Zobrazeno 1 - 10
of 576
pro vyhledávání: '"GPS-denied"'
Publikováno v:
Defence Technology, Vol 40, Iss , Pp 225-241 (2024)
Protection of urban critical infrastructures (CIs) from GPS-denied, bomb-carrying kamikaze drones (G-B-KDs) is very challenging. Previous approaches based on drone jamming, spoofing, communication interruption and hijacking cannot be applied in the c
Externí odkaz:
https://doaj.org/article/41193dcadf39412fbe8ff906f13e3467
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Accurate indoor positioning is the key to the development of the Internet of Things and intelligent devices. In view of GPS-denied indoor environments, we propose to build the indoor local positioning system by using ultra-wide band (UWB) sy
Externí odkaz:
https://doaj.org/article/d62a2fe5d5fd4eae998b454a0e1080f3
Publikováno v:
Aircraft Engineering and Aerospace Technology, 2023, Vol. 96, Issue 1, pp. 63-72.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AEAT-05-2023-0124
Publikováno v:
IEEE Access, Vol 12, Pp 113049-113071 (2024)
Unmanned Aerial Vehicles (UAVs) have proliferated across diverse domains. However, optimal UAV operations necessitate precise and reliable navigation systems. UAVs predominantly rely on the Global Navigation Satellite System (GNSS), such as the Globa
Externí odkaz:
https://doaj.org/article/c45aabf819ae4e429a17161db4dd527a
Autor:
Issaree Srisomboon, Sanghwan Lee
Publikováno v:
IEEE Access, Vol 12, Pp 13355-13369 (2024)
Unmanned aerial vehicle (UAV) technology has demonstrated outstanding performance and has become an essential innovation in current applications. In outdoor surveillance operations, such as geolocation and navigation in restricted areas, an unmanned
Externí odkaz:
https://doaj.org/article/f824cb0195ea4f979f8744459d304aa7
Publikováno v:
Robotics, Vol 13, Iss 10, p 148 (2024)
This work concerns the autonomous navigation of non-holonomic ground mobile robots in a GPS-denied environment. The objective was to locate, in a global frame, without GPS, anonymous ground mobile robots starting from two consecutive aerial images ca
Externí odkaz:
https://doaj.org/article/ea65927478ca4cc999ddcf19f6440109
Publikováno v:
Sensors, Vol 24, Iss 17, p 5529 (2024)
Modern systems and devices, including unmanned aerial systems (UASs), autonomous vehicles, and other unmanned and autonomous systems, commonly rely on the Global Positioning System (GPS) for positioning, navigation, and timing (PNT). Cellular mobile
Externí odkaz:
https://doaj.org/article/bc56091e4bf14b8fb04f5dad6cc03848
Publikováno v:
Sensors, Vol 24, Iss 7, p 2183 (2024)
This paper proposes a new sensor using optical flow to stabilize a quadrotor when a GPS signal is not available. Normally, optical flow varies with the attitude of the aerial vehicle. This produces positive feedback on the attitude control that desta
Externí odkaz:
https://doaj.org/article/fb6c98d3ea034024a382c04a67085f7d
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