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Mastering multiple tasks through exploration and learning in an environment poses a significant challenge in reinforcement learning (RL). Unsupervised RL has been introduced to address this challenge by training policies with intrinsic…

Machine Learning · Computer Science 2024-07-02 Junkai Zhang , Weitong Zhang , Dongruo Zhou , Quanquan Gu

Video generation models produce visually coherent content but struggle with tasks requiring spatial reasoning and multi-step planning. Reinforcement learning (RL) offers a path to improve generalization, but its effectiveness in video…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ming Liu , Yunbei Zhang , Shilong Liu , Liwen Wang , Wensheng Zhang

Reward learning enables robots to learn adaptable behaviors from human input. Traditional methods model the reward as a linear function of hand-crafted features, but that requires specifying all the relevant features a priori, which is…

Robotics · Computer Science 2022-01-19 Andreea Bobu , Marius Wiggert , Claire Tomlin , Anca D. Dragan

In this paper, we investigate the obstacle avoidance and navigation problem in the robotic control area. For solving such a problem, we propose revised Deep Deterministic Policy Gradient (DDPG) and Proximal Policy Optimization algorithms…

Robotics · Computer Science 2020-04-13 Daniel Zhang , Colleen P. Bailey

The major challenges of collision avoidance for robot navigation in crowded scenes lie in accurate environment modeling, fast perceptions, and trustworthy motion planning policies. This paper presents a novel adaptive environment model…

Robotics · Computer Science 2022-10-28 Shuaijun Wang , Rui Gao , Ruihua Han , Shengduo Chen , Chengyang Li , Qi Hao

Geomagnetic navigation has drawn increasing attention with its capacity in navigating through complex environments and its independence from external navigation services like global navigation satellite systems (GNSS). Existing studies on…

Robotics · Computer Science 2024-10-22 Wenqi Bai , Xiaohui Zhang , Shiliang Zhang , Songnan Yang , Yushuai Li , Tingwen Huang

General-purpose planning algorithms for automated driving combine mission, behavior, and local motion planning. Such planning algorithms map features of the environment and driving kinematics into complex reward functions. To achieve this,…

Robotics · Computer Science 2020-09-17 Sascha Rosbach , Vinit James , Simon Großjohann , Silviu Homoceanu , Xing Li , Stefan Roth

As the demand for mobile robots continues to increase, social navigation has emerged as a critical task, driving active research into deep reinforcement learning (RL) approaches. However, because pedestrian dynamics and social conventions…

Robotics · Computer Science 2026-04-10 Haruto Nagahisa , Kohei Matsumoto , Yuki Tomita , Yuki Hyodo , Ryo Kurazume

Collision-free, goal-directed navigation in environments containing unknown static and dynamic obstacles is still a great challenge, especially when manual tuning of navigation policies or costly motion prediction needs to be avoided. In…

Robotics · Computer Science 2023-03-03 Jorge de Heuvel , Weixian Shi , Xiangyu Zeng , Maren Bennewitz

Deep reinforcement learning (DRL) algorithms have proven effective in robot navigation, especially in unknown environments, by directly mapping perception inputs into robot control commands. However, most existing methods ignore the local…

Robotics · Computer Science 2023-07-06 Yu'an Chen , Ruosong Ye , Ziyang Tao , Hongjian Liu , Guangda Chen , Jie Peng , Jun Ma , Yu Zhang , Jianmin Ji , Yanyong Zhang

While recent progress in deep reinforcement learning has enabled robots to learn complex behaviors, tasks with long horizons and sparse rewards remain an ongoing challenge. In this work, we propose an effective reward shaping method through…

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

Navigation functions provide both path and motion planning, which can be used to ensure obstacle avoidance and convergence in the sphere world. When dealing with complex and realistic scenarios, constructing a transformation to the sphere…

Robotics · Computer Science 2022-10-04 Li Fan , Jianchang Liu , Wenle Zhang , Peng Xu

Navigating robots safely and efficiently in crowded and complex environments remains a significant challenge. However, due to the dynamic and intricate nature of these settings, planning efficient and collision-free paths for robots to…

Robotics · Computer Science 2024-10-22 Zhuanglei Wen , Mingze Dong , Xiai Chen

Dynamic scheduling in real-world environments often struggles to adapt to unforeseen disruptions, making traditional static scheduling methods and human-designed heuristics inadequate. This paper introduces an innovative approach that…

Artificial Intelligence · Computer Science 2025-08-06 Xinan Chen , Rong Qu , Jing Dong , Ruibin Bai , Yaochu Jin

Autonomous mobile robots operating in complex, dynamic environments face the dual challenge of navigating large-scale, structurally diverse spaces with static obstacles while safely interacting with various moving agents. Traditional…

Robotics · Computer Science 2026-01-01 Yury Kolomeytsev , Dmitry Golembiovsky

Reinforcement learning provides a powerful and general framework for decision making and control, but its application in practice is often hindered by the need for extensive feature and reward engineering. Deep reinforcement learning…

Machine Learning · Computer Science 2018-08-15 Justin Fu , Katie Luo , Sergey Levine

Robots are increasingly integrated across industries, particularly in healthcare. However, many valuable applications for quadrupedal robots remain overlooked. This research explores the effectiveness of three reinforcement learning…

Robotics · Computer Science 2025-07-18 Emma M. A. Harrison

We propose a novel benchmark environment for Safe Reinforcement Learning focusing on aquatic navigation. Aquatic navigation is an extremely challenging task due to the non-stationary environment and the uncertainties of the robotic…

Machine Learning · Computer Science 2021-12-21 Enrico Marchesini , Davide Corsi , Alessandro Farinelli

We present a novel trajectory traversability estimation and planning algorithm for robot navigation in complex outdoor environments. We incorporate multimodal sensory inputs from an RGB camera, 3D LiDAR, and the robot's odometry sensor to…

Recent years have witnessed significant progress in autonomous navigation using reinforcement learning. However, existing approaches largely emphasize reinforcement learning framework design, such as input representations, action spaces,…

Robotics · Computer Science 2026-05-18 Zhefan Xu , Hanyu Jin , Kenji Shimada