Liu, Ruixuan

RI PhD (Fall 2021)

Research Interests

  • Manipulation
  • Robot Learning
  • Generative Robotics
  • Human-Robot Collaboration

  • Projects


    Publications

    2025

    1. [J29] Physics-Aware Combinatorial Assembly Sequence Planning using Data-free Action Masking
      Ruixuan Liu, Alan Chen, Weiye Zhao and Changliu Liu
      IEEE Robotics and Automation Letters, 2025
    1. [C87] Automating Robot Failure Recovery Using Vision-Language Models With Optimized Prompts
      Hongyi Chen, Yunchao Yao, Ruixuan Liu, Changliu Liu and Jeffrey Ichnowski
      American Control Conference, 2025
    2. [C96] APEX-MR: Multi-Robot Asynchronous Planning and Execution for Cooperative Assembly
      Philip Huang, Ruixuan Liu, Shobhit Aggarwal, Changliu Liu and Jiaoyang Li
      Robotics: Science and Systems, 2025
    1. [W] Multi-Level Reasoning for Delicate Assembly using Dual Arms
      Philip Huang, Ruixuan Liu, Shobhit Aggarwal, Changliu Liu and Jiaoyang Li
      ICRA 2025 Workshop on Language and Semantics of Task and Motion Planning, 2025
          1. [U] Eye-in-Finger: Smart Fingers for Delicate Assembly and Disassembly of LEGO
            Zhenran Tang, Ruixuan Liu and Changliu Liu
            arXiv preprint arXiv:2503.06848, 2025
          2. [U] Generating Physically Stable and Buildable LEGO Designs from Text
            Ava Pun, Kangle Deng, Ruixuan Liu, Deva Ramanan, Changliu Liu and Jun-Yan Zhu
            arXiv preprint arXiv:2505.05469, 2025

          2024

          1. [J23] Guard: A safe reinforcement learning benchmark
            Weiye Zhao, Rui Chen, Yifan Sun, Ruixuan Liu, Tianhao Wei and Changliu Liu
            Transactions on Machine Learning Research, 2024
          2. [J25] Decomposition-based Hierarchical Task Allocation and Planning for Multi-Robots under Hierarchical Temporal Logic Specifications
            Xusheng Luo, Shaojun Xu, Ruixuan Liu and Changliu Liu
            IEEE Robotics and Automation Letters, 2024
          3. [J27] StableLego: Stability Analysis of Block Stacking Assembly
            Ruixuan Liu, Kangle Deng, Ziwei Wang and Changliu Liu
            IEEE Robotics and Automation Letters, 2024
          1. [C70] Real-time Safety Index Adaptation for Parameter-varying Systems via Determinant Gradient Ascend
            Rui Chen, Weiye Zhao, Ruixuan Liu, Weiyang Zhang and Changliu Liu
            American control Conference, 2024
          2. [C76] A Lightweight and Transferable Design for Robust LEGO Manipulation
            Ruixuan Liu, Yifan Sun and Changliu Liu
            International Symposium of Flexible Automation, 2024
                  1. [U] Robustifying Long-term Human-Robot Collaboration through a Hierarchical and Multimodal Framework
                    Peiqi Yu, Abulikemu Abuduweili, Ruixuan Liu and Changliu Liu
                    arXiv:2411.15711, 2024
                  2. [U] Nl2Hltl2Plan: Scaling Up Natural Language Understanding for Multi-Robots Through Hierarchical Temporal Logic Task Representation
                    Shaojun Xu, Xusheng Luo, Yutong Huang, Letian Leng, Ruixuan Liu and Changliu Liu
                    arXiv:2408.08188, 2024

                  2023

                    1. [C62] Proactive human-robot co-assembly: Leveraging human intention prediction and robust safe control
                      Ruixuan Liu, Rui Chen, Abulikemu Abuduweili and Changliu Liu
                      IEEE Conference on Control Technology and Applications, 2023
                    2. [C63] Zero-shot Transferable and Persistently Feasible Safe Control for High Dimensional Systems by Consistent Abstraction
                      Tianhao Wei, Shucheng Kang, Ruixuan Liu and Changliu Liu
                      IEEE Conference on Decision and Control, 2023
                    1. [W] Robotic LEGO Assembly and Disassembly from Human Demonstration
                      Ruixuan Liu, Yifan Sun and Changliu Liu
                      ACC Workshop on Recent Advancement of Human Autonomy Interaction and Integration, 2023
                          1. [U] Simulation-aided Learning from Demonstration for Robotic LEGO Construction
                            Ruixuan Liu, Alan Chen, Xusheng Luo and Changliu Liu
                            arXiv:2309.11010, 2023

                          2022

                            1. [C42] Safe Interactive Industrial Robots using Jerk-based Safe Set Algorithm
                              Ruixuan Liu, Rui Chen and Changliu Liu
                              International Symposium on Flexible Automation, 2022
                            2. [C44] Jerk-bounded Position Controller with Real-Time Task Modification for Interactive Industrial Robots
                              Ruixuan Liu, Rui Chen, Yifan Sun, Yu Zhao and Changliu Liu
                              IEEE/ASME International Conference on Advanced Intelligent Mechatronics, 2022
                            3. [C50] Task-agnostic Adaptation for Safe Human-robot Handover
                              Ruixuan Liu, Rui Chen and Changliu Liu
                              IFAC Workshop on Cyber-Physical Human Systems, 2022
                              Best Student Paper Award

                                      2021

                                      1. [J8] Human Motion Prediction Using Adaptable Recurrent Neural Networks and Inverse Kinematics
                                        Ruixuan Liu and Changliu Liu
                                        IEEE Control Systems Letters, 2021
                                        1. [W] IADA: Iterative Adversarial Data Augmentation Using Formal Verification and Expert Guidance
                                          Ruixuan Liu and Changliu Liu
                                          ICML Workshop on Human in the Loop Learning, 2021