Walking control based on step timing adaptation

M Khadiv, A Herzog, SAA Moosavian… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Step adjustment can improve the gait robustness of biped robots; however, the adaptation of
step timing is often neglected as it gives rise to nonconvex problems when optimized over …

Step timing adjustment: A step toward generating robust gaits

M Khadiv, A Herzog, SAA Moosavian… - 2016 IEEE-RAS 16th …, 2016 - ieeexplore.ieee.org
Step adjustment for humanoid robots has been shown to improve robustness in gaits.
However, step duration adaptation is often neglected in control strategies. In this paper, we …

Smooth trajectory generation and push-recovery based on divergent component of motion

J Englsberger, G Mesesan, C Ott - 2017 IEEE/RSJ International …, 2017 - ieeexplore.ieee.org
This paper presents a novel multi-step closed-form walking trajectory generator based on
the concept of Divergent Component of Motion (DCM) that guarantees smoothness of all …

Robust bipedal locomotion control based on model predictive control and divergent component of motion

M Shafiee-Ashtiani, A Yousefi-Koma… - … on Robotics and …, 2017 - ieeexplore.ieee.org
In this paper, previous works on the Model Predictive Control (MPC) and the Divergent
Component of Motion (DCM) for bipedal walking control are extended. To this end, we …

Step and timing adaptation during online dcm trajectory generation for robust humanoid walking with double support phases

T Egle, J Englsberger, C Ott - 2023 IEEE-RAS 22nd …, 2023 - ieeexplore.ieee.org
In this paper, we present a robust DCM-based online trajectory generator with step timing
adaptation using MPC in addition to manipulating the ground reaction forces by the DCM …

Task-space whole-body control with variable contact force control for position-controlled humanoid adaptation to unknown disturbance

Z Huang, C Dong, Z Yu, X Chen, F Meng… - Journal of Bionic …, 2023 - Springer
Whole-body control is beneficial for improving the disturbance adaptation of humanoid
robots, since it can simultaneously optimize desired joint torque, joint acceleration, and …

[PDF][PDF] A robust walking controller based on online step location and duration optimization for bipedal locomotion

M Khadiv, A Herzog, SAA Moosavian… - arxiv preprint arxiv …, 2017 - researchgate.net
Step adjustment for humanoid robots has been shown to improve gait robustness, while
timing adjustment is often neglected in control strategies. In this paper, a new walking …

Improved online adjustment of step timing and location for legged locomotion

H Sun, J Yang, H An, C Wang - Journal of Intelligent & Robotic Systems, 2021 - Springer
Online step adaptation is critical for legged locomotion to resist disturbances, while current
approaches mainly focus on step location regardless of step timing. This paper proposes an …

A robust biped locomotion based on linear-quadratic-Gaussian controller and divergent component of motion

M Kasaei, N Lau, A Pereira - 2019 IEEE/RSJ International …, 2019 - ieeexplore.ieee.org
Generating robust locomotion for a humanoid robot in the presence of disturbances is
difficult because of its high number of degrees of freedom and its unstable nature. In this …

A whole-body model predictive control scheme including external contact forces and com height variations

R Mirjalili, A Yousefi-Korna, FA Shirazi… - 2018 IEEE-RAS 18th …, 2018 - ieeexplore.ieee.org
In this paper, we present an approach for generating a variety of whole-body motions for a
humanoid robot. We extend the available Model Predictive Control (MPC) approaches for …