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Max Friedrich and Mark Vollrath
The envisioned introduction of autonomous Small Unmanned Aircraft Systems (sUAS) into low-altitude urban airspace necessitates high levels of system safety. Despite increased system autonomy, humans will most likely remain an essential component in assur...
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Ying Hong Pheh, Shane Kyi Hla Win and Shaohui Foong
Even as human?robot interactions become increasingly common, conventional small Unmanned Aircraft Systems (sUAS), typically multicopters, can still be unsafe for deployment in an indoor environment in close proximity to humans without significant safety ...
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Benjamin L. Hemingway, Amy E. Frazier, Brian R. Elbing and Jamey D. Jacob
The lowest portion of the Earth?s atmosphere, known as the atmospheric boundary layer (ABL), plays an important role in the formation of weather events. Simple meteorological measurements collected from within the ABL, such as temperature, pressure, humi...
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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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Robert Philpott III, Benjamin Kwasa and Christina Bloebaum
Widespread use of small unmanned aircraft systems is becoming prominent in the US. From structural health monitoring to journalism, small unmanned aerial systems (sUAS) are allowing people to gain a view of their surroundings and conduct their jobs in wa...
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Scott Xiang Fang, Siu O?Young and Luc Rolland
Due to safety concerns of integrating small unmanned aircraft systems (UAS) into non-segregated airspace, aviation authorities have required a set of detect and avoid (DAA) systems to be equipped on small UAS for beyond-visual-line-of-sight (BVLOS) fligh...
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Robert Philpott III, Benjamin Kwasa and Christina Bloebaum
Widespread use of small unmanned aircraft systems is becoming prominent in the US. From structural health monitoring to journalism, small unmanned aerial systems (sUAS) are allowing people to gain a view of their surroundings and conduct their jobs in wa...
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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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Jianan Zong, Bingjie Zhu, Zhongxi Hou, Xixiang Yang and Jiaqi Zhai
Electric propulsion technology has attracted much attention in the aviation industry at present. It has the advantages of environmental protection, safety, low noise, and high design freedom. An important research branch of electric propulsion aircraft i...
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Oliver Hirling and Florian Holzapfel
The European Aviation Safety Agency (EASA) plans to establish a sole risk-based set of regulations for drones to grant access to European airspace, thus opening a multibillion-euro market. One part of this new regulation set is the so-called ?open? categ...
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Eric J. Kim and Ruben E. Perez
The energy efficiency and flight endurance of small unmanned aerial vehicles (SUAVs) can be improved through the implementation of autonomous soaring strategies. Biologically inspired flight techniques such as dynamic and thermal soaring offer significan...
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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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Narcisa G. Pricope, Kerry L. Mapes, Kyle D. Woodward, Steele F. Olsen and J. Britton Baxley
There is a growing demand for the collection of ultra-high spatial resolution imagery using unmanned aerial systems (UASs). UASs are a cost-effective solution for data collection on small scales and can fly at much lower altitudes, thus yielding spatial ...
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Oliver Hirling and Florian Holzapfel
The European Aviation Safety Agency (EASA) plans to establish a sole risk-based set of regulations for drones to grant access to European airspace, thus opening a multibillion-euro market. One part of this new regulation set is the so-called “open&...
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Hermann Knaus, Martin Hofsäß, Alexander Rautenberg and Jens Bange
A model for the simulation of wind flow in complex terrain is presented based on the Reynolds averaged Navier?Stokes (RANS) equations. For the description of turbulence, the standard k-e, the renormalization group (RNG) k-e, and a Reynolds stress turbule...
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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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Ziyang Tang, Xiang Liu, Hanlin Chen, Joseph Hupy and Baijian Yang
Unmanned Aerial Systems, hereafter referred to as UAS, are of great use in hazard events such as wildfire due to their ability to provide high-resolution video imagery over areas deemed too dangerous for manned aircraft and ground crews. This aerial pers...
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