HYBRID ELECTRIC SHOVEL
    1.
    发明申请
    HYBRID ELECTRIC SHOVEL 审中-公开
    混合电动鞋

    公开(公告)号:WO2012102713A1

    公开(公告)日:2012-08-02

    申请号:PCT/US2011/022544

    申请日:2011-01-26

    Inventor: EMERSON, Mark

    CPC classification number: H02P4/00

    Abstract: A hybrid electric shovel. The hybrid electric shovel includes a main transformer, a first and second converter, a first and second DC motor, a first and second active front end, a first and second motion inverter, and a first and second AC motor. The first converter is coupled to a first secondary winding, and the second converter is coupled to a second secondary winding. The first DC motor is coupled to the first converter, and the second DC motor is coupled to the second converter. The first active front end is coupled to the first secondary winding and to the first motion inverter. The second active front end is coupled to the second secondary winding and to the second motion inverter. The first AC motor is coupled to the first motion inverter, and the second AC motor is coupled to the second motion inverter.

    Abstract translation: 混合电铲。 混合电铲包括主变压器,第一和第二转换器,第一和第二DC电动机,第一和第二有源前端,第一和第二运动逆变器以及第一和第二AC电动机。 第一转换器耦合到第一次级绕组,并且第二转换器耦合到第二次级绕组。 第一DC电动机耦合到第一转换器,并且第二DC电动机耦合到第二转换器。 第一有源前端耦合到第一次级绕组和第一运动逆变器。 第二有源前端耦合到第二次级绕组和第二运动逆变器。 第一AC电动机耦合到第一运动逆变器,并且第二AC电动机耦合到第二运动逆变器。

    AUTOMATED CONTROL OF DIPPER SWING FOR A SHOVEL
    2.
    发明申请
    AUTOMATED CONTROL OF DIPPER SWING FOR A SHOVEL 审中-公开
    自动控制用于鞋的DIPPER SWING

    公开(公告)号:WO2013138801A1

    公开(公告)日:2013-09-19

    申请号:PCT/US2013/032769

    申请日:2013-03-18

    Abstract: Systems and methods for compensating dipper swing control. One method includes, with at least one processor, determining a direction of compensation opposite a current swing direction of the dipper and applying the maximum available swing torque in the direction of compensation when an acceleration of the dipper is greater than a predetermined acceleration value. The method can also include determining a current state of the shovel and performing the above steps when the current state of the shovel is a swing-to-truck state or a return-to-tuck state. When the current state of the shovel is a dig-state, the method can include limiting the maximum available swing torque and allowing, with the at least one processor, swing torque to ramp up to the maximum available swing torque over a predetermined period of time when dipper is retracted to a predetermined crowd position.

    Abstract translation: 用于补偿铲斗摆动控制的系统和方法。 一种方法包括:利用至少一个处理器,确定与铲斗的当前摆动方向相反的补偿方向,并且当铲斗的加速度大于预定加速度值时,在补偿方向上施加最大可用摆动扭矩。 该方法还可以包括确定铲斗的当前状态并且当铲斗的当前状态是摆动到卡车状态或返回折叠状态时执行上述步骤。 当铲斗的当前状态是挖掘状态时,该方法可以包括限制最大可用摆动扭矩,并且允许与至少一个处理器在一段预定时间段内摆动扭矩达到最大可用摆动转矩 当铲斗缩回到预定的人群位置时。

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