基于光纤光栅的新型车辆载重自动检测方法的研究

Study of New Type of Automatic Automotive Load Detecting Method Based on FBG

提出了一种适用于高速公路的新型车辆载重自动检测系统,该系统基于光纤布喇格光栅,利用光栅中心波长随外界压力呈线性变化的特性,通过检测光栅受到车辆压力后中心波长的漂移情况,可以检测出车辆的载重,并可对车辆进行实时不停车检测.系统具有测量精度高,抗电磁干扰能力强,检测效率高等优点.

A new type of automatic automotive load detecting system based on FBG was introduced for freeway. As the center wavelength of FBG was changed linearly under the external pressure, by detecting the changes of FBGs' center wavelength under the pressure of vehicle, the weight of the vehicle could be measured. This system could detect real-time and possess the advantages of high precision of detecting, anti-electromagnetic interference and high detecting efficiency.