Statistical Design of an Experimental Problem in Harmonics

Lamoureux, Michael (2000) Statistical Design of an Experimental Problem in Harmonics. Canadian Industrial Problem Solving Workshops > 4th IPSW [Edmonton 29/5/2000 - 3/6/2000].

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Abstract/Summary

The Michelin Tire Company requires its tires to be very uniform in order to provide a smooth, quiet ride. The design of the appropriate manufacturing technique leads to a problem in harmonic analysis, and to the problem of the design of a statistical experiment to accurately measure the harmonic components contributing to a measured force on the tire. Optimal designs were developed, as well as a number of useful Monte Carlo methods. MATLAB codes of the tests are provided.

Item Type:	Study Group Report
Study Group:	Canadian Industrial Problem Solving Workshops > 4th IPSW [Edmonton 29/5/2000 - 3/6/2000]
Company Name:	Michelin Tire
Industrial Sector:	Transport and Automotive
Additional Contributors:	Aggarwala, Rita and Alam, Jahrul M. and Islam, Md. Shafiqul and Paulhus, Marc and Powojowksi, Miro and Rasekh, Leila
ID Code:	163
Deposited By:	Michele Taroni
Deposited On:	07 October 2008

Problem Statement

Tires are tested by subjecting them to a variety of forces and storing the response as periodic waveform. Harmonic components of these waveforms are related to tire performance characteristics, such as noise and comfort, hence the control and reduction of the amplitude of certain harmonics is an important facet of design. Technicians may want to perform designed experiments during production to better understand how various processes and tire components affect the resulting harmonics. The problem deals with a specific technique for testing tires in production, more specifically, how this technique can be used with maximum efficiency.

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