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Application Study of Active Noise Control Technology for Rail Transit Vehicles

机译:主动噪声控制技术在轨道交通车辆中的应用研究

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摘要

Active noise control (ANC) technology is a powerful complement for the traditional noise reduction technology. Analysed the current situation of noise control for rail vehicles; according to the application range of ANC technology, analysed the application strategy of ANC technology for rail transit vehicles; measured and analysed noise characteristics of an electric locomotive cab under different operating speeds and railway conditions, and proposed the ANC system scheme based on the whole cab space. Through the preliminary simulation calculation, the total sound pressure level in cab can be reduced by 4 dB(A). It provides a new idea for the noise control and comfort design of rail transit vehicles.
机译:主动降噪(ANC)技术是对传统降噪技术的有力补充。分析了轨道车辆噪声控制的现状;根据ANC技术的应用范围,分析了ANC技术在轨道交通车辆中的应用策略。通过测量和分析不同运行速度和铁路条件下电力机车驾驶室的噪声特性,提出了基于整个驾驶室空间的ANC系统方案。通过初步的模拟计算,驾驶室中的总声压级可以降低4 dB(A)。它为轨道交通车辆的噪声控制和舒适性设计提供了新思路。

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