电动汽车低速提示音系统的法规适应性研究

doi:10.19562/j.chinasae.qcgc.2020.08.016

汽车工程 ›› 2020, Vol. 42 ›› Issue (8): 1110-1116.doi: 10.19562/j.chinasae.qcgc.2020.08.016

电动汽车低速提示音系统的法规适应性研究

曹蕴涛, 汤乐超, 刘英杰

1.中国第一汽车集团有限公司研发总院,长春 130013;
2.汽车振动噪声与安全综合控制技术国家重点实验室,长春 130011

收稿日期:2019-09-19 出版日期:2020-08-25 发布日期:2020-09-24
通讯作者: 曹蕴涛,高级工程师,博士,E-mail:caoyuntaocom@163.com。

Research on Regulation Adaptation for Acoustic Vehicle Alerting System in Electric Vehicles

Cao Yuntao, Tang Lechao, Liu Yingjie

1. China FAW Group Co., Ltd., Changchun 130013;
2. State Key Laboratory of Comprehensive Technology on Automobile Vibration and Noise & Safety Control, Changchun 130011

Received:2019-09-19 Online:2020-08-25 Published:2020-09-24

摘要/Abstract

摘要： 本文首先阐述了国家标准规定的电动汽车低速提示音调试方法和过程,并重点论述了低速提示音频谱能量分布对车外噪声最低限值和车内声音品质的影响,提出了一种低速提示音声品质评价方法。测试评价结果表明,通过改进低速提示音在车速变化过程中频谱能量的分布,实现了法规最低限值和车内声品质的兼顾,能更全面地考察低速提示音对整车NVH性能的影响。

关键词: 电动汽车, 低速提示音系统, 声品质评价, 法规适应性

Abstract: In this paper, the tuning method and process of acoustic vehicle alerting system (AVAS) specified in national standard for electric vehicle running at low speed are expounded with the effects of the frequency spectrum energy distribution in AVAS on the lowest limit of exterior noise and interior sound quality emphatically discussed, and a sound quality evaluation method for AVAS is proposed. The results of test and evaluation show that by improving the frequency spectrum distribution of AVAS in the process of speed variation, the balance between the lowest noise limit specified in regulation and internal sound quality is achieved, enabling more all-roundly investigation into the effects of AVAS on the NVH performance of vehicle.

Key words: electric vehicles, AVAS, sound quality evaluation, regulation adaptation

曹蕴涛, 汤乐超, 刘英杰. 电动汽车低速提示音系统的法规适应性研究[J]. 汽车工程, 2020, 42(8): 1110-1116.

Cao Yuntao, Tang Lechao, Liu Yingjie. Research on Regulation Adaptation for Acoustic Vehicle Alerting System in Electric Vehicles[J]. Automotive Engineering, 2020, 42(8): 1110-1116.

参考文献

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电动汽车低速提示音系统的法规适应性研究

Research on Regulation Adaptation for Acoustic Vehicle Alerting System in Electric Vehicles

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