Scalable Safe Multi-Agent Reinforcement Learning for Multi-Agent System

Fuente: arXiv
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Autores principales: Du, Haikuo, Gou, Fandi, Cai, Yunze
Formato: Preprint
Publicado: 2025
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author Du, Haikuo
Gou, Fandi
Cai, Yunze
author_facet Du, Haikuo
Gou, Fandi
Cai, Yunze
contents Safety and scalability are two critical challenges faced by practical Multi-Agent Systems (MAS). However, existing Multi-Agent Reinforcement Learning (MARL) algorithms that rely solely on reward shaping are ineffective in ensuring safety, and their scalability is rather limited due to the fixed-size network output. To address these issues, we propose a novel framework, Scalable Safe MARL (SS-MARL), to enhance the safety and scalability of MARL methods. Leveraging the inherent graph structure of MAS, we design a multi-layer message passing network to aggregate local observations and communications of varying sizes. Furthermore, we develop a constrained joint policy optimization method in the setting of local observation to improve safety. Simulation experiments demonstrate that SS-MARL achieves a better trade-off between optimality and safety compared to baselines, and its scalability significantly outperforms the latest methods in scenarios with a large number of agents.
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id arxiv_https___arxiv_org_abs_2501_13727
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Scalable Safe Multi-Agent Reinforcement Learning for Multi-Agent System
Du, Haikuo
Gou, Fandi
Cai, Yunze
Multiagent Systems
Artificial Intelligence
Safety and scalability are two critical challenges faced by practical Multi-Agent Systems (MAS). However, existing Multi-Agent Reinforcement Learning (MARL) algorithms that rely solely on reward shaping are ineffective in ensuring safety, and their scalability is rather limited due to the fixed-size network output. To address these issues, we propose a novel framework, Scalable Safe MARL (SS-MARL), to enhance the safety and scalability of MARL methods. Leveraging the inherent graph structure of MAS, we design a multi-layer message passing network to aggregate local observations and communications of varying sizes. Furthermore, we develop a constrained joint policy optimization method in the setting of local observation to improve safety. Simulation experiments demonstrate that SS-MARL achieves a better trade-off between optimality and safety compared to baselines, and its scalability significantly outperforms the latest methods in scenarios with a large number of agents.
title Scalable Safe Multi-Agent Reinforcement Learning for Multi-Agent System
topic Multiagent Systems
Artificial Intelligence
url https://arxiv.org/abs/2501.13727