A strategy for safe 3D navigation of non-holonomic robots among moving obstacles

C Wang, AV Savkin, M Garratt - Robotica, 2018 - cambridge.org
A non-holonomic robot with a bounded control input travels in a dynamic unknown 3D
environment with moving obstacles. We propose a 3D navigation strategy to reach a given …

Output consensus and collision avoidance of a team of flexible spacecraft for on-orbit autonomous assembly

T Chen, H Wen, H Hu, D ** - Acta Astronautica, 2016 - Elsevier
Multiple spacecraft that work in concert to assemble as a cohesive unit will play an important
role in future space missions. In addition, the individual spacecraft trends to be more and …

The usability of unmanned aerial vehicles (UAVs) for measuring park-based physical activity

K Park, R Ewing - Landscape and Urban Planning, 2017 - Elsevier
While various observation techniques have been developed to measure park use or park-
based physical activity, no study has used unmanned aerial vehicles (UAVs) to do so. Thus …

UAV formation control with obstacle avoidance using improved artificial potential fields

Y Zhao, L Jiao, R Zhou, J Zhang - 2017 36th Chinese Control …, 2017 - ieeexplore.ieee.org
Researches on unmanned aerial vehicle (UAV) formation control are attracting more and
more researchers' attention. Obstacle avoidance is a key problem of UAV formation. In this …

Nonlinear model predictive guidance for fixed-wing UAVs using identified control augmented dynamics

T Stastny, R Siegwart - 2018 International Conference on …, 2018 - ieeexplore.ieee.org
As off-the-shelf (OTS) autopilots become more widely available and user-friendly and the
drone market expands, safer, more efficient, and more complex motion planning and control …

On-orbit assembly of a team of flexible spacecraft using potential field based method

T Chen, H Wen, H Hu, D ** - Acta Astronautica, 2017 - Elsevier
In this paper, a novel control strategy is developed based on artificial potential field for the
on-orbit autonomous assembly of four flexible spacecraft without inter-member collision …

A modified artificial potential field for UAV collision avoidance

A Srivastava, VR Vasudevan… - 2023 International …, 2023 - ieeexplore.ieee.org
As UAV applications in the civilian airspace increases, securely operating them in
congested environment becomes more challenging. A Cauchy Artificial Potential Field …

Techniques for navigating UAVs using ground-based transmitters

CT Allen, SS Keshmiri, M Al Aziz - US Patent 9,945,931, 2018 - Google Patents
Abstract Systems, methods, apparatuses and computer-readable storage media for
navigating an unmanned aerial vehicle (UAV) using signals of opportunity are disclosed …

Real-time formation control and obstacle avoidance algorithm for fixed-wing UAVs

AM Kahagh, F Pazooki, SE Haghighi… - The Aeronautical …, 2022 - cambridge.org
This paper proposes a novel real-time formation control and obstacle avoidance algorithm
for multiple fixed-wing UAVs. A formation control algorithm is designed by a combination of …

Model predictive altitude and velocity control in ergodic potential field directed multi-UAV search

L Lanča, K Jakac, S Ivić - arxiv preprint arxiv:2401.02899, 2024 - arxiv.org
This research addresses the challenge of executing multi-UAV survey missions over diverse
terrains characterized by varying elevations. The approach integrates advanced two …