Study of the effectiveness of electric vehicle warning sounds depending on the urban environment |
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| Authors: | Pedro Poveda-Martí nez,Ramó n Peral-Orts,Nuria Campillo-Davo,Josue Nescolarde-Selva,Miguel Lloret-Climent,Jaime Ramis-Soriano |
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| Affiliation: | 1. Applied Acoustics Group, University Institute of Physics Applied to Sciences and Technologies, University of Alicante, 03690 San Vicente del Raspeig, Alicante, Spain;2. Mechanical Engineering and Energy Department, Miguel Hernández University of Elche, 03202 Elche, Alicante, Spain |
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| Abstract: | Electric and Hybrid Electric vehicles (EV and HEV) seem to be the future of transport in smart cities and the key for the total reduction of noise disturbance and pollution in urban areas. However, several problems have to be solved to guarantee the safety of these types of vehicle. Up to now, the use of HEV has shown the dangers of a “quiet” transport system in urban environments; in fact, it has been estimated that an HEV is twice as likely to be involved in a pedestrian crash as would be an internal combustion engine (ICE) vehicle in the same situation. With the aim of improving their safety, different kinds of warning sounds are being designed to increase the detectability of EV and HEV without themselves becoming new annoying sound sources. The sound directivity, frequency of emission and intensity of warning sound systems will guarantee their efficiency and limited noise impact. |
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| Keywords: | Acoustic vehicle alerting systems Warning sound Electric vehicle Hybrid electric vehicle Internal combustion engine vehicle Reaction time |
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