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Learning from human demonstrations can facilitate automation but is risky because the execution of the learned policy might lead to collisions and other failures. Adding explicit constraints to avoid unsafe states is generally not possible…

Robotics · Computer Science 2018-10-17 Jonathan Lee , Michael Laskey , Roy Fox , Ken Goldberg

In this paper, a deep reinforcement learning (DRL) method is proposed to address the problem of UAV navigation in an unknown environment. However, DRL algorithms are limited by the data efficiency problem as they typically require a huge…

Robotics · Computer Science 2020-08-07 Lei He , Nabil Aouf , James F. Whidborne , Bifeng Song

In recent years, imitation learning has made progress in the field of robotic manipulation. However, it still faces challenges when addressing complex long-horizon tasks with deformable objects, such as high-dimensional state spaces,…

Robotics · Computer Science 2025-03-14 Wendi Chen , Han Xue , Fangyuan Zhou , Yuan Fang , Cewu Lu

Flexible robots may overcome some of the industry's major challenges, such as enabling intrinsically safe human-robot collaboration and achieving a higher payload-to-mass ratio. However, controlling flexible robots is complicated due to…

This study considers multiple reconfigurable intelligent surfaces (RISs)-aided multiuser downlink systems with the goal of jointly optimizing the transmitter precoding and RIS phase shift matrix to maximize spectrum efficiency. Unlike prior…

Information Theory · Computer Science 2025-10-01 Po-Heng Chou , Bo-Ren Zheng , Wan-Jen Huang , Walid Saad , Yu Tsao , Ronald Y. Chang

Heave compensation is an essential part in various offshore operations. It is used in various applications, which include on-loading or off-loading systems, offshore drilling, landing helicopter on oscillating structures, and deploying and…

Systems and Control · Electrical Eng. & Systems 2021-07-26 Shrenik Zinage , Abhilash Somayajula

Hand-object motion-capture (MoCap) repositories offer large-scale, contact-rich demonstrations and hold promise for scaling dexterous robotic manipulation. Yet demonstration inaccuracies and embodiment gaps between human and robot hands…

Robotics · Computer Science 2025-09-12 Sirui Xu , Yu-Wei Chao , Liuyu Bian , Arsalan Mousavian , Yu-Xiong Wang , Liang-Yan Gui , Wei Yang

End-to-end reinforcement learning techniques are among the most successful methods for robotic manipulation tasks. However, the training time required to find a good policy capable of solving complex tasks is prohibitively large. Therefore,…

Teaching robots to fold, drape, or reposition deformable objects such as cloth will unlock a variety of automation applications. While remarkable progress has been made for rigid object manipulation, manipulating deformable objects poses…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Bardienus P. Duisterhof , Zhao Mandi , Yunchao Yao , Jia-Wei Liu , Jenny Seidenschwarz , Mike Zheng Shou , Deva Ramanan , Shuran Song , Stan Birchfield , Bowen Wen , Jeffrey Ichnowski

Imitation learning provides an efficient way to teach robots dexterous skills; however, learning complex skills robustly and generalizablely usually consumes large amounts of human demonstrations. To tackle this challenging problem, we…

Robotics · Computer Science 2024-09-30 Yanjie Ze , Gu Zhang , Kangning Zhang , Chenyuan Hu , Muhan Wang , Huazhe Xu

Combined with demonstrations, deep reinforcement learning can efficiently develop policies for manipulators. However, it takes time to collect sufficient high-quality demonstrations in practice. And human demonstrations may be unsuitable…

Robotics · Computer Science 2023-03-30 Liu Haofeng , Chen Yiwen , Tan Jiayi , Marcelo H Ang

Deep reinforcement learning has shown its advantages in real-time decision-making based on the state of the agent. In this stage, we solved the task of using a real robot to manipulate the cube to a given trajectory. The task is broken down…

Robotics · Computer Science 2021-12-10 Qingfeng Yao , Jilong Wang , Shuyu Yang

Controlling a non-statically bipedal robot is challenging due to the complex dynamics and multi-criterion optimization involved. Recent works have demonstrated the effectiveness of deep reinforcement learning (DRL) for simulation and…

Robotics · Computer Science 2021-12-23 Changxin Huang , Guangrun Wang , Zhibo Zhou , Ronghui Zhang , Liang Lin

We have seen much recent progress in rigid object manipulation, but interaction with deformable objects has notably lagged behind. Due to the large configuration space of deformable objects, solutions using traditional modelling approaches…

Robotics · Computer Science 2018-10-09 Jan Matas , Stephen James , Andrew J. Davison

We present a novel reinforcement learning method to train the quadruped robot in a simulated environment. The idea of controlling quadruped robots in a dynamic environment is quite challenging and my method presents the optimum policy and…

Robotics · Computer Science 2025-02-25 Nabeel Ahmad Khan Jadoon , Mongkol Ekpanyapong

Deep reinforcement learning (RL) algorithms can learn complex robotic skills from raw sensory inputs, but have yet to achieve the kind of broad generalization and applicability demonstrated by deep learning methods in supervised domains. We…

Robotics · Computer Science 2018-12-04 Frederik Ebert , Chelsea Finn , Sudeep Dasari , Annie Xie , Alex Lee , Sergey Levine

We propose a deep reinforcement learning (DRL) methodology for the tracking, obstacle avoidance, and formation control of nonholonomic robots. By separating vision-based control into a perception module and a controller module, we can train…

Robotics · Computer Science 2019-11-19 Yanlin Zhou , Fan Lu , George Pu , Xiyao Ma , Runhan Sun , Hsi-Yuan Chen , Xiaolin Li , Dapeng Wu

We present a novel technique called Dynamic Experience Replay (DER) that allows Reinforcement Learning (RL) algorithms to use experience replay samples not only from human demonstrations but also successful transitions generated by RL…

Artificial Intelligence · Computer Science 2020-10-19 Jieliang Luo , Hui Li

Deep reinforcement learning has recently gained a focus on problems where policy or value functions are independent of goals. Evidence exists that the sampling of goals has a strong effect on the learning performance, but there is a lack of…

Machine Learning · Computer Science 2019-02-14 Manfred Eppe , Sven Magg , Stefan Wermter

Manipulating deformable objects arises in daily life and numerous applications. Despite phenomenal advances in industrial robotics, manipulation of deformable objects remains mostly a manual task. This is because of the high number of…

Robotics · Computer Science 2024-01-31 Burak Aksoy , John Wen