Diffusion-based Episodes Augmentation for Offline Multi-Agent Reinforcement Learning

Fuente: arXiv
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Auteurs principaux: Oh, Jihwan, Kim, Sungnyun, Kim, Gahee, Kim, Sunghwan, Yun, Se-Young
Format: Preprint
Publié: 2024
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author Oh, Jihwan
Kim, Sungnyun
Kim, Gahee
Kim, Sunghwan
Yun, Se-Young
author_facet Oh, Jihwan
Kim, Sungnyun
Kim, Gahee
Kim, Sunghwan
Yun, Se-Young
contents Offline multi-agent reinforcement learning (MARL) is increasingly recognized as crucial for effectively deploying RL algorithms in environments where real-time interaction is impractical, risky, or costly. In the offline setting, learning from a static dataset of past interactions allows for the development of robust and safe policies without the need for live data collection, which can be fraught with challenges. Building on this foundational importance, we present EAQ, Episodes Augmentation guided by Q-total loss, a novel approach for offline MARL framework utilizing diffusion models. EAQ integrates the Q-total function directly into the diffusion model as a guidance to maximize the global returns in an episode, eliminating the need for separate training. Our focus primarily lies on cooperative scenarios, where agents are required to act collectively towards achieving a shared goal-essentially, maximizing global returns. Consequently, we demonstrate that our episodes augmentation in a collaborative manner significantly boosts offline MARL algorithm compared to the original dataset, improving the normalized return by +17.3% and +12.9% for medium and poor behavioral policies in SMAC simulator, respectively.
format Preprint
id arxiv_https___arxiv_org_abs_2408_13092
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Diffusion-based Episodes Augmentation for Offline Multi-Agent Reinforcement Learning
Oh, Jihwan
Kim, Sungnyun
Kim, Gahee
Kim, Sunghwan
Yun, Se-Young
Machine Learning
Offline multi-agent reinforcement learning (MARL) is increasingly recognized as crucial for effectively deploying RL algorithms in environments where real-time interaction is impractical, risky, or costly. In the offline setting, learning from a static dataset of past interactions allows for the development of robust and safe policies without the need for live data collection, which can be fraught with challenges. Building on this foundational importance, we present EAQ, Episodes Augmentation guided by Q-total loss, a novel approach for offline MARL framework utilizing diffusion models. EAQ integrates the Q-total function directly into the diffusion model as a guidance to maximize the global returns in an episode, eliminating the need for separate training. Our focus primarily lies on cooperative scenarios, where agents are required to act collectively towards achieving a shared goal-essentially, maximizing global returns. Consequently, we demonstrate that our episodes augmentation in a collaborative manner significantly boosts offline MARL algorithm compared to the original dataset, improving the normalized return by +17.3% and +12.9% for medium and poor behavioral policies in SMAC simulator, respectively.
title Diffusion-based Episodes Augmentation for Offline Multi-Agent Reinforcement Learning
topic Machine Learning
url https://arxiv.org/abs/2408.13092