activity
20232026
most citedScalable Multi-Robot Collaboration with Large Language Models: Centralized or Decentralized Systems?

7 citations · 19 across the 15 of their papers we have counts for

collaborators

17 papers

cs.AI2026

RECAST: Learning to Compute the Right Context through Adaptive Evidence Routing

Yilun Hao, Krishna Sayana, Isabella Ye +4

Large language models are increasingly applied to tasks grounded in long, heterogeneous information sources. Conventional Retrieval-Augmented Generation (RAG) relies on fixed simil…

cs.RO2026

Bayesian Active Learning for Intent Disambiguation in Interactive Robot Planning

Huao Li, Carson Sobolewski, Augustinos Saravanos +3

Interactive robot planning requires robots to infer and execute human intentions from natural language instructions that are often ambiguous, incomplete, or underspecified. Althoug…

cs.RO2026

Navigating the Clutter: Waypoint-Based Bi-Level Planning for Multi-Robot Systems

Jiabao Ji, Yongchao Chen, Yang Zhang +4

Multi-robot control in cluttered environments is a challenging problem that involves complex physical constraints, including robot-robot collisions, robot-obstacle collisions, and…

cs.RO2025

Simulation to Rules: A Dual-VLM Framework for Formal Visual Planning

Yilun Hao, Yongchao Chen, Chuchu Fan +1

Vision Language Models (VLMs) show strong potential for visual planning but struggle with precise spatial and long-horizon reasoning, while Planning Domain Definition Language (PDD…

cs.CL2025

TUMIX: Multi-Agent Test-Time Scaling with Tool-Use Mixture

Yongchao Chen, Jiefeng Chen, Rui Meng +6

While integrating tools like Code Interpreter and Search has significantly enhanced Large Language Model (LLM) reasoning in models like ChatGPT Agent and Gemini-Pro, practical guid…

cs.RO2025

Collision- and Reachability-Aware Multi-Robot Control with Grounded LLM Planners

Jiabao Ji, Yongchao Chen, Yang Zhang +4

Large language models (LLMs) have demonstrated strong performance in various robot control tasks. However, their deployment in real-world applications remains constrained. Even sta…

cs.AI2025

R1-Code-Interpreter: LLMs Reason with Code via Supervised and Multi-stage Reinforcement Learning

Yongchao Chen, Yueying Liu, Junwei Zhou +5

Practical guidance on training Large Language Models (LLMs) to leverage Code Interpreter across diverse tasks remains lacking. We present R1-Code-Interpreter, an extension of a tex…

cs.RO2025

AuDeRe: Automated Strategy Decision and Realization in Robot Planning and Control via LLMs

Yue Meng, Fei Chen, Yongchao Chen +1

Recent advancements in large language models (LLMs) have shown significant promise in various domains, especially robotics. However, most prior LLM-based work in robotic applicatio…

cs.RO2025

Code-as-Symbolic-Planner: Foundation Model-Based Robot Planning via Symbolic Code Generation

Yongchao Chen, Yilun Hao, Yang Zhang +1

Recent works have shown great potentials of Large Language Models (LLMs) in robot task and motion planning (TAMP). Current LLM approaches generate text- or code-based reasoning cha…

cs.CL2025

CodeSteer: Symbolic-Augmented Language Models via Code/Text Guidance

Yongchao Chen, Yilun Hao, Yueying Liu +2

Existing methods fail to effectively steer Large Language Models (LLMs) between textual reasoning and code generation, leaving symbolic computing capabilities underutilized. We int…

cs.AI2024★ 2 cited

Planning Anything with Rigor: General-Purpose Zero-Shot Planning with LLM-based Formalized Programming

Yilun Hao, Yang Zhang, Chuchu Fan

While large language models (LLMs) have recently demonstrated strong potential in solving planning problems, there is a trade-off between flexibility and complexity. LLMs, as zero-…

cs.CL2024

Steering Large Language Models between Code Execution and Textual Reasoning

Yongchao Chen, Harsh Jhamtani, Srinagesh Sharma +2

While a lot of recent research focuses on enhancing the textual reasoning capabilities of Large Language Models (LLMs) by optimizing the multi-agent framework or reasoning chains,…

cs.AI2024★ 2 cited

Large Language Models Can Solve Real-World Planning Rigorously with Formal Verification Tools

Yilun Hao, Yongchao Chen, Yang Zhang +1

Large Language Models (LLMs) struggle to directly generate correct plans for complex multi-constraint planning problems, even with self-verification and self-critique. For example,…

cs.CL2024★ 4 cited

PRompt Optimization in Multi-Step Tasks (PROMST): Integrating Human Feedback and Heuristic-based Sampling

Yongchao Chen, Jacob Arkin, Yilun Hao +3

Prompt optimization aims to find the best prompt to a large language model (LLM) for a given task. LLMs have been successfully used to help find and improve prompt candidates for s…

math.OC2023★ 4 cited

Almost-Sure Safety Guarantees of Stochastic Zero-Control Barrier Functions Do Not Hold

Oswin So, Andrew Clark, Chuchu Fan

The 2021 paper "Control barrier functions for stochastic systems" provides theorems that give almost sure safety guarantees given stochastic zero control barrier function (ZCBF). U…

math.OC2023

How to Train Your Neural Control Barrier Function: Learning Safety Filters for Complex Input-Constrained Systems

Oswin So, Zachary Serlin, Makai Mann +4

Control barrier functions (CBF) have become popular as a safety filter to guarantee the safety of nonlinear dynamical systems for arbitrary inputs. However, it is difficult to cons…

cs.RO2023★ 7 cited

Scalable Multi-Robot Collaboration with Large Language Models: Centralized or Decentralized Systems?

Yongchao Chen, Jacob Arkin, Yang Zhang +2

A flurry of recent work has demonstrated that pre-trained large language models (LLMs) can be effective task planners for a variety of single-robot tasks. The planning performance…