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This paper designs a new spherical robot structure capable of supporting high-speed motion at up to 10 m/s. Building upon a single-pendulum-driven spherical robot, the design incorporates a momentum wheel with an axis aligned with the…

Robotics · Computer Science 2025-11-04 Bixuan Zhang , Fengqi Zhang , Haojie Chen , You Wang , Jie Hao , Zhiyuan Luo , Guang Li

Our paper proposes a model predictive controller as a single-task formulation that simultaneously optimizes wheel and torso motions. This online joint velocity and ground reaction force optimization integrates a kinodynamic model of a…

Robotics · Computer Science 2021-07-07 Marko Bjelonic , Ruben Grandia , Oliver Harley , Cla Galliard , Samuel Zimmermann , Marco Hutter

Ants are six-legged insects that can carry loads ten times heavier than their body weight. Since having six-legs, they are intrinsically stable. They are powerful and can carry heavy loads. For these reasons, in this paper a new parallel…

Robotics · Computer Science 2020-04-09 Ahmad Ghanbari , Mahdieh Babaiasl , Ako Veisinejad

Learning motion tracking from rich human motion data is a foundational task for achieving general control in humanoid robots, enabling them to perform diverse behaviors. However, discrepancies in morphology and dynamics between humans and…

Robotics · Computer Science 2026-03-02 Yuhan Li , Peiyuan Zhi , Yunshen Wang , Tengyu Liu , Sixu Yan , Wenyu Liu , Xinggang Wang , Baoxiong Jia , Siyuan Huang

Performing agile navigation with four-legged robots is a challenging task due to the highly dynamic motions, contacts with various parts of the robot, and the limited field of view of the perception sensors. In this paper, we propose a…

Robotics · Computer Science 2023-06-27 David Hoeller , Nikita Rudin , Dhionis Sako , Marco Hutter

This paper discusses the concept and parameter design of a Robust Stair Climbing Compliant Modular Robot, capable of tackling stairs with overhangs. Modifying the geometry of the periphery of the wheels of our robot helps in tackling…

Recent advancements in whole-body control through deep reinforcement learning have enabled humanoid robots to achieve remarkable progress in real-world chal lenging locomotion skills. However, existing approaches often struggle with…

Robotics · Computer Science 2026-04-17 Yuen-Fui Lau , Qihan Zhao , Yinhuai Wang , Runyi Yu , Hok Wai Tsui , Qifeng Chen , Ping Tan

Fast and modular modeling of multi-legged robots (MLRs) is essential for resilient control, particularly under significant morphological changes caused by mechanical damage. Conventional fixed-structure models, often developed with…

Robotics · Computer Science 2025-04-24 Sahand Farghdani , Omar Abdelrahman , Robin Chhabra

Quadrupedal robots have emerged as versatile agents capable of locomoting and manipulating in complex environments. Traditional designs typically rely on the robot's inherent body parts or incorporate top-mounted arms for manipulation…

Robotics · Computer Science 2024-10-21 Changyi Lin , Xingyu Liu , Yuxiang Yang , Yaru Niu , Wenhao Yu , Tingnan Zhang , Jie Tan , Byron Boots , Ding Zhao

In both animals and robots, locomotion capabilities are determined by the physical structure of the system. The majority of legged animals and robots are bilaterally symmetric, which facilitates locomotion with consistent headings and…

Robotics · Computer Science 2024-02-08 Adam Joshua Hung , Challen Enninful Adu , Talia Y. Moore

Animals locomote robustly and agile, albeit significant sensorimotor delays of their nervous system. The sensorimotor control of legged robots is implemented with much higher frequencies-often in the kilohertz range-and sensor and actuator…

A robot simulation system is a basic need for any robotics application. With it, developers' teams of robots can test their algorithms and make initial calibrations without risk of damage to the real robots, assuring safety. However,…

Robotics · Computer Science 2022-11-17 Sandro Costa Magalhães , António Paulo Moreira , Paulo Costa

Hybrid locomotion of wheeled-legged robots has recently attracted increasing attention due to their advantages of combining the agility of legged locomotion and the efficiency of wheeled motion. But along with expanded performance, the…

Robotics · Computer Science 2025-10-14 Jingyuan Sun , Hongyu Ji , Zihan Qu , Chaoran Wang , Mingyu Zhang

Various musculoskeletal humanoids have been developed so far. While these humanoids have the advantage of their flexible and redundant bodies that mimic the human body, they are still far from being applied to real-world tasks. One of the…

Tensegrity robots, composed of rigid struts and elastic tendons, provide impact resistance, low mass, and adaptability to unstructured terrain. Their compliance and complex, coupled dynamics, however, present modeling and control…

Reorientation (turning in plane) plays a critical role for all robots in any field application, especially those that in confined spaces. While important, reorientation remains a relatively unstudied problem for robots, including limbless…

Robotics · Computer Science 2022-03-04 Tianyu Wang , Baxi Chong , Yuelin Deng , Ruijie Fu , Howie Choset , Daniel I. Goldman

Amphibious legged robots inspired by salamanders are promising in applications in complex amphibious environments. However, despite the significant success of training controllers that achieve diverse locomotion behaviors in conventional…

Robotics · Computer Science 2026-03-18 Mengze Tian , Qiyuan Fu , Chuanfang Ning , Javier Jia Jie Pey , Auke Ijspeert

Humanoid robots are made to resemble humans but their locomotion abilities are far from ours in terms of agility and versatility. When humans walk on complex terrains, or face external disturbances, they combine a set of strategies,…

Robotics · Computer Science 2021-10-28 Mohammadreza Kasaei , Miguel Abreu , Nuno Lau , Artur Pereira , Luis Paulo Reis

Humanoid robots hold great promise in assisting humans in diverse environments and tasks, due to their flexibility and adaptability leveraging human-like morphology. However, research in humanoid robots is often bottlenecked by the costly…

Robotics · Computer Science 2024-06-21 Carmelo Sferrazza , Dun-Ming Huang , Xingyu Lin , Youngwoon Lee , Pieter Abbeel

Animals use limbs for both locomotion and manipulation. We aim to equip quadruped robots with similar versatility. This work introduces a system that enables quadruped robots to interact with objects using their legs, inspired by…

Robotics · Computer Science 2024-10-25 Xialin He , Chengjing Yuan , Wenxuan Zhou , Ruihan Yang , David Held , Xiaolong Wang