汽车工程 ›› 2021, Vol. 43 ›› Issue (12): 1858-1864.doi: 10.19562/j.chinasae.qcgc.2021.12.016
收稿日期:
2021-08-02
修回日期:
2021-08-29
出版日期:
2021-12-25
发布日期:
2021-12-24
通讯作者:
高云凯
E-mail:gaoyunkai@tongji.edu.cn
基金资助:
Zhe Liu,Yunkai Gao(),Furong Xie
Received:
2021-08-02
Revised:
2021-08-29
Online:
2021-12-25
Published:
2021-12-24
Contact:
Yunkai Gao
E-mail:gaoyunkai@tongji.edu.cn
摘要:
鉴于汽车关门声品质直接影响消费者的购买意愿,本文中对某一电动汽车的关门声品质的预测模型进行研究。首先进行了多工况车门关闭试验,采集了驾驶员耳旁的多组噪声样本,接着,提出并测定了6项客观声品质评价指标,同时进行烦躁度的主观评定,分析了6项客观声品质评价指标与主观评定烦躁度的相关性。然后利用遗传-反向传播(GA-BP)神经网络建立了其主观声品质预测模型,并在上述分析的相关性基础上,建立了反映烦躁度与客观声品质指标之间关系的多元线性回归预测模型。最后,利用5个随机的噪声样本对两种预测模型进行对比验证。结果表明, GA-BP神经网络的预测精度优于多元线性回归模型。
刘哲,高云凯,解馥荣. 电动汽车关门声品质预测模型研究[J]. 汽车工程, 2021, 43(12): 1858-1864.
Zhe Liu,Yunkai Gao,Furong Xie. Study on Predictive Models for Door Slamming Sound Quality of an Electric Vehicle[J]. Automotive Engineering, 2021, 43(12): 1858-1864.
表2
客观声品质和主观评价结果"
样本 | A计权声压级/ dB(A) | 主冲击时间/s | 低频延续 时间/s | 响度/sone | 粗糙度/ asper | 尖锐度/acum | 烦躁度 |
---|---|---|---|---|---|---|---|
1 | 67.40 | 0.27 | 0.10 | 12.92 | 1.91 | 3.89 | 2.3 |
2 | 84.68 | 0.29 | 0.07 | 41.56 | 1.94 | 3.65 | 3.4 |
3 | 91.69 | 0.34 | 0.19 | 50.09 | 2.16 | 3.47 | 4.2 |
4 | 114.89 | 0.40 | 0.21 | 117.80 | 3.75 | 3.32 | 7.1 |
5 | 84.68 | 0.29 | 0.07 | 41.56 | 1.94 | 3.65 | 3.4 |
6 | 110.87 | 0.46 | 0.25 | 165.91 | 5.21 | 3.17 | 8.7 |
7 | 90.90 | 0.32 | 0.15 | 62.23 | 2.80 | 3.45 | 4.5 |
8 | 94.11 | 0.32 | 0.17 | 76.90 | 2.36 | 3.34 | 4.9 |
9 | 110.60 | 0.42 | 0.24 | 163.94 | 5.03 | 3.16 | 8.5 |
10 | 123.21 | 0.48 | 0.26 | 152.45 | 6.94 | 2.94 | 9.2 |
11 | 111.21 | 0.39 | 0.20 | 170.99 | 3.92 | 3.31 | 8.3 |
12 | 92.39 | 0.31 | 0.13 | 69.20 | 3.10 | 3.53 | 4.7 |
13 | 75.99 | 0.21 | 0.10 | 23.38 | 1.69 | 3.69 | 2.6 |
14 | 88.56 | 0.24 | 0.11 | 53.58 | 2.83 | 3.60 | 4.1 |
15 | 87.85 | 0.25 | 0.13 | 53.80 | 2.68 | 3.61 | 4.1 |
16 | 91.10 | 0.32 | 0.16 | 62.22 | 2.46 | 3.45 | 4.5 |
17 | 115.35 | 0.39 | 0.22 | 110.97 | 5.57 | 3.17 | 7.3 |
18 | 96.56 | 0.33 | 0.15 | 85.94 | 2.64 | 3.23 | 5.2 |
19 | 78.70 | 0.23 | 0.15 | 30.48 | 2.05 | 3.84 | 3.1 |
20 | 94.10 | 0.37 | 0.15 | 75.98 | 2.31 | 3.27 | 4.9 |
21 | 117.75 | 0.42 | 0.22 | 152.24 | 4.42 | 3.29 | 8.2 |
22 | 96.18 | 0.37 | 0.17 | 71.56 | 2.83 | 3.30 | 5.1 |
23 | 85.11 | 0.28 | 0.06 | 41.50 | 2.52 | 3.71 | 3.5 |
24 | 70.85 | 0.25 | 0.16 | 17.42 | 2.18 | 3.95 | 2.7 |
25 | 107.45 | 0.42 | 0.23 | 129.10 | 4.50 | 3.29 | 7.4 |
26 | 87.19 | 0.31 | 0.05 | 44.62 | 2.01 | 3.59 | 3.5 |
27 | 91.88 | 0.33 | 0.12 | 63.92 | 2.31 | 3.54 | 4.4 |
28 | 94.94 | 0.37 | 0.19 | 68.93 | 2.43 | 3.36 | 4.9 |
29 | 105.44 | 0.41 | 0.21 | 119.09 | 5.93 | 3.28 | 7.4 |
30 | 110.87 | 0.46 | 0.25 | 165.91 | 5.21 | 3.17 | 8.7 |
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