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    • 72. 发明公开
    • SYSTEM AND METHOD FOR ANALYZING TIRE TREAD PARAMETERS
    • VERFAHREN ZUR ANALYZE VONREIFENLAUFFLÄCHENPARAMETERN系统
    • EP2914946A4
    • 2016-08-10
    • EP12887344
    • 2012-10-31
    • CIE GÉNÉRALE DES ETABLISSEMENTS MICHELINMICHELIN RECH TECH
    • NEAU XAVIER
    • G01M17/02B60C11/24G01B11/22G01B11/24
    • G01M17/027B60C11/24B60C11/246G01B11/22
    • Systems and methods for analyzing tire tread data to assess tire tread parameters, such as irregular wear characteristics of a tire tread, are provided. More particularly, an automated and robust flattening process c be performed to transform tire tread data, such as a tread surface map, into flattened tire tread data. The flattened tire tread data can provide tread heights defined in a measurement direction that is normal to the surface of the tire tread, as opposed to parallel to a radial axis of the tire. The flattened tread data can be analyzed to assess one or more parameters of the tread of the tire. For instance, local height indicators for the flattened tread data can be determined using a local maximum as a reference. Because the local height indicators are relative heights determined from a local maximum, quantification of tread depth can be more easily obtained.
    • 提供了用于分析轮胎胎面数据以评估轮胎胎面参数(例如轮胎胎面的不规则磨损特性)的系统和方法。 更具体地,可以执行自动化和稳健的平坦化处理,以将轮胎胎面数据(例如胎面表面图)变换成扁平的轮胎胎面数据。 与平行于轮胎的径向轴线相反,平坦的轮胎胎面数据可以提供在与轮胎胎面的表面垂直的测量方向上限定的胎面高度。 可以分析扁平的胎面数据以评估轮胎的胎面的一个或多个参数。 例如,可以使用局部最大值作为参考来确定平坦化胎面数据的局部高度指示符。 由于局部高度指示器是从局部最大值确定的相对高度,因此可以更容易地获得胎面深度的量化。
    • 74. 发明公开
    • TIRE WEAR COMPENSATED LOAD ESTIMATION SYSTEM AND METHOD
    • 系统ZURSCHÄTZUNGEINER VERSCHLEISSKOMPENSITENTEN REIFENLAST
    • EP3020578A1
    • 2016-05-18
    • EP15192581.5
    • 2015-11-02
    • The Goodyear Tire & Rubber Company
    • SINGH, Kanwar BharatPARSONS, Anthony WiliamENGEL, Marc
    • B60C23/04B60C11/24B60W40/13G01G19/08B60C23/06
    • B60C23/0488B60C11/246B60C23/04B60C23/061B60C23/064G01G19/086G01M17/02
    • A system and method for estimating a load bearing on a vehicle tire is disclosed. The system comprises a vehicle tire (12) having a tire cavity; an inflation pressure measuring sensor (15) attached to the tire for measuring an inflation pressure level within the tire cavity; a contact patch length sensor (14) attached to the tire for measuring the contact patch length of the tire (12) when the tire (12) is rolling against a ground surface and carrying a tire load; a tire rolling speed sensor (14) for measuring a rolling speed of the tire (12); a tire wear state estimation calculator for estimating a tire wear state of a tread (13) of the tire (12) and/or a hub acceleration sensor for measuring a hub acceleration of a hub supporting the vehicle tire (12); and a tire load calculator for estimating a tire load from the contact patch length, the inflation pressure level, and the tire rolling speed.
    • 公开了一种用于估计车辆轮胎上的承重的系统和方法。 该系统包括具有轮胎腔的车辆轮胎(12) 附接到所述轮胎的用于测量所述轮胎腔内的充气压力水平的充气压力测量传感器(15) 附接到所述轮胎的接触片长度传感器(14),用于当轮胎(12)相对于地面滚动并承载轮胎负载时,测量轮胎(12)的接触片长度; 用于测量轮胎(12)的滚动速度的轮胎滚动速度传感器(14); 轮胎磨损状态估计计算器,用于估计轮胎(12)的胎面(13)的轮胎磨损状态和/或用于测量支撑车辆轮胎(12)的轮毂的轮毂加速度的轮毂加速度传感器; 以及用于从接触片长度,充气压力水平和轮胎滚动速度估计轮胎负载的轮胎负载计算器。
    • 75. 发明公开
    • FAHRZEUGLUFTREIFEN
    • 车辆轮胎
    • EP2998131A1
    • 2016-03-23
    • EP15172644.5
    • 2015-06-18
    • Continental Reifen Deutschland GmbH
    • Rittweger, StefanRiekkola, Jaakko
    • B60C11/24
    • B60C11/24
    • Die Erfindung betrifft einen Fahrzeugluftreifen mit einem Laufstreifen mit mindestens einem Abriebsindikator (5; 15), welcher sich in einer Umfangsnut (1) erstreckt und aus unterschiedlich hohen Indikatorteilen (6, 7, 8; 16, 17, 18), deren Höhen (h 1 , h 2 , h 3 ; h 4 , h 5 , h 6 ) in radialer Richtung von der tiefsten Stelle der Umfangsnut (1) ermittelt werden, zusammengesetzt ist, wobei die Indikatorteile (6, 7, 8; 16, 17, 18) Symbole aufweisen, die, in Draufsicht betrachtet, eine schriftlicher Information liefern, welche sich mit zunehmenden Abrieb des Laufstreifens verändert.
      Die Symbole der Indikatorteile (6, 7, 8; 16, 17, 18) liefern Informationen über sich mit der Profiltiefe des Fahrzeugluftreifens verändernde Fahreigenschaften.
    • 本发明涉及一种充气车辆轮胎具有胎面橡胶与至少一种磨损指示器(5; 15)中的周向槽(1)延伸和不同高度指示器部件(6,7,8; 16,17,18)的,(其高度h 1,H 2,H 3; 6)在径向方向确定(从周向槽1)H H 4,H 5,的最低点组成,其中,所述指示器部件(6,7,8; 16,17,18 )符号具有在俯视图中观察时,提供书面信息,其随着胎面的磨损而改变。 指示器部件的符号(6,7,8; 16,17,18)至所述车辆轮胎更换驾驶特性的轮廓深度提供关于他们自己的信息。
    • 78. 发明公开
    • METHOD AND SYSTEM FOR ESTIMATING WEAR OF AXIALLY DIVIDED TREAD ZONES OF TIRE
    • VERFAHREN UND系统ZURSCHÄTZUNGDER ABNUTZUNG VON轴向不间断PROFILZONEN EINES REIFENS
    • EP2960080A1
    • 2015-12-30
    • EP15173276.5
    • 2015-06-23
    • Sumitomo Rubber Industries, Ltd.
    • MAKINO, ShoutaTAMADA, Ryota
    • B60C11/24
    • B60C99/006B60C11/246G06F17/5018
    • A method for estimating wear of each of circumferential tread zones of a tire by the use of a computer is disclosed. A tire model of the tire comprising model's circumferential tread zones is defined. A simulation for running the tire model under rolling conditions for free-rolling, braking, driving and cornering is performed to obtain a first average wear energy of each model's circumferential tread zone under each rolling condition. With respect to a given running pattern of the tire, occurrence frequencies of the respective rolling conditions occurring in the running pattern are defined. For each circumferential tread zone, a second average wear energy of the concerned circumferential tread zone when the tire is run according to the running pattern is calculated such that the first average wear energies under the respective rolling conditions, of the model's circumferential tread zone of the concerned circumferential tread zone are respectively weighted by the occurrence frequencies of the respective rolling conditions. Wear of each circumferential tread zone is estimated based on the calculated second average wear energy of the concerned circumferential tread zone.
    • 公开了一种通过使用计算机来估计轮胎的每个轮胎胎面区域的磨损的方法。 定义包括模型的周向胎面区域的轮胎的轮胎模型。 执行用于自由滚动,制动,驱动和转弯的滚动条件下的轮胎模型的模拟,以在每个滚动条件下获得每个模型的圆周胎面区域的第一平均磨损能。 对于轮胎的给定运行模式,定义了运行模式中出现的各滚动条件的发生频率。 对于每个圆周胎面区域,计算轮胎根据行驶模式行驶时相关的周向胎面区域的第二平均磨损能量,使得在相应的滚动条件下,模型的胎面胎面区域的第一平均磨损能量 相关的圆周胎面区域分别由相应的轧制条件的发生频率加权。 基于所计算的相关圆周胎面区域的第二平均磨损能量来估计每个圆周胎面区域的磨损。