Scientific exploration of challenging planetary analog environments with a team of legged robots

P Arm, G Waibel, J Preisig, T Tuna, R Zhou, V Bickel… - Science robotics, 2023 - science.org
The interest in exploring planetary bodies for scientific investigation and in situ resource
utilization is ever-rising. Yet, many sites of interest are inaccessible to state-of-the-art …

Cat-like jumping and landing of legged robots in low gravity using deep reinforcement learning

N Rudin, H Kolvenbach, V Tsounis… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, we show that learned policies can be applied to solve legged locomotion
control tasks with extensive flight phases, such as those encountered in space exploration …

Learning-based design and control for quadrupedal robots with parallel-elastic actuators

F Bjelonic, J Lee, P Arm, D Sako… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
Parallel-elastic joints can improve the efficiency and strength of robots by assisting the
actuators with additional torques. For these benefits to be realized, a spring needs to be …

[HTML][HTML] Design and dynamic locomotion control of quadruped robot with perception-less terrain adaptation

L Wang, L Meng, R Kang, B Liu, S Gu… - Cyborg and Bionic …, 2022 - spj.science.org
In this paper, a parallel quadrupedal robot was designed that is capable of versatile dynamic
locomotion and perception-less terrain adaptation. Firstly, a quadrupedal robot with a …

Towards jumping locomotion for quadruped robots on the moon

H Kolvenbach, E Hampp, P Barton… - 2019 IEEE/RSJ …, 2019 - ieeexplore.ieee.org
Jumping locomotion has the potential to enable legged robots to overcome obstacles and
travel efficiently on low-gravity celestial bodies. We present how the 22 kg quadruped robot …

Haptic inspection of planetary soils with legged robots

H Kolvenbach, C Bärtschi, L Wellhausen… - IEEE Robotics and …, 2019 - ieeexplore.ieee.org
Planetary exploration robots encounter challenging terrain during operation. Vision-based
approaches have failed to reliably predict soil characteristics in the past, making it necessary …

Traversing steep and granular martian analog slopes with a dynamic quadrupedal robot

H Kolvenbach, P Arm, E Hampp, A Dietsche… - arXiv preprint arXiv …, 2021 - arxiv.org
Celestial bodies such as the Moon and Mars are mainly covered by loose, granular soil, a
notoriously challenging terrain to traverse with (wheeled) robotic systems. Here, we present …

Overconstrained coaxial design of robotic legs with omni-directional locomotion

Y Gu, S Feng, Y Guo, F Wan, JS Dai, J Pan… - Mechanism and Machine …, 2022 - Elsevier
While being extensively researched in literature, overconstrained linkages' engineering
potential is yet to be explored. This study investigates the design of overconstrained …

[HTML][HTML] Assisted operation of a robotic arm based on stereo vision for positioning near an explosive device

A Montoya Angulo, L Pari Pinto, E Sulla Espinoza… - Robotics, 2022 - mdpi.com
This document presents an assisted operation system of a robotic arm for positioning near
an explosive device selected by the user through the visualization of the cameras on the …

Dexterity, workspace and performance analysis of the conceptual design of a novel three-legged, redundant, lightweight, compliant, serial-parallel robot

D Feller - Journal of Intelligent & Robotic Systems, 2023 - Springer
In this article, the mechanical design and analysis of a novel three-legged, agile robot with
passively compliant 4-degrees-of-freedom legs, comprising a hybrid topology of serial …