Results 11 to 20 of about 244,139 (311)
Formation Flying Lyapunov-Based Control Using Lorentz Forces
Aerospace, 2023 A formation flying control algorithm using the Lorentz force for Low Earth Orbits to achieve a trajectory with required shape and size is proposed in the paper.
Danil Ivanov +4 more
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Atmosphere, 2021 Unmanned aerial vehicles (UAVs) have been used for increasing research applications in atmospheric measurements. However, most current solutions for these applications are based on a single UAV with limited payload capacity.
Juntang Yang +6 more
doaj +1 more source
Autonomous Real-time Relative Navigation for Formation Flying Satellites [PDF]
Journal of Astronomy and Space Sciences, 2009 Relative navigation system is presented using GPS measurements from a single-channel global positioning system (GPS) simulator. The objective of this study is to provide the real-time inter-satellite relative positions as well as absolute positions for ...
Sunhwa Shim +2 more
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Analysis of Linear and Nonlinear Relative Orbit Dynamics for Satellite Formation Flying [PDF]
Journal of Astronomy and Space Sciences, 2009 Relative dynamic models of satellites which describe the relative motion between two satellites is fundamental for research on the formation flying. The accuracy of various linearized or nonlinear models of relative motion is analyzed and compared.
Han-Earl Park +3 more
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Spacecraft formation-flying using potential functions [PDF]
, 2008 A group of small spacecraft able to change their relative position and attitude through the use of the potential function method is discussed. The spacecraft shapes, sizes and manoeuvring capabilities are not identical, although all are assumed to ...
Badawy, Ahmed, McInnes, Colin R.
core +1 more source
Dynamics and Control of Satellite Formations Invariant under the Zonal Harmonic Perturbation
Applied Sciences, 2023 A satellite formation operating in low-altitude orbits is subject to perturbations associated to the higher-order harmonics of the gravitational field, which cause a degradation of the formation configurations designed based on the unperturbed model of ...
Stefano Carletta
doaj +1 more source
Robust Satellite Formation Flying Controller Design Subject to Communication Delays
IEEE Access, 2020 A robust control method is proposed to address the satellite formation flying problem subject to communication delays. Each satellite dynamics involves nonlinear dynamics, parametric uncertainties, and external disturbances.
Yue Gao, Hao Liu, Yu Tian
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Drones, 2022 Trajectory planning of multiple unmanned aerial vehicles (UAVs) is the basis for them to form the formation flight. By considering trajectory planning of multiple UAVs in formation flight in three-dimensional space, a trajectory planning method in four ...
Jie Zhang +6 more
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Three-dimensional formation flying using bifurcating potential fields [PDF]
, 2009 This paper describes the design of a three-dimensional formation flying guidance and control algorithm for a swarm of autonomous Unmanned Aerial Vehicles (UAVs), using the new approach of bifurcating artificial potential fields.
Bennet, Derek J. +3 more
core +1 more source
Electromagnetic Formation Flying with Eccentric Reference Orbits [PDF]
, 2013 Over the last decade, a considerable amount of research work has been done in the area of spacecraft formation flight, with particular emphasis on control techniques using thruster-based systems.
Ceriotti, Matteo +2 more
core +1 more source