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    • 112. 发明专利
    • Device and program for control of working vehicle
    • 用于控制车辆的设备和程序
    • JP2012082962A
    • 2012-04-26
    • JP2011274537
    • 2011-12-15
    • Komatsu Ltd株式会社小松製作所
    • ISHIBASHI EIJIONODERA YOSHITAKAHASHIMOTO HIDEHIROHIROSAWA YOSHIYUKIFUKAZAWA TOSHIHIKOSUGIMOTO YUTAKA
    • F16H61/40B62D11/00B62D11/04B62D11/10B62D11/18E02F9/22
    • B62D11/183B62D11/003B62D11/04
    • PROBLEM TO BE SOLVED: To obtain a control amount (speed ratio) corresponding to the feeling of an operator while suppressing a change in the control amount (speed ratio) due to an effect of vehicle vibration or the like, even if an operation device with a short operation stroke range is used.SOLUTION: In a controller, a first line L11 in which a speed ratio is reduced according to a change in operation stroke, a second line L12 obtained by adding hysteresis to the first line L11 and in which the speed ratio is increased according to the change in operation stroke, and third lines L131, L132, L133 and L134 where the speed ratio is changed according to the change in operation stroke and having a small change in the speed ratio relative to the operation stroke, are set. When an operation lever is operated in a direction where the operation stroke decreases from a point on the first line and the speed ratio increases, or a direction where the operation stroke increases from a point on the second line and the speed ratio increases, a speed ratio is calculated in accordance with the third line.
    • 要解决的问题:为了获得与操作者的感觉相对应的控制量(速比),同时抑制由于车辆振动等的影响引起的控制量(速比)的变化,即使 使用具有短操作行程范围的操作装置。 解决方案:在控制器中,根据操作行程的变化而使速度比减小的第一线L11,通过将迟滞加到第一线L11而获得的第二线L12,并且其中速比提高 以及根据操作行程的变化而改变速度比并相对于操作行程具有小的变速比的第三行L131,L132,L133和L134被设定为操作行程的变化。 当操作杆从第一线上的点和操作行程减小的方向操作,或者操作行程从第二行上的点增加并且速度比增大的方向时,速度 比率根据第三行计算。 版权所有(C)2012,JPO&INPIT
    • 115. 发明专利
    • Control device and control program for work vehicle
    • 工程车辆的控制装置和控制程序
    • JP2010195393A
    • 2010-09-09
    • JP2010047819
    • 2010-03-04
    • Komatsu Ltd株式会社小松製作所
    • ISHIBASHI EIJIONODERA YOSHITAKAHASHIMOTO HIDEHIROHIROSAWA YOSHIYUKIFUKAZAWA TOSHIHIKOSUGIMOTO YUTAKA
    • B60T8/17B62D11/00B62D11/04B62D11/10B62D11/18E02F9/22F02D29/02
    • B62D11/183B62D11/003B62D11/04
    • PROBLEM TO BE SOLVED: To provide the supply of a system wherein a change in control quantity due to vehicle body vibrations and the like is small even when an operation device with a short operation stroke range is adopted, and obtaining the control quantity according to feeling when carrying out fine adjustment by increasing/decreasing an operation stroke. SOLUTION: A controller 20 calculates a speed ratio in accordance with a relationship L1 shown in Fig.3, and controls it. (1) A first line L11 on which the speed ratio reduces corresponding to a change in the operation stroke, a second line L12 that has hysteresis with respect to the first line L11, and third lines L131, L132, L133, L134 on which the speed ratio changes corresponding to the change in the operation stroke are set. (2) The speed ratio is calculated when the operation stroke changes in the increasing direction from a point on the first line L11. (3) The speed ratio is calculated when the operation stroke changes in the decreasing direction from a point on the second line L12. (4) The speed ratio is calculated when the operation stroke changes in the decreasing direction from the point on the first line L11 or the operation stroke changes in the increasing direction. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种系统的供给,其中即使采用具有短操作行程范围的操作装置,由于车身振动等引起的控制量的变化也很小,并且获得控制量 根据通过增加/减少操作行程进行微调的感觉。 解决方案:控制器20根据图3所示的关系L1计算速度比,并对其进行控制。 (1)对应于操作行程的变化而使速度比降低的第一线路L11,相对于第一线路L11具有迟滞的第二线路L12和第三线路L131,L132,L133,L134, 设定与操作行程的变化对应的速比变化。 (2)当操作行程从第一行L11上的点在增加方向上改变时,计算速度比。 (3)当从第二线路L12的点向下降方向变化时,算出速度比。 (4)当操作行程从第一行L11上的点沿着减小的方向变化或者操作行程在增加方向上变化时,计算速度比。 版权所有(C)2010,JPO&INPIT
    • 120. 发明专利
    • Working vehicle
    • 工作车辆
    • JP2008174200A
    • 2008-07-31
    • JP2007012026
    • 2007-01-22
    • Mitsubishi Agricult Mach Co Ltd三菱農機株式会社
    • KAMOTO MASASHISANESHIGE HIDEOARITA HIROYUKIYAMAZAKI HIROAKI
    • B62D11/08B62D11/10
    • PROBLEM TO BE SOLVED: To provide a working vehicle capable of obtaining a turning radius corresponding to operation amount of an operating means by simple structure without adding a specific detection means and of improving operation feeling.
      SOLUTION: The working vehicle with right and left traveling devices is provided with a pressure regulating valve 72 for controlling transmission torque capacity of a turning clutch; the operating means for disconnecting a right or left side clutch by operation in the right and left directions; an operation amount detecting means 67 for detecting the operation amount of the operating means; turning ratio detecting means 43, 56, 66 for detecting a turning ratio based on rotational frequencies of a turning rotation on a turning transmission route and a straight traveling rotation on a straight traveling transmission route; and a control device 65 for controlling the pressure regulating valve 72 while performing feedback to correspond to signals from the turning ratio detecting means 43, 56, 66 based on signals from the operation amount detecting means 67. Based on the operation amount of the operating means and the turning ratio, the rotational frequency of the traveling device on the turning inner side is controlled.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够通过简单的结构获得与操作装置的操作量相对应的转弯半径的作业车辆,而不需要增加特定的检测装置并改善操作感觉。 解决方案:具有右行驶装置和左行驶装置的作业车辆设置有用于控制转向离合器的传递扭矩能力的压力调节阀72; 用于通过在左右方向上操作来断开右侧或左侧离合器的操作装置; 操作量检测装置67,用于检测操作装置的操作量; 转弯比检测装置43,56,66,用于基于转向传递路线上的转动旋转的旋转频率和直线行进传送路径上的直线行驶旋转来检测转向比; 以及控制装置65,用于根据来自操作量检测装置67的信号,执行与来自转弯比检测装置43,56,66的信号相对应的反馈的控制压力调节阀72.根据操作装置的操作量 转向比,转向内侧的行驶装置的转速被控制。 版权所有(C)2008,JPO&INPIT