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    • 19. 发明授权
    • Engine speed control system for work vehicle
    • 工作车辆发动机转速控制系统
    • US08131434B2
    • 2012-03-06
    • US12212202
    • 2008-09-17
    • Eiji NishiNobuyuki OkabeKenji Yoshikawa
    • Eiji NishiNobuyuki OkabeKenji Yoshikawa
    • G06F7/70F02D41/08
    • F02D31/009F02D11/105
    • An engine speed control system for a work vehicle comprises a pedal sensor (32) for detecting an operative position of an accelerator pedal (31); a foot accelerator controller for carrying out foot accelerator control in which the engine speed that corresponds to an output of the pedal sensor (32) is used as a target rotational speed; and upper limit setting device (35) for setting the upper limit of the engine speed. The upper limit rotation control in which the upper limit rotational speed is used as the target rotational speed is carried out when the target engine speed is greater than the upper limit rotational speed set by the upper limit setting device (35).
    • 一种用于工作车辆的发动机速度控制系统包括用于检测加速器踏板(31)的操作位置的踏板传感器(32); 用于执行脚踏加速器控制的脚踏加速器控制器,其中将与踏板传感器(32)的输出相对应的发动机速度用作目标转速; 以及用于设定发动机转速的上限的上限设定装置(35)。 当目标发动机转速大于由上限设定装置(35)设定的上限转速时,进行上限转速用作目标转速的上限转动控制。
    • 20. 发明授权
    • Engine speed control system for work vehicle
    • 工作车辆发动机转速控制系统
    • US07930084B2
    • 2011-04-19
    • US12212325
    • 2008-09-17
    • Eiji NishiNobuyuki OkabeKenji Yoshikawa
    • Eiji NishiNobuyuki OkabeKenji Yoshikawa
    • G06F7/70F02D41/08
    • B60W10/06B60W30/188B60W2540/10B60W2540/16B60W2710/0644E02F9/2066F02D31/001F02D2200/602F02D2200/604
    • The engine speed control system for a work vehicle has a foot accelerator controller for carrying out foot accelerator control based on a pedal sensor, a hand accelerator controller for carrying out hand accelerator control based on a lever sensor, a manually operated input device, storage means for storing a predetermined engine speed, and a constant rotation controller for carrying out constant rotation control in which the engine speed stored in the storage means is used as the target rotational speed on the basis of an input to the input device. The constant rotation control is carried out when the input device has been operated in the case that the engine speed that corresponds to the output of the lever sensor is greater than an idling speed, and the constant rotation control is terminated when the input device is operated in the case that the engine speed that corresponds to the output of the lever sensor is equal to or less than the idling speed.
    • 工作车辆的发动机转速控制系统具有脚踏加速器控制器,用于基于踏板传感器执行脚踏加速器控制,用于执行基于杠杆传感器的手加速器控制的手加速器控制器,手动操作的输入装置,存储装置 以及用于进行恒定旋转控制的恒定旋转控制器,所述恒定旋转控制器根据对所述输入装置的输入,将存储在所述存储装置中的发动机转速用作所述目标转速。 在对应于杠杆传感器的输出的发动机转速大于空转速度的情况下,当输入装置被操作时,执行恒定旋转控制,并且当输入装置被操作时终止恒定旋转控制 在与传感器的输出对应的发动机转速等于或小于空转速度的情况下。