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Transfer learning (TL) is a promising way to improve the sample efficiency of reinforcement learning. However, how to efficiently transfer knowledge across tasks with different state-action spaces is investigated at an early stage. Most…

Machine Learning · Computer Science 2021-05-11 Yu Chen , Yingfeng Chen , Zhipeng Hu , Tianpei Yang , Changjie Fan , Yang Yu , Jianye Hao

Autonomous learning of object manipulation skills can enable robots to acquire rich behavioral repertoires that scale to the variety of objects found in the real world. However, current motion skill learning methods typically restrict the…

Robotics · Computer Science 2015-02-27 Sergey Levine , Nolan Wagener , Pieter Abbeel

Training a robotic policy from scratch using deep reinforcement learning methods can be prohibitively expensive due to sample inefficiency. To address this challenge, transferring policies trained in the source domain to the target domain…

Robotics · Computer Science 2024-03-05 Ruiqi Zhu , Tianhong Dai , Oya Celiktutan

Animals learn to adapt speed of their movements to their capabilities and the environment they observe. Mobile robots should also demonstrate this ability to trade-off aggressiveness and safety for efficiently accomplishing tasks. The aim…

Robotics · Computer Science 2024-07-11 Guangyu Zhao , Tianyue Wu , Yeke Chen , Fei Gao

Robot learning is at an inflection point, driven by rapid advancements in machine learning and the growing availability of large-scale robotics data. This shift from classical, model-based methods to data-driven, learning-based paradigms is…

Robotics · Computer Science 2025-10-15 Francesco Capuano , Caroline Pascal , Adil Zouitine , Thomas Wolf , Michel Aractingi

The main novelty of the proposed approach is that it allows a robot to learn an end-to-end policy which can adapt to changes in the environment during execution. While goal conditioning of policies has been studied in the RL literature,…

We present a novel solution to the problem of simulation-to-real transfer, which builds on recent advances in robot skill decomposition. Rather than focusing on minimizing the simulation-reality gap, we learn a set of diverse policies that…

Machine Learning · Computer Science 2018-11-15 Ryan Julian , Eric Heiden , Zhanpeng He , Hejia Zhang , Stefan Schaal , Joseph J. Lim , Gaurav Sukhatme , Karol Hausman

Learning visuomotor policy for multi-task robotic manipulation has been a long-standing challenge for the robotics community. The difficulty lies in the diversity of action space: typically, a goal can be accomplished in multiple ways,…

Robotics · Computer Science 2025-03-24 Kun Wu , Yichen Zhu , Jinming Li , Junjie Wen , Ning Liu , Zhiyuan Xu , Jian Tang

Due to limited resources and public safety concerns, deep reinforcement learning (RL) agents for many cyber-physical systems (e.g., autonomous vehicles) are first trained in simulators. However, when deployed in real world environments,…

Machine Learning · Computer Science 2026-05-28 Gengyue Han , Yiheng Feng

Studies that broaden drone applications into complex tasks require a stable control framework. Recently, deep reinforcement learning (RL) algorithms have been exploited in many studies for robot control to accomplish complex tasks.…

The skill of pivoting an object with a robotic system is challenging for the external forces that act on the system, mainly given by contact interaction. The complexity increases when the same skills are required to generalize across…

Robotics · Computer Science 2023-05-05 Xiang Zhang , Siddarth Jain , Baichuan Huang , Masayoshi Tomizuka , Diego Romeres

In order to be effective general purpose machines in real world environments, robots not only will need to adapt their existing manipulation skills to new circumstances, they will need to acquire entirely new skills on-the-fly. A great…

Machine Learning · Computer Science 2021-10-22 K. R. Zentner , Ryan Julian , Ujjwal Puri , Yulun Zhang , Gaurav S. Sukhatme

Building robotic agents capable of operating across diverse environments and object types remains a significant challenge, often requiring extensive data collection. This is particularly restrictive in robotics, where each data point must…

Robotics · Computer Science 2025-02-28 Siddhant Haldar , Lerrel Pinto

Learning to manipulate objects efficiently, particularly those involving sustained contact (e.g., pushing, sliding) and articulated parts (e.g., drawers, doors), presents significant challenges. Traditional methods, such as robot-centric…

Robotics · Computer Science 2025-03-18 Shijie Fang , Wenchang Gao , Shivam Goel , Christopher Thierauf , Matthias Scheutz , Jivko Sinapov

Many of the challenges facing today's reinforcement learning (RL) algorithms, such as robustness, generalization, transfer, and computational efficiency are closely related to compression. Prior work has convincingly argued why minimizing…

Machine Learning · Computer Science 2021-09-08 Benjamin Eysenbach , Ruslan Salakhutdinov , Sergey Levine

Efficiently training control policies for robots is a major challenge that can greatly benefit from utilizing knowledge gained from training similar systems through cross-embodiment knowledge transfer. In this work, we focus on accelerating…

Robotics · Computer Science 2026-02-18 Welf Rehberg , Mihir Kulkarni , Philipp Weiss , Kostas Alexis

Reinforcement learning holds the promise of enabling autonomous robots to learn large repertoires of behavioral skills with minimal human intervention. However, robotic applications of reinforcement learning often compromise the autonomy of…

Robotics · Computer Science 2016-11-24 Shixiang Gu , Ethan Holly , Timothy Lillicrap , Sergey Levine

For the task with complicated manipulation in unstructured environments, traditional hand-coded methods are ineffective, while reinforcement learning can provide more general and useful policy. Although the reinforcement learning is able to…

Robotics · Computer Science 2025-12-03 Nan Lin , Linrui Zhang , Yuxuan Chen , Zhenrui Chen , Yujun Zhu , Ruoxi Chen , Peichen Wu , Xiaoping Chen

Learning controllers that reproduce legged locomotion in nature has been a long-time goal in robotics and computer graphics. While yielding promising results, recent approaches are not yet flexible enough to be applicable to legged systems…

Robotics · Computer Science 2022-07-26 Daniel Ordonez-Apraez , Antonio Agudo , Francesc Moreno-Noguer , Mario Martin

Robotic loco-manipulation tasks often involve contact-rich interactions with the environment, requiring the joint modeling of contact force and robot position. However, recent visuomotor policies often focus solely on learning position or…

Robotics · Computer Science 2025-10-07 Peiyuan Zhi , Peiyang Li , Jianqin Yin , Baoxiong Jia , Siyuan Huang