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    • 1. 发明专利
    • Lift system implementing feedfoward control based on velocity
    • 基于速度的提升系统实现进料控制
    • JP2013002634A
    • 2013-01-07
    • JP2012135127
    • 2012-06-14
    • Caterpillar Incキャタピラー インコーポレイテッドCaterpillar Incorporated
    • SHATTERS AARON RBUDDE STEVEN CREEDY JOHN TSTONE ROBERT E
    • F15B11/04E02F3/43E02F9/22F15B11/16
    • E02F3/432E02F3/436E02F9/2296F15B21/087F15B2211/30575F15B2211/6336F15B2211/6346
    • PROBLEM TO BE SOLVED: To provide a lift system implementing feedfoward control based on velocity.SOLUTION: There is disclosed a hydraulic system for lifting a working tool of a movable machine. The hydraulic system may include a pump, lift actuator, lift valve device, and a lift sensor generating a first signal indicative of an actual lift velocity. Further the hydraulic system may include a tilt actuator, tilt valve device, and at least a single operator interface device for operating to generate a second signal indicative of a desired lift velocity and a third signal indicative of a desired tilt angle. Furthermore, the hydraulic system may include a controller that commands the lift valve device to measure pressurized fluid from the second signal, commands the tilt valve device to measure the pressurized fluid from the third signal, and commands the tilt valve device to measure the pressurized fluid selectively from the first and second signals and to maintain a desired tilt angle of the working tool during lifting.
    • 要解决的问题:提供一种基于速度实现饲料控制的升降机系统。 解决方案:公开了一种用于提升可移动机器的加工工具的液压系统。 液压系统可以包括泵,提升致动器,提升阀装置和产生指示实际升力速度的第一信号的升力传感器。 此外,液压系统可以包括倾斜致动器,倾斜阀装置和用于操作以产生指示期望提升速度的第二信号和指示期望倾斜角的第三信号的至少一个操作者界面装置。 此外,液压系统可以包括控制器,其命令提升阀装置从第二信号测量加压流体,命令倾斜阀装置从第三信号测量加压流体,并且命令倾斜阀装置测量加压流体 选择性地从第一和第二信号,并且在提升期间保持工作工具的期望的倾斜角度。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Autonomous mobile conveyor system
    • AU2011250699A1
    • 2012-06-28
    • AU2011250699
    • 2011-11-10
    • CATERPILLAR INC
    • SHATTERS AARON R
    • B65G43/00B65G41/00E21F13/08
    • Abstract AUTONOMOUS MOBILE CONVEYOR SYSTEM 5 A conveyor system for a use with mining machine is provided. The conveyor system may have a plurality of conveyor segments operatively connected end-to-end, a first of the plurality of conveyor segments also being configured to connect to the mining machine. The conveyor system may also have a plurality of mobile base supports each being configured to support one of 10 the plurality of conveyor segments, and at least one controller for communication with the mining machine and the plurality of mobile base supports. The at least one controller may be configured to determine a desired location of the mining machine different from a current location of the mining machine, and to determine a required trajectory of the plurality of conveyor segments based on 15 the desired location of the mining machine. The at least one controller may also be configured to communicate the required trajectory to each of the plurality of mobile base supports to move the mobile base supports into alignment with the required trajectory.