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Related papers: Traversing the Reality Gap via Simulator Tuning

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This paper addresses a new strategy called Simulation-to-Real-to-Simulation (Sim2Real2Sim) to bridge the gap between simulation and real-world, and automate a flexible object manipulation task. This strategy consists of three steps: (1)…

Robotics · Computer Science 2020-02-11 Peng Chang , Taskin Padir

Simulation can and should play a critical role in the development and testing of algorithms for autonomous agents. What might reduce its impact is the ``sim2real'' gap -- the algorithm response differs between operation in simulated versus…

In this paper, we explore an approach to actively plan and excite contact modes in differentiable simulators as a means to tighten the sim-to-real gap. We propose an optimal experimental design approach derived from information-theoretic…

Robotics · Computer Science 2024-11-28 Hrishikesh Sathyanarayan , Ian Abraham

In recent years Sim2Real approaches have brought great results to robotics. Techniques such as model-based learning or domain randomization can help overcome the gap between simulation and reality, but in some situations simulation accuracy…

Robotics · Computer Science 2020-08-11 Carlo Rizzardo , Sunny Katyara , Miguel Fernandes , Fei Chen

Sim-to-real gap has long posed a significant challenge for robot learning in simulation, preventing the deployment of learned models in the real world. Previous work has primarily focused on domain randomization and system identification to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Ziyang Xie , Zhizheng Liu , Zhenghao Peng , Wayne Wu , Bolei Zhou

This paper proposes a novel alternative to existing sim-to-real methods for training control policies with simulated experiences. Unlike prior methods that typically rely on domain randomization over a fixed finite set of parameters, the…

Robotics · Computer Science 2026-03-26 Junhyeok Rui Cha , Woohyun Cha , Jaeyong Shin , Donghyeon Kim , Jaeheung Park

Reinforcement learning (RL) is playing an increasingly important role in fields such as robotic control and autonomous driving. However, the gap between simulation and the real environment remains a major obstacle to the practical…

Machine Learning · Computer Science 2025-06-17 Zhilin Lin , Shiliang Sun

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

Simulations are valuable tools for empirically evaluating the properties of statistical methods and are primarily employed in methodological research to draw general conclusions about methods. In addition, they can often be useful to…

Other Statistics · Statistics 2025-10-08 Anne-Laure Boulesteix , Patrick Callahan , Luzia Hanssum , Vincent Gaertner , Eva Hoster

Differentiable simulators provide an avenue for closing the sim-to-real gap by enabling the use of efficient, gradient-based optimization algorithms to find the simulation parameters that best fit the observed sensor readings. Nonetheless,…

Robotics · Computer Science 2021-05-21 Eric Heiden , David Millard , Erwin Coumans , Yizhou Sheng , Gaurav S. Sukhatme

A realistic simulation environment is an essential tool in every roboticist's toolkit, with uses ranging from planning and control to training policies with reinforcement learning. Despite the centrality of simulation in modern robotics,…

Robotics · Computer Science 2022-07-18 Brian Acosta , William Yang , Michael Posa

Legged robots must achieve both robust locomotion and energy efficiency to be practical in real-world environments. Yet controllers trained in simulation often fail to transfer reliably, and most existing approaches neglect…

Robotics · Computer Science 2025-09-09 Filip Bjelonic , Fabian Tischhauser , Marco Hutter

Achieving athletic loco-manipulation on robots requires moving beyond traditional tracking rewards - which simply guide the robot along a reference trajectory - to task rewards that drive truly dynamic, goal-oriented behaviors. Commands…

Robotics · Computer Science 2025-02-18 Nolan Fey , Gabriel B. Margolis , Martin Peticco , Pulkit Agrawal

Simulators are an important tool in robotics that is used to develop robot software and generate synthetic data for machine learning algorithms. Faster simulation can result in better software validation and larger amounts of data. Previous…

The U.S. Defense Advanced Research Projects Agency (DARPA) Subterranean Challenge requires teams of robots to traverse difficult and diverse underground environments. Traversing small gaps is one of the challenging scenarios that robots…

Robotics · Computer Science 2021-11-03 Brendan Tidd , Akansel Cosgun , Jurgen Leitner , Nicolas Hudson

The ever increasing demands placed upon machine performance have resulted in the need for more comprehensive particle accelerator modeling. Computer simulations are key to the success of particle accelerators. Many aspects of particle…

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

Simulation-to-reality transfer has emerged as a popular and highly successful method to train robotic control policies for a wide variety of tasks. However, it is often challenging to determine when policies trained in simulation are ready…

With the increasing safety validation requirements for the release of a self-driving car, alternative approaches, such as simulation-based testing, are emerging in addition to conventional real-world testing. In order to rely on virtual…

Robotics · Computer Science 2021-06-22 Anthony Ngo , Max Paul Bauer , Michael Resch

Safety and cost are two important concerns for the development of autonomous driving technologies. From the academic research to commercial applications of autonomous driving vehicles, sufficient simulation and real world testing are…

Robotics · Computer Science 2023-07-03 Xuemin Hu , Shen Li , Tingyu Huang , Bo Tang , Rouxing Huai , Long Chen