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基于红外阵列传感器的数据融合技术
引用本文:李 琦,吴军军,梁炎明,宋念龙,邓毅.基于红外阵列传感器的数据融合技术[J].传感技术学报,2011,24(4):548-553.
作者姓名:李 琦  吴军军  梁炎明  宋念龙  邓毅
作者单位:西安理工大学自动化与信息工程学院,西安,710048
摘    要:电站锅炉空气预热器存在二次燃烧现象,现有检测技术还存在一些问题.针对这些问题,本设计采用基于红外阵列的多个红外传感器同时检测空气预热器温度,根据空气预热器的温度分布规律以及运用数据融合技术来判定火灾.首先根 据多传感器的检测值,自动建立空气预热器内部的温度分布规律模型,并在运行过程中对温度分布模型进行自我调节与修正.最...

关 键 词:空气预热器  D-S证据理论  数据融合

he Data Fusion Technology Based on the Infrared Array Sensor
LI Qi,WU Junjun,LIANG Yanming,SONG Nianlong,DENG Yi.he Data Fusion Technology Based on the Infrared Array Sensor[J].Journal of Transduction Technology,2011,24(4):548-553.
Authors:LI Qi  WU Junjun  LIANG Yanming  SONG Nianlong  DENG Yi
Affiliation:(Faculty of Information and Automation Engineering,Xi’an University of Technology,Xi’an 710048,China)
Abstract:Power plant boiler air preheater exists secondary burning phenomenon,but the existing detection technology is still not without some problems.To solve these problems,the design uses a number of infrared sensors to construct an infrared sensor array and detect an air pre-heater ’ s temperature at the same time.In accordance with its temperature distribution fire points can be determined by using the data fusion theory.Firstly,according to the detecting values of the multi-sensor the system was enabled to automatically find the rules of the temperature distributions of the air pre-heater.And it can automatically adjust the temperature distribution model in the testing process.Finally,the D-S evidence theory was used to detect the fire location and extent.With fast response and high reliability,the threshold alarm ’ s shortcomings and mobile device ’ s problem had been overcome.The system also has self-diagnosis and self-adaptive capabilities.When a sensor fails,it will give the corresponding alarm signal,and adjust the specific fusion method according to the failure.
Keywords:Air preheater  D-S evidential theory  Data fusion
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