activity
20202025
most citedThe Surprising Effectiveness of PPO in Cooperative, Multi-Agent Games

600 citations · 690 across the 19 of their papers we have counts for

collaborators

19 papers

cs.LG2025

Automatic Reward Shaping from Multi-Objective Human Heuristics

Yuqing Xie, Jiayu Chen, Wenhao Tang +3

Designing effective reward functions remains a central challenge in reinforcement learning, especially in multi-objective environments. In this work, we propose Multi-Objective Rew…

cs.RO2024

Multi-UAV Formation Control with Static and Dynamic Obstacle Avoidance via Reinforcement Learning

Yuqing Xie, Chao Yu, Hongzhi Zang +7

This paper tackles the challenging task of maintaining formation among multiple unmanned aerial vehicles (UAVs) while avoiding both static and dynamic obstacles during directed fli…

cs.RO2024★ 19 cited

Online Planning for Multi-UAV Pursuit-Evasion in Unknown Environments Using Deep Reinforcement Learning

Jiayu Chen, Chao Yu, Guosheng Li +6

Multi-UAV pursuit-evasion, where pursuers aim to capture evaders, poses a key challenge for UAV swarm intelligence. Multi-agent reinforcement learning (MARL) has demonstrated poten…

cs.AI2024★ 9 cited

LLM-Powered Hierarchical Language Agent for Real-time Human-AI Coordination

Jijia Liu, Chao Yu, Jiaxuan Gao +4

AI agents powered by Large Language Models (LLMs) have made significant advances, enabling them to assist humans in diverse complex tasks and leading to a revolution in human-AI co…

cs.LG2023

A Dual Curriculum Learning Framework for Multi-UAV Pursuit-Evasion in Diverse Environments

Jiayu Chen, Guosheng Li, Chao Yu +4

This paper addresses multi-UAV pursuit-evasion, where a group of drones cooperates to capture a fast evader in a confined environment with obstacles. Existing heuristic algorithms,…

cs.LG2023

MASP: Scalable GNN-based Planning for Multi-Agent Navigation

Xinyi Yang, Xinting Yang, Chao Yu +4

We investigate multi-agent navigation tasks, where multiple agents need to reach initially unassigned goals in a limited time. Classical planning-based methods suffer from expensiv…

cs.RO2023

Active Neural Topological Mapping for Multi-Agent Exploration

Xinyi Yang, Yuxiang Yang, Chao Yu +5

This paper investigates the multi-agent cooperative exploration problem, which requires multiple agents to explore an unseen environment via sensory signals in a limited time. A po…

cs.AI2023

Fictitious Cross-Play: Learning Global Nash Equilibrium in Mixed Cooperative-Competitive Games

Zelai Xu, Yancheng Liang, Chao Yu +2

Self-play (SP) is a popular multi-agent reinforcement learning (MARL) framework for solving competitive games, where each agent optimizes policy by treating others as part of the e…

cs.AI2023★ 8 cited

Language Agents with Reinforcement Learning for Strategic Play in the Werewolf Game

Zelai Xu, Chao Yu, Fei Fang +2

Agents built with large language models (LLMs) have shown great potential across a wide range of domains. However, in complex decision-making tasks, pure LLM-based agents tend to e…

cs.LG2023

Accelerate Multi-Agent Reinforcement Learning in Zero-Sum Games with Subgame Curriculum Learning

Jiayu Chen, Zelai Xu, Yunfei Li +6

Learning Nash equilibrium (NE) in complex zero-sum games with multi-agent reinforcement learning (MARL) can be extremely computationally expensive. Curriculum learning is an effect…

cs.RO2023★ 1 cited

OmniDrones: An Efficient and Flexible Platform for Reinforcement Learning in Drone Control

Botian Xu, Feng Gao, Chao Yu +3

In this work, we introduce OmniDrones, an efficient and flexible platform tailored for reinforcement learning in drone control, built on Nvidia's Omniverse Isaac Sim. It employs a…

cs.RO2023★ 3 cited

Learning Graph-Enhanced Commander-Executor for Multi-Agent Navigation

Xinyi Yang, Shiyu Huang, Yiwen Sun +5

This paper investigates the multi-agent navigation problem, which requires multiple agents to reach the target goals in a limited time. Multi-agent reinforcement learning (MARL) ha…

cs.AI2023★ 4 cited

Learning Zero-Shot Cooperation with Humans, Assuming Humans Are Biased

Chao Yu, Jiaxuan Gao, Weilin Liu +5

There is a recent trend of applying multi-agent reinforcement learning (MARL) to train an agent that can cooperate with humans in a zero-shot fashion without using any human data.…

cs.RO2023★ 11 cited

Asynchronous Multi-Agent Reinforcement Learning for Efficient Real-Time Multi-Robot Cooperative Exploration

Chao Yu, Xinyi Yang, Jiaxuan Gao +8

We consider the problem of cooperative exploration where multiple robots need to cooperatively explore an unknown region as fast as possible. Multi-agent reinforcement learning (MA…

cs.LG2021★ 14 cited

Variational Automatic Curriculum Learning for Sparse-Reward Cooperative Multi-Agent Problems

Jiayu Chen, Yuanxin Zhang, Yuanfan Xu +5

We introduce a curriculum learning algorithm, Variational Automatic Curriculum Learning (VACL), for solving challenging goal-conditioned cooperative multi-agent reinforcement learn…

cs.CV2021★ 2 cited

Learning Efficient Multi-Agent Cooperative Visual Exploration

Chao Yu, Xinyi Yang, Jiaxuan Gao +3

We tackle the problem of cooperative visual exploration where multiple agents need to jointly explore unseen regions as fast as possible based on visual signals. Classical planning…

cs.AI2021★ 13 cited

Discovering Diverse Multi-Agent Strategic Behavior via Reward Randomization

Zhenggang Tang, Chao Yu, Boyuan Chen +6

We propose a simple, general and effective technique, Reward Randomization for discovering diverse strategic policies in complex multi-agent games. Combining reward randomization a…

cs.LG2021★ 600 cited

The Surprising Effectiveness of PPO in Cooperative, Multi-Agent Games

Chao Yu, Akash Velu, Eugene Vinitsky +4

Proximal Policy Optimization (PPO) is a ubiquitous on-policy reinforcement learning algorithm but is significantly less utilized than off-policy learning algorithms in multi-agent…

cs.DB2020★ 6 cited

SQLFlow: A Bridge between SQL and Machine Learning

Yi Wang, Yang Yang, Weiguo Zhu +11

Industrial AI systems are mostly end-to-end machine learning (ML) workflows. A typical recommendation or business intelligence system includes many online micro-services and offlin…