Results 41 to 50 of about 1,910,400 (338)

A hybrid thrusting system for increasing the endurance time of multirotor unmanned aerial vehicles

open access: yesInternational Journal of Advanced Robotic Systems, 2023
One of the most significant disadvantages of electric multirotor unmanned aerial vehicles is their short flight time compared to fuel-powered unmanned aerial vehicles. This is mainly due to the low energy density of electric batteries. Fuel has much more
Jawad Bdour, Belal H Sababha
doaj   +1 more source

Application Requirement-Driven Automatic ISP Parameter Tuning for a Rear View Monitoring Camera

open access: yesIEEE Access, 2021
An image signal processor (ISP) is a dedicated processor that transforms raw data obtained from camera sensors into an image that satisfies the requirements of a specific application or use case.
Youn Joo Lee, Jae Kyu Suhr, Ho Gi Jung
doaj   +1 more source

Overview of Propulsion Systems for Unmanned Aerial Vehicles

open access: yesEnergies, 2022
Unmanned Aerial Vehicle (UAV) propulsion technology is significantly related to the flight performance of UAVs, which has become one of the most important development directions of aviation.
Bowen Zhang   +3 more
semanticscholar   +1 more source

Map Matching-Based Driving Lane Recognition for Low-Cost Precise Vehicle Positioning on Highways

open access: yesIEEE Access, 2021
This paper proposes a map matching-based driving lane recognition system for low-cost precise vehicle positioning on highways. The proposed method finds the position where the road boundaries detected by a LIDAR sensor are best matched with the road ...
Youn Joo Lee, Jae Kyu Suhr, Ho Gi Jung
doaj   +1 more source

Flight control and collision avoidance of three UAVs following each other [PDF]

open access: yesINCAS Bulletin, 2022
An unmanned aerial vehicle is a hardware and software complex with multi-purpose control. Unlike manned aviation, an unmanned aerial vehicle requires additional modules in its control system.
Zarina A. KUTPANOVA   +2 more
doaj   +1 more source

Potential Cyber Threats, Vulnerabilities, and Protections of Unmanned Vehicles

open access: yesJournal of Unmanned Vehicle Systems, 2022
This study seeks to contribute to the literature by presenting a discussion of potential cyber risks and precautionary measures concerning unmanned vehicles as a whole.
A. Oruc
semanticscholar   +1 more source

Using acoustic sensor technologies to create a more terrain capable unmanned ground vehicle [PDF]

open access: yes, 2009
Unmanned Ground Vehicle’s (UGV) have to cope with the most complex range of dynamic and variable obstacles and therefore need to be highly intelligent in order to cope with navigating in such a cluttered environment.
Erbil, Mehmet Ali   +4 more
core   +1 more source

Opportunities Related to the Use of Unmanned Systems in Emergency Services [PDF]

open access: yesBezpieczeństwo i Technika Pożarnicza, 2018
Aim: The purpose of this article is to present the possibilities and solutions of using unmanned vehicles (UV) in uniformed services. The authors presented various solutions used across the world, discussing their potential use depending on their ...
Mariusz Feltynowski, Maciej Zawistowski
doaj   +1 more source

Effects of Regular Waves on Propulsion Performance of Flexible Flapping Foil

open access: yesApplied Sciences, 2018
The objective of the present study is to analyze the effects of waves on the propulsive performance and flow field evolution of flexible flapping foil, and then offer a way to take advantage of wave energy.
Peng Liu   +4 more
doaj   +1 more source

A Literature Survey of Unmanned Aerial Vehicle Usage for Civil Applications [PDF]

open access: yesJournal of Aerospace Technology and Management, 2021
Unmanned vehicles/systems (UVs/USs) technology has exploded in recent years. Unmanned vehicles are operated in the air, on the ground, or on/in the water.
Mithra Sivakumar, Naga Malleswari TYJ
doaj   +1 more source

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