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    • 5. 发明授权
    • Construction machine having power generation function
    • 施工机具有发电功能
    • US08779608B2
    • 2014-07-15
    • US12945963
    • 2010-11-15
    • Ji Yun Kim
    • Ji Yun Kim
    • H02K35/00
    • E02F9/123B66C23/84E02F9/2091H02K7/1807H02K21/16
    • A swing system of a construction machine having a power generation function is provided. The construction machine includes a lower driving structure capable of traveling, an upper swing structure mounted on an upper portion of the lower driving structure and provided with a working device, a swing ring gear fixed to the lower driving structure, a swing ring gear cover fixed to the upper swing structure and engaged with the swing ring gear to perform a rotational operation, a permanent magnet installed on one of the swing ring gear and the swing ring gear cover, and an induction coil installed on the other of the swing ring gear and the swing ring gear cover. Induction current is generated in the induction coil in accordance with the rotational operation of the swing ring gear cover.
    • 提供具有发电功能的施工机械的摆动系统。 施工机械包括能够行进的下部驱动结构,安装在下部驱动结构的上部并具有工作装置的上部摆动结构,固定到下部驱动结构的摆动环形齿轮,固定在下部驱动结构的摆动齿圈罩 与摆动环形齿轮接合以进行旋转操作,安装在所述回转齿圈和所述回转齿圈盖中的一个上的永磁体以及安装在所述回转齿圈中的另一个上的感应线圈和 摆环齿轮罩。 根据摆动齿圈罩的旋转操作,感应线圈产生感应电流。
    • 6. 发明申请
    • SWING CONTROL SYSTEM AND METHOD FOR CONSTRUCTION MACHINE USING ELECTRIC MOTOR
    • 使用电动机的施工机械的摆动控制系统和方法
    • US20110029206A1
    • 2011-02-03
    • US12817342
    • 2010-06-17
    • Jong Min KANGAhn Kyun JungChun Seung LeeJi Yun KimDong Uk ChoiJung Sun JoSung Kon KimBong Soo Yoo
    • Jong Min KANGAhn Kyun JungChun Seung LeeJi Yun KimDong Uk ChoiJung Sun JoSung Kon KimBong Soo Yoo
    • E02F9/20H02P31/00
    • E02F9/123E02F9/2075E02F9/2095H02P2207/05
    • A swing control system and method for a construction machine using an electric motor is provided. The swing control system includes a swing electric motor swinging an upper swing structure and a swing control unit. The swing control unit includes a reference speed calculation means for calculating a reference swing speed and a maximum acceleration according to a manipulation signal of a control lever for a swing manipulation; a swing speed determination means for calculating a first speed change amount from a difference between the reference swing speed and an actual swing speed by the electric motor that is currently fed back, calculating a second speed change amount for a sampling time from the maximum acceleration, and determining a swing speed according to the manipulation signal by comparing the first speed change amount and the second speed change amount and adding a smaller amount between the first speed change amount and the second speed change amount obtained as the result of comparison to the actual swing speed currently fed back; and an output torque control means for controlling an output torque of the electric motor by generating a control signal for the determined swing speed.
    • 提供了一种使用电动机的施工机械的摆动控制系统和方法。 摆动控制系统包括摆动上摆动结构和摆动控制单元的摆动电动机。 摆动控制单元包括:基准速度计算装置,用于根据用于摆动操作的控制杆的操作信号计算参考摆动速度和最大加速度; 摆动速度确定装置,用于通过当前反馈的电动机从参考摆动速度和实际摆动速度之间的差值计算第一速度变化量,从最大加速度计算采样时间的第二速度变化量, 以及通过比较所述第一速度变化量和所述第二速度变化量来确定根据所述操作信号的摆动速度,并且在作为比较结果而获得的所述第一变速量与所述第二变速量之间加上较小的量与所述实际摆动 速度目前反馈; 以及输出转矩控制装置,用于通过产生用于确定的摆动速度的控制信号来控制电动机的输出转矩。
    • 7. 发明授权
    • Swing control system and method for construction machine using electric motor
    • 采用电动机的施工机械摆动控制系统及方法
    • US08738239B2
    • 2014-05-27
    • US12817342
    • 2010-06-17
    • Jong Min KangAhn Kyun JungChun Seung LeeJi Yun KimDong Uk ChoiJung Sun JoSung Kon KimBong Soo Yoo
    • Jong Min KangAhn Kyun JungChun Seung LeeJi Yun KimDong Uk ChoiJung Sun JoSung Kon KimBong Soo Yoo
    • G06F7/70
    • E02F9/123E02F9/2075E02F9/2095H02P2207/05
    • A swing control system and method for a construction machine using an electric motor is provided. The swing control system includes a swing electric motor swinging an upper swing structure and a swing control unit. The swing control unit includes a reference speed calculation means for calculating a reference swing speed and a maximum acceleration according to a manipulation signal of a control lever for a swing manipulation; a swing speed determination means for calculating a first speed change amount from a difference between the reference swing speed and an actual swing speed by the electric motor that is currently fed back, calculating a second speed change amount for a sampling time from the maximum acceleration, and determining a swing speed according to the manipulation signal by comparing the first speed change amount and the second speed change amount and adding a smaller amount between the first speed change amount and the second speed change amount obtained as the result of comparison to the actual swing speed currently fed back; and an output torque control means for controlling an output torque of the electric motor by generating a control signal for the determined swing speed.
    • 提供了一种使用电动机的施工机械的摆动控制系统和方法。 摆动控制系统包括摆动上摆动结构和摆动控制单元的摆动电动机。 摆动控制单元包括:基准速度计算装置,用于根据用于摆动操作的控制杆的操作信号计算参考摆动速度和最大加速度; 摆动速度确定装置,用于通过当前反馈的电动机从参考摆动速度和实际摆动速度之间的差值计算第一速度变化量,从最大加速度计算采样时间的第二速度变化量, 以及通过比较所述第一速度变化量和所述第二速度变化量来确定根据所述操作信号的摆动速度,并且在作为比较结果而获得的所述第一变速量与所述第二变速量之间加上较小的量与所述实际摆动 速度目前反馈; 以及输出转矩控制装置,用于通过产生用于确定的摆动速度的控制信号来控制电动机的输出转矩。