Abstract
Deep reinforcement learning (DRL) has been applied to solve challenging problems in robotic domains. However, since non-stationary of the environment and the difficulty of long-term interaction between robots, traditional DRL is poorly suitable for multi-robot. Thus, an enhanced deep deterministic policy gradient algorithm is proposed in this study to explore the application of DRL in multi-robot domains. The algorithm ensures a cooperation strategy for multi-robot, which merely uses partially observed state of each robot, named a partially observable Markov game, realize global optimality in executing process. It is achieved by eliminating non-stationary of the environment in training process and a centralized critic for decentralized multi-robot. Simulations with increasingly complex environments are performed to validate the effectiveness of the proposed algorithm.
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Acknowledgements
This work is supported by the projects of National Natural Science Foundation of China(No. 61603277, No. 61873192), the Key Pre-Research Project of the 13th-Five-Year-Plan on Common Technology (No. 41412050101), and Field Fund (No. 61403120407). Meanwhile, this work is also partially supported by the Fundamental Research Funds for the Central Universities, and the Youth 1000 program project. It is also partially sponsored by the Key Basic Research Project of Shanghai Science and Technology Innovation Plan (No. 15JC1403300), as well as the projects supported by China Academy of Space Technology, and Launch Vehicle Technology. All these supports are highly appreciated.
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Tang, Q., Zhang, J., Yu, F., Xu, P., Zhang, Z. (2019). Multi-robot Cooperation Strategy in a Partially Observable Markov Game Using Enhanced Deep Deterministic Policy Gradient. In: Tan, Y., Shi, Y., Niu, B. (eds) Advances in Swarm Intelligence. ICSI 2019. Lecture Notes in Computer Science(), vol 11656. Springer, Cham. https://doi.org/10.1007/978-3-030-26354-6_1
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