Articles with "quad rotor" as a keyword



Continuous and smooth differentiator based on adaptive sliding mode control for a quad‐rotor MAV

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Published in 2019 at "Asian Journal of Control"

DOI: 10.1002/asjc.2249

Abstract: This paper addresses the design of flight control for a micro air vehicle type quad‐rotor, which assumes partial measurements of outputs and uncertainties/perturbations affecting the aircraft performance. Under such conditions, the approach is a continuous… read more here.

Keywords: sliding mode; adaptive sliding; quad rotor; control ... See more keywords

Novel quad-rotor-shaped photovoltaic materials: first example of fused-ring non-fullerene acceptors with proficient photovoltaic properties for high-performance solar cells

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Published in 2021 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-021-05000-y

Abstract: Development of novel materials for organic solar cells is a booming area of current research. Fused-ring electron accepters are the potential agents of revolution in organic photovoltaic devices and revealing high efficiency in organic solar… read more here.

Keywords: qrfr; rotor shaped; fused ring; quad rotor ... See more keywords

Quad-Rotor Helicopter Visual Attack Based on Attention Mechanism Grad-CAM++ and Mask-PGD

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Published in 2025 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2025.3537650

Abstract: In order to explore security vulnerabilities in unmanned aerial vehicle (UAV) target tracking processes, a quad-rotor helicopter visual adversarial sample attack method based on Grad-CAM++ and Mask-PGD is proposed in this article. Initially, an attention… read more here.

Keywords: rotor helicopter; attack; quad rotor; grad cam ... See more keywords

Trajectory Planning for Improving Vision-Based Target Geolocation Performance Using a Quad-Rotor UAV

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Published in 2019 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2018.2886617

Abstract: This paper describes a novel method to improve the target location accuracy through imaging it from an aircraft. This method focuses on improving estimation accuracy of heading angle bias and then to improve geolocation performance.… read more here.

Keywords: quad rotor; trajectory planning; target; geolocation performance ... See more keywords

Dynamic gain–based neural network backstepping control with its applications to a quad-rotor hover

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Published in 2024 at "Transactions of the Institute of Measurement and Control"

DOI: 10.1177/01423312241257725

Abstract: In this paper, a novel neural network (NN) backstepping control method is proposed for a class of uncertain nonlinear systems with unknown control direction functions. To solve the control problems caused by unknown control direction… read more here.

Keywords: control; dynamic gain; backstepping control; network backstepping ... See more keywords
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A control parametrization based path planning method for the quad-rotor uavs

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Published in 2021 at "Journal of Industrial and Management Optimization"

DOI: 10.3934/jimo.2021009

Abstract: A time optimal path planning problem for the Quad-rotor unmanned aerial vehicles (UAVs) is investigated in this paper. A 3D environment with obstacles is considered, which makes the problem more challenging. To tackle this challenge,… read more here.

Keywords: control; problem; method; path ... See more keywords