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Transferring reinforcement learning policies trained in physics simulation to the real hardware remains a challenge, known as the "sim-to-real" gap. Domain randomization is a simple yet effective technique to address dynamics discrepancies…

Robotics · Computer Science 2021-04-05 Ioannis Exarchos , Yifeng Jiang , Wenhao Yu , C. Karen Liu

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

Synthesizing planning and control policies in robotics is a fundamental task, further complicated by factors such as complex logic specifications and high-dimensional robot dynamics. This paper presents a novel reinforcement learning…

Robotics · Computer Science 2023-10-03 Zikang Xiong , Daniel Lawson , Joe Eappen , Ahmed H. Qureshi , Suresh Jagannathan

With the surge of ChatGPT,the use of large models has significantly increased,rapidly rising to prominence across the industry and sweeping across the internet. This article is a comprehensive review of fine-tuning methods for large models.…

Machine Learning · Computer Science 2024-04-16 Benjue Weng

Imitation learning is an effective and safe technique to train robot policies in the real world because it does not depend on an expensive random exploration process. However, due to the lack of exploration, learning policies that…

Robotics · Computer Science 2021-06-24 Ajay Mandlekar , Danfei Xu , Roberto Martín-Martín , Silvio Savarese , Li Fei-Fei

The ability to plan for multi-step manipulation tasks in unseen situations is crucial for future home robots. But collecting sufficient experience data for end-to-end learning is often infeasible in the real world, as deploying robots in…

Robotics · Computer Science 2022-05-18 Chen Wang , Danfei Xu , Li Fei-Fei

Path planning for mobile robots in large dynamic environments is a challenging problem, as the robots are required to efficiently reach their given goals while simultaneously avoiding potential conflicts with other robots or dynamic…

Robotics · Computer Science 2020-09-15 Binyu Wang , Zhe Liu , Qingbiao Li , Amanda Prorok

Representation learning has been widely studied in the context of meta-learning, enabling rapid learning of new tasks through shared representations. Recent works such as MAML have explored using fine-tuning-based metrics, which measure the…

Machine Learning · Computer Science 2021-05-06 Kurtland Chua , Qi Lei , Jason D. Lee

In many robotics applications, multiple robots are working in a shared workspace to complete a set of tasks as fast as possible. Such settings can be treated as multi-modal multi-robot multi-goal path planning problems, where each robot has…

Robotics · Computer Science 2026-04-20 Valentin N. Hartmann , Tirza Heinle , Yijiang Huang , Stelian Coros

Robotic Manipulation (RM) is central to the advancement of autonomous robots, enabling them to interact with and manipulate objects in real-world environments. This survey focuses on RM methodologies that leverage imitation learning, a…

Imitation learning holds the promise of equipping robots with versatile skills by learning from expert demonstrations. However, policies trained on finite datasets often struggle to generalize beyond the training distribution. In this work,…

Machine Learning · Computer Science 2025-04-28 Yixiao Wang

Machine learning algorithms frequently require careful tuning of model hyperparameters, regularization terms, and optimization parameters. Unfortunately, this tuning is often a "black art" that requires expert experience, unwritten rules of…

Machine Learning · Statistics 2012-08-30 Jasper Snoek , Hugo Larochelle , Ryan P. Adams

By learning Variable Impedance Control policy, robot assistants can intelligently adapt their manipulation compliance to ensure both safe interaction and proper task completion when operating in human-robot interaction environments. In this…

Robotics · Computer Science 2021-12-28 Yan Zhang , Fei Zhao , Zhiwei Liao

How can we build generalist robot systems? Scale may not be enough due to the significant multimodality of robotics tasks, lack of easily accessible data and the challenges of deploying on physical hardware. Meanwhile, most deployed robotic…

Robotics · Computer Science 2025-03-11 Murtaza Dalal

Modular robots can be rearranged into a new design, perhaps each day, to handle a wide variety of tasks by forming a customized robot for each new task. However, reconfiguring just the mechanism is not sufficient: each design also requires…

Robotics · Computer Science 2021-11-11 Julian Whitman , Matthew Travers , Howie Choset

Likelihood-based policy gradient methods are the dominant approach for training robot control policies from rewards. These methods rely on differentiable action likelihoods, which constrain policy outputs to simple distributions like…

The distribution shifts between training and test data typically undermine the performance of models. In recent years, lots of work pays attention to domain generalization (DG) where distribution shifts exist, and target data are unseen.…

Machine Learning · Computer Science 2024-01-05 Wang Lu , Jindong Wang , Yidong Wang , Xing Xie

Learning complex manipulation tasks in realistic, obstructed environments is a challenging problem due to hard exploration in the presence of obstacles and high-dimensional visual observations. Prior work tackles the exploration problem by…

Machine Learning · Computer Science 2021-11-12 I-Chun Arthur Liu , Shagun Uppal , Gaurav S. Sukhatme , Joseph J. Lim , Peter Englert , Youngwoon Lee

Current vision-based robotics simulation benchmarks have significantly advanced robotic manipulation research. However, robotics is fundamentally a real-world problem, and evaluation for real-world applications has lagged behind in…

Robotics · Computer Science 2025-08-18 Xuning Yang , Clemens Eppner , Jonathan Tremblay , Dieter Fox , Stan Birchfield , Fabio Ramos

Robotic manipulators are essential for future autonomous systems, yet limited trust in their autonomy has confined them to rigid, task-specific systems. The intricate configuration space of manipulators, coupled with the challenges of…

Robotics · Computer Science 2024-08-13 Itamar Mishani , Hayden Feddock , Maxim Likhachev