Learning task space actions for bipedal locomotion

H Duan, J Dao, K Green, T Apgar… - … on Robotics and …, 2021 - ieeexplore.ieee.org
Recent work has demonstrated the success of reinforcement learning (RL) for training
bipedal locomotion policies for real robots. This prior work, however, has focused on …

Learning spring mass locomotion: Guiding policies with a reduced-order model

K Green, Y Godse, J Dao, RL Hatton… - IEEE Robotics and …, 2021 - ieeexplore.ieee.org
In this letter, we describe an approach to achieve dynamic legged locomotion on physical
robots which combines existing methods for control with reinforcement learning. Specifically …

Impact invariant control with applications to bipedal locomotion

W Yang, M Posa - 2021 IEEE/RSJ International Conference on …, 2021 - ieeexplore.ieee.org
When legged robots impact their environment, they undergo large changes in their velocities
in a small amount of time. Measuring and applying feedback to these velocities is …

Robust quadrupedal jum** with impact-aware landing: Exploiting parallel elasticity

J Ding, V Atanassov, E Panichi, J Kober… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Introducing parallel elasticity in the hardware design endows quadrupedal robots with the
ability to perform explosive and efficient motions. However, for this kind of articulated soft …

Slip walking over rough terrain via h-lip step** and backstep**-barrier function inspired quadratic program

X ** to stabilize periodic hybrid orbits
J Zhu, NJ Kong, G Council… - … Conference on Robotics …, 2022 - ieeexplore.ieee.org
Many controllers for legged robotic systems leverage open-or closed-loop control at discrete
hybrid events to enhance stability. These controllers appear in several well studied …

Design and dynamic analysis of a compliant leg configuration towards the biped robot's spring-like walking

G Luo, R Du, S Zhu, S Song, H Yuan, H Zhou… - Journal of Intelligent & …, 2022 - Springer
The spring-loaded inverted pendulum (SLIP) model has been proven successfully applied to
implement spring-like walking for biped robots. This work presents a compliant leg …

Fast online optimization for terrain-blind bipedal robot walking with a decoupled actuated slip model

K Wang, H Fei, P Kormushev - Frontiers in Robotics and AI, 2022 - frontiersin.org
We present an online optimization algorithm which enables bipedal robots to blindly walk
over various kinds of uneven terrains while resisting pushes. The proposed optimization …

Single-leg forward hop** via nonlinear modes

D Calzolari, C Della Santina… - 2022 American …, 2022 - ieeexplore.ieee.org
Implementing dynamic legged locomotion entails stabilizing oscillatory behaviors in
complex mechanical systems. Whenever possible, locomotion algorithms should also …