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    • 3. 发明申请
    • IMPROVEMENT OF TIRE UNIFORMITY THROUGH IDENTIFICATION OF PROCESS SIGNATURES
    • 通过识别过程标志来改进轮胎均匀性
    • WO2010126516A1
    • 2010-11-04
    • PCT/US2009/042350
    • 2009-04-30
    • MICHELIN RECHERCHE ET TECHNIQUE, S.A.SOCIETE DE TECHNOLOGIE MICHELINMAWBY, William, DavidJETER, Jimmy
    • MAWBY, William, DavidJETER, Jimmy
    • E01C23/00
    • B29D30/0061B29D30/0633B29D30/0662B29D2030/0066B29D2030/0635B29D2030/0665G01M17/02
    • A system and related method for improving tire uniformity includes providing a number ( n ) of test tires manufactured in a known order and identifying at least one candidate cyclic process effect with a known frequency of introduction ( f ). A given uniformity parameter, such as radial or lateral run-out, balance, mass variation, radial lateral or tangential force variation, is measured for each tire in the test set, and measured data points are combined into a concatenated composite waveform. At least one process harmonic associated with each identified cyclic process effect is separated from the tire harmonics, for example, by Fourier transformation with identification of the process harmonics as positive integer multiples of the m th harmonic where m=n/f . Once the process harmonics are extracted, filtered uniformity measurements can be provided or new tires can be built with the process effect minimized or offset in some fashion by location of other tire contributions.
    • 用于提高轮胎均匀性的系统和相关方法包括提供以已知顺序制造的数量(n)个测试轮胎,并且以已知的介绍频率(f)识别至少一个候选循环过程效果。 对于测试组中的每个轮胎测量给定的均匀性参数,例如径向或侧向跳动,平衡,质量变化,径向横向或切向力变化,并且测量的数据点被组合成级联复合波形。 与每个识别的循环过程效应相关联的至少一个过程谐波例如通过傅立叶变换与工艺谐波的识别作为第m次谐波的正整数倍(其中m = n / f)与轮胎谐波分离。 一旦提取过程谐波,就可以提供过滤的均匀度测量值,或者可以通过其他轮胎贡献的位置以最小化或偏移的过程效应来构建新的轮胎。