Distributed Reinforcement Learning for Robot Teams: A Review
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Abstract (arXiv)
Purpose of review: Recent advances in sensing, actuation, and computation have opened the door to multi-robot systems consisting of hundreds/thousands of robots, with promising applications to automated manufacturing, disaster relief, harvesting, last-mile delivery, port/airport operations, or search and rescue. The community has leveraged model-free multi-agent reinforcement learning (MARL) to devise efficient, scalable controllers for multi-robot systems (MRS). This review aims to provide an analysis of the state-of-the-art in distributed MARL for multi-robot cooperation. Recent findings: Decentralized MRS face fundamental challenges, such as non-stationarity and partial observability. Building upon the "centralized training, decentralized execution" paradigm, recent MARL approaches include independent learning, centralized critic, value decomposition, and communication learning approaches. Cooperative behaviors are demonstrated through AI benchmarks and fundamental real-world robotic capabilities such as multi-robot motion/path planning. Summary: This survey reports the challenges surrounding decentralized model-free MARL for multi-robot cooperation and existing classes of approaches. We present benchmarks and robotic applications along with a discussion on current open avenues for research.
Key facts. Cited by 11 papers in the map (data through 7 Oct 2026). Builds on 74 of its 124 references that are in the map. First posted on arXiv 7 Apr 2022.
Builds on
74 of 124 references.
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50 most cited of 74 All 74 (JSON)
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Citing papers per year: 2024: 3; 2025: 3; 2026: 5.
11 papers.
- 2024LaMMA-P: Generalizable Multi-Agent Long-Horizon Task Allocation and Planning with LM-Driven PDDL Plannercited by 31
- 2026GlobeDiff: State Diffusion Process for Partial Observability in Multi-Agent Systemscited by 3
- 2024Self-organized free-flight arrival for urban air mobilitycited by 2
- 2026Action-Graph Policies: Learning Action Co-dependencies in Multi-Agent Reinforcement Learningcited by 2
- 2025Nonparametric Bellman Mappings for Value Iteration in Distributed Reinforcement Learningcited by 1
- 2025Emergence of Roles in Robotic Teams with Model Sharing and Limited Communicationcited by 1
- 2026Safe Heterogeneous Multi-Agent RL with Communication Regularization for Coordinated Target Acquisitioncited by 1
- 2024Achieving Collective Welfare in Multi-Agent Reinforcement Learning via Suggestion Sharingcited by 0
- 2025PACT: Phenotype-Aware Contrastive Team Representation for Multi-Phenotype Grouped Ad Hoc Teamworkcited by 0
- 2026SACHI: Structured Agent Coordination via Holistic Information Integration in Multi-Agent Reinforcement Learningcited by 0
- 2026FedGuide: Diffusion Prior Alignment and Value Baseline Guidance for Heterogeneous Federated Reinforcement Learningcited by 0
- 2026FedGuide: Diffusion Prior Alignment and Value Baseline Guidance for Heterogeneous Federated Reinforcement Learning22 Jul 2026
- 2026SACHI: Structured Agent Coordination via Holistic Information Integration in Multi-Agent Reinforcement Learning8 May 2026
- 2026Action-Graph Policies: Learning Action Co-dependencies in Multi-Agent Reinforcement Learning19 Feb 2026
- 2026GlobeDiff: State Diffusion Process for Partial Observability in Multi-Agent Systems17 Feb 2026
- 2026Safe Heterogeneous Multi-Agent RL with Communication Regularization for Coordinated Target Acquisition13 Jan 2026
- 2025PACT: Phenotype-Aware Contrastive Team Representation for Multi-Phenotype Grouped Ad Hoc Teamwork29 Oct 2025
- 2025Emergence of Roles in Robotic Teams with Model Sharing and Limited Communication1 May 2025
- 2025Nonparametric Bellman Mappings for Value Iteration in Distributed Reinforcement Learning20 Mar 2025
- 2024Achieving Collective Welfare in Multi-Agent Reinforcement Learning via Suggestion Sharing16 Dec 2024
- 2024LaMMA-P: Generalizable Multi-Agent Long-Horizon Task Allocation and Planning with LM-Driven PDDL Planner30 Sep 2024
- 2024Self-organized free-flight arrival for urban air mobility4 Apr 2024