Results 61 to 70 of about 13,456 (268)

Impact of Temperature Variability on the Caputo Fractional Malaria Model

open access: yesEngineering Reports, Volume 7, Issue 3, March 2025.
This study aims to analyze the age related characteristics of malaria in human host by exploring Caputo fractional order models with temperature variability, that is looked into the combined effects of fractional order and temperature variability on malaria dynamics.
Dawit Kechine Menbiko   +1 more
wiley   +1 more source

Pareto Optimization of the Integration of Renewables for the Supply of Battery‐Electric and Hydrogen‐Electric Multiple Units at a Single Site

open access: yesEnergy Science &Engineering, Volume 13, Issue 2, Page 582-597, February 2025.
Optimization framework for battery electric and hydrogen multiple units. ABSTRACT Battery‐ and hydrogen‐powered trains are emerging technologies that have the potential to play a key role in the decarbonization of railway lines for which full trackside electrification is not feasible.
Stefan Arens   +3 more
wiley   +1 more source

A Study on the Pantograph Slide Wear Model Based on Energy Dissipation

open access: yesApplied Sciences
During train operations, the contact surface between the pantograph slide and the catenary wire is subjected to mechanical friction and an electrical current, leading to an increase in the wear of the pantograph slide and a reduction in the service life ...
Yiming Dong   +4 more
doaj   +1 more source

Analysis of Aerodynamic Noise Characteristics of High-Speed Train Pantograph with Different Installation Bases

open access: yesApplied Sciences, 2019
The high-speed-train pantograph is a complex structure that consists of different rod-shaped and rectangular surfaces. Flow phenomena around the pantograph are complicated and can cause a large proportion of aerodynamic noise, which is one of the main ...
Yongfang Yao   +4 more
doaj   +1 more source

The walking robot project [PDF]

open access: yes, 1991
A walking robot was designed, analyzed, and tested as an intelligent, mobile, and a terrain adaptive system. The robot's design was an application of existing technologies.
Bennett, M.   +3 more
core   +1 more source

Putting the feel in ’look and feel‘ [PDF]

open access: yes, 2000
Haptic devices are now commercially available and thus touch has become a potentially realistic solution to a variety of interaction design challenges.
Brewster, S.A.   +3 more
core   +2 more sources

Fixed‐Time Synergetic Control of Multi‐Interior Permanent Magnet Synchronous Motor Traction System With Dynamic Adhesion

open access: yesIET Control Theory &Applications, Volume 19, Issue 1, January/December 2025.
To address the issues of unbalanced traction and unstable operation of the train caused by uneven wear, this paper presents a fixed‐time synergetic control‐based solution focusing on the electrical speed synchronization control of multi‐interior permanent magnet synchronous motor (IPMSM) traction system.
Deqing Huang   +3 more
wiley   +1 more source

Deployable structures in the built environment [PDF]

open access: yes, 2015
The occurrence of natural disasters has been on the increase for the last decade. One of the most prominent incidences has been the occurrence of floods which has been experienced in developing and developed countries.
Umweni, OJ
core  

Development of a whole life cycle cost model for electrification options on the UK rail system [PDF]

open access: yes, 2016
Projects to deliver Overhead Line Equipment (OLE) electrification on the UK rail infrastructure system presents technical challenges which the rail industry in Britain have not traditionally had to consider.
Baguley, Paul   +2 more
core   +1 more source

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