Results 61 to 70 of about 65,160 (270)

Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective

open access: yesAdvanced Electronic Materials, EarlyView.
Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe   +4 more
wiley   +1 more source

Insulator fault feature extraction system of substation equipment based on machine vision

open access: yesIET Networks, EarlyView., 2022
Abstract The artificial intelligence technology and intelligent automation are more and more widely used, the insulators play a supporting and insulating role in the operation of the grid. The use of machine vision inspection technology to detect insulator faults has become an inevitable trend of the times.
Keruo Jiang   +4 more
wiley   +1 more source

Unmanned Surface Vehicle for Automatic Water Quality Monitoring [PDF]

open access: yesE3S Web of Conferences
This paper presents an affordable, yet efficient approach to Unmanned Surface Vehicle (USV) design for automated water quality monitoring. Mechanically, the USV employs a catamaran design with robust hardware components, including aluminium structural ...
Tran Hieu Duc   +7 more
doaj   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

open access: yesAdvanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang   +9 more
wiley   +1 more source

Multifunctional Inshore Survey Platform with Unmanned Surface Vehicles

open access: yesInternational Journal of Automation and Smart Technology, 2011
Because of extreme weather and frequent natural disasters, improvement of disaster prevention capabilities and early warning technologies is an urgent matter. Inshore areas are where ocean and land intersect; the sea conditions and environment are complex and changeable, and human activities are frequent in these areas.
Wen-Rong Yang   +4 more
openaire   +3 more sources

Robust Reinforcement Learning Control Framework for a Quadrotor Unmanned Aerial Vehicle Using Critic Neural Network

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Quadrotor unmanned aerial vehicle control is critical to maintain flight safety and efficiency, especially when facing external disturbances and model uncertainties. This article presents a robust reinforcement learning control scheme to deal with these challenges.
Yu Cai   +3 more
wiley   +1 more source

Path-Following Control of Unmanned Vehicles Based on Optimal Preview Time Model Predictive Control

open access: yesWorld Electric Vehicle Journal
In order to reduce the lateral error of path-following control of unmanned vehicles under variable curvature paths, we propose a path-following control strategy for unmanned vehicles based on optimal preview time model predictive control (OP-MPC).
Xinyu Wang   +3 more
doaj   +1 more source

The concept of anti-collision system of autonomous surface vehicle

open access: yesE3S Web of Conferences, 2018
The use of unmanned vehicles in various fields of science and the economy is becoming more common. An extremely important aspect of creating this type of solution is to provide autonomous vehicle navigation, which does not require interference of the ...
Stateczny Andrzej, Gierski Waldemar
doaj   +1 more source

This is NASA [PDF]

open access: yes, 1965
Mission, facilities, and projects of ...

core   +1 more source

Optical Flow Enables Hand Tracking With EyeGlove Low‐Cost Cameras in Confined Environments

open access: yesAdvanced Intelligent Systems, EarlyView.
A cost‐effective (<£150) hand‐wearable stereo vision system, EyeGlove, is proposed to support visual inspection in confined environments. The system integrates disjointed low‐cost cameras to enable dexterous camera manipulation and wearable display unit for real‐time interaction.
Erhui Sun   +3 more
wiley   +1 more source

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