Results 61 to 70 of about 5,349 (171)
Archaeological Prospection, Volume 33, Issue 1, Page 109-130, January/March 2026.ABSTRACT This study investigates the effectiveness of drone‐based remote sensing and Google Earth satellite imagery for archaeological prospection in the Bayan Gol Valley, Central Mongolia. Utilizing a fixed‐wing unmanned aerial vehicle (UAV) equipped with RGB and multispectral sensors, we surveyed 655 ha to document Mongol‐period settlement structures
Peter Heimermann +4 more
wiley +1 more source
Anti-Disturbance for ST-VTOL UAV via Sliding Mode Control with Enhanced Observer
DronesAs a classical disturbance observation method, the extended state observer (ESO) is commonly used in controllers for disturbance estimation and feedback control.
Jiahui Zhang +6 more
doaj +1 more source
Numerical analysis of WoW sensor architecture for energy efficient e-VTOL systems [PDF]
E3S Web of ConferencesThe rapid development of electric Vertical Take off and Landing (e-VTOL) aircraft as a sustainable urban air mobility solution has highlighted the critical role of avionic systems in overall energy efficiency.
Najiah Siti Thoifatun +3 more
doaj +1 more source
Synthesis of Boronic Acid‐Cross‐Linked Diene‐Based Polymers via Free‐Radical Copolymerization
Chemistry – An Asian Journal, Volume 21, Issue 2, 28 January 2026.ABSTRACT Conjugated diene polymers cross‐linked with boronic acid functionalities were synthesized via free‐radical copolymerization of styrylboronic acid and isoprene or myrcene. The polymerization proceeded with an identical boron incorporation to the comonomer feed in a 1,4‐specific manner.
Manami Kawamoto +6 more
wiley +1 more source
Numerical study on parametrical design of long shrouded contra-rotating propulsion system in hovering [PDF]
, 2011 The parametrical study of Shrouded Contra-rotating Rotor was done in this paper based on 2D axisymmetric simulations. The calculations were made with an actuator disk as double rotor model.
Barènes, Roger +3 more
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Experimental Evaluation of Electric Powertrain System for Unmanned Aerial Vehicles
Engineering Reports, Volume 8, Issue 1, January 2026.Electric Powertrain Performance Metrics and Selection Workflow for UAVs. ABSTRACT With the growing use of unmanned aerial vehicles (UAVs) in both civil and military applications, optimizing electric powertrain systems is essential to enhance endurance, efficiency (η$$ \eta $$), and mission adaptability.
Srikanth Goli +6 more
wiley +1 more source
Nuclear powered VTOL aircraft [PDF]
, 1968 Performance characteristics of nuclear powered VTOL ...
Fishbach, L. H., Strack, W. C.
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Geo: Geography and Environment, Volume 13, Issue 1, January‐June 2026.Short Abstract This study evaluates the effectiveness of UAV multispectral imagery combined with machine learning techniques for mapping neglected and underutilised crop species (NUS), specifically taro and sweet potato in smallholder farming systems in South Africa.
Mishkah Abrahams +7 more
wiley +1 more source
Design and performance analyses of a fixed wing battery VTOL UAV
Engineering Science and Technology, an International Journal, 2020 The objective of this paper is to explain the design steps and performance analyses including energy consumption of a fixed-wing (FW) vertical take-off and landing (VTOL) unmanned air vehicle (UAV).
Özgür Dündar +2 more
doaj +1 more source
Towards Autonomous Indoor Micro VTOL [PDF]
, 2018 Recent progress in sensor technology, data processing and integrated actuators has made the development of miniature flying robots fully possible. Micro VTOL1 systems represent a useful class of flying robots because of their strong capabilities for ...
Bouabdallah, Samir +2 more
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