Hybrid Dynamic Control Algorithm for Humanoid Robots Based on Reinforcement Learning

  • Authors:
  • Duśko M. Katić;Aleksandar D. Rodić;Miomir K. Vukobratović

  • Affiliations:
  • Robotics Department, Mihajlo Pupin Institute, Belgrade, Serbia 11060;Robotics Department, Mihajlo Pupin Institute, Belgrade, Serbia 11060;Robotics Department, Mihajlo Pupin Institute, Belgrade, Serbia 11060

  • Venue:
  • Journal of Intelligent and Robotic Systems
  • Year:
  • 2008

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Abstract

In this paper, hybrid integrated dynamic control algorithm for humanoid locomotion mechanism is presented. The proposed structure of controller involves two feedback loops: model-based dynamic controller including impart-force controller and reinforcement learning feedback controller around zero-moment point. The proposed new reinforcement learning algorithm is based on modified version of actor-critic architecture for dynamic reactive compensation. Simulation experiments were carried out in order to validate the proposed control approach.The obtained simulation results served as the basis for a critical evaluation of the controller performance.