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Jianyong Zhang, Yanling Zhao, Zhenqi Hu and Wu Xiao
Rapid estimation of above-ground biomass (AGB) with high accuracy is essential for monitoring crop growth status and predicting crop yield. Recently, remote sensing techniques using unmanned aerial systems (UASs) have exhibited great potential in obtaini...
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Mariann Merz, Dário Pedro, Vasileios Skliros, Carl Bergenhem, Mikko Himanka, Torbjørn Houge, João P. Matos-Carvalho, Henrik Lundkvist, Baran Cürüklü, Rasmus Hamrén, Afshin E. Ameri, Carl Ahlberg and Gorm Johansen
Emerging precision agriculture techniques rely on the frequent collection of high-quality data which can be acquired efficiently by unmanned aerial systems (UAS). The main obstacle for wider adoption of this technology is related to UAS operational costs...
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Xinyu He, Chengpeng Jiang, Lishuai Li and Henk Blom
UAS-based commercial services such as urban parcel delivery are expected to grow in the upcoming years and may lead to a large volume of UAS operations in urban areas. These flights may pose safety risks to persons and property on the ground, which are r...
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Kyusur Jung, Songju Kim, Beechuilla Jung, Seyeon Kim, Hyunwoo Kang and Changbong Kang
Unmanned Aircraft System Traffic Management (UTM) is a traffic management system enabling drones to safely and efficiently fly in low-altitude airspace below 120~150m (400~500ft). UTM provides services such as communication, flight route management, loca...
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Viktor Popov, Sergiy Yepifanov, Yevhenii Kononykhyn and Aleksandr Tsaglov
This article presents the development of the electric turbofan engine in distributed architecture with a design thrust in the range of 3 to 7.5 and from 7.5 to 30 kN for small and medium-sized unmanned aerial vehicles. The engine subsystems are considere...
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Tim McCarthy, Lars Pforte and Rebekah Burke
Urban airspace environments present exciting new opportunities for delivering drone services to an increasingly large global market, including: information gathering; package delivery; air-taxi services. A key challenge is how to model airspace environme...
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Burchan Aydin, Emre Selvi, Jian Tao and Michael J. Starek
This paper examines the potential use of fire extinguishing balls as part of a proposed system, where drone and remote-sensing technologies are utilized cooperatively as a supplement to traditional firefighting methods. The proposed system consists of (1...
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Peter J. Burke
Using data from an Automatic Dependent Surveillance-Broadcast (ADSB) aggregator, a custom data-mining program was developed to identify all manned aircraft below 500' AGL within 5 miles of the KSNA airport on six specific days in 2018?2019. The data (a s...
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Emily Arnold, Fernando Rodriguez-Morales, John Paden, Carl Leuschen, Shawn Keshmiri, Stephen Yan, Mark Ewing, Rick Hale, Ali Mahmood, Aaron Blevins, Akhilesh Mishra, Teja Karidi, Bailey Miller and John Sonntag
Ice thickness and bed topography of fast-flowing outlet glaciers are large sources of uncertainty for the current ice sheet models used to predict future contributions to sea-level rise. Due to a lack of coverage and difficulty in sounding and imaging wi...
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Mantas Brazinskas, Stephen D. Prior and James P. Scanlan
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Mantas Brazinskas, Stephen D. Prior and James P. Scanlan
The majority of research into full-sized helicopter overlapping propulsion systems involves co-axial setups (fully overlapped). Partially overlapping rotor setups (tandem, multirotor) have received less attention, and empirical data produced over the yea...
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Andrzej Majka
Unmanned aircraft must be characterized by a level of safety, similar to that of manned aircraft, when performing flights over densely populated areas. Dangerous situations or emergencies are frequently connected with the necessity to change the profiles...
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Omar E. Mora, Amal Suleiman, Jorge Chen, Doug Pluta, Matthew H. Okubo and Rich Josenhans
Interest in small unmanned aircraft systems (sUAS) for topographic mapping has significantly grown in recent years, driven in part by technological advancements that have made it possible to survey small- to medium-sized areas quickly and at low cost usi...
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Dominique Paul Bergmann, Jan Denzel, Ole Pfeifle, Stefan Notter, Walter Fichter and Andreas Strohmayer
The high-power density and good scaling properties of electric motors enable new propulsion arrangements and aircraft configurations. This results in distributed propulsion systems allowing to make use of aerodynamic interaction effects between individua...
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Teresa Donateo, Claudia Lucia De Pascalis and Antonio Ficarella
The interest in electric and hybrid electric power system has been increasing, in recent times, due to the benefits of this technology, such as high power-to-weight ratio, reliability, compactness, quietness, and, above all, elimination of local pollutan...
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Lukasz Swiech
This paper presents the issues concerning calibration of a measurement system for monitoring the cross-sectional forces and moments of an unmanned aircraft?s wing. A composite cantilever wing with built-in measurement systems based on electrical resistan...
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Nichakorn Pongsakornsathien, Suraj Bijjahalli, Alessandro Gardi, Angus Symons, Yuting Xi, Roberto Sabatini and Trevor Kistan
Recent evolutions of the Unmanned Aircraft Systems (UAS) Traffic Management (UTM) concept are driving the introduction of new airspace structures and classifications, which must be suitable for low-altitude airspace and provide the required level of safe...
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Bethany Melville, Arko Lucieer and Jagannath Aryal
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Bethany Melville, Arko Lucieer and Jagannath Aryal
This paper presents the results of a study undertaken to classify lowland native grassland communities in the Tasmanian Midlands region. Data was collected using the 20 band hyperspectral snapshot PhotonFocus sensor mounted on an unmanned aerial vehicle....
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