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Wheeled-legged robots combine the efficiency of wheels with the obstacle negotiation of legs, yet many state-of-the-art systems rely on costly actuators and sensors, and fall-recovery is seldom integrated, especially for wheeled-legged…

Robotics · Computer Science 2025-10-29 Jans Solano , Diego Quiroz

Recent advancements in legged locomotion research have made legged robots a preferred choice for navigating challenging terrains when compared to their wheeled counterparts. This paper presents a novel locomotion policy, trained using Deep…

Robotics · Computer Science 2023-05-04 Lokesh Kumar , Sarvesh Sortee , Titas Bera , Ranjan Dasgupta

Traversing risky terrains with sparse footholds poses a significant challenge for humanoid robots, requiring precise foot placements and stable locomotion. Existing learning-based approaches often struggle on such complex terrains due to…

Robotics · Computer Science 2025-04-29 Huayi Wang , Zirui Wang , Junli Ren , Qingwei Ben , Tao Huang , Weinan Zhang , Jiangmiao Pang

Legged robots possess inherent advantages in traversing complex 3D terrains. However, previous work on low-cost quadruped robots with egocentric vision systems has been limited by a narrow front-facing view and exteroceptive noise,…

Robotics · Computer Science 2024-12-05 Songbo Li , Shixin Luo , Jun Wu , Qiuguo Zhu

To dynamically traverse challenging terrain, legged robots need to continually perceive and reason about upcoming features, adjust the locations and timings of future footfalls and leverage momentum strategically. We present a pipeline that…

Robotics · Computer Science 2021-04-20 Oliwier Melon , Romeo Orsolino , David Surovik , Mathieu Geisert , Ioannis Havoutis , Maurice Fallon

In this paper, we present a general learning framework for controlling a quadruped robot that can mimic the behavior of real animals and traverse challenging terrains. Our method consists of two steps: an imitation learning step to learn…

Robotics · Computer Science 2023-08-08 Tingguang Li , Yizheng Zhang , Chong Zhang , Qingxu Zhu , Jiapeng sheng , Wanchao Chi , Cheng Zhou , Lei Han

Robust humanoid stair climbing remains challenging due to geometric discontinuities, sensitivity to step height variations, and perception uncertainty in real-world environments. Existing learning-based locomotion policies often rely on…

Robotics · Computer Science 2026-05-12 Jianguo Zhang , Wentai Xu , Shusheng Ye , Yuxiang He , Weimin Qi , Qinbo Sun , Ning Ding , Liguang Zhou

As mobile robots become useful performing everyday tasks in complex real-world environments, they must be able to traverse a range of difficult terrain types such as stairs, stepping stones, gaps, jumps and narrow passages. This work…

Robotics · Computer Science 2023-03-06 Brendan Tidd

Reinforcement learning (RL) has demonstrated impressive performance in legged locomotion over various challenging environments. However, due to the sim-to-real gap and lack of explainability, unconstrained RL policies deployed in the real…

Robotics · Computer Science 2025-06-06 Haoyu Wang , Ruyi Zhou , Liang Ding , Tie Liu , Zhelin Zhang , Peng Xu , Haibo Gao , Zongquan Deng

The dynamical properties of tensegrity robots give them appealing ruggedness and adaptability, but present major challenges with respect to locomotion control. Due to high-dimensionality and complex contact responses, data-driven approaches…

Robotics · Computer Science 2018-10-01 David Surovik , Kun Wang , Kostas E. Bekris

Humanoid robots are designed to navigate environments accessible to humans using their legs. However, classical research has primarily focused on controlled laboratory settings, resulting in a gap in developing controllers for navigating…

Robotics · Computer Science 2025-02-25 Wandong Sun , Long Chen , Yongbo Su , Baoshi Cao , Yang Liu , Zongwu Xie

The enhanced mobility brought by legged locomotion empowers quadrupedal robots to navigate through complex and unstructured environments. However, optimizing agile locomotion while accounting for the varying energy costs of traversing…

Achieving highly dynamic humanoid parkour on unseen, complex terrains remains a challenge in robotics. Although general locomotion policies demonstrate capabilities across broad terrain distributions, they often struggle with arbitrary and…

Robotics · Computer Science 2026-02-03 Shaoting Zhu , Baijun Ye , Jiaxuan Wang , Jiakang Chen , Ziwen Zhuang , Linzhan Mou , Runhan Huang , Hang Zhao

Understanding the traversability of terrain is essential for autonomous robot navigation, particularly in unstructured environments such as natural landscapes. Although traditional methods, such as occupancy mapping, provide a basic…

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

Accurate traversability estimation is essential for safe and effective navigation of outdoor robots operating in complex environments. This paper introduces a novel experience-based method that allows robots to autonomously learn which…

Stable traversal over geometrically complex terrain increasingly requires exteroceptive perception, yet prior perceptive humanoid locomotion methods often remain tied to explicit geometric abstractions, either by mediating control through…

Robotics · Computer Science 2026-04-02 Yuan Hao , Ruiqi Yu , Shixin Luo , Guoteng Zhang , Jun Wu , Qiuguo Zhu

Legged robots navigating crowded scenes and complex terrains in the real world are required to execute dynamic leg movements while processing visual input for obstacle avoidance and path planning. We show that a quadruped robot can acquire…

Robotics · Computer Science 2020-12-01 Deepali Jain , Atil Iscen , Ken Caluwaerts

Quadruped robots demonstrate exceptional potential for navigating complex terrain in critical applications such as search and rescue missions and infrastructure inspection However autonomous traversal of confined 3D environments including…

Robotics · Computer Science 2026-05-14 Amir Hossain Raj , Dibyendu Das , Xuesu Xiao

(Simplified Abstract) To accomplish breakthroughs in dynamic whole-body locomotion, legged robots have to be terrain aware. Terrain-Aware Locomotion (TAL) implies that the robot can perceive the terrain with its sensors, and can take…

Robotics · Computer Science 2022-12-02 Shamel Fahmi