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Application research on 5G technology in fatigue test of full-scale aircraft

open access: yesHangkong gongcheng jinzhan, 2023
With the development of aircraft demand, and emerging of new material and new process, the test and validation technology of aircraft structure strength will also face new challenges.
LIU Bing, ZHANG Jianfeng, MU Bin
doaj   +1 more source

Method system of navigation function test and verification for intelligent ship

open access: yesZhongguo Jianchuan Yanjiu, 2021
The core of the technology development for intelligent ships is to construct a complete software and hardware system from decision-making to autonomous control, which realizes the evolution from manual operation to intelligent navigation. The development
Jialun LIU   +3 more
doaj   +1 more source

Multi-joint and Large Load Wing Load Processing Method

open access: yesHangkong gongcheng jinzhan, 2020
For test piece lacking the right outer wing portion, the many and complicated butt joints, and the large test load, will bring great difficulty to the application of the wing load. Therefore the independent loading clamp is designed for the three sets of
WANG Xintao, XIA Long, LIU Xingke
doaj   +1 more source

Corona Characteristics and Series Optimization of Fittings for 1 000 kV UHV Transmission Lines

open access: yesZhongguo dianli, 2022
The common corona problems of fittings for ultra high voltage alternating current transmission lines are analyzed based on the field test results of the Zhebei-Fuzhou 1000 kV UHV AC transmission line.
Haijun NIU   +4 more
doaj   +1 more source

Evaluation of Deformation Characteristic of Railway Subgrade Using Reinforced Rigid Walls with Short Reinforcement under Repetitive and Static Loads

open access: yesApplied Sciences, 2021
A full-scale reinforced subgrade for railways (RSR) was constructed, and repetitive and static load tests were performed to analyze the deformation characteristics of reinforced rigid walls with short reinforcements for railway subgrades that require ...
Ungjin Kim, Dae Sang Kim
doaj   +1 more source

Research on Development and Test Analysis of Full-Scale Fatigue Test System of X65 Submarine Pipeline [PDF]

open access: yesE3S Web of Conferences, 2021
The fatigue performance of welded joints of submarine pipelines is directly related to the safety and economic benefits of welded structures. Considering the limitations of fatigue calculation, anti-fatigue design and small-scale fatigue test in the ...
Hu Yanhua   +4 more
doaj   +1 more source

Transverse strength of railway tracks: part 3. Multiple scenarios test field [PDF]

open access: yesFracture and Structural Integrity, 2014
In the present paper the design and construction choices of a test field for the ballast lateral resistance measurement, in order to produce data useful for the development of a numerical model able to simulate the service critical conditions of a ...
Antonio De Iorio   +7 more
doaj   +1 more source

Transverse strength of railway tracks: part 1. Planning and experimental setup [PDF]

open access: yesFracture and Structural Integrity, 2014
Several studies have been carried out until now by various Research Agencies and Railway Administrations to quantify the effects of the track-bed geometrical characteristics on the transverse strength of the track.
Antonio De Iorio   +7 more
doaj   +1 more source

Application of Concurrent Test Management Technique in Full Civil Aircraft Fatigue Test

open access: yesHangkong gongcheng jinzhan, 2019
Full aircraft structure fatigue test, as a part of civil aircraft structure airworthiness verification test, is the most complicated, the most expensive and the most time-consuming.
Xia Feng, Mu Shanshan
doaj   +1 more source

Generating Methods of Severe Load Spectra for Airplanes Based on Statistic Analysis in Flight Subjects

open access: yesHangkong gongcheng jinzhan, 2019
Nowadays, the mean load spectra is mostly used in fatigue test for aircraft, but it has the defects of long fatigue cycle. The severe load spectra is used instead, which can shorten the test time greatly. In order to meet the demand of full-scale fatigue
Zhang Jiajia, Jiang Zuguo, Feng Jianmin
doaj   +1 more source

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