Concurrent training of a control policy and a state estimator for dynamic and robust legged locomotion

G Ji, J Mun, H Kim, J Hwangbo - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
In this letter, we propose a locomotion training framework where a control policy and a state
estimator are trained concurrently. The framework consists of a policy network which outputs …

Agile and versatile climbing on ferromagnetic surfaces with a quadrupedal robot

S Hong, Y Um, J Park, HW Park - Science Robotics, 2022 - science.org
A climbing robot that can rapidly move on diverse surfaces such as floors, walls, and ceilings
will have an enlarged operational workspace compared with other terrestrial robots …

Design and control of a miniature bipedal robot with proprioceptive actuation for dynamic behaviors

Y Liu, J Shen, J Zhang, X Zhang… - … on Robotics and …, 2022 - ieeexplore.ieee.org
As the study of humanoid robots becomes a world-wide interdisciplinary research field, the
demand for a cost-effective bipedal robot system capable of dynamic behaviors is growing …

On-manifold model predictive control for trajectory tracking on robotic systems

G Lu, W Xu, F Zhang - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
Robotic systems usually evolve on manifolds, which are often overparameterized or
minimally parameterized (but with singularities) in model predictive control (MPC). How to …

Contact-implicit mpc: Controlling diverse quadruped motions without pre-planned contact modes or trajectories

G Kim, D Kang, JH Kim, S Hong, HW Park - arXiv preprint arXiv …, 2023 - arxiv.org
This paper presents a contact-implicit model predictive control (MPC) framework for the real-
time discovery of multi-contact motions, without predefined contact mode sequences or …

An error-state model predictive control on connected matrix Lie groups for legged robot control

S Teng, D Chen, W Clark… - 2022 IEEE/RSJ …, 2022 - ieeexplore.ieee.org
This paper reports on a new error-state Model Predictive Control (MPC) approach to
connected matrix Lie groups for robot control. The linearized tracking error dynamics and the …

Imitating and finetuning model predictive control for robust and symmetric quadrupedal locomotion

D Youm, H Jung, H Kim, J Hwangbo… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
Control of legged robots is a challenging problem that has been investigated by different
approaches, such as model-based control and learning algorithms. This work proposes a …

Design of KAIST HOUND, a quadruped robot platform for fast and efficient locomotion with mixed-integer nonlinear optimization of a gear train

YH Shin, S Hong, S Woo, JH Choe… - … on Robotics and …, 2022 - ieeexplore.ieee.org
This paper introduces a design method for an efficient and agile quadruped robot. A mixed-
integer optimization formulation including the number of gear teeth is derived to obtain the …

Vision-aided dynamic quadrupedal locomotion on discrete terrain using motion libraries

A Agrawal, S Chen, A Rai… - … Conference on Robotics …, 2022 - ieeexplore.ieee.org
In this paper, we present a framework rooted in control and planning that enables
quadrupedal robots to traverse challenging terrains with discrete footholds using visual …

Monte carlo tree search gait planner for non-gaited legged system control

L Amatucci, JH Kim, J Hwangbo… - … conference on robotics …, 2022 - ieeexplore.ieee.org
In this work, a non-gaited framework for legged system locomotion is presented. The
approach decouples the gait sequence optimization by considering the problem as a …