Contact-aided invariant extended Kalman filtering for robot state estimation

R Hartley, M Ghaffari, RM Eustice… - … International Journal of …, 2020 - journals.sagepub.com
Legged robots require knowledge of pose and velocity in order to maintain stability and
execute walking paths. Current solutions either rely on vision data, which is susceptible to …

[PDF][PDF] Analytical derivatives of rigid body dynamics algorithms

J Carpentier, N Mansard - Robotics: Science and …, 2018 - m.roboticsproceedings.org
Rigid body dynamics is a well-established frame--work in robotics. It can be used to expose
the analytic form of kinematic and dynamic functions of the robot model. So far, two major …

Simultaneous contact, gait, and motion planning for robust multilegged locomotion via mixed-integer convex optimization

B Aceituno-Cabezas, C Mastalli, H Dai… - IEEE Robotics and …, 2017 - ieeexplore.ieee.org
Traditional motion planning approaches for multilegged locomotion divide the problem into
several stages, such as contact search and trajectory generation. However, reasoning about …

Passive whole-body control for quadruped robots: Experimental validation over challenging terrain

S Fahmi, C Mastalli, M Focchi… - IEEE Robotics and …, 2019 - ieeexplore.ieee.org
We present experimental results using a passive whole-body control approach for
quadruped robots that achieves dynamic locomotion while compliantly balancing the robot's …

Motion planning for quadrupedal locomotion: Coupled planning, terrain mapping, and whole-body control

C Mastalli, I Havoutis, M Focchi… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Planning whole-body motions while taking into account the terrain conditions is a
challenging problem for legged robots since the terrain model might produce many local …

Model predictive control with environment adaptation for legged locomotion

N Rathod, A Bratta, M Focchi, M Zanon… - IEEE …, 2021 - ieeexplore.ieee.org
Re-planning in legged locomotion is crucial to track the desired user velocity while adapting
to the terrain and rejecting external disturbances. In this work, we propose and test in …

Pronto: A multi-sensor state estimator for legged robots in real-world scenarios

M Camurri, M Ramezani, S Nobili… - Frontiers in Robotics and …, 2020 - frontiersin.org
In this paper, we present a modular and flexible state estimation framework for legged robots
operating in real-world scenarios, where environmental conditions, such as occlusions, low …

Robust legged robot state estimation using factor graph optimization

D Wisth, M Camurri, M Fallon - IEEE Robotics and Automation …, 2019 - ieeexplore.ieee.org
Legged robots, specifically quadrupeds, are becoming increasingly attractive for industrial
applications such as inspection. However, to leave the laboratory and to become useful to …

Fast and continuous foothold adaptation for dynamic locomotion through cnns

OAV Magana, V Barasuol, M Camurri… - IEEE Robotics and …, 2019 - ieeexplore.ieee.org
Legged robots can outperform wheeled machines for most navigation tasks across unknown
and rough terrains. For such tasks, visual feedback is a fundamental asset to provide robots …

Online LiDAR-SLAM for legged robots with robust registration and deep-learned loop closure

M Ramezani, G Tinchev, E Iuganov… - 2020 IEEE international …, 2020 - ieeexplore.ieee.org
In this paper, we present a 3D factor-graph LiDAR-SLAM system which incorporates a state-
of-the-art deeply learned feature-based loop closure detector to enable a legged robot to …