Title
Path Planning for Multi-Arm Manipulators Using Deep Reinforcement Learning: Soft Actor-Critic with Hindsight Experience Replay.
Abstract
Since path planning for multi-arm manipulators is a complicated high-dimensional problem, effective and fast path generation is not easy for the arbitrarily given start and goal locations of the end effector. Especially, when it comes to deep reinforcement learning-based path planning, high-dimensionality makes it difficult for existing reinforcement learning-based methods to have efficient exploration which is crucial for successful training. The recently proposed soft actor-critic (SAC) is well known to have good exploration ability due to the use of the entropy term in the objective function. Motivated by this, in this paper, a SAC-based path planning algorithm is proposed. The hindsight experience replay (HER) is also employed for sample efficiency and configuration space augmentation is used in order to deal with complicated configuration space of the multi-arms. To show the effectiveness of the proposed algorithm, both simulation and experiment results are given. By comparing with existing results, it is demonstrated that the proposed method outperforms the existing results.
Year
DOI
Venue
2020
10.3390/s20205911
SENSORS
Keywords
DocType
Volume
path planning,multi-arm manipulators,reinforcement learning,soft actor-critic (SAC),hindsight experience replay (HER),collision avoidance
Journal
20
Issue
ISSN
Citations 
20
1424-8220
3
PageRank 
References 
Authors
0.51
0
5
Name
Order
Citations
PageRank
Evan Prianto130.51
MyeongSeop Kim230.51
Jae-Han Park3318.60
Ji-hun Bae413419.83
Jung-Su Kim530.51