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In order to present a more reasonable means for the development of China's urban rail transit system, the present thesis, adopting methods of diachronic comparison and synchronic comparison, analyses the system structure, the differences between the Chinese and the overseas, and the development trend of urban rail transit systems after processing a large number of data of both home and abroad. The...
The sources of urban traffic noise, as well as causes of various noises were introduced. Control measures of urban traffic noise were proposed. According to the mechanism of the noise, control the noises of road traffic and rail traffic from the following respective aspects, running vehicles, road pavement, surrounding environment, national laws and regulations etc. It is possible to provide references...
The paper presented is dedicated to developing a simulation model of an electronic system for measuring the load of railway vehicle wheels at an operational speed. The aim is to define the possibility to develop an electronic system for determining the value of force applied to the rail by the wheel on the base of the under-rail fundament reaction. The metrological qualities of the system defined...
Owing to the sharply increase of running speed of high-speed railway trains, the influence of route geometric condition on running quality becomes more sensitive. In order to investigate into the effects of high-speed railway route alignment condition on the running quality, a dynamic model was established, which could be used to evaluate the influence of railway route alignment parameters on the...
The characterization of traffic effects on a short span railway bridge in Northern Portugal with a new hybrid platform that allows the simultaneous assessment of signals generated by a sensing network composed of both electrical and fiber Bragg grating-based sensors was demonstrated. A commercial fiber-optic-based train characterization system using a bridge weight-in-motion algorithm was also developed...
Fault diagnosis (FD) has recently received considerable attention in industry and academia. In order to make a more accurate and more complete estimation and decision for the problem, an approach that is capable of overcoming the disadvantage of single FD methodology, and eliminating the system uncertainty is presented. This paper takes flat wheel detecting system as an example. First, the proposed...
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