| 基于双长周期光纤光栅边缘滤波的FBG冲击监测系统研究 |
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| 引用本文： | 朱珠,俞阿龙,孙红兵.基于双长周期光纤光栅边缘滤波的FBG冲击监测系统研究[J].淮阴师范学院学报(自然科学版),2012,11(4):350-353. |
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| 作者姓名： | 朱珠 俞阿龙 孙红兵 |
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| 作者单位： | 淮阴师范学院物理与电子电气工程学院,江苏淮安,223300 |
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| 基金项目： | 江苏省产学研前瞻性联合研究项目，江苏省高校科研成果产业化推进项目，淮安市科技支撑计划项目 |
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| 摘 要： | 从长周期光纤光栅(LPFG)透射光谱和光纤布拉格光栅(FBG)解调原理角度,详细研究了LPFG透射光谱的边缘滤波特性,设计了一种基于双长周期双边缘滤波的FBG冲击监测系统方案,对该方案进行了冲击信号监测验证,采用电涡流传感系统对其进行验证.结果表明该系统对冲击信号具有较好的响应度和精确度,实验结果符合结构监测领域对冲击响应监测的需要,具有广泛的应用前景.
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| 关 键 词： | 长周期光纤光栅(LPFG) 光纤布拉格光栅(FBG) 解调 边缘滤波 冲击 |
The Study of FBG Impact Monitoring System based on a Double Edged LPFG Filter Wavelength Interrogation Technology |
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| ZHU zhu
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YU A-long
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SUN Hong-bing.The Study of FBG Impact Monitoring System based on a Double Edged LPFG Filter Wavelength Interrogation Technology[J].Journal of Huaiyin Teachers College(Natrual Science Edition),2012,11(4):350-353. |
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| Authors: | ZHU zhu YU A-long SUN Hong-bing |
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| Institution: | ZHU zhu,YU A-long,SUN Hong-bin(Department of Electronics and Electrical Engineering,Huaiyin Normal University,Huaian Jiangsu 223300,China) |
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| Abstract: | In respect of the transmission spectrum of LPFG and the wavelength interrogation technology for FBGs,we discussed the edged filter characteristic of a LPFG.On this basis,an impact monitoring system of FBG sensors based on a double edged LPFG filter wavelength interrogation technology was proposed.The developed system of impact signal monitoring were verified by a electro-eddy sensing system experimentally.The experimental results show fast responsivity and high accuracy that the system can be able to satisfy requirements of structure health monitoring with an extensive application prospect. |
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| Keywords: | long period fiber grating(LPFG) fiber bragg grating(FBG) demodulation technology edged filter impact signal monitoring |
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