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    • 1. 发明申请
    • A METHOD FOR ESTIMATING TORQUE DOWNSTREAM OF A VEHICLE TRANSMISSION
    • 一种用于估计车辆变速箱扭矩下降的方法
    • WO2014083125A1
    • 2014-06-05
    • PCT/EP2013/075008
    • 2013-11-28
    • CNH AMERICA LLCCNH ITALIA S.P.A.
    • MANCARELLA, FrancescoVENTURELLI, MatteoMORANDI, Gabriele
    • B60W30/188B60W10/30
    • F16H63/50B60W10/30B60W30/1888B60W2510/0657B60W2510/1025B60W2510/305F16H47/04F16H59/16F16H2059/6853
    • A method for estimating torque (T; H) transmitted to a structure (32) located downstream of a transmission system (1) of a vehicle, the vehicle comprising an engine (2) for generating torque (M), the transmission system (1) being configured to transmit a fraction (W) of the torque (M) generated by the engine (2) to a plurality of wheels (3) of the vehicle and a further fraction (T + H) of the torque (M) generated by the engine (2) to said structure (32), the transmission system (1) comprising: a shaft arrangement (12) interposed between the engine (2) and said structure (32); a planetary gearing (22) supported by the shaft arrangement (12); a transmission unit (5) arranged in parallel to the shaft arrangement (12); wherein the torque (T; H; W) transmitted to said structure (32) is estimated on the basis of a group of parameters comprising: torque (M) upstream of the transmission system (1); twist (ΔΘ) of the shaft arrangement (12); a parameter (a) which is indicative of the ratio between an output rotational speed at an output of the transmission unit (5) and an input rotational speed at an input of the transmission unit (5).
    • 一种用于估计传输到位于车辆的传动系统(1)下游的结构(32)的扭矩(T; H)的方法,所述车辆包括用于产生扭矩(M)的发动机(2),所述传动系统(1) )被配置为将由发动机(2)产生的扭矩(M)的分数(W)传递到车辆的多个车轮(3),并且产生转矩(M)的另一部分(T + H) 通过发动机(2)到所述结构(32),传动系统(1)包括:设置在发动机(2)和所述结构(32)之间的轴装置(12) 由所述轴装置(12)支撑的行星齿轮(22); 布置成与所述轴装置(12)平行的传动单元(5); 其中传输到所述结构(32)的扭矩(T; H; W)是基于一组参数来估计的,包括:传输系统(1)上游的转矩(M); 轴装置(12)的扭转(&D;Θ); 表示发送单元(5)的输出端的输出转速与发送单元(5)的输入端的输入转速的比率的参数(a)。