Reliability Analysis of CFRP-Packaged FBG Sensors Using FMEA and FTA Techniques
Reliability Analysis of CFRP-Packaged FBG Sensors Using FMEA and FTA Techniques
复制标题
使用 FMEA 和 FTA 技术对 CFRP 封装 FBG 传感器进行可靠性分析
DOI:
10.3390/app112210859
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发表时间:
2021-11
影响因子:
2.7
通讯作者:
Li Fangyi
中科院分区:
文献类型:
--
作者:
Liu Zheng;Li Yongjie;Zhang Nan;Liang Zhongwei;Li Fangyi
Carbon fiber-reinforced plastics (CFRP)-packaged fiber Bragg grating (FBG) sensors are widely used in full-scale structural testing of wind turbine blades (WTBs). However, the specific process to make CFRP-packaged FBG sensors, such as packaging, bonding, welding, etc., are mainly manually operated, and no unified standard or rule has been formed yet. Non-standard specific processes, coupled with complex stress distribution, unstable working environments, etc., result in the CFRP-packaged FBG sensors having various failures with time, resulting in inaccurate measurements. Thus, the need to carry out related failure analysis is urgent. This paper therefore performed a reliability analysis for CFRP-packaged FBG sensors using failure mode and effects analysis (FMEA) and fault tree analysis (FTA) techniques. The results provide an important basis towards analyzing performance degradation and functional failures for CFRP-packaged FBG sensors.
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