Results 11 to 20 of about 414,188 (295)

Performance of urban rail transit: a review of measures and interdependencies

open access: yesTransport reviews, 2023
Recent years saw immense growth in performance measurement literature related to public transit systems, with a clear segmentation between financial and quality-of-service performance frameworks.
Farah A. Awad   +3 more
semanticscholar   +1 more source

Greenhouse gas emission analysis and measurement for urban rail transit: A review of research progress and prospects

open access: yesDigital Transportation and Safety, 2023
Rail transit plays a key role in mitigating transportation system carbon emissions. Accurate measurement of urban rail transit carbon emission can help quantify the contribution of urban rail transit towards urban transportation carbon emission reduction.
Zhen-zhou Yuan   +6 more
semanticscholar   +1 more source

An Integrated Model of Atom Search Optimization-Based Resonance Sparse Signal Decomposition and Cross-Validation SVM for Gearbox Fault Diagnosis

open access: yesShock and Vibration, 2022
In the aspect of gearbox fault diagnosis, the periodic pulse signal containing fault characteristics is often overwhelmed with other strong interference components, which brings a great challenge for gearbox fault detection and status identification.
Fengfeng Bie   +4 more
doaj   +1 more source

Experimental study on thermodynamic characteristics of EPS lightweight soil [PDF]

open access: yesE3S Web of Conferences, 2020
The dynamic triaxial tests of EPS light soil were carried out under the conditions of different temperature, dynamic stress, EPS mixing ratio, cement content and age period, and the effect of temperature on the dynamic properties of EPS light soil is ...
Ruidong LUO   +4 more
doaj   +1 more source

Simulation-Based Method for the Calculation of Passenger Flow Distribution in an Urban Rail Transit Network Under Interruption

open access: yesUrban Rail Transit, 2023
In the extensive urban rail transit network, interruptions will lead to service delays on the current line and spread to other lines, forcing many passengers to wait, detour, or even give up their trips.
Guanghui Su   +4 more
semanticscholar   +1 more source

Motif analysis of urban rail transit network

open access: yesPhysica A: Statistical Mechanics and its Applications, 2023
The connectivity of the rail transit stations is an effective way to evaluate the economic value of the station. In order to explore the influence of the local structure in the complex system of urban rail transit, this paper constructs complex network ...
Yunfang Ma, J. M. Sallan, Oriol Lordan
semanticscholar   +1 more source

Harmonic control method for multiple driving cycles of EMU based on improved C-type filter

open access: yesJournal of Engineering and Applied Science, 2023
For traction substation (TS), the harmonic current spectrum distribution of the left and right power supply sections has a large difference under different EMU operating conditions.
Haigang Zhang   +7 more
doaj   +1 more source

Development of a New Test-Rig for Wheel–Rail Contact Experiments under Large Slip Conditions

open access: yesApplied Sciences, 2023
In order to further theoretical and experimental research on adhesion recovery, an innovative new test-rig for wheel–rail contact experiments under large slip conditions was developed.
Chao Chen   +4 more
doaj   +1 more source

Multi-disruption resilience assessment of rail transit systems with optimized commuter flows

open access: yesReliability Engineering & System Safety, 2021
This paper studies the resilient performance of urban rail transit systems by extending a linear programming optimization model, which can provide optimized commuter flows with contingency routing under multiple disruptions.
Junqing Tang   +3 more
semanticscholar   +1 more source

Study on Creepage Control for PLS-160 Wheel–Rail Adhesion Test Rig Based on LADRC

open access: yesSensors, 2023
Aiming at the problem of low control accuracy caused by nonlinear disturbances in the operation of the PLS-160 wheel–rail adhesion test rig, a linear active disturbance rejection controller (LADRC) suitable for the wheel–rail adhesion test rig was ...
Chun Tian   +4 more
doaj   +1 more source

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