A controller of robot constant force grinding based on proximal policy optimization algorithm

Qichao Wang, Linlin Chen, Qun Sun, Chong Wang and Yanxia Wei

PLOS ONE, 2025, vol. 20, issue 5, 1-17

Abstract: In order to solve the problems of high dependence on the accuracy of environmental model and poor environmental adaptability of traditional control methods, the robot constant force grinding controller that based on proximal policy optimization was proposed. Training the controller model between grinding force difference and end-effector compensation displacement using the proximal policy optimization algorithm. Complete compensation using robot inverse kinematics. In order to validate the algorithm, a simulation model of the grinding robot with perceivable force information is established. The simulation results demonstrate that the controller trained using this algorithm can achieve constant force grinding without setting up the environment model in advance and has some environmental adaptability.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0319440

DOI: 10.1371/journal.pone.0319440

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