Investigation on Wiping Noises and NVH Design Consideration in a Wiper System

Paper #:
  • 2013-01-1916

Published:
  • 2013-05-13
Citation:
N, J., Raamya Premkumar, S., and Nair, S., "Investigation on Wiping Noises and NVH Design Consideration in a Wiper System," SAE Technical Paper 2013-01-1916, 2013, https://doi.org/10.4271/2013-01-1916.
Pages:
8
Abstract:
As automobiles become increasingly quieter, the wiper operation noise becomes more noticeable by the customer. This paper deals with the experimental approach and the methodology to investigate the Friction induced wiping noise. Role of design in a wiper system plays a very imperative task in meeting the performance of wipers but at the same time it does not cater to the NVH issues. Some of the important design parameters which affect the NVH properties of the wiper system are highlighted in this paper. For better understanding of the system some of the best in class vehicles for SUV category were tested and compared with our test vehicle. In this study more importance given to analytical part which is more important to investigate and in depth study of the friction induced noise. For analytical study some techniques such as time frequency domain i.e. Wavelet transforms, frequency domain and time domain where extensively used. Finally ranking of the NVH design factors based on the criticality are stated in this document. These factors may be helpful during design of wiper system for better NVH, without deteriorating the functional performance.
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