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Maksym Diachuk and Said M. Easa
The paper presents a technique of motion planning for autonomous vehicles (AV) based on simultaneous trajectory and speed optimization. The method includes representing the trajectory by a finite element (FE), determining trajectory parameters in Frenet ...
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Antonio Chiariello, Gaetano Perillo, Mauro Linari, Raffaele Russo, Salvatore Orlando, Pasquale Vitale and Marika Belardo
This study addresses the crucial role of post-buckling behavior analysis in the structural design of composite aeronautical structures. Traditional engineering practices tend to result in oversized composite components, increasing structural weight. EASA...
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Thomas Rötger, Chris Eyers and Roberta Fusaro
The request for faster and greener civil aviation is urging the worldwide scientific community and aerospace industry to develop a new generation of supersonic aircraft, which are expected to be environmentally sustainable, and to guarantee a high level ...
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Junwoo Lim, Seangwock Lee, Jaeyeop Chung, Youngwan Kim and Giyoung Park
Aircraft reciprocating engines have been in operation over the past 100 years, which is a testament to their high levels of reliability and stability. Compared to turbine engines, reciprocating engines are at a disadvantage when it comes to high-speed fl...
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Kacper Podbucki, Tomasz Marciniak and Jakub Suder
The luminous intensity measurements of airport navigational lighting should be performed in accordance with the recommendations of the European Aviation Safety Agency (EASA), which allows for the determination of the possibility of further operation or t...
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Yanqun Yang, Yu Wang, Said M. Easa and Xinyi Zheng
This study investigated drivers? perceptions of pedestrian crossing behavior at unsignalized crosswalks, which was less fruitful in quantitative and qualitative traffic research. Subjective and snow-ball sampling were used to conduct semi-structured in-d...
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Miao Lin, Changbin Hu, Said M. Easa and Zhenliang Jiang
Premature damage to heavy-duty pavement has been found to be significantly caused by the vehicle?highway alignment interaction, especially in mountainous regions. This phenomenon was further verified by field pavement damage investigations and field test...
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Abayomi Afolayan, Said M. Easa, Oladapo S. Abiola, Funmilayo M. Alayaki and Olusegun Folorunso
This study identified high-risk locations (hotspots) using geographic information systems (GIS) and spatial analysis. Five years of accident data (2013?2017) for the Lokoja-Abuja-Kaduna highway in Nigeria were used. The accident concentration analysis wa...
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Tran Anh Dung and Said M. Easa
Previous studies have addressed railway turnouts (switches and crossings), but research on the performance of 1000 mm gauge turnouts is limited. At present, wooden sleeper structures are used at turnouts in Vietnam. However, these structures have many di...
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Said M. Easa, Ahmed A. Lamri and Dejan Brkic
Numerous explicit approximations of the Colebrook equation have been developed and evaluated based on two criteria: prediction accuracy and computational efficiency. This paper introduces a new evaluation criterion based on the reliability of each equati...
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