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Sim2Real (Simulation to Reality) techniques have gained prominence in robotic manipulation and motion planning due to their ability to enhance success rates by enabling agents to test and evaluate various policies and trajectories. In this…

Robotics · Computer Science 2024-11-01 Yuanhong Zeng , Yizhou Zhao , Ying Nian Wu

We study the challenging problem of releasing a robot in a previously unseen environment, and having it follow unconstrained natural language navigation instructions. Recent work on the task of Vision-and-Language Navigation (VLN) has…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Peter Anderson , Ayush Shrivastava , Joanne Truong , Arjun Majumdar , Devi Parikh , Dhruv Batra , Stefan Lee

Precise robotic grasping of several novel objects is a huge challenge in manufacturing, automation, and logistics. Most of the current methods for model-free grasping are disadvantaged by the sparse data in grasping datasets and by errors…

Robotics · Computer Science 2023-01-31 Lei Zhang , Kaixin Bai , Zhaopeng Chen , Yunlei Shi , Jianwei Zhang

In the peg insertion task, human pays attention to the seam between the peg and the hole and tries to fill it continuously with visual feedback. By imitating the human behavior, we design architectures with position and orientation…

Robotics · Computer Science 2022-04-21 Liang Xie , Hongxiang Yu , Yinghao Zhao , Haodong Zhang , Zhongxiang Zhou , Minhang Wang , Yue Wang , Rong Xiong

Reinforcement learning has shown a wide usage in robotics tasks, such as insertion and grasping. However, without a practical sim2real strategy, the policy trained in simulation could fail on the real task. There are also wide researches in…

Robotics · Computer Science 2022-06-07 Yiwen Chen , Xue Li , Sheng Guo , Xian Yao Ng , Marcelo Ang

Reinforcement Learning (RL) methods have been widely applied for robotic manipulations via sim-to-real transfer, typically with proprioceptive and visual information. However, the incorporation of tactile sensing into RL for contact-rich…

Robotics · Computer Science 2021-07-28 Zihan Ding , Ya-Yen Tsai , Wang Wei Lee , Bidan Huang

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

An oft-ignored challenge of real-world reinforcement learning is that the real world does not pause when agents make learning updates. As standard simulated environments do not address this real-time aspect of learning, most available…

Robotics · Computer Science 2022-04-01 Yufeng Yuan , A. Rupam Mahmood

In the context of deep learning for robotics, we show effective method of training a real robot to grasp a tiny sphere (1.37cm of diameter), with an original combination of system design choices. We decompose the end-to-end system into a…

Robotics · Computer Science 2017-12-21 Mengyuan Yan , Iuri Frosio , Stephen Tyree , Jan Kautz

The manual design of soft robots and their controllers is notoriously challenging, but it could be augmented---or, in some cases, entirely replaced---by automated design tools. Machine learning algorithms can automatically propose, test,…

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

Reinforcement Learning (RL) methods have been proven successful in solving manipulation tasks autonomously. However, RL is still not widely adopted on real robotic systems because working with real hardware entails additional challenges,…

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…

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

Deep Reinforcement Learning has proved to be able to solve many control tasks in different fields, but the behavior of these systems is not always as expected when deployed in real-world scenarios. This is mainly due to the lack of domain…

Robotics · Computer Science 2021-04-29 Alessandro Paolo Capasso , Giulio Bacchiani , Alberto Broggi

This paper explores policy-learning approaches in the context of sim-to-real transfer for robotic manipulation using a TIAGo mobile manipulator, focusing on two state-of-art simulators, Isaac Gym and Isaac Sim, both developed by Nvidia.…

Robotics · Computer Science 2024-03-28 Jaume Albardaner , Alberto San Miguel , Néstor García , Magí Dalmau-Moreno

Large-scale synthetic datasets are beneficial to stereo matching but usually introduce known domain bias. Although unsupervised image-to-image translation networks represented by CycleGAN show great potential in dealing with domain gap, it…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Rui Liu , Chengxi Yang , Wenxiu Sun , Xiaogang Wang , Hongsheng Li

While deep learning has had significant successes in computer vision thanks to the abundance of visual data, collecting sufficiently large real-world datasets for robot learning can be costly. To increase the practicality of these…

Robotics · Computer Science 2017-12-20 Fangyi Zhang , Jürgen Leitner , Michael Milford , Peter Corke

The large demand for simulated data has made the reality gap a problem on the forefront of robotics. We propose a method to traverse the gap by tuning available simulation parameters. Through the optimisation of physics engine parameters,…

Robotics · Computer Science 2020-03-04 Jack Collins , Ross Brown , Jurgen Leitner , David Howard

Accurately modeling soft robots in simulation is computationally expensive and commonly falls short of representing the real world. This well-known discrepancy, known as the sim-to-real gap, can have several causes, such as coarsely…

Robotics · Computer Science 2024-09-10 Junpeng Gao , Mike Yan Michelis , Andrew Spielberg , Robert K. Katzschmann