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    • 4. 发明公开
    • 다수의 엔진 간의 부하 분담 관리
    • 管理多个引擎之间的负载共享
    • KR20180031767A
    • 2018-03-28
    • KR20187005515
    • 2016-07-18
    • CATERPILLAR INC
    • ZHANG YANCHAICHANG INSUCHASE JAMESJANARDHAN VIJAYCONVERSE PERRY D
    • B63H21/21B63H21/12F02D25/00
    • F02D41/0205F02D25/00F02D29/06F02D41/1406F02D41/2406F02D2200/0625G01L3/24
    • 복수의전원(106) 간의부하분담을관리하는방법및 시스템(100)이개시된다. 소정의실시형태에따르면, 상기방법은복수의전원(106)으로부터적어도하나의전력소비장치로유도될총 전력출력을결정하는단계를포함한다. 상기방법은복수의전원(106) 각각과연관된제동연료소비율(BSFC) 곡선(110)을검색하는단계를또한포함한다. 상기방법은각각의전원(106)과연관된동작제약조건에기초하여복수의전원(106) 각각에대한동작우선순위를결정하는단계를더 포함한다. 상기방법은적어도총 전력출력, BSFC 곡선(110), 및동작우선순위에기초하여복수의전원(106) 각각에대한부하분담량을결정하는단계를더 포함한다.
    • 示出了用于管理多个电源(106)之间的负载分配的方法和系统(100)。 根据某些实施方案,所述方法包括确定所述总功率输出的步骤从多个电源106的被引导到至少一个电功率消耗装置。 该方法还包括获取与所述多个电源106的相关联的制动燃料消耗率(BSFC)曲线110的步骤。 该方法还包括确定每个基于每个电源106确实管操作约束的多个电源106的操作优先级的步骤。 该方法还包括至少基于所述总功率输出,BSFC曲线110,和操作优先级来确定用于多个电源106中的负载份额量的步骤。
    • 7. 发明专利
    • Active switching frequency modulation
    • 主动切换频率调制
    • JP2013074793A
    • 2013-04-22
    • JP2012212417
    • 2012-09-26
    • Caterpillar Incキャタピラー インコーポレイテッドCaterpillar Incorporated
    • BRETT MICHAEL NEE
    • H02M3/00
    • H02J7/02H02J5/00H02M3/156
    • PROBLEM TO BE SOLVED: To provide active switching frequency modulation.SOLUTION: Disclosed are a method of controlling a variable frequency power converter 112 disposed on a vehicle, and a machine comprising the variable frequency power converter 112. The method may comprise providing a power controller, the variable frequency power converter 112 and an electrical energy storage repository 110 which are disposed on the vehicle. The method may further comprise receiving, by the power controller 114, a desired power reference value, and adjusting a switching frequency of the variable frequency power converter 112 from a first switching frequency to a second switching frequency on the basis of the desired reference value.
    • 要解决的问题:提供有源开关频率调制。 解决方案:公开了一种控制设置在车辆上的可变频率功率转换器112的方法,以及包括可变频率功率转换器112的机器。该方法可以包括提供功率控制器,可变频率功率转换器112和 电力储存库110设置在车辆上。 该方法还可以包括由功率控制器114接收期望功率参考值,并且基于期望的参考值将可变频率功率转换器112的开关频率从第一开关频率调整到第二开关频率。 版权所有(C)2013,JPO&INPIT
    • 8. 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
    • 9. 发明专利
    • System implementing parallel lift for specified range of angles
    • 系统实现角度指定的并行提升
    • JP2013002279A
    • 2013-01-07
    • JP2012136125
    • 2012-06-15
    • Caterpillar Incキャタピラー インコーポレイテッドCaterpillar Incorporated
    • AARON R SHATTERSSTEVEN C BUDDEJOHN T REEDYROBERT E STONE
    • E02F3/43E02F9/22F15B11/028F15B11/16
    • E02F3/432E02F3/436E02F9/2296F15B21/087F15B2211/30575F15B2211/6336F15B2211/6346
    • PROBLEM TO BE SOLVED: To provide a system implementing parallel lift for a specified range of angles.SOLUTION: A hydraulic system is disclosed. The hydraulic system may have a pump, a lift actuator, a lift valve arrangement, a tilt actuator, a tilt valve arrangement, and a tilt angle sensor configured to generate a first signal. The hydraulic system may further have at least one operator interface device movable to generate a second signal indicative of a desired lift velocity and a third signal indicative of a desired tilt velocity, and a controller. The controller may be configured to command the lift valve arrangement to measure pressurized fluid based on the second signal, command the tilt valve arrangement to measure pressurized fluid based on the third signal and, when the first signal indicates that the actual tilt angle has entered a specified range of tilt angles during lifting, command the tilt valve arrangement to measure pressurized fluid based on the second signal as the actual tilt angle remains within the specified range.
    • 要解决的问题:提供一种在特定角度范围内实现平行电梯的系统。 解决方案:公开了一种液压系统。 液压系统可以具有泵,升降机执行器,升降阀装置,倾斜致动器,倾斜阀装置和配置成产生第一信号的倾斜角传感器。 液压系统还可以具有至少一个操作者界面装置,其可移动以产生指示期望升力速度的第二信号和指示期望倾斜速度的第三信号,以及控制器。 控制器可以被配置为命令提升阀装置基于第二信号来测量加压流体,命令倾斜阀装置基于第三信号测量加压流体,并且当第一信号指示实际倾斜角已经进入 在提升期间指定的倾斜角范围,指示倾斜阀装置基于第二信号测量加压流体,因为实际倾斜角度保持在指定范围内。 版权所有(C)2013,JPO&INPIT