Analysis of Performance Characteristics in Deteriorated Subway Rolling Stock

Jeong Guk Kim; Sung Cheol Yoon; Sung Tae Kwon; Jung Won Seo; Kyung Taek Park

doi:10.4028/www.scientific.net/KEM.353-358.2766

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Calculation of Dynamic Parameters of Elastic Thin Plates under Blast Loading
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Application of the Rubber Panel Structure for Railway Crossings
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Application of Distance Evaluation and its Improved Algorithms in Engineering Materials Selection
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On Stress Concentration Character at the Abnormal Cross-Section of the Concentric Shaft with Bigger Diameter Ratio
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Analysis of Performance Characteristics in Deteriorated Subway Rolling Stock
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Application of Data Mining Technology in Structural Strength Design
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The Microstructures and Catalysis of Metallic Films Covering Diamond Single Crystals Synthesized from Fe-Ni-C System
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Design of a Novel Micromachined Gyroscope with Compensatory Capacitance
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Effects of Phase-Equilibrium Temperature and Pressure on the Thickness Decision of a Methane Hydrate Container
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Analysis of Performance Characteristics in Deteriorated Subway Rolling Stock

Abstract:

In order to investigate performance characteristics of deteriorated subway rolling stocks, several engineering assessment methods, such as the acceleration, vibration, and braking performance tests, were carried out on subway electric multiple units (EMUs) with over 20 years operation. According to the testing results, in vibration and braking performance of EMUs, the similar performance results were obtained as compared with newly manufactured EMUs. However, in terms of acceleration performance characteristic, below reference value (3.0 km/h/s) has been obtained. This is mainly due to performance deterioration of EMUs including traction motor. In this investigation, the results on precision diagnosis evaluation of deteriorated EMUs were provided through the overall evaluation of corrosion testing and structural performance of car body in subway EMUs.