Abstract
This study investigates the effects of the dynamic characteristics of the lead screw on the operating noise of the seat adjuster through experiments and numerical analysis. The dynamic characteristics of the lead screw were determined through a modal test in three boundary conditions, namely free-free, clamped-pinned, and the change in position of the gearbox on the lead screw. The operating noise was measured using an experimental device that minimized elements other than the lead screw. Lastly, the modal test results of the leadscrew were applied to the mathematical model, and numerical analysis was carried out. It was found that the cause of resonance noise and vibration instability of the lead screw was the incomplete restraint of the front bracket.
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Acknowledgements
This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education(No. 2017R1D1A1B03033881).
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Kim, SY., Kim, KS. (2019). Dynamic and Noise Characteristics of Lead Screw in Vehicle Power Seat Adjuster. In: Öchsner, A., Altenbach, H. (eds) Engineering Design Applications. Advanced Structured Materials, vol 92. Springer, Cham. https://doi.org/10.1007/978-3-319-79005-3_4
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DOI: https://doi.org/10.1007/978-3-319-79005-3_4
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