{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,30]],"date-time":"2025-12-30T08:48:28Z","timestamp":1767084508015,"version":"3.41.2"},"reference-count":64,"publisher":"Emerald","issue":"5","license":[{"start":{"date-parts":[[2023,6,6]],"date-time":"2023-06-06T00:00:00Z","timestamp":1686009600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IR"],"published-print":{"date-parts":[[2023,8,9]]},"abstract":"\nPurpose<\/jats:title>\nDue to dynamic model is the basis of realizing various robot control functions, and it determines the robot control performance to a large extent, this paper aims to improve the accuracy of dynamic model for n<\/jats:italic>-Degree of Freedom (DOF) serial robot.<\/jats:p>\n<\/jats:sec>\n\nDesign\/methodology\/approach<\/jats:title>\nThis paper exploits a combination of the link dynamical system and the friction model to create robot dynamic behaviors. A practical approach to identify the nonlinear joint friction parameters including the slip properties in sliding phase and the stick characteristics in presliding phase is presented. Afterward, an adaptive variable-step moving average method is proposed to effectively reduce the noise impact on the collected data. Furthermore, a radial basis function neural network-based friction estimator for varying loads is trained to compensate the nonlinear effects of load on friction during robot joint moving.<\/jats:p>\n<\/jats:sec>\n\nFindings<\/jats:title>\nExperiment validations are carried out on all the joints of a 6-DOF industrial robot. The experimental results of joint torque estimation demonstrate that the proposed strategy significantly improves the accuracy of the robot dynamic model, and the prediction effect of the proposed method is better than that of existing methods.<\/jats:p>\n<\/jats:sec>\n\nOriginality\/value<\/jats:title>\nThe proposed method extends the robot dynamic model with friction compensation, which includes the nonlinear effects of joint stick motion, joint sliding motion and load attached to the end-effector.<\/jats:p>\n<\/jats:sec>","DOI":"10.1108\/ir-12-2022-0322","type":"journal-article","created":{"date-parts":[[2023,6,5]],"date-time":"2023-06-05T07:09:26Z","timestamp":1685948966000},"page":"814-829","source":"Crossref","is-referenced-by-count":2,"title":["A nonlinear robot joint friction compensation method including stick and sliding 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