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

Abstract

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

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.

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

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