Results 81 to 90 of about 2,196 (195)

Guidelines and Feasibility of Base Station Deployment for Hyperloop Communications

open access: yesIEEE Access
This paper presents an analytical framework for base station (BS) deployment in Hyperloop communication systems. Recognizing the challenges of the systems, the study proposes three guidelines for BS deployment: 1) synchronized pod passage at BS locations,
J. Kim, H. Kim
doaj   +1 more source

Numerical and Analytical Study of a Battery Powered Vehicle Moving in a Vacuum Tunnel

open access: yesWorld Electric Vehicle Journal, 2020
The present work focuses on an aerodynamic and heat transfer study of a battery powered vehicle moving in a vacuum tunnel. The conducted research was based on analytical analysis and numerical calculations. Four different vacuum levels in the tunnel were
Krystian Machaj   +2 more
doaj   +1 more source

Fast as a plane, clean as a train? Prospective life cycle assessment of a hyperloop system

open access: yesResources, Environment and Sustainability
Today, options to reduce the climate impacts of high-speed passenger transport over hundreds of kilometres are limited to using low-carbon synthetic fuels in aviation and high-speed trains.
Paul Beckert   +4 more
doaj   +1 more source

Concepts on Train-to-Ground Wireless Communication System for Hyperloop: Channel, Network Architecture, and Resource Management

open access: yesEnergies, 2020
Hyperloop is envisioned as a novel transportation way with merits of ultra-high velocity and great traveling comforts. In this paper, we present some concepts on the key technologies dedicated to the train-to-ground communication system based on some ...
Jiachi Zhang   +7 more
doaj   +1 more source

Methods of control of railway wheels in current technical practice [PDF]

open access: yes, 2014
Předložená bakalářská práce se zabývá metodami kontroly železničních kol v současné technické praxi. Nejprve je popsáno železniční dvojkolí a postup při výrobě kol.
Ondriašová, Patricie
core  

On spectral hypergraph theory of the adjacency tensor [PDF]

open access: yes, 2012
We study both $H$ and $E/Z$-eigenvalues of the adjacency tensor of a uniform multi-hypergraph and give conditions for which the largest positive $H$ or $Z$-eigenvalue corresponds to a strictly positive eigenvector.
Pearson, Kelly J., Zhang, Tan
core  

Customer preferences and implicit tradeoffs in accident scenarios for self-driving vehicle algorithms [PDF]

open access: yes, 2018
The development of self-driving vehicles is proceeding rapidly and with significant investment of resources. However, a full-scale deployment is not imminent.
Pugnetti, Carlo, Schläpfer, Remo
core   +2 more sources

Levitation Methods for Use in the Hyperloop High-Speed Transportation System

open access: yesEnergies, 2019
The Hyperloop system offers the promise of transportation over distances of 1000 km or more, at speeds approaching the speed of sound, without the complexity and cost of high-speed trains or commercial aviation.
Eric Chaidez   +2 more
doaj   +1 more source

Open-Source Conceptual Sizing Models for the Hyperloop Passenger Pod [PDF]

open access: yes
Hyperloop is a new mode of transportation proposed as an alternative to California's high speed rail project, with the intended benefits of higher performance at lower overall costs.
Berton, Jeffrey J.   +3 more
core   +1 more source

Florida’s Senate race, Michigan’s school bailout, and Arizona’s pro-gun bills: US state blog roundup for 7 – 13 May [PDF]

open access: yes, 2016
USAPP Managing Editor, Chris Gilson, looks at the week in US state blogging.
Gilson, Christopher
core  

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