Browsing NTNU Open by Author "Ge, Junfeng"
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Oblique end face coupling optical fiber sensor for point fuel level measurement
Ge, Junfeng; xin, cheng; Chengrui, Zhao; Kang, Gui; Wei, Zhang; Alaya Cheikh, Faouzi; lin, ye (Peer reviewed; Journal article, 2019)A new implementation of point level sensor fabricated using the oblique multimode silica fibers is proposed and demonstrated. Based on Fresnel reflection, all the incident lights are reflected back by the oblique sensor ... -
Reflected light intensity-modulated continuous liquid level sensor based on oblique end face coupling optical fibers
Ge, Junfeng; xin, cheng; Chengrui, Zhao; Kang, Gui; Wei, Zhang; Alaya Cheikh, Faouzi; lin, ye (Journal article; Peer reviewed, 2019)A light intensity-modulated optical fiber sensor for continuous level measurement is proposed and demonstrated. The sensor is constructed by vertically arranging groups of fibers on the oblique surface which reflects all ... -
Road surface condition detection utilizing resonance frequency and optical technologies
Gui, Kang; Ye, Lin; Ge, Junfeng; Alaya Cheikh, Faouzi; Huang, Lizhen (Journal article; Peer reviewed, 2019)With the booming development of road network and intelligent transportation systems, road surface condition information becomes more and more valuable in traffic accident prevention and route optimization. Although some ... -
The piezoelectric road status sensor using the frequency scanning method and machine-learning algorithms
Gui, kang; Ge, Junfeng; Ye, Lin; Huang, Lizhen (Journal article; Peer reviewed, 2019)This paper introduces a piezoelectric sensor for measuring the thickness of ice and water film on road surfaces, utilizing the frequency scanning method and machine-learning algorithms. With a constant elasticity alloy ...