Analysis and Compensation of Equivalent Diameter Error of Articulated Arm Coordinate Measuring Machine

IF 1.3 4区 计算机科学 Q4 AUTOMATION & CONTROL SYSTEMS
Luo Zai, Liu Hui, Li Dong, Tian Kun
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引用次数: 4

Abstract

As a key part of the articulated arm coordinate measuring machine, the probe can determine the measurement accuracy. Therefore, the error source and influencing factors of the equivalent diameter of the probe are studied. First, the influence of the primary factor of the measuring force on the equivalent diameter of the probe is studied by analyzing the influence degree of its error source. Second, a mathematical model of the relationship between the equivalent diameter and the measuring force of the articulated arm coordinate measuring machine is built to compensate for the equivalent diameter error caused by the measuring force by the simulated annealing method. To illustrate the application advantage of our proposed study, a simple force-measuring device is designed based on this model. The experimental result shows that the maximum error reduction is approximately 43 µm, while the average error reduction ranges from 33 to 4.0 µm, which represents an 87.7% improvement. Overall, our proposed method can ...
关节臂三坐标测量机等效直径误差分析与补偿
测头作为关节臂三坐标测量机的关键部件,决定着测量精度。为此,对探头等效直径的误差来源及影响因素进行了研究。首先,通过分析测力误差源的影响程度,研究了测力主要因素对测头等效直径的影响。其次,建立了铰接臂三坐标测量机等效直径与测量力之间关系的数学模型,利用模拟退火法补偿了测量力造成的等效直径误差;为了说明我们所提出的研究的应用优势,基于该模型设计了一个简单的力测量装置。实验结果表明,最大误差减小幅度约为43µm,平均误差减小幅度为33 ~ 4.0µm,提高了87.7%。总的来说,我们提出的方法可以…
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来源期刊
Measurement & Control
Measurement & Control 工程技术-仪器仪表
自引率
10.00%
发文量
164
审稿时长
>12 weeks
期刊介绍: Measurement and Control publishes peer-reviewed practical and technical research and news pieces from both the science and engineering industry and academia. Whilst focusing more broadly on topics of relevance for practitioners in instrumentation and control, the journal also includes updates on both product and business announcements and information on technical advances.
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