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    • 16. 发明申请
    • A METHOD FOR GEAR SELECTION DURING DRIVING OF A VEHICLE IN A HEAVY UPHILL DRIVE CONDITION
    • 在重型驾驶条件下驾驶车辆时选择齿轮的方法
    • WO2007067115A1
    • 2007-06-14
    • PCT/SE2005/001892
    • 2005-12-09
    • VOLVO LASTVAGNAR ABERIKSSON, AndersLINDGREN, AndersBERGLUND, SixtenTEMPLIN, Peter
    • ERIKSSON, AndersLINDGREN, AndersBERGLUND, SixtenTEMPLIN, Peter
    • F16H61/02F16H59/66
    • F16H61/0213F16H59/18F16H59/44F16H59/52F16H59/66F16H2059/663F16H2061/0234
    • A method for gear selection during driving of a vehicle in a heavy uphill drive condition, said vehicle comprising an engine (1), an automated mechanical transmission (9), a clutch (3), a control unit (45) for receiving input signals including signals indicative of vehicle speed, engaged ratio of said transmission, rotational speed of said engine, rotational speed of a input shaft and displacement of a throttle control (48) for engine torque request, and for processing said signals in accordance with programmed logic rules to issue command output signals to said engine (1), to said transmission (9) and to said clutch (3). When sensing a heavy uphill drive condition a target gear is determined for said uphill drive condition, said target gear being the highest possible gear with lowest possible gear ratio where the vehicle, in view of at least current circumstances, will be at least theoretically able to hold a constant vehicle speed or accelerate at least slightly, and where further selection of downshifts will be adapted so that no lower gear than said target gear will be selected and engaged.
    • 一种用于在重型上坡驾驶状态下驾驶车辆时进行档位选择的方法,所述车辆包括发动机(1),自动机械变速器(9),离合器(3),用于接收输入信号的控制单元(45) 包括指示车辆速度,所述变速器的接合比,所述发动机的转速,输入轴的转速和用于发动机扭矩请求的节气门控制器(48)的位移的信号,以及根据编程的逻辑规则来处理所述信号 向所述发动机(1)向所述变速器(9)和所述离合器(3)发出指令输出信号。 当感测到重的上坡驱动条件时,为所述上坡驱动条件确定目标档位,所述目标档是具有最低可能传动比的最高可能档位,鉴于至少目前的情况,车辆将至少理论上能够 保持恒定的车辆速度或至少稍微加速,并且进一步选择降档将被适配,使得不会选择和接合比所述目标档位低的档位。