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    • 1. 发明申请
    • A METHOD FOR CALCULATING FORCES ACTING ON THE FOOTPRINT AREA OF A TYRE AND APPARATUS FOR CALCULATING SAID FORCES
    • 一种用于计算轮胎最终区域的力的计算方法和计算装置的装置
    • WO2007102175A1
    • 2007-09-13
    • PCT/IT2006/000134
    • 2006-03-07
    • PIRELLI PNEUMATIC S.P.A.POLITECNICO DI MILANOSAVARESI, SergioTANELLI, MaraLANGTHALER, Peter
    • SAVARESI, SergioTANELLI, MaraLANGTHALER, Peter
    • B60T8/172
    • B60T8/1725B60T2240/03B60T2240/04
    • A method of calculating forces acting on the footprint area of a tyre, said tyre (1) being mounted on a wheel (2) in turn mounted on a hub (3) for engagement with a vehicle, said tyre (1) being moved along a longitudinal direction substantially parallel to the ground (4), said method comprising the following steps: detecting a first angular position (α) of said footprint area (5); detecting a second angular position (β) of a reference point (P) substantially integral with said hub (3); comparing said first and second angular positions (αr β) with each other to determine a phase displacement (δφ) between said reference point (P) and footprint area (5); determining a parameter (k) representing an angular velocity (ω) of said wheel (2); calculating at least one longitudinal force (Fx) in said footprint area (5) as a function of at least said phase displacement (δφ) and said parameter (k). Also described is an apparatus for calculating said forces.
    • 一种计算作用在轮胎的覆盖区域上的力的方法,所述轮胎(1)安装在轮(2)上,所述轮(2)又安装在轮毂(3)上,用于与车辆接合,所述轮胎(1)沿着 基本上平行于地面(4)的纵向方向,所述方法包括以下步骤:检测所述覆盖区域(5)的第一角度位置(a); 检测与所述轮毂(3)基本上成一体的参考点(P)的第二角位置(β); 将所述第一和第二角度位置(arβ)彼此进行比较,以确定所述参考点(P)和足迹区域(5)之间的相位位移(df); 确定表示所述车轮(2)的角速度(ω)的参数(k); 作为至少所述相位位移(df)和所述参数(k)的函数,计算所述覆盖区域(5)中的至少一个纵向力(Fx)。 还描述了一种用于计算所述力的装置。