Approaching electric vehicles sound for pedestrians based on ease of detection by fluctuation of motor sound

机译：基于马达声音波动的易检测性，为行人接近电动汽车的声音

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Since the motor of an electric vehicle (EV) is quiet, it has the disadvantage that pedestriansdo not notice EVs approaching them. An EV was designed to play an approaching sound tosolve this problem. However, it has not been solved yet. This study proposes anapproaching EVs sound for pedestrians by using the fluctuation of motor sound for ease ofdetection of approaching EVs as well as synthesizing a sound for warning. The motorsound with characteristics of the fluctuation of the gasoline engine was synthesized using aprocedure proposed in our previous study. In that study, the synthesized motor sound iscalled “fluctuating motor sound”. That study investigated the effects of fluctuating motorsound on the perception of loudness. Here, we clarify the effect of fluctuation on theperception of loudness. Moreover, we observed that there are significant differences amongonly experimental results based on only fluctuation of amplitude with onset time. Inaddition, whether the fluctuating motor sound makes it easy to notice approaching vehicleswas investigated. We found that the fluctuating motor sound elicited by only fluctuation ofamplitude with onset time is effective to enable people to notice the approaching vehicles.

机译：由于电动汽车（EV）的马达安静，因此其缺点是行人不会注意到电动汽车正在接近它们。电动汽车旨在播放逼近的声音来解决此问题。但是，尚未解决。这项研究提出了一种通过利用马达声音的波动为行人提供接近EV声音的方法，以便于检测正在接近的EV以及合成警告声音。使用我们以前的研究中提出的程序，合成了具有汽油机波动特性的马达声。在该研究中，合成的马达声音称为“波动马达声音”。该研究调查了波动的马达声对响度感知的影响。在这里，我们阐明了波动对响度感知的影响。此外，我们观察到，仅基于振幅随开始时间的波动，仅在实验结果之间存在显着差异。另外，还研究了马达声音的波动是否使人们容易注意到正在接近的车辆。我们发现，仅由振幅随时间的波动引起的波动的电机声音有效地使人们注意到了正在驶近的车辆。

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来源
《Korean Society of Noise & Vibration Control;Institute of Noise Control Engineering;International congress and exposition on noise control engineering;ASME Noise Control & Acoustics Division》|2015年|1-9|共9页
会议地点 San Francisco, CA(US)
作者
Nozomiko YASUI; Masanobu MIURA;
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Department of Information Engineering Matsue College of Technology 14-4 Nishi-ikuma Matsue Shimane 690-8518 JAPAN email: n_yasui@matsue-ct.jp;

Faculty of Science and Technology Ryukoku University 1-5 Yokotani Oe-cho Seta Otsu 520-2194 JAPAN email: miura@mail.ryukoku.ac.jp;

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Approaching electric vehicles sound for pedestrians based on ease of detection by fluctuation of motor sound

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