Volume 42 Issue 12
Jan.  2014
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Tang Shengjin, Guo Xiaosong, Si Xiaosheng, Wang Zhenye. Remaining useful life prediction of FOGs used for satellite based on Wiener process[J]. Infrared and Laser Engineering, 2013, 42(12): 3347-3352.
Citation: Tang Shengjin, Guo Xiaosong, Si Xiaosheng, Wang Zhenye. Remaining useful life prediction of FOGs used for satellite based on Wiener process[J]. Infrared and Laser Engineering, 2013, 42(12): 3347-3352.

Remaining useful life prediction of FOGs used for satellite based on Wiener process

  • Received Date: 2013-04-10
  • Rev Recd Date: 2013-05-12
  • Publish Date: 2013-12-25
  • Remaining useful life(RUL) prediction of the fiber-optic gyroscopes(FOG) working in the space environment is the key issue in health management of satellite. Among the literature about the reliability estimation of the FOGs based on degradation process, the current methods didn't consider the unit-to-unit variation of the equipments with the same type. Therefore, in this paper a random variable model based on Wiener process was presented to model the degradation process of the FOG for satellite. In the presented model, the drift parameter of the Wiener process was considered as a random variable to describe the unit-to-unit variation of different equipments, and the traditional Wiener process turns out to be its special case. Based on the model, the information of reliability and RUL can be obtained. The simulation results show that the proposed method can generate reasonably better results than the traditional model and thus can be potentially applied in practice.
  • [1] Yang Yuanhong, Shen Tong, Guo Jinjin. Fiber optic gyroscope technology and application[J]. Infrared and Laser Engineering, 2007, 36(5): 626-631. (in Chinese) 杨远洪, 申彤, 郭锦锦. 光纤陀螺技术及应用[J]. 红外与激光工程, 2007, 36(5): 626-631.
    [2] Wang Wei, Yang Qingsheng, Wang Xuefeng. Application of fiber-optic gyro in space and key technology[J]. Infrared and Laser Engineering, 2006, 35(5): 509-512. (in Chinese) 王巍, 杨清生, 王学锋. 光纤陀螺的空间应用及其关键术[J]. 红外与激光工程, 2006, 35(5): 509-512.
    [3] Ma Jing, Xin Bo. FOG reliability analysis based on space use environment[J]. Journal of Chinese Inertial Technology, 2006, 14(6): 81-85. (in Chinese) 马静, 辛波. 基于空间应用环境的光纤陀螺可靠性分析[J]. 中国惯性技术学报, 2006, 14(6): 81-85.
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    [5] Liu Dewen, Xiao Wen, Wei Bo. Mechanism of radiation effects on fiber optic gyros[J]. Acta Optica Sinica, 2008, 28(3): 419-422. (in Chinese) 刘德文, 肖文, 魏博. 光纤陀螺受辐照影响机理分析[J]. 光学学报, 2008, 28(3): 419-422.
    [6] Wang Xueqin, Zhang Chunxi, Jin Jing, et al. Radiation-induced attenuation effect on special optical fibers applied in space[J]. Infrared and Laser Engineering, 2011, 40(12): 2516-2520. (in Chinese) 王学勤, 张春熹, 金靖, 等. 空间用特种光纤的辐射致衰减效应[J]. 红外与激光工程, 2011, 40(12): 2516-2520.
    [7] Chao Daihong, Ma Jing, Chen Shuying, et al. Reliability assessment of FOGs used for satellite from degradation data[J]. Infrared and Laser Engineering, 2011, 40(9): 1763-1767. (in Chinese) 晁代宏, 马静, 陈淑英, 等. 基于性能退化的卫星用光纤陀螺可靠性评估[J]. 红外与激光工程, 2011, 40(9): 1763-1767.
    [8] Ma Jing, Yuan Dandan, Chao Daihong, et al. Accelerated storage life evaluation of FOG based on drift Brownian movement[J]. Journal of Chinese Inertial Technology, 2010, 18(6): 756-780. (in Chinese) 马静, 苑丹丹, 晁代宏, 等. 基于漂移布朗运动的光纤陀螺加速贮存寿命评估[J]. 中国惯性技术学报, 2010, 18(6): 756-780.
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Remaining useful life prediction of FOGs used for satellite based on Wiener process

  • 1. 202 Teaching and Researching Section,The Second Artillery Engineering University,Xi'an 710025,China;
  • 2. 302 Teaching and Researching Section,The Second Artillery Engineering University,Xi'an 710025,China

Abstract: Remaining useful life(RUL) prediction of the fiber-optic gyroscopes(FOG) working in the space environment is the key issue in health management of satellite. Among the literature about the reliability estimation of the FOGs based on degradation process, the current methods didn't consider the unit-to-unit variation of the equipments with the same type. Therefore, in this paper a random variable model based on Wiener process was presented to model the degradation process of the FOG for satellite. In the presented model, the drift parameter of the Wiener process was considered as a random variable to describe the unit-to-unit variation of different equipments, and the traditional Wiener process turns out to be its special case. Based on the model, the information of reliability and RUL can be obtained. The simulation results show that the proposed method can generate reasonably better results than the traditional model and thus can be potentially applied in practice.

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