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Articulation index를 이용한 타이어 소음 측정방법 개발
김기전(G.J.Kim),조시완(S.W.Cho),노국희(K.H.Rho),유환종(H.J.Yu) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_2
A critical aspect of the performance of tyres for passenger vehicles is the quality of vehicle interior noise as a result of tyre-pavement interaction.Generally. vehicle manufacturers evaluate the noise performance of tyres by subjective tests conducted by skilled test drivers. Drivers rate a tyre on a 1 to 10 point scale with the higher number being better.<br/> For the effective control of the tyre noise, it is necessary to define the relationship of the subjective rating and the objective measurement. in this study the articulation index method is applied to evaluate a tyre noise from objective measurements. The measurement system is built to calculate an articulation index from vehicle interior noise due to a tyre. An articulation index rating is newly introduced to set up the correlation of subjective feeling rating and the articulation index. The results show that AI rating and subjective rating have a good correlation. AI rating can be used for the effetive control and the evaluation of a tyre noise.<br/>