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Learning highly dynamic behaviors for robots has been a longstanding challenge. Traditional approaches have demonstrated robust locomotion, but the exhibited behaviors lack diversity and agility. They employ approximate models, which lead…

Robotics · Computer Science 2024-02-22 Chong Zhang , Jiapeng Sheng , Tingguang Li , He Zhang , Cheng Zhou , Qingxu Zhu , Rui Zhao , Yizheng Zhang , Lei Han

Legged robots pose one of the greatest challenges in robotics. Dynamic and agile maneuvers of animals cannot be imitated by existing methods that are crafted by humans. A compelling alternative is reinforcement learning, which requires…

Navigating rugged landscapes poses significant challenges for legged locomotion. Multi-legged robots (those with 6 and greater) offer a promising solution for such terrains, largely due to their inherent high static stability, resulting…

Robotics · Computer Science 2024-09-17 Juntao He , Baxi Chong , Zhaochen Xu , Sehoon Ha , Daniel I. Goldman

Developing robust walking controllers for bipedal robots is a challenging endeavor. Traditional model-based locomotion controllers require simplifying assumptions and careful modelling; any small errors can result in unstable control. To…

Robotics · Computer Science 2021-03-29 Zhongyu Li , Xuxin Cheng , Xue Bin Peng , Pieter Abbeel , Sergey Levine , Glen Berseth , Koushil Sreenath

Wheel-legged robots with integrated manipulators hold great promise for mobile manipulation in logistics, industrial automation, and human-robot collaboration. However, unified control of such systems remains challenging due to the…

Robotics · Computer Science 2025-09-18 Zong Chen , Shaoyang Li , Ben Liu , Min Li , Zhouping Yin , Yiqun Li

In this article, we show that learned policies can be applied to solve legged locomotion control tasks with extensive flight phases, such as those encountered in space exploration. Using an off-the-shelf deep reinforcement learning…

Robotics · Computer Science 2021-06-18 Nikita Rudin , Hendrik Kolvenbach , Vassilios Tsounis , Marco Hutter

Humanoid robots are machines built with an anthropomorphic shape. Despite decades of research into the subject, it is still challenging to tackle the robot locomotion problem from an algorithmic point of view. For example, these machines…

Robotics · Computer Science 2020-04-28 Stefano Dafarra

This paper addresses the challenge of terrain-adaptive dynamic locomotion in humanoid robots, a problem traditionally tackled by optimization-based methods or reinforcement learning (RL). Optimization-based methods, such as model-predictive…

Robotics · Computer Science 2024-07-30 Shangqun Yu , Nisal Perera , Daniel Marew , Donghyun Kim

Safety concerns during the operation of legged robots must be addressed to enable their widespread use. Machine learning-based control methods that use model-based constraints provide promising means to improve robot safety. This study…

Robotics · Computer Science 2023-03-07 Berk Tosun , Evren Samur

Balancing and push-recovery are essential capabilities enabling humanoid robots to solve complex locomotion tasks. In this context, classical control systems tend to be based on simplified physical models and hard-coded strategies. Although…

Adaptive morphogenetic robots adapt their morphology and control policies to meet changing tasks and environmental conditions. Many such systems leverage soft components, which enable shape morphing but also introduce simulation and control…

Robust closed-loop locomotion remains challenging for soft quadruped robots due to high-dimensional dynamics, actuator hysteresis, and difficult-to-model contact interactions, while conventional proprioception provides limited information…

Robotics · Computer Science 2026-02-16 Storm de Kam , Ebrahim Shahabi , Cosimo Della Santina

Imitation learning is a promising approach for training humanoid robots to both walk and manipulate, but it requires a large number of demonstrations, which are time-intensive and difficult to collect via teleoperation. Existing…

Humans possess delicate dynamic balance mechanisms that enable them to maintain stability across diverse terrains and under extreme conditions. However, despite significant advances recently, existing locomotion algorithms for humanoid…

Robotics · Computer Science 2025-03-03 Weiji Xie , Chenjia Bai , Jiyuan Shi , Junkai Yang , Yunfei Ge , Weinan Zhang , Xuelong Li

Robotic collaborative carrying could greatly benefit human activities like warehouse and construction site management. However, coordinating the simultaneous motion of multiple robots represents a significant challenge. Existing works…

Robotics · Computer Science 2026-03-25 Francesca Bray , Simone Tolomei , Andrei Cramariuc , Cesar Cadena , Marco Hutter

Despite the progress in legged robotic locomotion, autonomous navigation in unknown environments remains an open problem. Ideally, the navigation system utilizes the full potential of the robots' locomotion capabilities while operating…

Robotics · Computer Science 2023-02-15 Jonas Frey , David Hoeller , Shehryar Khattak , Marco Hutter

Robots benefit from sensory information to coordinate body movement, gain robustness against perturbations, and transition between different modes to adapt to various terrains. However, few amphibious robots can sense interactions with both…

Robotics · Computer Science 2026-05-27 Qiyuan Fu , Sudong Lee , Andrea Grillo , Jonathan Arreguit , Louis Gevers , Josie Hughes , Auke J. Ijspeert

Throwing with a legged robot involves precise coordination of object manipulation and locomotion - crucial for advanced real-world interactions. Most research focuses on either manipulation or locomotion, with minimal exploration of tasks…

Robotics · Computer Science 2025-04-02 Humphrey Munn , Brendan Tidd , Peter Böhm , Marcus Gallagher , David Howard

Quadruped robots are progressively being integrated into human environments. Despite the growing locomotion capabilities of quadrupedal robots, their interaction with objects in realistic scenes is still limited. While additional robotic…

Robotics · Computer Science 2024-08-05 Zhengmao He , Kun Lei , Yanjie Ze , Koushil Sreenath , Zhongyu Li , Huazhe Xu

Generating dynamic motions for legged robots remains a challenging problem. While reinforcement learning has achieved notable success in various legged locomotion tasks, producing highly dynamic behaviors often requires extensive reward…

Robotics · Computer Science 2026-01-01 Dongyun Kang , Min-Gyu Kim , Tae-Gyu Song , Hajun Kim , Sehoon Ha , Hae-Won Park