不等精度测量结果的权系数确定方法研究

doi:10.3901/JME.2018.18.018

机械工程学报 ›› 2018, Vol. 54 ›› Issue (18): 18-22.doi: 10.3901/JME.2018.18.018

不等精度测量结果的权系数确定方法研究

黄富贵, 叶瑞芳, 崔长彩, 曾宪标, 赵保生

华侨大学机电及自动化学院厦门 361021

收稿日期:2017-08-05 修回日期:2018-01-09 出版日期:2018-09-20 发布日期:2018-09-20
通讯作者: 崔长彩(通信作者),女,1972年出生,博士,教授,博士研究生导师。主要研究方向为机械测试理论、方法与技术;复杂表面形貌测量方法与仪器;几何量标准的理论及应用技术研究。E-mail:cuichc@hqu.edu.cn
作者简介:黄富贵,男,1966年出生,教授,硕士研究生导师。主要研究方向为精密测量技术;误差理论;几何量计量测试。E-mail:hmm@hqu.edu.cn;叶瑞芳,女,1982年出生,博士,讲师。主要研究方向为表面形貌表征与测量技术;光电检测技术。E-mail:refance99@163.com
基金资助:
国家自然科学基金资助项目（51475176，51605171）。

Method for Determining Weight Coefficient of Unequal Precision Measurement Results

HUANG Fugui, YE Ruifang, CUI Changcai, ZENG Xianbiao, ZHAO Baosheng

College of Mechanical Engineering and Automation, Huaqiao University, Xiamen 361021

Received:2017-08-05 Revised:2018-01-09 Online:2018-09-20 Published:2018-09-20

摘要/Abstract

摘要： 不等精度测量在测量实践中普遍存在，其测量结果的表示方法因权系数确定不完备而存在不足。针对不等精度测量的测量结果表示方法中权系数确定不完备的缺陷，提出不等精度测量的权系数理论计算模型，即权系数由各影响测量结果因素的影响系数和对应影响测量结果因素的影响等级系数综合构成，同时提出由测量设备、测量方法、测量人员和测量环境等多影响因素导致的不等精度测量的影响系数和等级系数的确定准则，并给出由多影响因素导致的不等精度测量的权系数确定方法和测量结果表示方法，从而使不等精度测量结果表示方法更加完备。最后通过不等精度测量的测量试验和数据处理实例验证了方法的可行性。

关键词: 不等精度测量, 测量结果, 权系数, 影响因素

Abstract: Unequal precision measurement is ubiquity in measurement. However, the representation of Unequal precision measurement result is insufficient because of the incomplete determination of weight coefficient. In view of this problem, a theoretical calculation model of weight coefficient for unequal precision measurement is proposed. That is, the weight coefficient is composed of the influence coefficient of each factor affecting the measurement result and the influence grade coefficient of the corresponding factors affecting the measurement result. Criteria for determining the influence coefficients and grade coefficients of unequal precision measurements caused by multiple factors such as measurement equipment, measurement methods, surveyors, and measurement environments is presented. The representation method of measurement result and the method for determining the weight coefficient of unequal precision measurement caused by multiple influence factors are also given in this paper. So that the representation method of unequal precision measurement result becomes more complete. Feasibility of the model is verified by measurement experiments and data processing examples.

Key words: influence factors, measurement result, unequal precision measurement, weight coefficient

中图分类号:

黄富贵, 叶瑞芳, 崔长彩, 曾宪标, 赵保生. 不等精度测量结果的权系数确定方法研究[J]. 机械工程学报, 2018, 54(18): 18-22.

HUANG Fugui, YE Ruifang, CUI Changcai, ZENG Xianbiao, ZHAO Baosheng. Method for Determining Weight Coefficient of Unequal Precision Measurement Results[J]. Journal of Mechanical Engineering, 2018, 54(18): 18-22.

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不等精度测量结果的权系数确定方法研究

Method for Determining Weight Coefficient of Unequal Precision Measurement Results

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