Results 11 to 20 of about 394,759 (314)

A High Compressibility Pressure—Sensitive Structure Based on CB@PU Yarn Network

open access: yesSensors, 2018
In this work, a piezoresistive sensor structure based on carbon black (CB)@polyurethane (PU) yarn material was developed. Specifically, CB@PU yarn was constructed by the polymer-mediated water-based electrostatic deposition method.
Xingtong Chen   +4 more
doaj   +1 more source

Study on Fracture-Split Performance of 36MnVS4 and Analysis of Fracture-Split Easily-Induced Defects

open access: yesMetals, 2018
The material 36MnVS4 is the second generation of connecting rod fracture-split material. However, it generates more quality defects during the fracture-split process.
Zhou Shi, Shuqing Kou
doaj   +1 more source

The study of the “Cetus” unmanned aerial vehicle for topographic aerial surveying

open access: yesGeodesy and Cartography, 2021
The work aims to analyze and study the possibilities of using “Cetus” unmanned aerial vehicle (UAV) for performing topographic aerial surveys. The authors developed and tested aircraft-type UAV for topographic aerial photography.
Volodymyr Hlotov   +4 more
doaj   +1 more source

The influence of auxiliary gases in the optimized analysis of pulsed laser grooving of a C70S6 connecting rod for fracture splitting

open access: yesResults in Physics, 2017
Controlled fracture splitting technology has great potential in processing the splitting parts such as engine connecting rod, and the pulsed laser processing of notches for fracture splitting, which is crucial for controlling the fracture splitting ...
S.Q. Kou, Y. Gao, W.Q. Gao
doaj   +1 more source

The technique of determining the small angular deviations by an electrostatic sensor

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2022
Some methods for determining small angular deviations have been considered on the example of building objects. The design of an electrostatic cylindrical sensor was put forward, and the use of force action of an electric field was proposed in order to ...
Pshchelko Nikolay, Tsareva Olga
doaj   +1 more source

Roll, roll, roll me away [PDF]

open access: yesCanadian Medical Association Journal, 2013
When Shelley Stoddart applied for a nursing position with the mobile eye care clinic run by CNIB, there was one job requirement she didn’t understand: the need for an AZ license. So she called her father. “When he heard, he said: ‘You’re going to have to become a truck driver’.”
openaire   +1 more source

Dynamic Recrystallization Behavior of Q370qE Bridge Steel

open access: yesChinese Journal of Mechanical Engineering, 2023
Bridge steel has been widely used in recent years for its excellent performance. Understanding the high-temperature Dynamic Recrystallization (DRX) behavior of high-performance bridge steel plays an important role in guiding the thermomechanical ...
Caiyi Liu   +8 more
doaj   +1 more source

Calculation of an Average Vehicle’s Sideways Acceleration on Small Roundabouts

open access: yesSensors, 2022
The calculation of the average sideways acceleration, based on speed and angular velocity on small roundabouts for a vehicle of up to 3.5 t gross vehicle mass, is described in this paper.
Juraj Jagelčák   +4 more
doaj   +1 more source

Methods of Predicting the Heading, Pitch and Roll Angles for an Unmanned Aerial Vehicle

open access: yesCommunications, 2020
The article discusses handicaps in predicting values of rotation angles with regard to Heading, Pitch and Roll for an Unmanned Aerial Vehicle. Within the simulation of the rotation angle values, the linear, polynomial and logarithmic methods were used ...
Damian Wierzbicki, Kamil Krasuski
doaj   +1 more source

High-Speed Virtual Flight Testing Platform for Performance Evaluation of Pitch Maneuvers

open access: yesAerospace, 2023
To research serious nonlinear coupling problems among aerodynamics, flight mechanics, and flight control during high maneuvers, a virtual flight testing platform has been developed for a large-scale, high-speed wind tunnel, based on the real physical ...
Hao Li   +5 more
doaj   +1 more source

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