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日本铁道综合技术研究所为降低车内噪声,使用压电材料,开发了以降低内装饰板(内墙板)辐射噪声的装置。本文介绍该减振降噪装置的原理以及现车试验中的降噪效果。
Japan Railway Institute of integrated technology to reduce noise in the car, the use of piezoelectric materials, developed to reduce the interior trim (interior wall) radiation noise device. This article describes the principle of the vibration and noise reduction device as well as the current car test noise reduction.