Results 21 to 30 of about 15,285 (203)

Propeller Speed Control System on Autonomous Quadcopter with Variations in Load Fulcrum Point

open access: yesLontar Komputer, 2021
The need for unmanned vehicles is increasingly needed in certain conditions, such as distribution of disaster supply, distribution of medicines, distribution of vaccines in the affected areas in pandemic situations.
Ratna Aisuwarya   +2 more
doaj   +1 more source

The Basics of Quadcopter Anatomy [PDF]

open access: yesMATEC Web of Conferences, 2018
Variations of un-maned vehicles or drones are widely used in diverse fields, including monitoring or manipulation with dangerous substances. One of the best drone construction, which can be used in these fields is an X-copter. This paper serves as an introduction to basics of quadcopter anatomy and advice to choose components based on their properties.
Šustek, Michal, Úředníček, Zdeněk
openaire   +3 more sources

Micro air vehicles energy transportation for a wireless power transfer system [PDF]

open access: yes, 2019
The aim of this work is to demonstrate the feasibility use of an Micro air vehicles (MAV) in order to power wirelessly an electric system, for example, a sensor network, using low-cost and open-source elements.
Casas Piedrafita, Óscar   +3 more
core   +2 more sources

High Accuracy Positioning using Jet Thrusters for Quadcopter

open access: yesMATEC Web of Conferences, 2018
A quadcopter is equipped with four additional jet thrusters on its horizontal plane and vertical to each other in order to improve the maneuverability and positioning accuracy of quadcopter. A dynamic model of the quadcopter with jet thrusters is derived
Pi ChenHuan, Lin JinKwan, Cheng Stone
doaj   +1 more source

Cooperative monocular-based SLAM for multi-UAV systems in GPS-denied environments [PDF]

open access: yes, 2018
This work presents a cooperative monocular-based SLAM approach for multi-UAV systems that can operate in GPS-denied environments. The main contribution of the work is to show that, using visual information obtained from monocular cameras mounted onboard ...
Grau Saldes, Antoni   +3 more
core   +3 more sources

Quadcopter Based Object Detection and Localization

open access: yesIraqi Journal for Computers and Informatics, 2017
This paper presents the development and integration of an X-configuration quadcopter with an IP camera for object detection based on the color of an object. A KK2 microcontroller is used to control the quadcopter movements.
Malik A. Alsaedi   +4 more
doaj   +3 more sources

Old Licenses and New Uses: Motion Picture and Television Rights [PDF]

open access: yes, 1954
There are many possible ways to perform the attitude control of a quadcopter and, recently, the subject of event-triggered control has become relevant in the scientic community.
Cohn, Morris E.
core   +3 more sources

Linear Hamilton Jacobi Bellman Equations in High Dimensions [PDF]

open access: yes, 2014
The Hamilton Jacobi Bellman Equation (HJB) provides the globally optimal solution to large classes of control problems. Unfortunately, this generality comes at a price, the calculation of such solutions is typically intractible for systems with more than
Burdick, Joel W.   +2 more
core   +2 more sources

Accurate Tracking of Aggressive Quadrotor Trajectories using Incremental Nonlinear Dynamic Inversion and Differential Flatness

open access: yes, 2020
Autonomous unmanned aerial vehicles (UAVs) that can execute aggressive (i.e., high-speed and high-acceleration) maneuvers have attracted significant attention in the past few years.
Karaman, Sertac, Tal, Ezra
core   +1 more source

Continuum Deformation of a Multiple Quadcopter Payload Delivery Team without Inter-Agent Communication

open access: yes, 2017
This paper proposes continuum deformation as a strategy for controlling the collective motion of a multiple quadcopter system (MQS) carrying a common payload.
Atkins, Ella M., Rastgoftar, Hossein
core   +1 more source

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