Results 1 to 10 of about 4,885,884 (343)
Multi-Satellite Relative Navigation Scheme for Microsatellites Using Inter-Satellite Radio Frequency Measurements [PDF]
Sensors, 2021 The inter-satellite relative navigation method—based on radio frequency (RF) range and angle measurements—offers good autonomy and high precision, and has been successfully applied to two-satellite formation missions.
Shiming Mo +5 more
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Autonomous Integrity Monitoring for Relative Navigation of Multiple Unmanned Aerial Vehicles
Remote Sensing, 2021 Accurate and reliable relative navigation is the prerequisite to guarantee the effectiveness and safety of various multiple Unmanned Aerial Vehicles (UAVs) cooperation tasks, when absolute position information is unavailable or inaccurate.
Yuan Sun
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A Submillimeter-Level Relative Navigation Technology for Spacecraft Formation Flying in Highly Elliptical Orbit [PDF]
Sensors, 2020 Spacecraft formation flying (SFF) in highly elliptical orbit (HEO) has attracted a great deal of attention in many space exploration applications, while precise guidance, navigation, and control (GNC) technology—especially precise ranging—are the basis ...
Xiaoliang Wang +7 more
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Relative Navigation with Intermittent Laser-based Measurement for Spacecraft Formation Flying
Journal of Astronomy and Space Sciences, 2018 This paper presents relative navigation using intermittent laser-based measurement data for spacecraft flying formation that consist of two spacecrafts; namely, chief and deputy spacecrafts. The measurement data consists of the relative distance measured
Jongwoo Lee +2 more
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Uncooperative Spacecraft Relative Navigation With LIDAR-Based Unscented Kalman Filter
IEEE Access, 2019 Autonomous relative navigation is a critical functionality which needs to be developed to enable safe maneuvers of a servicing spacecraft (chaser) in close-proximity with respect to an uncooperative space target, in the frame of future On-Orbit Servicing
Roberto Opromolla, Alessia Nocerino
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IET Radar, Sonar & Navigation, 2021 Multiple unmanned aerial vehicle (UAV) systems have attracted extensive research interest for their potential benefits of scalability and flexibility. To keep all the UAVs in the desired formation, the navigation system must continuously provide highly ...
Jiawen Shen +3 more
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Deep Learning-based Spacecraft Relative Navigation Methods: A Survey [PDF]
Acta Astronautica, 2021 Autonomous spacecraft relative navigation technology has been planned for and applied to many famous space missions. The development of on-board electronics systems has enabled the use of vision-based and LiDAR-based methods to achieve better ...
Jianing Song, Duarte Rondao, N. Aouf
semanticscholar +1 more source
A Real-Time Simulator for Navigation in GNSS-Denied Environments of UAV Swarms
Applied Sciences, 2023 Accurate localization is the foundation of unmanned aerial vehicle (UAV) swarm applications in the global navigation satellite system (GNSS)-denied environment.
He Zhang +5 more
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Relative Navigation Strategy About Unknown and Uncooperative Targets
Journal of Guidance Control and Dynamics, 2023 In recent years, space debris has become a threat for satellites operating in low Earth orbit. Even by applying mitigation guidelines, their number will still increase over the course of the century.
Michele Maestrini +2 more
semanticscholar +1 more source
Sensors, 2021 In this study, submillimeter level accuracy K-band microwave ranging (MWR) equipment is demonstrated, aiming to verify the detection of the Earth’s gravity field (EGF) and digital elevation models (DEM), through spacecraft formation flying (SFF) in low ...
Xiaoliang Wang +5 more
doaj +1 more source