Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/120248
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Type: Conference paper
Title: An influence based error identification for kinematics calibration of serial robotic manipulators
Author: Patel, D.
Lu, T.
Chen, L.
Citation: Robotics and Mechatronics: Proceedings of the fifth IFToMM International Symposium on Robotics & Mechatronics (ISRM 2017), 2019 / Yang, R., Takeda, Y., Zhang, C., Fang, G. (ed./s), vol.72, pp.145-154
Publisher: Springer
Publisher Place: Switzerland
Issue Date: 2019
Series/Report no.: Mechanisms and Machine Science; 72
ISBN: 9783030176761
ISSN: 2211-0984
2211-0992
Conference Name: IFToMM International Symposium on Robotics & Mechatronics (ISRM) (29 Nov 2017 - 01 Dec 2017 : Sydney, Australia)
Statement of
Responsibility: 
D. A. Patel, T. F. Lu and L. Chen
Abstract: In serial robotic manipulators, due to the nature of the coupling of links, the influence of errors in joint parameters on pose accuracy varies with the configuration. Kinematics parameter’s error identification in the standard kinematics calibration has been configuration independent which does not consider the influence of kinematics parameter on robot tool pose accuracy for a given configuration. Mutually dependent joint parameter errors cannot be identified at the same time, and hence error of one parameter in each pair is identified. In a pair of mutually dependent joint parameters, the effect of error in one parameter on positional error can be more than the other one depending on the configuration. Therefore, the error detection may be incorrect if the influence of joint parameters is ignored during the error identification. This research analyses the configuration dependent influences of kinematics parameters error on pose accuracy of a robot. Based on the effect of kinematics parameters, the errors in the kinematics parameters are identified. Kinematics model of the robot is composed of the modified DH method and an improved DH method to avoid the limitations of the original DH method. First, the robot is calibrated to identify errors in 17 kinematics parameters conventionally, and then errors are detected based on the proposed method.
Keywords: Calibration; error identification; Kinematics; measurement; pose accuracy; serial robots
Rights: © Springer Nature Switzerland AG 2019
RMID: 0030116607
DOI: 10.1007/978-3-030-17677-8_12
Appears in Collections:Mechanical Engineering conference papers

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