机动车前照灯检测仪发光强度示值误差测量结果的不确定度评定  

Indication Error of Luminous Intensity of Motor Vehicle Headlamp Detector Uncertainty Evaluation of Measurement Results

作　　者：贾继勇 周凌寒 廖春虎 JIA Ji-yong;ZHOU Ling-han;LIAO Chun-hu(National Automobile Quality Supervision and Tbst Center,Xiangyang 441004,China)

机构地区：[1]襄阳达安汽车检测中心有限公司,襄阳441004

出　　处：《汽车科技》2020年第6期23-26,共4页Auto Sci-Tech

摘　　要：本文依据JJF 1059.1-2012《测量不确定评定与表示》,详细介绍了不确定度的定义,并运用GUM法作为评定不确定度的基础步骤;不确定度中A类与B类的评定方法,综合标准不确定度与扩展不确定度的评定;综合分析了机动车前照灯检测仪检定中,对比分析各种左右发光强度测量的各种因素,对发光强度的测量结果进行不确定度的评定。Based on JJF 1059.1-2012"Evaluation and Expression of Uncertainty in Measurement",this article introduces the definition of uncertainty in detail,and uses the GUM method as the basic step to evaluate uncertainty;the evaluation methods of type A and type B in uncertainty,Comprehensive evaluation of standard uncertainty and expanded uncertainty;comprehensive analysis of various factors in the measurement of luminous intensity in the verification of motor vehicle headlamp detectors,and the uncertainty of the mcasurement results of luminous intensity asscssment.

关 键 词：前照灯检测仪 发光强度 不确定度评定 

分 类 号：U463.65[机械工程—车辆工程]