Learning agile locomotion on risky terrains

C Zhang, N Rudin, D Hoeller… - 2024 IEEE/RSJ …, 2024 - ieeexplore.ieee.org
Quadruped robots have shown remarkable mobility on various terrains through
reinforcement learning. Yet, in the presence of sparse footholds and risky terrains such as …

Learning arm-assisted fall damage reduction and recovery for legged mobile manipulators

Y Ma, F Farshidian, M Hutter - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
Adaptive falling and recovery skills greatly extend the applicability of robot deployments. In
the case of legged mobile manipulators, the robot arm could adaptively stop the fall and …

Agile but safe: Learning collision-free high-speed legged locomotion

T He, C Zhang, W **ao, G He, C Liu, G Shi - arxiv preprint arxiv …, 2024 - arxiv.org
Legged robots navigating cluttered environments must be jointly agile for efficient task
execution and safe to avoid collisions with obstacles or humans. Existing studies either …

Learning complex motor skills for legged robot fall recovery

C Yang, C Pu, G **n, J Zhang… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
Falling is inevitable for legged robots in challenging real-world scenarios, where
environments are unstructured and situations are unpredictable, such as uneven terrain in …

Custom sine waves are enough for imitation learning of bipedal gaits with different styles

Q Wu, C Zhang, Y Liu - 2022 IEEE International Conference on …, 2022 - ieeexplore.ieee.org
Not until recently, robust bipedal locomotion has been achieved through reinforcement
learning. However, existing implementations rely heavily on insights and efforts from human …

Generating a terrain-robustness benchmark for legged locomotion: A prototype via terrain authoring and active learning

C Zhang, L Yang - 2023 IEEE International Conference on …, 2023 - ieeexplore.ieee.org
Terrain-aware locomotion has become an emerging topic in legged robotics. However, it is
hard to generate diverse, challenging, and realistic unstructured terrains in simulation, which …

Fall prediction, control, and recovery of quadruped robots

H Sun, J Yang, Y Jia, C Zhang, X Yu, C Wang - ISA transactions, 2024 - Elsevier
When legged robots perform complex tasks in unstructured environments, falls are
inevitable due to unknown external disturbances. However, current research mainly focuses …

[PDF][PDF] Closing the sim-to-real gap for ultra-low-cost resource-constrained quadruped robot platforms

J Jabbour, SM Neuman, M Mazumder… - 3rd Workshop on …, 2022 - jabbourjason.com
Automating robust walking gaits for legged robots has been a long-standing challenge.
Previous work has achieved robust locomotion gaits on sophisticated quadruped hardware …