燃料电池轿车声品质客观评价参量的权重

申秀敏;左曙光;何容;何吕昌;陈瑞锋;张敬芬

振动与冲击 ›› 2011, Vol. 30 ›› Issue (1) : 91-94,1.

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振动与冲击 ›› 2011, Vol. 30 ›› Issue (1) : 91-94,1.
论文

燃料电池轿车声品质客观评价参量的权重

  • 申秀敏1; 左曙光2; 何容2;何吕昌2; 陈瑞锋2; 张敬芬2
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WEIGHT OF OBJECTIVE EVALUATION PARAMETER OF FUEL CELL VEHICLE SOUND QUALITY

  • Shen Xiumin1;Zuo Shuguang2; He Lvchang2;He Rong2;Chen Ruifeng2;Zhang Jingfen2
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摘要

本文以燃料电池轿车( fuel cell vehicle, FCV )为研究对象,采集其怠速工况不同位置的声音信号作为试验样本,采用成对比较法对其中的24个样本信号进行了主观评价试验,同时计算了可以描述其声音特性的6个客观评价参量,并引入BP神经网络建立了FCV声品质预测模型。通过所建立的模型计算FCV声品质客观评价参量对主观评价结果的影响权重,文中首次提出使用BP神经网络的方法来确定声品质评价中客观评价参量对主观评价结果的影响权重,研究结果表明,FCV声品质主要受响度、粗糙度和A声级三个客观参量的影响。此次分析,不仅适用于燃料电池轿车对其它领域的声品质分析与评价都起到了指导性的意义。

Abstract

In this paper, fuel cell vehicle (fuel cell vehicle, FCV) is focused on as the reserch object and the sound signals collected in different locations at idle condition as the experimental samples. This paper uses paired comparison method to have subjective evaluation test for the 24 signal samples stated above, meanwhile, it calculates the six parameters of objective evaluation describing the sound characteristics and adopts BP neural network to establish FCV sound quality prediction model, which could be uesd to calculate the impact weight that means how objective evaluation of sound quality parameters impact on the results of subjective evaluation. It is the first time to propose to use the method of BP neural network to determine impact weight measuring objective evaluation parameters contributing to the results of subjective evaluation in the process of sound quality evaluation, then it is obtained main objective parameters determining sound quality good or not. This analysis, in both fuel-cell vehicle and other areas for sound quality evaluation and analysising, plays a significant guiding role.

关键词

燃料电池轿车 / 声品质 / BP神经网络 / 权重

Key words

Fuel cell vehicle / Sound quality / BP neural network / Predict model / weight

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申秀敏;左曙光;何容;何吕昌;陈瑞锋;张敬芬. 燃料电池轿车声品质客观评价参量的权重 [J]. 振动与冲击, 2011, 30(1): 91-94,1
Shen Xiumin;Zuo Shuguang;He Lvchang;He Rong;Chen Ruifeng;Zhang Jingfen. WEIGHT OF OBJECTIVE EVALUATION PARAMETER OF FUEL CELL VEHICLE SOUND QUALITY [J]. Journal of Vibration and Shock, 2011, 30(1): 91-94,1

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