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This stroke is controlled by position when the foot end of the robot descends from the suspension to the ground. To avoid excessive contact force when the robot touches the ground, force control is carried out when the foot touches the ground. Due to the force and position control methods and control parameters of the hydraulic quadruped robots are different, the precise mathematical model for the joint position control and joint force control of the leg joints of the hydraulic quadruped robot is established using the system identification method. A fuzzy multi-model switching algorithm is proposed to solve the problem of jumping and jitter of system parameters in the process of force\/position switching. Through simulation and prototype experiments, fuzzy multi-model switching is compared with direct switching and multi-model switching, and the switching effect of the algorithm is verified.<\/jats:p>","DOI":"10.1177\/01423312241227096","type":"journal-article","created":{"date-parts":[[2024,2,12]],"date-time":"2024-02-12T04:13:16Z","timestamp":1707711196000},"page":"2024-2034","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Research on force\/position switching control of servo actuator for hydraulically driven joint robot"],"prefix":"10.1177","volume":"46","author":[{"given":"Bingwei","family":"Gao","sequence":"first","affiliation":[{"name":"School of Mechanical and Power Engineering, Harbin University of Science and Technology, 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