基于可视嗅觉的光纤气味传感系统  

Smell-Seeing Fiber Optic Odor Sensing System

作　　者：薛育桂[1] 杨建华[1] 田宏[1] 

机构地区：[1]西北工业大学自动化学院,陕西西安710072

出　　处：《计算机测量与控制》2008年第10期1519-1521,共3页Computer Measurement &Control

基　　金：西北工业大学种子基金资助项目

摘　　要：系统基于可视嗅觉的原理,将可视嗅觉与光纤化学传感技术相结合,利用光纤远距离传输特性,研制出一套基于可视嗅觉的光纤气味传感系统;系统采用高亮发光二极管为光源,利用玻璃光纤传光束作为传光通路,设计了气体反应密封暗室和图像采集暗室,将USB接口的摄像头内置于图像采集暗室中,由计算机控制摄像头进行图像采集,利用采集的图像,应用模式识别算法对图像进行识别从而达到识别气体的目的;经实验验证,系统能够实现对气体的识别;系统结构简单,成本低,有广泛的应用前景。A fiber optic odor sensing system has been successfully developed based on smell-seeing. In the system, smell-seeing sensitive membrane is used as sensor and optic fiber as distant signal transmission medium. Optical source is LED. Sealed gas reaction chamber and picture acquisition dark box are designed. USB camera is placed in picture acquisition dark box and is controlled by computer to capture picture automatically. The captured picture is analyzed and identified using pattern recognition method. The experiment result shows that the system can recognize specified gases. The system has wide applications for its simple structure and low cost.

关 键 词：金属卟啉 可视嗅觉 玻璃光纤传光束 USB摄像头 

分 类 号：TP21[自动化与计算机技术—检测技术与自动化装置]