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    • 2. 发明授权
    • Ripper operation using force vector and track type tractor using same
    • 使用力矢量和轨道式拖拉机的裂土器操作使用相同的
    • US07658234B2
    • 2010-02-09
    • US11299066
    • 2005-12-09
    • Everett G. BrandtAndrew G. Shull
    • Everett G. BrandtAndrew G. Shull
    • A01B63/112
    • E02F9/2203A01B63/112E02F3/845E02F9/2029
    • A method of increasing efficiency and avoiding or reducing potential stall conditions is accomplished by configuring a ripper of a track type tractor responsive to a net force vector acting on the ripper. The net force vector is indicative of the various forces and pressures acting on the ripper, and the values indicative of these forces can be sensed. For instance, the force and value indicative of the force magnitude can be sensed by monitoring driveline torque, whereas the force vector angle can be derived from ripper tilt and lift actuator pressures. The ripper is configured responsive to the force vector magnitude and direction either via a control algorithm, or by inputs generated by an operator.
    • 提高效率和避免或减少潜在失速条件的方法是通过对作用在裂土器上的净力矢量进行响应的轨道式拖拉机的裂土器来实现的。 净力向量表示作用在裂土器上的各种力和压力,并且可以感测到指示这些力的值。 例如,可以通过监测传动系扭矩来感测指示力大小的力和值,而力矢量角可以从剥离器倾斜和提升致动器压力导出。 裂土器通过控制算法或由操作者产生的输入来响应于力矢量幅度和方向来配置。
    • 4. 发明申请
    • System for controlling implement position
    • 控制实施位置的系统
    • US20080027610A1
    • 2008-01-31
    • US11495484
    • 2006-07-31
    • Andrew G. Shull
    • Andrew G. Shull
    • G06F19/00
    • A01B63/1117
    • A system for controlling implement position including a method for controlling movement of an implement is disclosed. The method includes determining a first parameter configured to affect control of the implement with respect to a first timing. The method also includes determining a second parameter configured to affect control of the implement with respect to a second timing. The second timing is shorter than the first timing. The method also includes selectively establishing a third parameter as a function of the first and second parameters when the second parameter is greater than a predetermined value. The method further includes controlling a position of the implement as a function of the third parameter.
    • 公开了一种用于控制工具位置的系统,包括用于控制工具的移动的方法。 该方法包括确定第一参数,该第一参数被配置为相对于第一定时影响对实施方式的控制。 该方法还包括确定第二参数,第二参数被配置为相对于第二定时影响对实施方式的控制。 第二定时比第一定时短。 该方法还包括当第二参数大于预定值时,根据第一参数和第二参数有选择地建立第三参数。 该方法还包括根据第三参数控制工具的位置。
    • 5. 发明申请
    • Tool control system based on anticipated terrain
    • 基于预期地形的工具控制系统
    • US20090112410A1
    • 2009-04-30
    • US11976397
    • 2007-10-24
    • Andrew G. Shull
    • Andrew G. Shull
    • G06G7/06
    • B25J9/1664G05B2219/40512G05B2219/45012
    • A tool control system for controlling a tool of a machine is disclosed. The tool control system includes a tool configured to shape a surface of a worksite. The tool control system also includes a positioning system configured to determine a worksite position of a machine supporting the tool. The tool control system also includes a controller configured to receive a site map containing a profile of the surface, receive the worksite position of the machine, and determine a contour of the surface not yet traversed by the machine. The controller also being configured to anticipate an effect on the contour caused by the tool when the machine traverses the contour, and to move the tool and accommodate the affect before the machine traverses the contour.
    • 公开了一种用于控制机器的工具的工具控制系统。 工具控制系统包括被配置为成形工地表面的工具。 工具控制系统还包括配置成确定支撑工具的机器的工地位置的定位系统。 所述工具控制系统还包括控制器,所述控制器被配置为接收包含所述表面轮廓的站点地图,接收所述机器的工地位置,以及确定所述机器尚未穿过的所述表面的轮廓。 控制器还被配置为在机器横穿轮廓时预测由工具引起的轮廓的影响,并且在机器穿过轮廓之前移动工具并适应影响。
    • 6. 发明授权
    • Method for automatic loading of a scraper bowl
    • 自动装载刮板的方法
    • US6125561A
    • 2000-10-03
    • US218193
    • 1998-12-22
    • Andrew G. Shull
    • Andrew G. Shull
    • E02F3/64E02F3/65
    • E02F3/6481E02F3/651
    • The present invention generally provides a method of automatic control for a scraper bowl by measuring a first force as applied to the scraper bowl during forward movement of the scraper. Preferably, the first force is derived by measuring the hydraulic pressure within the hydraulic actuator that controls the scraper bowl. A target force value is then subtracted from the first force to obtain a force error signal which is converted into a position command signal. The position command signal is preferably used to automatically adjust the depth of cut performed by the scraper blade without diversion of the operator's attention. Additionally, the scraper blade can be further controlled by constraining the vertical adjustment speed signal of the cutting blade to prevent the cutting blade from digging to deep or breaking through the ground by providing an upper constraint limit and a lower constraint limit which can be set according to tractive effort and the material condition acting upon the scraper blade.
    • 本发明通常提供了一种通过在刮刀向前运动期间测量施加到刮板碗上的第一力来对刮板进行自动控制的方法。 优选地,通过测量控制刮板的液压致动器内的液压来获得第一力。 然后从第一力减去目标力值,以获得转换为位置指令信号的力误差信号。 位置指令信号优选地用于自动调整由刮刀执行的切割深度,而不会引起操作者的注意。 此外,可以通过限制切割刀片的垂直调节速度信号来进一步控制刮刀,以防止切割刀片通过提供上限约束极限和下限制限制来挖掘深度或破裂穿过地面,该约束限制可以根据 牵引力和作用在刮刀上的材料状态。
    • 9. 发明授权
    • System for controlling implement position
    • 控制实施位置的系统
    • US07725234B2
    • 2010-05-25
    • US11495484
    • 2006-07-31
    • Andrew G. Shull
    • Andrew G. Shull
    • G06F7/70G06F19/00G06G7/00G06G7/76
    • A01B63/1117
    • A system for controlling implement position including a method for controlling movement of an implement is disclosed. The method includes determining a first parameter configured to affect control of the implement with respect to a first timing. The method also includes determining a second parameter configured to affect control of the implement with respect to a second timing. The second timing is shorter than the first timing. The method also includes selectively establishing a third parameter as a function of the first and second parameters when the second parameter is greater than a predetermined value. The method further includes controlling a position of the implement as a function of the third parameter.
    • 公开了一种用于控制工具位置的系统,包括用于控制工具的移动的方法。 该方法包括确定第一参数,该第一参数被配置为相对于第一定时影响对实施方式的控制。 该方法还包括确定第二参数,第二参数被配置为相对于第二定时影响对实施方式的控制。 第二定时比第一定时短。 该方法还包括当第二参数大于预定值时,根据第一参数和第二参数有选择地建立第三参数。 该方法还包括根据第三参数控制工具的位置。
    • 10. 发明授权
    • System and method for automatic bucket loading using force vectors
    • 使用力矢量自动铲斗装载的系统和方法
    • US5974352A
    • 1999-10-26
    • US779193
    • 1997-01-06
    • Andrew G. Shull
    • Andrew G. Shull
    • E02F9/22E02F3/43F15B11/20G06F7/70
    • E02F3/432
    • An electrohydraulic control system for loading a bucket of a work machine includes sensors for producing signals representative of bucket position and forces. A command signal generator receives the signals and calculates a target angle on the basis of accumulated energy, and a force vector angle representing actual forces produced at an reference point on the bucket. Lift and tilt command signals are modified in response to differences between the target and actual angles, and used to controllably extend the lift cylinder to raise the bucket through the material, while racking the bucket at rates calculated to efficiently capture the material.
    • 用于装载作业机器的铲斗的电动液压控制系统包括用于产生代表铲斗位置和力的信号的传感器。 命令信号发生器基于累积能量接收信号并计算目标角度,以及表示在铲斗上的基准点产生的实际力的力矢量角。 提升和倾斜命令信号根据目标角度和实际角度之间的差异进行修改,并用于可控地延伸提升气缸,以通过材料将铲斗提升到一起,同时以有效捕获材料的速度铲斗铲斗。