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A calibration method of industrial robots based on ELM

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A calibration method for enhancing absolute position errors of industrial robots is presented by the paper. In this study, the ELM algorithm is utilized for error prediction. Firstly, the relationship between absolute position errors and robot joint angles is built by training samples. Then joint angles of positions to be predicted are provided to predict position errors based on the relationship. Besides, this paper compensates the position coordinates of the predicted positions. All processes implemented in the paper needn't to build the kinematic model. Finally, the experiment is carried out on the KUKA KR210 R2700 industrial robot. Experimental results indicate that the maximum of the spatial position errors is from 1.6866 mm to 0.3565 mm with the reduction of 78.86%, which verifies the method's effectiveness.

Original languageEnglish
Title of host publication2017 2nd International Conference on Advanced Robotics and Mechatronics, ICARM 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages70-75
Number of pages6
ISBN (Electronic)9781538632604
DOIs
StatePublished - 2 Jul 2017
Event2nd International Conference on Advanced Robotics and Mechatronics, ICARM 2017 - Hefei and Tai'an, China
Duration: 27 Aug 201731 Aug 2017

Publication series

Name2017 2nd International Conference on Advanced Robotics and Mechatronics, ICARM 2017
Volume2018-January

Conference

Conference2nd International Conference on Advanced Robotics and Mechatronics, ICARM 2017
Country/TerritoryChina
CityHefei and Tai'an
Period27/08/1731/08/17

Keywords

  • Absolute Position Errors
  • ELM
  • Error Compensation
  • Error Prediction
  • Industrial Robots

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