Mr. Longjiang Shen Profile

Longjiang Shen

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Proceedings Article | 20 February 2024 Paper

Development of advanced noise reduction system for rail transit vehicles based on TRIZ theory

Longjiang Shen, Dengke Li, Lin Li, Shengti Wu, Da Wang, Guiyu Jian, Xiaodong Liu

Proceedings Volume 13064, 1306415 (2024) https://doi.org/10.1117/12.3016131

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Aiming at the problem of reducing the instantaneous noise of vacuum circuit breaker closing, the noise reduction system for rail transit vehicles is innovatively designed by using TRIZ theory. Through function analysis and cause-effect chain analysis, this paper finds the root cause of the problem, solves the problem and puts forward the scheme by establishing the technical contradiction, physical contradiction and su-field model, and finally puts forward the design of the noise reduction system, so as to provide a theoretical basis for the development of subsequent products.

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