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7 March 2019 Kinematics identification and measurement accuracy verification of articulated arm coordinate measuring machines
Sen Wang, Guanbin Gao, Jun Zhao, Jing Na, Wen Wang
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Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 1105327 (2019) https://doi.org/10.1117/12.2511790
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China
Abstract
The Articulated Arm Coordinate Measuring Machine (AACMM) is a kind of coordinate measuring devices in the form of an articulated robot. To improve the accuracy of AACMM, a kinematic identification method is presented in this paper. Firstly, we perform the kinematics modeling and simulation to realize the kinematic transformation from the joint space to the coordinate space. Then, we establish an error model and use least squares method to identify kinematic parameters. And the effectiveness of the least squares method for kinematic parameter identification is studied. Finally, the experiments of single point repeatability accuracy and the standard gauge accuracy are performed. The experimental results show that proposed the kinematic identification method can effectively improve the measurement accuracy of the joint coordinate measuring machine.
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Sen Wang, Guanbin Gao, Jun Zhao, Jing Na, and Wen Wang "Kinematics identification and measurement accuracy verification of articulated arm coordinate measuring machines", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 1105327 (7 March 2019); https://doi.org/10.1117/12.2511790
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KEYWORDS
Kinematics
Data acquisition
Mathematical modeling
Modeling and simulation
Reverse engineering
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