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Many deep reinforcement learning algorithms contain inductive biases that sculpt the agent's objective and its interface to the environment. These inductive biases can take many forms, including domain knowledge and pretuned…

Machine Learning · Computer Science 2019-07-08 Matteo Hessel , Hado van Hasselt , Joseph Modayil , David Silver

Deep Reinforcement Learning has shown great success in a variety of control tasks. However, it is unclear how close we are to the vision of putting Deep RL into practice to solve real world problems. In particular, common practice in the…

Machine Learning · Computer Science 2019-02-21 Chenyang Zhao , Olivier Sigaud , Freek Stulp , Timothy M. Hospedales

Deep reinforcement learning has proven to be successful for learning tasks in simulated environments, but applying same techniques for robots in real-world domain is more challenging, as they require hours of training. To address this,…

Machine Learning · Computer Science 2020-03-24 Janne Karttunen , Anssi Kanervisto , Ville Kyrki , Ville Hautamäki

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 (DRL) has shown remarkable success in simulation domains, yet its application in designing robot controllers remains limited, due to its single-task orientation and insufficient adaptability to environmental…

Robotics · Computer Science 2024-09-20 Yu Tang Liu , Nilaksh Singh , Aamir Ahmad

Recently, reinforcement learning (RL) algorithms have demonstrated remarkable success in learning complicated behaviors from minimally processed input. However, most of this success is limited to simulation. While there are promising…

Machine Learning · Computer Science 2019-03-29 Quan Vuong , Sharad Vikram , Hao Su , Sicun Gao , Henrik I. Christensen

Deep reinforcement learning (DRL) has achieved groundbreaking successes in a wide variety of robotic applications. A natural consequence is the adoption of this paradigm for safety-critical tasks, where human safety and expensive hardware…

Robotics · Computer Science 2022-06-22 Davide Corsi , Raz Yerushalmi , Guy Amir , Alessandro Farinelli , David Harel , Guy Katz

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

Soft robots are gaining popularity thanks to their intrinsic safety to contacts and adaptability. However, the potentially infinite number of Degrees of Freedom makes their modeling a daunting task, and in many cases only an approximated…

Robotics · Computer Science 2024-01-26 Gabriele Tiboni , Andrea Protopapa , Tatiana Tommasi , Giuseppe Averta

Despite the significant progress of deep reinforcement learning (RL) in solving sequential decision making problems, RL agents often overfit to training environments and struggle to adapt to new, unseen environments. This prevents robust…

Machine Learning · Computer Science 2020-08-04 Xingyu Lu , Kimin Lee , Pieter Abbeel , Stas Tiomkin

With the development of deep representation learning, the domain of reinforcement learning (RL) has become a powerful learning framework now capable of learning complex policies in high dimensional environments. This review summarises deep…

Machine Learning · Computer Science 2021-01-26 B Ravi Kiran , Ibrahim Sobh , Victor Talpaert , Patrick Mannion , Ahmad A. Al Sallab , Senthil Yogamani , Patrick Pérez

Transferring learning-based models to the real world remains one of the hardest problems in model-free control theory. Due to the cost of data collection on a real robot and the limited sample efficiency of Deep Reinforcement Learning…

Robotics · Computer Science 2020-05-01 Thomas Chaffre , Julien Moras , Adrien Chan-Hon-Tong , Julien Marzat

Traditional place categorization approaches in robot vision assume that training and test images have similar visual appearance. Therefore, any seasonal, illumination and environmental changes typically lead to severe degradation in…

Robotics · Computer Science 2018-05-31 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Mobile robot navigation in complex and dynamic environments is a challenging but important problem. Reinforcement learning approaches fail to solve these tasks efficiently due to reward sparsities, temporal complexities and…

Robotics · Computer Science 2018-04-30 Xi Chen , Ali Ghadirzadeh , John Folkesson , Patric Jensfelt

In this paper, we confront the problem of applying reinforcement learning to agents that perceive the environment through many sensors and that can perform parallel actions using many actuators as is the case in complex autonomous robots.…

Artificial Intelligence · Computer Science 2011-07-04 E. Celaya , J. M. Porta

Deep reinforcement learning has proven remarkably useful in training agents from unstructured data. However, the opacity of the produced agents makes it difficult to ensure that they adhere to various requirements posed by human engineers.…

Machine Learning · Computer Science 2022-02-10 Raz Yerushalmi , Guy Amir , Achiya Elyasaf , David Harel , Guy Katz , Assaf Marron

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

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

We present a system for training deep neural networks for object detection using synthetic images. To handle the variability in real-world data, the system relies upon the technique of domain randomization, in which the parameters of the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Jonathan Tremblay , Aayush Prakash , David Acuna , Mark Brophy , Varun Jampani , Cem Anil , Thang To , Eric Cameracci , Shaad Boochoon , Stan Birchfield

Computer simulation provides an automatic and safe way for training robotic control policies to achieve complex tasks such as locomotion. However, a policy trained in simulation usually does not transfer directly to the real hardware due to…

Machine Learning · Computer Science 2018-12-05 Wenhao Yu , C. Karen Liu , Greg Turk