Research and analysis on uncertainty of position stabilization time of industrial robot

Home > Archive>Volume 46, Issue 8, 2023 >148-153

Research and analysis on uncertainty of position stabilization time of industrial robot
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                        Zhang ChangyaoZhang Changyao
1.Guangdong Testing Institute of Product Quality Supervision, Foshan 528300, China； 2.Key Laboratory of Safety of Intelligent Robots for State Market Regulation, Guangzhou 510670, China
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Wu QingfengWu Qingfeng
1.Guangdong Testing Institute of Product Quality Supervision, Foshan 528300, China； 2.Key Laboratory of Safety of Intelligent Robots for State Market Regulation, Guangzhou 510670, China
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Zhang QiuyiZhang Qiuyi
1.Guangdong Testing Institute of Product Quality Supervision, Foshan 528300, China； 2.Key Laboratory of Safety of Intelligent Robots for State Market Regulation, Guangzhou 510670, China
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Liu ZhongyiLiu Zhongyi
1.Guangdong Testing Institute of Product Quality Supervision, Foshan 528300, China； 2.Key Laboratory of Safety of Intelligent Robots for State Market Regulation, Guangzhou 510670, China
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Affiliation:1.Guangdong Testing Institute of Product Quality Supervision, Foshan 528300, China; 2.Key Laboratory of Safety of Intelligent Robots for State Market Regulation, Guangzhou 510670, China
Clc Number:TH115;TP242.2
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Abstract:

In view of the accuracy of the position stabilization time of industrial robots, enterprises and inspection institutions have been constantly studying and improving the detection methods. Through the comparative experiment of the laser tracker and the cable CompuGauge, the uncertainty measurement model is built, and the measurement repeatability, digital resolution, indication error and coordinate alignment are analyzed and evaluated using Class A and B methods. The expanded uncertainty of the laser tracker and CompuGauge are U1≈0.11 s and U2≈0.19 s respectively, and finally laser tracker；CompuGauge；position stabilization time；expanded uncertainty；|En|≈0.5. The experimental results show that the results of the laser tracker are more concentrated, stable, and more accurate, but are most affected by coordinate alignment, while CompuGauge is easy to operate, time-saving, independent of the robot model, but most affected by indication error.

Key words:laser tracker;CompuGauge;position stabilization time;expanded uncertainty;|En|

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Online: February 07,2024
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