| FBG传感技术在智能车流量检测系统中的应用 |
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| 引用本文： | 杨龙,马岚,黄笑宇,陈雷,刘丹.FBG传感技术在智能车流量检测系统中的应用[J].光电技术应用,2009,24(5):30-33. |
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| 作者姓名： | 杨龙 马岚 黄笑宇 陈雷 刘丹 |
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| 作者单位： | 北京交通大学电子信息工程学院,北京,100044 |
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| 摘 要： | 探讨了光纤布拉格光栅（FBG）传感技术在公路交通流量检测监视系统中的应用和FBG应力传感中温度交叉敏感的问题.首先从理论上分析了光纤光栅传感器的结构和原理,然后通过实验研究并搭建实验系统,经反复测试最终取得了理想的实验结果.利用不同车型的数次过车实验,证明该识别系统识别准确率达100%,且该系统不怕潮湿、粉尘、抗电磁干扰,有望替代现有的电类产品,在工程实践中获得广泛应用.
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| 关 键 词： | 光纤布拉格光栅 传感器 波长漂移 |
Application of Fiber Bragg Grating Sensing Technology in Intelligent Traffic Detection System |
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| YANG Long,MA Lan,HUANG Xiao-yu,CHEN Lei,LIU Dan.Application of Fiber Bragg Grating Sensing Technology in Intelligent Traffic Detection System[J].Electro-Optic Technology Application,2009,24(5):30-33. |
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| Authors: | YANG Long MA Lan HUANG Xiao-yu CHEN Lei LIU Dan |
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| Affiliation: | YANG Long,MA Lan,HUANG Xiao-yu,CHEN Lei,LIU Dan(School of Electronic and Information Engineering,Beijing Jiaotong University,Beijing 100044,China) |
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| Abstract: | The application of fiber Bragg grating(FBG) sensing technology in traffic detection system and the problem of the temperature cross sensitivity in FBG strain sensing were discussed.The structure and principle of the FBG sensor were theoretically analyzed,and the experiment system was constructed through making experiment investigation,the ideal experiment results were ultimately obtained after many tests.Several experiments on different types of vehicles proved that the accuracy rate of the identification s... |
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| Keywords: | fiber Bragg grating sensor wavelength shift |
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