Results 11 to 20 of about 14,403 (267)
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
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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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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
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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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IEEE Access, 2022 This paper addresses the distributed predefined-time attitude consensus problem for multiple uncertain spacecraft systems in the presence of model uncertainties and external disturbances.
Zeng Wang, Liangmou Hu, Jun Ma
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Influence of Satellite Motion Control System Parameters on Performance of Space Debris Capturing
Aerospace, 2020 Relative motion control problem for capturing the tumbling space debris object is considered. Onboard thrusters and reaction wheels are used as actuators. The nonlinear coupled relative translational and rotational equations of motion are derived.
Mahdi Akhloumadi, Danil Ivanov
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Filtering performance analyizing for Relative Navigation using Single Difference Carrier-Phase GPS [PDF]
Journal of Astronomy and Space Sciences, 2008 Satellite formation flying can provide the platform for interferometric observation to acquire the precise data and ensure the flexibility for space mission.
In-Kwan Park +4 more
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Satellite Formation Flying for Space Advertising: From Technically Feasible to Economically Viable
Aerospace, 2022 The paper presents a feasibility study of satellite formation-flying missions for space advertising. To estimate a space advertising mission viability, the global population coverage model is designed and the demonstration schedule with a focus on larger
Shamil Biktimirov +2 more
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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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