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We investigate whether Deep Reinforcement Learning (Deep RL) is able to synthesize sophisticated and safe movement skills for a low-cost, miniature humanoid robot that can be composed into complex behavioral strategies in dynamic…

Reliable and stable locomotion has been one of the most fundamental challenges for legged robots. Deep reinforcement learning (deep RL) has emerged as a promising method for developing such control policies autonomously. In this paper, we…

Robotics · Computer Science 2020-11-04 Sehoon Ha , Peng Xu , Zhenyu Tan , Sergey Levine , Jie Tan

Deep reinforcement learning (DRL) has been proven to be a powerful paradigm for learning complex control policy autonomously. Numerous recent applications of DRL in robotic grasping have successfully trained DRL robotic agents end-to-end,…

Robotics · Computer Science 2020-07-03 Zhixin Chen , Mengxiang Lin , Zhixin Jia , Shibo Jian

Current end-to-end deep Reinforcement Learning (RL) approaches require jointly learning perception, decision-making and low-level control from very sparse reward signals and high-dimensional inputs, with little capability of incorporating…

Machine Learning · Computer Science 2019-10-10 Vibhavari Dasagi , Robert Lee , Serena Mou , Jake Bruce , Niko Sünderhauf , Jürgen Leitner

We study the problem of Reinforcement Learning (RL) with linear function approximation, i.e. assuming the optimal action-value function is linear in a known $d$-dimensional feature mapping. Unfortunately, however, based on only this…

Machine Learning · Computer Science 2022-11-15 Zeyu Jia , Randy Jia , Dhruv Madeka , Dean P. Foster

Deep learning and reinforcement learning methods have recently been used to solve a variety of problems in continuous control domains. An obvious application of these techniques is dexterous manipulation tasks in robotics which are…

Learning from Demonstration is increasingly used for transferring operator manipulation skills to robots. In practice, it is important to cater for limited data and imperfect human demonstrations, as well as underlying safety constraints.…

Robotics · Computer Science 2020-04-03 Ya-Yen Tsai , Bo Xiao , Edward Johns , Guang-Zhong Yang

In this paper, we explore deep reinforcement learning algorithms for vision-based robotic grasping. Model-free deep reinforcement learning (RL) has been successfully applied to a range of challenging environments, but the proliferation of…

Robotics · Computer Science 2018-03-30 Deirdre Quillen , Eric Jang , Ofir Nachum , Chelsea Finn , Julian Ibarz , Sergey Levine

In this work we describe a novel deep reinforcement learning architecture that allows multiple actions to be selected at every time-step in an efficient manner. Multi-action policies allow complex behaviours to be learnt that would…

Artificial Intelligence · Computer Science 2018-09-07 Jack Harmer , Linus Gisslén , Jorge del Val , Henrik Holst , Joakim Bergdahl , Tom Olsson , Kristoffer Sjöö , Magnus Nordin

In previous research, we developed methods to train decision trees (DT) as agents for reinforcement learning tasks, based on deep reinforcement learning (DRL) networks. The samples from which the DTs are built, use the environment's state…

Machine Learning · Computer Science 2024-12-09 Raphael C. Engelhardt , Marcel J. Meinen , Moritz Lange , Laurenz Wiskott , Wolfgang Konen

We introduce a novel method for collecting table tennis video data and perform stroke detection and classification. A diverse dataset containing video data of 11 basic strokes obtained from 14 professional table tennis players, summing up…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Kaustubh Milind Kulkarni , Sucheth Shenoy

Deep reinforcement learning (RL) has made it possible to solve complex robotics problems using neural networks as function approximators. However, the policies trained on stationary environments suffer in terms of generalization when…

Robotics · Computer Science 2021-11-09 Aditya M. Deshpande , Ali A. Minai , Manish Kumar

Policy gradient methods are an appealing approach in reinforcement learning because they directly optimize the cumulative reward and can straightforwardly be used with nonlinear function approximators such as neural networks. The two main…

Machine Learning · Computer Science 2018-10-23 John Schulman , Philipp Moritz , Sergey Levine , Michael Jordan , Pieter Abbeel

Legged robots are becoming increasingly powerful and popular in recent years for their potential to bring the mobility of autonomous agents to the next level. This work presents a deep reinforcement learning approach that learns a robust…

Robotics · Computer Science 2021-09-10 Zhaocheng Liu , Fernando Acero , Zhibin Li

In this paper, We Apply Reinforcement learning (RL) techniques to train a realistic biomechanical model to work with different people and on different walking environments. We benchmarking 3 RL algorithms: Deep Deterministic Policy Gradient…

Artificial Intelligence · Computer Science 2019-01-16 Montaser Mohammedalamen , Waleed D. Khamies , Benjamin Rosman

Flexible-joint manipulators are governed by complex nonlinear dynamics, defining a challenging control problem. In this work, we propose an approach to learn an outer-loop joint trajectory tracking controller with deep reinforcement…

Robotics · Computer Science 2022-03-15 Dmytro Pavlichenko , Sven Behnke

Artificial touch would seem well-suited for Reinforcement Learning (RL), since both paradigms rely on interaction with an environment. Here we propose a new environment and set of tasks to encourage development of tactile reinforcement…

Robotics · Computer Science 2020-08-07 Alex Church , John Lloyd , Raia Hadsell , Nathan F. Lepora

Activities in reinforcement learning (RL) revolve around learning the Markov decision process (MDP) model, in particular, the following parameters: state values, V; state-action values, Q; and policy, pi. These parameters are commonly…

Machine Learning · Computer Science 2018-07-24 Somnuk Phon-Amnuaisuk

Fully autonomous vehicles promise enhanced safety and efficiency. However, ensuring reliable operation in challenging corner cases requires control algorithms capable of performing at the vehicle limits. We address this requirement by…

Robotics · Computer Science 2025-08-14 Grzegorz Czechmanowski , Jan Węgrzynowski , Piotr Kicki , Krzysztof Walas

This paper proposes a detailed and extensive comparison of the Trust Region Policy Optimization and DeepQ-Network with Normalized Advantage Functions with respect to other state of the art algorithms, namely Deep Deterministic Policy…

Robotics · Computer Science 2020-05-07 Andrea Franceschetti , Elisa Tosello , Nicola Castaman , Stefano Ghidoni