Versatile multicontact planning and control for legged loco-manipulation

JP Sleiman, F Farshidian, M Hutter - Science Robotics, 2023 - science.org
Loco-manipulation planning skills are pivotal for expanding the utility of robots in everyday
environments. These skills can be assessed on the basis of a system's ability to coordinate …

A unified mpc framework for whole-body dynamic locomotion and manipulation

JP Sleiman, F Farshidian, MV Minniti… - IEEE Robotics and …, 2021 - ieeexplore.ieee.org
In this letter, we propose a whole-body planning framework that unifies dynamic locomotion
and manipulation tasks by formulating a single multi-contact optimal control problem. We …

Crocoddyl: An efficient and versatile framework for multi-contact optimal control

C Mastalli, R Budhiraja, W Merkt… - … on Robotics and …, 2020 - ieeexplore.ieee.org
We introduce Crocoddyl (Contact RObot COntrol by Differential DYnamic Library), an open-
source framework tailored for efficient multi-contact optimal control. Crocoddyl efficiently …

Gait and trajectory optimization for legged systems through phase-based end-effector parameterization

AW Winkler, CD Bellicoso, M Hutter… - IEEE Robotics and …, 2018 - ieeexplore.ieee.org
We present a single trajectory optimization formulation for legged locomotion that
automatically determines the gait sequence, step timings, footholds, swing-leg motions, and …

Rloc: Terrain-aware legged locomotion using reinforcement learning and optimal control

S Gangapurwala, M Geisert, R Orsolino… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
We present a unified model-based and data-driven approach for quadrupedal planning and
control to achieve dynamic locomotion over uneven terrain. We utilize on-board …

Fast and efficient locomotion via learned gait transitions

Y Yang, T Zhang, E Coumans… - Conference on robot …, 2022 - proceedings.mlr.press
We focus on the problem of developing energy efficient controllers for quadrupedal robots.
Animals can actively switch gaits at different speeds to lower their energy consumption. In …

Stair-climbing robots: A review on mechanism, sensing, and performance evaluation

T Seo, S Ryu, JH Won, Y Kim, HS Kim - IEEE Access, 2023 - ieeexplore.ieee.org
Indoor service robots have been widely introduced in the fields of cleaning, delivery,
education, guidance, and healthcare, etc. in indoor environments. The mobility of an indoor …

Keep rollin'—whole-body motion control and planning for wheeled quadrupedal robots

M Bjelonic, CD Bellicoso, Y de Viragh… - IEEE Robotics and …, 2019 - ieeexplore.ieee.org
We show dynamic locomotion strategies for wheeled quadrupedal robots that combine the
advantages of both walking and driving. The developed optimization framework tightly …

Dynamic locomotion through online nonlinear motion optimization for quadrupedal robots

CD Bellicoso, F Jenelten, C Gehring… - IEEE Robotics and …, 2018 - ieeexplore.ieee.org
This letter presents a realtime motion planning and control method that enables a
quadrupedal robot to execute dynamic gaits including trot, pace, and dynamic lateral walk …

TAMOLS: Terrain-aware motion optimization for legged systems

F Jenelten, R Grandia, F Farshidian… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Terrain geometry is, in general, nonsmooth, nonlinear, nonconvex, and, if perceived through
a robot-centric visual unit, appears partially occluded and noisy. This article presents the …