产品的性能评估等工程领域问题的一种常用方法,可以在较短时间内对产品的寿命特征进行预测。从光纤陀螺自身的特点出发,选择标度因数稳定性和零偏稳定性作为衡量光纤陀螺性能保持期的主要指标。根据使用环境的具体要求,采用温度作为其加速应力,并对退化试验方法、数据处理方式以及加速方法的合理性进行了分析和论证。
关键词:  光纤陀螺  加速  退化  温度
DOI:
基金项目:
Research on Accelerated Degradation Method for Fiber Optic Gyro
YUAN Hui-zheng,CHEN Lin-hua,LU Jun-qing,LI Xing-shan
(The 9th Designing of China Aerospace Science Industry Crop;Military Representative Office of the Second Artillery Force in 8602 Factory)
Abstract:
Fiber optic gyros(FOG)are all-solid inertial sensors with high reliability.With its widely application,FOG’s performance degradation rule has become the focus of attention.Accelerated degradation method is an widely-used method to estimate the life of products with reliability and long life.The method could predict the life of the product based on the available sample data in a shorter time.The scale factor and bias stability of FOG are chosen as the performance parameters.According to the specific requirements of the operating environment,temperature is taken as the acceleration stress.The degradation method,data processing method and the rationality of the accelerated method are discussed and demonstrated.
Key words:  Fiber optic gyro  Acceleration  Degradation  Temperature

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