Results 11 to 20 of about 907,456 (311)

Truck platoon analysis for autonomous trucks

open access: yesSN Applied Sciences, 2023
Selection of optimum platoon pattern based on types of trucks inside the platoon, the number of trucks in the platoon, headway distance, interplatoon distance as well as the use of different lateral wander modes for autonomous trucks has been analyzed ...
Mohammad Fahad, Richard Nagy
doaj   +1 more source

Investigation of the Track Gauge in Curved Sections, Considering Hungarian Railway Lines

open access: yesInfrastructures, 2023
In this paper, the authors examined the change in track gauges in curves for several railway lines with low and high traffic in Hungary (i.e., secondary lines and main lines).
Szabolcs Fischer   +2 more
doaj   +1 more source

Impact of Symmetric Vertical Sinusoid Alignments on Infrastructure Construction Costs: Optimizing Energy Consumption in Metropolitan Railway Lines Using Artificial Neural Networks

open access: yesUrban Rail Transit, 2020
Minimizing energy consumption is a key issue from both an environmental and economic perspectives for railways systems; however, it is also important to reduce infrastructure construction costs. In the present work, an artificial neural network (ANN) was
J Pineda-Jaramillo   +3 more
doaj   +1 more source

Optimality criteria for the process of technical operation of locomotives [PDF]

open access: yesMATEC Web of Conferences
The efficiency of a locomotive fleet as a complex system depends significantly on the mode and conditions of its operation, which, in many cases, are determined both by its own condition and by the state of the maintenance system.
Kapica Mihajlo   +4 more
doaj   +1 more source

Solving the problem of switching from one track gauge to another in the context of the requirements of interoperability specifications for classical infrastructure [PDF]

open access: yesMATEC Web of Conferences
The article discusses issues related to solving the problem of switching from one gauge to another. A progressive solution to the problem of different track gauges is the use of a combined gauge design.
Arbuzov Maxim   +2 more
doaj   +1 more source

Patterns of change of mean wind velocity maximums in Krasnodar Krai from the beginning of anemometric measurements [PDF]

open access: yesE3S Web of Conferences, 2019
Paper addresses maximum annual values of mean wind velocity in all plain and piedmont regions of Krasnodar Krai, which were used as the basis for establishing wind loads on buildings in local code SNKK “Loads and Actions.
Pochinok Vladimir   +2 more
doaj   +1 more source

Sight distances at unsignalized intersections: a comparison of guidelines and requirements for human drivers and autonomous vehicles [PDF]

open access: yesArchives of Transport, 2021
Many traffic accidents are caused by unforeseen and unexpected events in a site that was hidden from the driver's eyes. Road design parameters determining required visibility are based on relationships formulated decades ago.
Zsófia Magyari   +3 more
doaj   +1 more source

Transport Accessibility In Light Of The DEA Method [PDF]

open access: yes, 2014
The development of transport infrastructure and increasing the efficiency of transport services are major factors of economic growth. The concept of transport accessibility can be analysed in various aspects.
Górniak, Joanna
core   +2 more sources

Forecasting travel time reliability in urban road transpo [PDF]

open access: yesArchives of Transport, 2017
Assessment of travel time reliability as a fundamental factor in travel behaviour has become a very important aspect in both transport modelling and economic appraisal. Improved reliability could provide a significant economic benefit if it is adequately
Mattias Juhász   +2 more
doaj   +1 more source

Polychlorinated Dibenzodioxins and Dibenzofurans Emissions from Transportation

open access: yesCommunications, 2011
Measurement of Persistent Organic Pollutants (POPs) was performed in order to complement the set of known emission factors. Methodology for gasoline engines emission factors determination that uses POPs concentrations measured in exhaust gasses, limited ...
Jiri Huzlik   +2 more
doaj   +1 more source

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