Evolutionary adaptive-critic methods for reinforcement learning

  • Authors:
  • Xin Xu;Han-gen He;Dewen Hu

  • Affiliations:
  • Dept. of Autom. Control, Nat. Univ. of Defense Technol., Changsha, China;Dept. of Autom. Control, Nat. Univ. of Defense Technol., Changsha, China;Dept. of Autom. Control, Nat. Univ. of Defense Technol., Changsha, China

  • Venue:
  • CEC '02 Proceedings of the Evolutionary Computation on 2002. CEC '02. Proceedings of the 2002 Congress - Volume 02
  • Year:
  • 2002

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Abstract

In this paper, a novel hybrid learning method is proposed for reinforcement learning problems with continuous state and action spaces. The reinforcement learning problems are modeled as Markov decision processes (MDPs) and the hybrid learning method combines evolutionary algorithms with gradient-based adaptive heuristic critic (AHC) algorithms to approximate the optimal policy of MDPs. The suggested method takes the advantages of evolutionary learning and gradient-based reinforcement learning to solve reinforcement learning problems. Simulation results on the learning control of an acrobot illustrate the efficiency of the presented method.