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Simulation-to-real transfer using domain randomization for robot control often relies on low-gear-ratio, backdrivable actuators, but these approaches break down when the sim-to-real gap widens. Inspired by the traditional PID controller, we…

Robotics · Computer Science 2025-08-01 Yuta Kawachi

Traffic Signal Control (TSC) is essential for managing urban traffic flow and reducing congestion. Reinforcement Learning (RL) offers an adaptive method for TSC by responding to dynamic traffic patterns, with multi-agent RL (MARL) gaining…

Machine Learning · Computer Science 2025-07-22 Justin Turnau , Longchao Da , Khoa Vo , Ferdous Al Rafi , Shreyas Bachiraju , Tiejin Chen , Hua Wei

The framework of Simulation-to-real learning, i.e, learning policies in simulation and transferring those policies to the real world is one of the most promising approaches towards data-efficient learning in robotics. However, due to the…

Robotics · Computer Science 2022-02-01 Rituraj Kaushik , Karol Arndt , Ville Kyrki

We consider the problem of transferring policies to the real world by training on a distribution of simulated scenarios. Rather than manually tuning the randomization of simulations, we adapt the simulation parameter distribution using a…

Robotics · Computer Science 2019-03-07 Yevgen Chebotar , Ankur Handa , Viktor Makoviychuk , Miles Macklin , Jan Issac , Nathan Ratliff , Dieter Fox

Training robot policies within a learned world model is trending due to the inefficiency of real-world interactions. The established image-based world models and policies have shown prior success, but lack robust geometric information that…

Robotics · Computer Science 2025-09-18 Guanxing Lu , Baoxiong Jia , Puhao Li , Yixin Chen , Ziwei Wang , Yansong Tang , Siyuan Huang

Learning visuomotor policies in simulation is much safer and cheaper than in the real world. However, due to discrepancies between the simulated and real data, simulator-trained policies often fail when transferred to real robots. One…

Robotics · Computer Science 2023-07-31 Ricardo Garcia , Robin Strudel , Shizhe Chen , Etienne Arlaud , Ivan Laptev , Cordelia Schmid

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

Using simulation to train robot manipulation policies holds the promise of an almost unlimited amount of training data, generated safely out of harm's way. One of the key challenges of using simulation, to date, has been to bridge the…

Robotics · Computer Science 2019-11-26 Visak Kumar , Tucker Hermans , Dieter Fox , Stan Birchfield , Jonathan Tremblay

Domain randomization is a simple, effective, and flexible scheme for obtaining robust feedback policies aimed at reducing the sim-to-real gap due to model mismatch. While domain randomization methods have yielded impressive demonstrations…

Systems and Control · Electrical Eng. & Systems 2026-03-17 Alex Nguyen-Le , Nikolai Matni

Training robotic policies in simulation suffers from the sim-to-real gap, as simulated dynamics can be different from real-world dynamics. Past works tackled this problem through domain randomization and online system-identification. The…

Robotics · Computer Science 2020-11-09 Jacky Liang , Saumya Saxena , Oliver Kroemer

Vision and learning have made significant progress that could improve robotics policies for complex tasks and environments. Learning deep neural networks for image understanding, however, requires large amounts of domain-specific visual…

Machine Learning · Computer Science 2019-07-31 Alexander Pashevich , Robin Strudel , Igor Kalevatykh , Ivan Laptev , Cordelia Schmid

Sim-to-real transfer trains RL agents in the simulated environments and then deploys them in the real world. Sim-to-real transfer has been widely used in practice because it is often cheaper, safer and much faster to collect samples in…

Machine Learning · Computer Science 2023-03-03 Jiachen Hu , Han Zhong , Chi Jin , Liwei Wang

Robot foundation models are beginning to deliver on the promise of generalist robotic agents, yet progress remains constrained by the scarcity of large-scale real-world manipulation datasets. Simulation and synthetic data generation offer a…

Sim-to-real transfer remains a significant challenge in robotics due to the discrepancies between simulated and real-world dynamics. Traditional methods like Domain Randomization often fail to capture fine-grained dynamics, limiting their…

Robotics · Computer Science 2025-03-04 Xilun Zhang , Shiqi Liu , Peide Huang , William Jongwon Han , Yiqi Lyu , Mengdi Xu , Ding Zhao

In recent years, reinforcement learning (RL) has shown remarkable success in robotics when a fast and accurate simulator is available for a given task. When using RL and simulation, more simulator realism is generally beneficial but becomes…

Robotics · Computer Science 2026-04-17 Yunfu Deng , Yuhao Li , Josiah P. Hanna

Simulators are powerful tools for autonomous robot learning as they offer scalable data generation, flexible design, and optimization of trajectories. However, transferring behavior learned from simulation data into the real world proves to…

Robotics · Computer Science 2024-10-18 Alex Quach , Makram Chahine , Alexander Amini , Ramin Hasani , Daniela Rus

Domain randomization has emerged as a fundamental technique in reinforcement learning (RL) to facilitate the transfer of policies from simulation to real-world robotic applications. Many existing domain randomization approaches have been…

In the context of autonomous navigation of terrestrial robots, the creation of realistic models for agent dynamics and sensing is a widespread habit in the robotics literature and in commercial applications, where they are used for model…

The rise of deep learning has caused a paradigm shift in robotics research, favoring methods that require large amounts of data. Unfortunately, it is prohibitively expensive to generate such data sets on a physical platform. Therefore,…

Robotics · Computer Science 2022-01-19 Fabio Muratore , Fabio Ramos , Greg Turk , Wenhao Yu , Michael Gienger , Jan Peters

Learning in simulation and transferring the learned policy to the real world has the potential to enable generalist robots. The key challenge of this approach is to address simulation-to-reality (sim-to-real) gaps. Previous methods often…

Robotics · Computer Science 2024-10-15 Yunfan Jiang , Chen Wang , Ruohan Zhang , Jiajun Wu , Li Fei-Fei