Results 41 to 50 of about 7,233 (223)

Analysis of the traction forces of two adjacent linear induction motors

Scientific Reports
Linear induction motors (LIMs) are positioned head-to-tail in medium and low-speed maglev (MLSM) trains, and the interaction due to small spacing between two LIMs is not yet clear.
Min Zhang, Shujuan Luo, Yu Liu, Xubin Zhuang, Weihua Ma   +4 more
doaj   +1 more source

A Novel Rail Damage Fault Detection Method for High-Speed Railway

Sensors
With the vigorous development of speedy railway technology, steel rails, as an important structural infrastructure in speedy railways, play a crucial role in ensuring the safety of the entire speedy railway operation.
Yu Wang, Bingrong Miao, Ying Zhang, Zhong Huang, Songyuan Xu   +4 more
doaj   +1 more source

Life Cycle Assessment of Closed‐Loop Opaque Recycled Polyethylene Terephthalate (rPET) Bottles for UHT Milk

Packaging Technology and Science, EarlyView.
The study quantifies environmental impacts of 1 L of ultra‐high‐temperature milk bottles, comparing a 50% recycled opaque PET (rPET) bottle with 100% virgin PET bottles under closed‐loop and non‐closed‐loop recycling scenarios. Results show that 50% opaque rPET bottles outperform 100% virgin PET bottles across all impact categories, enabled by an ...
Alessandra Garzoni, Roberta Stefanini, Giuseppe Vignali   +2 more
wiley   +1 more source

Thermo-mechanical Coupling of Pantograph-Catenary System under Different Ambient Temperatures

Chengshi guidao jiaotong yanjiu
[Objective] Under extreme ambient temperatures, issues such as excessive temperature rise and intensified contact force fluctuation readily occur in the PC (pantograph-catenary) contact zone.
JIANG Hangyan, ZHOU Ning, GAO Haixiang, LI Mudi, LUO Jianwei, ZHANG Weihua   +5 more
doaj   +1 more source

Subterranean Mine Inspection Using the Prometheus Re‐Configurable Drone

Journal of Field Robotics, EarlyView.
ABSTRACT This paper describes the design, development, and real‐world testing of an autonomous drone for subterranean exploration, known as “Prometheus.” Driven by requirements from industry that the drone be able to be deployed through areas of restricted access, Prometheus was designed to be directly deployed through a 150 mm aperture.
Liam Brown, Robert Clarke, Ali Akbari, Ferdian Jovan, Jameel Marafie, Ognjen Marjanovic, Sara Bernardini, Tom Richardson, Simon Watson   +8 more
wiley   +1 more source

A Multi‐Criteria and Empirical Study for Determining the Influencing Factors of Generative Artificial Intelligence Adoption in Companies

Systems Research and Behavioral Science, EarlyView.
ABSTRACT Generative artificial intelligence (GenAI) has emerged as a transformative force across business and society due to its ability to generate new content. This potential to reshape businesses introduces challenges and opportunities, necessitating a deeper understanding of GenAI's impact.
Symone G. S. Alcalá, Victor L. de Nicolas, Alvaro J. Lopez‐Lopez, Mariano Ventosa   +3 more
wiley   +1 more source

Impact Response of Composite Material Equipment Cabin Floor Considering Strain Rate Effects

Chengshi guidao jiaotong yanjiu
ObjectiveCFRP (carbon fiber reinforced polymer) and GFRP (glass fiber reinforced polymer) have been applied to the structure of rail transit vehicle equipment cabin.
Yuke WANG, Shoune XIAO, Dongdong CHEN, Chunyan LIU, Tao ZHU, Mingmeng WANG   +5 more
doaj   +1 more source

Rate-temperature coupled deformation mechanism and constitutive parameters of catenary copper-magnesium alloy materials for high-speed railway

Baozha yu Chongji
With the increasing speed of trains, the impacts of mechanical shock, arc heat, and Joule heat on the high-speed railway catenary system have become increasingly significant.
Hongli WANG, Zelin ZENG, Xingya SU, Jing LING, Guiming MEI, Yanxiang LIANG, Lin JING   +6 more
doaj   +1 more source

Press Hardening for Sustainable Lightweight Chassis Design in Heavy‐Duty Vehicles: A Material Performance and Life Cycle Assessment Approach

steel research international, EarlyView.
The article explores how high‐strength steels and press hardening revolutionize lightweight chassis design for heavy‐duty vehicles. It reveals that press hardened steels combined with shot peening can cut weight by up to 34% and reduce environmental impact by 21%–32%.
Violeta Vargas‐Parra, Sergi Parareda, Jose Jorge Espí‐Gallart, Jaume Pujante, Gustaf Gustafsson, Henrik Sieurin, David Frómeta, Daniel Casellas   +7 more
wiley   +1 more source

Review on Rail Damage Detection Technologies for High-Speed Trains

Applied Sciences
From the point of view of the intelligent operation and maintenance of high-speed train tracks, this paper examines the research status of high-speed train rail damage detection technology in the field of high-speed train track operation and maintenance ...
Yu Wang, Bingrong Miao, Ying Zhang, Zhong Huang, Songyuan Xu   +4 more
doaj   +1 more source