Representation granularity enables time-efficient autonomous exploration in large, complex worlds

C Cao, H Zhu, Z Ren, H Choset, J Zhang - Science Robotics, 2023 - science.org
We propose a dual-resolution scheme to achieve time-efficient autonomous exploration with
one or many robots. The scheme maintains a high-resolution local map of the robot's …

Geometrically constrained trajectory optimization for multicopters

Z Wang, X Zhou, C Xu, F Gao - IEEE Transactions on Robotics, 2022 - ieeexplore.ieee.org
In this article, we present an optimization-based framework for multicopter trajectory
planning subject to geometrical configuration constraints and user-defined dynamic …

Autonomous exploration development environment and the planning algorithms

C Cao, H Zhu, F Yang, Y Xia, H Choset… - … on Robotics and …, 2022 - ieeexplore.ieee.org
Autonomous Exploration Development Environment is an open-source repository released
to facilitate development of high-level planning algorithms and integration of com-plete …

PyPose: A library for robot learning with physics-based optimization

C Wang, D Gao, K Xu, J Geng, Y Hu… - Proceedings of the …, 2023 - openaccess.thecvf.com
Deep learning has had remarkable success in robotic perception, but its data-centric nature
suffers when it comes to generalizing to ever-changing environments. By contrast, physics …

[PDF][PDF] Resilient and modular subterranean exploration with a team of roving and flying robots

S Scherer, V Agrawal, G Best, C Cao, K Cujic… - Field …, 2022 - opus.lib.uts.edu.au
Subterranean robot exploration is difficult, with many mobility, communications, and
navigation challenges that require an approach with a diverse set of systems, and reliable …

DSVP: Dual-stage viewpoint planner for rapid exploration by dynamic expansion

H Zhu, C Cao, Y Xia, S Scherer… - 2021 IEEE/RSJ …, 2021 - ieeexplore.ieee.org
We present a method for efficiently exploring highly convoluted environments. The method
incorporates two planning stages-an exploration stage for extending the boundary of the …

Avoiding dynamic small obstacles with onboard sensing and computation on aerial robots

F Kong, W Xu, Y Cai, F Zhang - IEEE Robotics and Automation …, 2021 - ieeexplore.ieee.org
In practical applications, autonomous quadrotors are still facing significant challenges, such
as the detection and avoidance of very small and even dynamic obstacles (eg, tree …

Bubble planner: Planning high-speed smooth quadrotor trajectories using receding corridors

Y Ren, F Zhu, W Liu, Z Wang, Y Lin… - 2022 IEEE/RSJ …, 2022 - ieeexplore.ieee.org
Quadrotors are agile platforms. With human experts, they can perform extremely high-speed
flights in cluttered environments. However, fully autonomous flight at high speed remains a …

An efficient locally reactive controller for safe navigation in visual teach and repeat missions

M Mattamala, N Chebrolu… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
To achieve successful field autonomy, mobile robots need to freely adapt to changes in their
environment. Visual navigation systems such as Visual Teach and Repeat (VT&R) often …

iplanner: Imperative path planning

F Yang, C Wang, C Cadena, M Hutter - arXiv preprint arXiv:2302.11434, 2023 - arxiv.org
The problem of path planning has been studied for years. Classic planning pipelines,
including perception, mapping, and path searching, can result in latency and compounding …