15
views
0
recommends
+1 Recommend
0 collections
    0
    shares
      • Record: found
      • Abstract: found
      • Article: found
      Is Open Access

      Artificial Engine Sound Synthesis Method for Modification of the Acoustic Characteristics of Electric Vehicles

      1 , 1 , 1

      Shock and Vibration

      Hindawi Limited

      Read this article at

      ScienceOpenPublisher
      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          Sound radiation from electric motor-driven vehicles is negligibly small compared to sound radiation from internal combustion engine automobiles. When running on a local road, an artificial sound is required as a warning signal for the safety of pedestrians. In this study, an engine sound was synthesized by combining artificial mechanical and combustion sounds. The mechanical sounds were made by summing harmonic components representing sounds from rotating engine cranks. The harmonic components, including not only magnitude but also phase due to frequency, were obtained by the numerical integration method. The combustion noise was simulated by random sounds with similar spectral characteristics to the measured value and its amplitude was synchronized by the rotating speed. Important parameters essential for the synthesized sound to be evaluated as radiation from actual engines were proposed. This approach enabled playing of sounds for arbitrary engines. The synthesized engine sounds were evaluated for recognizability of vehicle approach and sound impression through auditory experiments.

          Related collections

          Most cited references 19

          • Record: found
          • Abstract: not found
          • Article: not found

          New methodology for in-cylinder pressure analysis in direct injection diesel engines-application to combustion noise

            Bookmark
            • Record: found
            • Abstract: not found
            • Article: not found

            An efficient technique for modeling and synthesis of automotive engine sounds

             S.A. Amman,  M. Das (2001)
              Bookmark
              • Record: found
              • Abstract: not found
              • Article: not found

              Lean Combustion and Emission Characteristics of Bioethanol and Its Blends in a Spark Ignition (SI) Engine

                Bookmark

                Author and article information

                Journal
                Shock and Vibration
                Shock and Vibration
                Hindawi Limited
                1070-9622
                1875-9203
                2018
                2018
                : 2018
                : 1-8
                Affiliations
                [1 ]Department of Mechanical Engineering, Hanyang University, Seoul 133-791, Republic of Korea
                Article
                10.1155/2018/5209207
                © 2018

                Comments

                Comment on this article