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We present a deep learning method for composite and task-driven motion control for physically simulated characters. In contrast to existing data-driven approaches using reinforcement learning that imitate full-body motions, we learn…

Graphics · Computer Science 2023-05-08 Pei Xu , Xiumin Shang , Victor Zordan , Ioannis Karamouzas

While modern policy optimization methods can do complex manipulation from sensory data, they struggle on problems with extended time horizons and multiple sub-goals. On the other hand, task and motion planning (TAMP) methods scale to long…

Robotics · Computer Science 2021-12-08 Michael James McDonald , Dylan Hadfield-Menell

Interacting with the world is a multi-sensory experience: achieving effective general-purpose interaction requires making use of all available modalities -- including vision, touch, and audio -- to fill in gaps from partial observation. For…

Robotics · Computer Science 2025-01-16 Joshua Jones , Oier Mees , Carmelo Sferrazza , Kyle Stachowicz , Pieter Abbeel , Sergey Levine

Gradient-based methods can efficiently optimize controllers by leveraging differentiable simulation and physical priors. However, contact-rich manipulation remains challenging because hybrid contact dynamics often produce discontinuous or…

Robotics · Computer Science 2026-05-13 Wei-Chen Li , Glen Chou

Robot trajectories used for learning end-to-end robot policies typically contain end-effector and gripper position, workspace images, and language. Policies learned from such trajectories are unsuitable for delicate grasping, which require…

Robotics · Computer Science 2024-10-18 William Xie , Stefan Caldararu , Nikolaus Correll

Humans naturally "program" a fellow collaborator to perform a task by demonstrating the task few times. It is intuitive, therefore, for a human to program a collaborative robot by demonstration and many paradigms use a single demonstration…

Because imitation learning relies on human demonstrations in hard-to-simulate settings, the inclusion of force control in this method has resulted in a shortage of training data, even with a simple change in speed. Although the field of…

Robotics · Computer Science 2025-05-07 Nozomu Masuya , Hiroshi Sato , Koki Yamane , Takuya Kusume , Sho Sakaino , Toshiaki Tsuji

Motion planning involves determining a sequence of robot configurations to reach a desired pose, subject to movement and safety constraints. Traditional motion planning finds collision-free paths, but this is overly restrictive in clutter,…

Robotics · Computer Science 2026-03-10 Yiyang Ling , Karan Owalekar , Oluwatobiloba Adesanya , Erdem Bıyık , Daniel Seita

Most modern approaches to quadruped locomotion focus on using Deep Reinforcement Learning (DRL) to learn policies from scratch, in an end-to-end manner. Such methods often fail to scale, as every new problem or application requires…

Robotics · Computer Science 2025-09-29 Vassil Atanassov , Wanming Yu , Siddhant Gangapurwala , James Wilson , Ioannis Havoutis

Training tool-use agents typically relies on outcome-based filtering: Supervised Fine-Tuning (SFT) on successful trajectories and Reinforcement Learning (RL) on pass-rate-selected tasks. However, this paradigm ignores interaction dynamics:…

Machine Learning · Computer Science 2026-03-03 Jinluan Yang , Yuxin Liu , Zhengyu Chen , Chengcheng Han , Yueqing Sun , Qi Gu , Hui Su , Xunliang Cai , Fei Wu , Kun Kuang

While it is generally acknowledged that force feedback is beneficial to robotic control, applications of policy learning to robotic manipulation typically only leverage visual feedback. Recently, symmetric neural models have been used to…

Robotics · Computer Science 2023-08-29 Colin Kohler , Anuj Shrivatsav Srikanth , Eshan Arora , Robert Platt

Imitation learning offers a pathway for robots to perform repetitive tasks, allowing humans to focus on more engaging and meaningful activities. However, challenges arise from the need for extensive demonstrations and the disparity between…

Robotics · Computer Science 2025-05-13 Chikaha Tsuji , Enrique Coronado , Pablo Osorio , Gentiane Venture

Robotic manipulation in high-precision tasks is essential for numerous industrial and real-world applications where accuracy and speed are required. Yet current diffusion-based policy learning methods generally suffer from low computational…

Robotics · Computer Science 2025-06-23 Sen Wang , Le Wang , Sanping Zhou , Jingyi Tian , Jiayi Li , Haowen Sun , Wei Tang

The growing adoption of batteries in the electric vehicle industry and various consumer products has created an urgent need for effective recycling solutions. These products often contain a mix of compliant and rigid components, making…

Robotics · Computer Science 2025-03-19 Jeon Ho Kang , Sagar Joshi , Ruopeng Huang , Satyandra K. Gupta

Limited by inference latency, existing robot manipulation policies lack sufficient real-time interaction capability with the environment. Although faster generation methods such as flow matching are gradually replacing diffusion methods,…

Robotics · Computer Science 2026-02-17 Zhenchen Dong , Jinna Fu , Jiaming Wu , Shengyuan Yu , Fulin Chen , Yide Liu

Reinforcement learning has achieved remarkable success in robot learning. However, under challenging exploration and contact-rich dynamics, early-stage training is frequently dominated by premature terminations such as collisions and falls.…

Robotics · Computer Science 2026-03-10 Chenyang Miao

Recent video generation models demonstrate remarkable ability to capture complex physical interactions and scene evolution over time. To leverage their spatiotemporal priors, robotics works have adapted video models for policy learning but…

Artificial Intelligence · Computer Science 2026-01-23 Moo Jin Kim , Yihuai Gao , Tsung-Yi Lin , Yen-Chen Lin , Yunhao Ge , Grace Lam , Percy Liang , Shuran Song , Ming-Yu Liu , Chelsea Finn , Jinwei Gu

Reinforcement Learning (RL) of contact-rich manipulation tasks has yielded impressive results in recent years. While many studies in RL focus on varying the observation space or reward model, few efforts focused on the choice of action…

Target-driven visual navigation is a challenging problem that requires a robot to find the goal using only visual inputs. Many researchers have demonstrated promising results using deep reinforcement learning (deep RL) on various robotic…

Robotics · Computer Science 2021-06-08 Qian Luo , Maks Sorokin , Sehoon Ha

Contact-rich manipulation tasks, such as wiping and assembly, require accurate perception of contact forces, friction changes, and state transitions that cannot be reliably inferred from vision alone. Despite growing interest in…