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Human-like dexterous hands with multiple fingers offer human-level manipulation capabilities, but training control policies that can directly deploy on real hardware remains difficult due to contact-rich physics and imperfect actuation. We…

Robotics · Computer Science 2026-01-12 Zhe Zhao , Haoyu Dong , Zhengmao He , Yang Li , Xinyu Yi , Zhibin Li

Zero-shot sim-to-real transfer of tasks with complex dynamics is a highly challenging and unsolved problem. A number of solutions have been proposed in recent years, but we have found that many works do not present a thorough evaluation in…

Robotics · Computer Science 2020-08-18 Eugene Valassakis , Zihan Ding , Edward Johns

We propose a novel iterative approach for crossing the reality gap that utilises live robot rollouts and differentiable physics. Our method, RealityGrad, demonstrates for the first time, an efficient sim2real transfer in combination with a…

Robotics · Computer Science 2021-09-13 Jack Collins , Ross Brown , Jürgen Leitner , David Howard

Contact-rich manipulation tasks often exhibit a large sim-to-real gap. For instance, industrial assembly tasks frequently involve tight insertions where the clearance is less than 0.1 mm and can even be negative when dealing with a…

Robotics · Computer Science 2024-03-04 Xiang Zhang , Masayoshi Tomizuka , Hui Li

The sim-to-real gap remains a critical challenge in robotics, hindering the deployment of algorithms trained in simulation to real-world systems. This paper introduces a novel Real-Sim-Real (RSR) loop framework leveraging differentiable…

Robotics · Computer Science 2025-03-19 Lu Shi , Yuxuan Xu , Shiyu Wang , Jinhao Huang , Wenhao Zhao , Yufei Jia , Zike Yan , Weibin Gu , Guyue Zhou

Simulating object dynamics from real-world perception shows great promise for digital twins and robotic manipulation but often demands labor-intensive measurements and expertise. We present a fully automated Real2Sim pipeline that generates…

Robotics · Computer Science 2025-04-02 Nicholas Pfaff , Evelyn Fu , Jeremy Binagia , Phillip Isola , Russ Tedrake

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…

Realistic physics engines play a crucial role for learning to manipulate deformable objects such as garments in simulation. By doing so, researchers can circumvent challenges such as sensing the deformation of the object in the realworld.…

Robotics · Computer Science 2025-12-23 David Blanco-Mulero , Oriol Barbany , Gokhan Alcan , Adrià Colomé , Carme Torras , Ville Kyrki

Simulation provides a cost-effective and flexible platform for data generation and policy learning to develop robotic systems. However, bridging the gap between simulation and real-world dynamics remains a significant challenge, especially…

Learning robotic manipulation policies directly in the real world can be expensive and time-consuming. While reinforcement learning (RL) policies trained in simulation present a scalable alternative, effective sim-to-real transfer remains…

Robotics · Computer Science 2026-03-09 Maggie Wang , Stephen Tian , Aiden Swann , Ola Shorinwa , Jiajun Wu , Mac Schwager

Traversing through a tilted narrow gap is previously an intractable task for reinforcement learning mainly due to two challenges. First, searching feasible trajectories is not trivial because the goal behind the gap is difficult to reach.…

Robotics · Computer Science 2021-08-31 Chenxi Xiao , Peng Lu , Qizhi He

Robot simulation has been an essential tool for data-driven manipulation tasks. However, most existing simulation frameworks lack either efficient and accurate models of physical interactions with tactile sensors or realistic tactile…

Robotics · Computer Science 2022-08-08 Zilin Si , Zirui Zhu , Arpit Agarwal , Stuart Anderson , Wenzhen Yuan

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…

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

This paper presents a Sim2Real (Simulation to Reality) approach to bridge the gap between a trained agent in a simulated environment and its real-world implementation in navigating a robot in a similar setting. Specifically, we focus on…

Robotics · Computer Science 2025-01-07 Murad Mehrab Abrar , Souryadeep Mondal , Michelle Hickner

One fundamental difficulty in robotic learning is the sim-real gap problem. In this work, we propose to use segmentation as the interface between perception and control, as a domain-invariant state representation. We identify two sources of…

Robotics · Computer Science 2020-05-19 Mengyuan Yan , Qingyun Sun , Iuri Frosio , Stephen Tyree , Jan Kautz

Machine learning has facilitated significant advancements across various robotics domains, including navigation, locomotion, and manipulation. Many such achievements have been driven by the extensive use of simulation as a critical tool for…

This chapter addresses the critical challenge of simulation-to-reality (sim-to-real) transfer for deep reinforcement learning (DRL) in bipedal locomotion. After contextualizing the problem within various control architectures, we dissect…

Robotics · Computer Science 2025-11-11 Lingfan Bao , Tianhu Peng , Chengxu Zhou

Object insertion under tight tolerances ($< \hspace{-.02in} 1mm$) is an important but challenging assembly task as even small errors can result in undesirable contacts. Recent efforts focused on Reinforcement Learning (RL), which often…

Real-world data collection for robotics is costly and resource-intensive, requiring skilled operators and expensive hardware. Simulations offer a scalable alternative but often fail to achieve sim-to-real generalization due to geometric and…