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Learning policies in simulation and transferring them to the real world has become a promising approach in dexterous manipulation. However, bridging the sim-to-real gap for each new task requires substantial human effort, such as careful…

Robotics · Computer Science 2025-01-10 Haozhi Qi , Brent Yi , Mike Lambeta , Yi Ma , Roberto Calandra , Jitendra Malik

Simulation parameter settings such as contact models and object geometry approximations are critical to training robust robotic policies capable of transferring from simulation to real-world deployment. Previous approaches typically…

Robotics · Computer Science 2023-10-03 Allen Z. Ren , Hongkai Dai , Benjamin Burchfiel , Anirudha Majumdar

Scaling data volume and diversity is critical for generalizing embodied intelligence. While synthetic data generation offers a scalable alternative to expensive physical data acquisition, transferring robotic manipulation policies from…

Imitation learning offers a promising path for robots to learn general-purpose behaviors, but traditionally has exhibited limited scalability due to high data supervision requirements and brittle generalization. Inspired by recent advances…

Machine Learning · Computer Science 2022-11-16 Soroush Nasiriany , Tian Gao , Ajay Mandlekar , Yuke Zhu

End-to-end approaches to autonomous driving have high sample complexity and are difficult to scale to realistic urban driving. Simulation can help end-to-end driving systems by providing a cheap, safe, and diverse training environment. Yet…

Robotics · Computer Science 2018-12-14 Matthias Müller , Alexey Dosovitskiy , Bernard Ghanem , Vladlen Koltun

Robotic assembly is a longstanding challenge, requiring contact-rich interaction and high precision and accuracy. Many applications also require adaptivity to diverse parts, poses, and environments, as well as low cycle times. In other…

Robotic cutting, or milling, plays a significant role in applications such as disassembly, decommissioning, and demolition. Planning and control of cutting in real-world scenarios in uncertain environments is a complex task, with the…

Robotics · Computer Science 2024-09-09 Jamie Hathaway , Rustam Stolkin , Alireza Rastegarpanah

Deep reinforcement learning has recently seen huge success across multiple areas in the robotics domain. Owing to the limitations of gathering real-world data, i.e., sample inefficiency and the cost of collecting it, simulation environments…

Machine Learning · Computer Science 2021-07-09 Wenshuai Zhao , Jorge Peña Queralta , Tomi Westerlund

This work provides a complete framework for the simulation, co-optimization, and sim-to-real transfer of the design and control of soft legged robots. The compliance of soft robots provides a form of "mechanical intelligence" -- the ability…

Robotics · Computer Science 2022-02-10 Charles Schaff , Audrey Sedal , Matthew R. Walter

Efficient and robust policy transfer remains a key challenge for reinforcement learning to become viable for real-wold robotics. Policy transfer through warm initialization, imitation, or interacting over a large set of agents with…

Machine Learning · Computer Science 2021-05-12 Girish Joshi , Girish Chowdhary

In robotics, gradient-free optimization algorithms (e.g. evolutionary algorithms) are often used only in simulation because they require the evaluation of many candidate solutions. Nevertheless, solutions obtained in simulation often do not…

Robotics · Computer Science 2013-07-09 Jean-Baptiste Mouret , Sylvain Koos , Stéphane Doncieux

For a robot to learn a good policy, it often requires expensive equipment (such as sophisticated sensors) and a prepared training environment conducive to learning. However, it is seldom possible to perfectly equip robots for economic…

Artificial Intelligence · Computer Science 2019-07-19 Hélène Plisnier , Denis Steckelmacher , Diederik Roijers , Ann Nowé

Reinforcement learning often requires extensive training data. Simulation-to-real transfer offers a promising approach to address this challenge in robotics. While differentiable simulators offer improved sample efficiency through exact…

Robotics · Computer Science 2024-12-02 Severin Bochem , Eduardo Gonzalez-Sanchez , Yves Bicker , Gabriele Fadini

Reinforcement Learning methods are capable of solving complex problems, but resulting policies might perform poorly in environments that are even slightly different. In robotics especially, training and deployment conditions often vary and…

Machine Learning · Computer Science 2018-09-17 Isac Arnekvist , Danica Kragic , Johannes A. Stork

We have seen much recent progress in rigid object manipulation, but interaction with deformable objects has notably lagged behind. Due to the large configuration space of deformable objects, solutions using traditional modelling approaches…

Robotics · Computer Science 2018-10-09 Jan Matas , Stephen James , Andrew J. Davison

Generating robot motion that fulfills multiple tasks simultaneously is challenging due to the geometric constraints imposed by the robot. In this paper, we propose to solve multi-task problems through learning structured policies from human…

Robotics · Computer Science 2021-03-12 M. Asif Rana , Anqi Li , Dieter Fox , Sonia Chernova , Byron Boots , Nathan Ratliff

Automation holds the potential to assist surgeons in robotic interventions, shifting their mental work load from visuomotor control to high level decision making. Reinforcement learning has shown promising results in learning complex…

In order to mitigate the sample complexity of real-world reinforcement learning, common practice is to first train a policy in a simulator where samples are cheap, and then deploy this policy in the real world, with the hope that it…

Machine Learning · Computer Science 2024-10-29 Andrew Wagenmaker , Kevin Huang , Liyiming Ke , Byron Boots , Kevin Jamieson , Abhishek Gupta

Robots deployed in many real-world settings need to be able to acquire new skills and solve new tasks over time. Prior works on planning with skills often make assumptions on the structure of skills and tasks, such as subgoal skills, shared…

Robotics · Computer Science 2022-04-15 Jacky Liang , Mohit Sharma , Alex LaGrassa , Shivam Vats , Saumya Saxena , Oliver Kroemer

Recent work has shown results on learning navigation policies for idealized cylinder agents in simulation and transferring them to real wheeled robots. Deploying such navigation policies on legged robots can be challenging due to their…

Robotics · Computer Science 2021-09-14 Joanne Truong , Denis Yarats , Tianyu Li , Franziska Meier , Sonia Chernova , Dhruv Batra , Akshara Rai