Results 31 to 40 of about 13,806 (183)

Applicability of Multirotors in Czech Armed Forces

open access: yesVojenské rozhledy, 2022
Authors of the paper present results of research in the area of deployment and operation of multirotors, i.e., autonomous aerial systems with vertical take-off and landing (VTOL) capability.
Petr Žárský   +2 more
doaj   +1 more source

VTOL Flight simulator

open access: yesThe Japanese journal of ergonomics, 1967
Details of design and construction of a VTOL flight simulator, completed in March 1966, are given this report. The one-man cab has conventional seating, controls and instrumentation in which CRT and TV type displays are involed. A television camera with 6 degrees-of-freedom is used to acquire a visual scene of landing-approach below a 120m ceiling. The
M. Momona, N. Miyoshi, M. Okabe
openaire   +2 more sources

Aircraft Innovation Trends Enabling Advanced Air Mobility

open access: yesInventions
This study presents a comprehensive exploration of vertical take-off and landing (VTOL) aircraft within advanced air mobility (AAM), examining the crucial challenges of integrating these innovative technologies into transportation systems.
Raj Bridgelall
doaj   +1 more source

PID‐Like Robust Control of Non‐Minimum Phase Robotic Manipulators

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT This paper proposes an output‐feedback tracking controller for non‐minimum phase nonlinear systems with unknown uncertainties and external disturbances, where not all states are measurable, and the zero dynamics are unstable. The approach combines a backstepping‐based stabilizing state‐feedback law with a cascade extended high‐gain observer ...
Mohammad Al Saaideh   +2 more
wiley   +1 more source

Aerodynamic Investigation for a Propeller-Induced Lift-Enhancing Vertical Take-Off and Landing (VTOL) Configuration

open access: yesDrones
Difficulty in thrust-matching between the cruise and vertical take-off and landing (VTOL) phases is one of the prominent issues faced by conventional VTOL fixed-wing drones.
Hongbo Wang   +3 more
doaj   +1 more source

Analysis of a UAV that can Hover and Fly Level

open access: yesMATEC Web of Conferences, 2016
In this study, an unmanned aerial vehicle (UAV) with level flight, vertical take-off and landing (VTOL) and mode-changing capability is analysed. The platform design combines both multirotor and fixed-wing (FW) conventional airplane structures and ...
Çakıcı Ferit, Leblebicioğlu M. Kemal
doaj   +1 more source

Realisitic VTOL simulator

open access: yes, 2020
This master's thesis is focused on the development of a VTOL drone flight simulator. Two main objectives have been set. The first one is that the simulator must simulate all the flight phases of a VTOL. To make it possible, the simulator software is integrated with the simulation of the drone flight controller, which can be ArduPilot or PX4. The second
openaire   +2 more sources

Mechanical stability augmentation system Patent [PDF]

open access: yes, 1970
Mechanical stabilization system for VTOL ...
Garren, J. F., Jr., Kelley, J. R.
core   +1 more source

Experimental assessment of large mammal population estimates from airborne thermal videography

open access: yesWildlife Biology, EarlyView.
Wildlife resource management requires reliable, fast, and affordable methods of surveying wildlife populations to develop and adaptively adjust policies. Thermal video from drones can yield high rates of detection over large areas with relative speed and safety.
Julia S. McElhinny   +7 more
wiley   +1 more source

Nonlinear Control of a Single Tail Tilt Servomotor Tri-Rotor Ducted VTOL-UAV

open access: yesAerospace, 2022
This paper explores a novel single tail tilt servomotor tri-rotor ducted vertical takeoff and landing unmanned aerial vehicle system (VTOL-UAV), and proposes a compound control method combining disturbance observer, model predictive control (MPC) and ...
Yanpeng Hu   +4 more
doaj   +1 more source

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