Experimental Approach to Eliminate Mirror Blur

Paper #:
  • 2013-01-1918

Published:
  • 2013-05-13
DOI:
  • 10.4271/2013-01-1918
Citation:
Raamya Premkumar, S., Jayakumar, N., and Nair, S., "Experimental Approach to Eliminate Mirror Blur," SAE Technical Paper 2013-01-1918, 2013, https://doi.org/10.4271/2013-01-1918.
Pages:
8
Abstract:
In today's automobile market, fuel economy is a powerful parameter which gives an edge over competition. Light weight materials play a major role in achieving this. Mirrors tend to underperform in terms of NVH when they are considered for weight optimization. Being light in weight mirrors get easily excited as the energy gets transferred through the structures causing vibration due to their poor damping characteristics.Mirror vibration is a grave concern which affects the vehicle safety. Blur is an effect of vibration which has higher energy levels in vertical and longitudinal direction. It resembles resonance, wherein the vision is zero at certain engine rpm. This paper depicts the approach for mirror blur elimination in the vehicle (prosper segment vehicles), which consider cost as the primary concern. Since the vehicle was nearing SOP design changes was not possible. Certain parameters were attempted without affecting the design as explained in this paper.This paper gives a brief design guideline on possible sources for mirror blur and its solutions.
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