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Research on motion planning of seven degree of freedom manipulator based on DDPG

  • Li-Lan Liu
  • , En-Lai Chen
  • , Zeng-Gui Gao
  • , Yi Wang
  • Shanghai University
  • University of Plymouth

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Citations (Scopus)

Abstract

For the motion control of the seven degree of freedom manipulator, there are many problems in the traditional inverse kinematics solution, such as high modeling skills, difficulty in solving the equation matrix, and a huge amount of calculation. In this paper, reinforcement learning is applied in seven degree of freedom manipulator. In order to cope with the problem of large state space and Continuous action in RL, the neural network is used to map the state space to the action space. The action selection network and the action evaluation network are constructed with the Actor-Critic framework. The action selection policy is learned by the training of RL based on DDPG. Finally, test the effectiveness of the method by Baxter robot in Gazebo simulator.

Original languageEnglish
Title of host publicationAdvanced Manufacturing and Automation VIII (IWAMA 2018)
PublisherSpringer
Pages356-367
ISBN (Electronic)9789811323751
ISBN (Print)9789811323744
DOIs
Publication statusPublished - 15 Dec 2018

Publication series

NameAdvanced Manufacturing and Automation VIII
Volume484
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Keywords

  • DDPG
  • Neural-network
  • Reinforcement learning
  • Actor-Critic

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