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Efficient Multiagent Policy Optimization Based on Weighted Estimators in Stochastic Cooperative Environments 被引量:1
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作者 Yan Zheng Jian-Ye Hao +2 位作者 zong-zhang zhang Zhao-Peng Meng Xiao-Tian Hao 《Journal of Computer Science & Technology》 SCIE EI CSCD 2020年第2期268-280,共13页
Multiagent deep reinforcement learning (MA-DRL) has received increasingly wide attention. Most of the existing MA-DRL algorithms, however, are still inefficient when faced with the non-stationarity due to agents chang... Multiagent deep reinforcement learning (MA-DRL) has received increasingly wide attention. Most of the existing MA-DRL algorithms, however, are still inefficient when faced with the non-stationarity due to agents changing behavior consistently in stochastic environments. This paper extends the weighted double estimator to multiagent domains and proposes an MA-DRL framework, named Weighted Double Deep Q-Network (WDDQN). By leveraging the weighted double estimator and the deep neural network, WDDQN can not only reduce the bias effectively but also handle scenarios with raw visual inputs. To achieve efficient cooperation in multiagent domains, we introduce a lenient reward network and scheduled replay strategy. Empirical results show that WDDQN outperforms an existing DRL algorithm (double DQN) and an MA-DRL algorithm (lenient Q-learning) regarding the averaged reward and the convergence speed and is more likely to converge to the Pareto-optimal Nash equilibrium in stochastic cooperative environments. 展开更多
关键词 deep REINFORCEMENT LEARNING MULTIAGENT system WEIGHTED double estimator LENIENT REINFORCEMENT LEARNING COOPERATIVE Markov game
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