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Related papers: Quantifying and Visualizing Sim-to-Real Gaps: Phys…

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Simulations are attractive environments for training agents as they provide an abundant source of data and alleviate certain safety concerns during the training process. But the behaviours developed by agents in simulation are often…

Robotics · Computer Science 2018-09-21 Xue Bin Peng , Marcin Andrychowicz , Wojciech Zaremba , Pieter Abbeel

Reinforcement learning encounters many challenges when applied directly in the real world. Sim-to-real transfer is widely used to transfer the knowledge learned from simulation to the real world. Domain randomization -- one of the most…

Machine Learning · Computer Science 2022-03-15 Xiaoyu Chen , Jiachen Hu , Chi Jin , Lihong Li , Liwei Wang

Real world data, especially in the domain of robotics, is notoriously costly to collect. One way to circumvent this can be to leverage the power of simulation to produce large amounts of labelled data. However, training models on simulated…

Sim-to-real, a term that describes where a model is trained in a simulator then transferred to the real world, is a technique that enables faster deep reinforcement learning (DRL) training. However, differences between the simulator and the…

Artificial Intelligence · Computer Science 2020-11-12 Yeong-Jia Roger Chu , Ting-Han Wei , Jin-Bo Huang , Yuan-Hao Chen , I-Chen Wu

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 this paper, we deal with the reality gap from a novel perspective, targeting transferring Deep Reinforcement Learning (DRL) policies learned in simulated environments to the real-world domain for visual control tasks. Instead of adopting…

Robotics · Computer Science 2019-01-17 Jingwei Zhang , Lei Tai , Peng Yun , Yufeng Xiong , Ming Liu , Joschka Boedecker , Wolfram Burgard

Bridging the 'reality gap' that separates simulated robotics from experiments on hardware could accelerate robotic research through improved data availability. This paper explores domain randomization, a simple technique for training models…

Robotics · Computer Science 2017-03-22 Josh Tobin , Rachel Fong , Alex Ray , Jonas Schneider , Wojciech Zaremba , Pieter Abbeel

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 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

The data-driven approach to robot control has been gathering pace rapidly, yet generalization to unseen task domains remains a critical challenge. We argue that the key to generalization is representations that are (i) rich enough to…

Robotics · Computer Science 2023-12-05 Bo Ai , Zhanxin Wu , David Hsu

Behavior cloning has shown promise for robot manipulation, but real-world demonstrations are costly to acquire at scale. While simulated data offers a scalable alternative, particularly with advances in automated demonstration generation,…

Robotics · Computer Science 2026-01-19 Shuo Cheng , Liqian Ma , Zhenyang Chen , Ajay Mandlekar , Caelan Garrett , Danfei Xu

Policies trained in simulation often fail when transferred to the real world due to the `reality gap' where the simulator is unable to accurately capture the dynamics and visual properties of the real world. Current approaches to tackle…

Robotics · Computer Science 2021-05-21 Yuqing Du , Olivia Watkins , Trevor Darrell , Pieter Abbeel , Deepak Pathak

When learning policies for robot control, the required real-world data is typically prohibitively expensive to acquire, so learning in simulation is a popular strategy. Unfortunately, such polices are often not transferable to the real…

Machine Learning · Computer Science 2021-06-22 Fabio Muratore , Christian Eilers , Michael Gienger , Jan Peters

Robotic grasping refers to making a robotic system pick an object by applying forces and torques on its surface. Many recent studies use data-driven approaches to address grasping, but the sparse reward nature of this task made the learning…

Robotics · Computer Science 2023-10-10 Johann Huber , François Hélénon , Hippolyte Watrelot , Faiz Ben Amar , Stéphane Doncieux

Performance of model-based feedforward controllers is typically limited by the accuracy of the inverse system dynamics model. Physics-guided neural networks (PGNN), where a known physical model cooperates in parallel with a neural network,…

Machine Learning · Computer Science 2022-01-31 Max Bolderman , Mircea Lazar , Hans Butler

Reinforcement learning (RL) has demonstrated great success in the past several years. However, most of the scenarios focus on simulated environments. One of the main challenges of transferring the policy learned in a simulated environment…

Robotics · Computer Science 2021-02-24 Ya-Yen Tsai , Hui Xu , Zihan Ding , Chong Zhang , Edward Johns , Bidan Huang

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…

Domain Randomization (DR) is commonly used for sim2real transfer of reinforcement learning (RL) policies in robotics. Most DR approaches require a simulator with a fixed set of tunable parameters from the start of the training, from which…

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

Domain randomization (DR) enables sim-to-real transfer by training controllers on a distribution of simulated environments, with the goal of achieving robust performance in the real world. Although DR is widely used in practice and is often…

Systems and Control · Electrical Eng. & Systems 2025-04-01 Tesshu Fujinami , Bruce D. Lee , Nikolai Matni , George J. Pappas
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