Present and future of slam in extreme environments: The darpa subt challenge

K Ebadi, L Bernreiter, H Biggie, G Catt… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This article surveys recent progress and discusses future opportunities for simultaneous
localization and mapping (SLAM) in extreme underground environments. SLAM in …

Present and future of slam in extreme underground environments

K Ebadi, L Bernreiter, H Biggie, G Catt, Y Chang… - arXiv preprint arXiv …, 2022 - arxiv.org
This paper reports on the state of the art in underground SLAM by discussing different SLAM
strategies and results across six teams that participated in the three-year-long SubT …

MULLS: Versatile LiDAR SLAM via multi-metric linear least square

Y Pan, P Xiao, Y He, Z Shao, Z Li - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
The rapid development of autonomous driving and mobile mapping calls for off-the-shelf
LiDAR SLAM solutions that are adaptive to LiDARs of different specifications on various …

LAMP 2.0: A robust multi-robot SLAM system for operation in challenging large-scale underground environments

Y Chang, K Ebadi, CE Denniston… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
Search and rescue with a team of heterogeneous mobile robots in unknown and large-scale
underground environments requires high-precision localization and mapping. This crucial …

Super odometry: Imu-centric lidar-visual-inertial estimator for challenging environments

S Zhao, H Zhang, P Wang, L Nogueira… - 2021 IEEE/RSJ …, 2021 - ieeexplore.ieee.org
We propose Super Odometry, a high-precision multi-modal sensor fusion framework,
providing a simple but effective way to fuse multiple sensors such as LiDAR, camera, and …

Autonomous spot: Long-range autonomous exploration of extreme environments with legged locomotion

A Bouman, MF Ginting, N Alatur… - 2020 IEEE/RSJ …, 2020 - ieeexplore.ieee.org
This paper serves as one of the first efforts to enable large-scale and long-duration
autonomy using the Boston Dynamics Spot robot. Motivated by exploring extreme …

Direct lidar odometry: Fast localization with dense point clouds

K Chen, BT Lopez… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
Field robotics in perceptually-challenging environments require fast and accurate state
estimation, but modern LiDAR sensors quickly overwhelm current odometry algorithms. To …

[PDF][PDF] Cerberus: Autonomous legged and aerial robotic exploration in the tunnel and urban circuits of the darpa subterranean challenge

M Tranzatto, F Mascarich, L Bernreiter… - arXiv preprint arXiv …, 2022 - academia.edu
Autonomous exploration of subterranean environments constitutes a major frontier for
robotic systems as underground settings present key challenges that can render robot …

Locus 2.0: Robust and computationally efficient lidar odometry for real-time 3d mapping

A Reinke, M Palieri, B Morrell, Y Chang… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
Lidar odometry has attracted considerable attention as a robust localization method for
autonomous robots operating in complex GNSS-denied environments. However, achieving …

VILENS: Visual, inertial, lidar, and leg odometry for all-terrain legged robots

D Wisth, M Camurri, M Fallon - IEEE Transactions on Robotics, 2022 - ieeexplore.ieee.org
We present visual inertial lidar legged navigation system (VILENS), an odometry system for
legged robots based on factor graphs. The key novelty is the tight fusion of four different …