公开(公告)号：US20110029206A1

公开(公告)日：2011-02-03

申请号：US12817342

申请日：2010-06-17

申请人： Jong Min KANG ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Ji Yun Kim ,  Dong Uk Choi ,  Jung Sun Jo ,  Sung Kon Kim ,  Bong Soo Yoo

发明人： Jong Min KANG ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Ji Yun Kim ,  Dong Uk Choi ,  Jung Sun Jo ,  Sung Kon Kim ,  Bong Soo Yoo

IPC分类号： E02F9/20 ,  H02P31/00

CPC分类号： E02F9/123 ,  E02F9/2075 ,  E02F9/2095 ,  H02P2207/05

摘要： 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.

摘要翻译： 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。

公开(公告)号：US08738239B2

公开(公告)日：2014-05-27

申请号：US12817342

申请日：2010-06-17

申请人： Jong Min Kang ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Ji Yun Kim ,  Dong Uk Choi ,  Jung Sun Jo ,  Sung Kon Kim ,  Bong Soo Yoo

发明人： Jong Min Kang ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Ji Yun Kim ,  Dong Uk Choi ,  Jung Sun Jo ,  Sung Kon Kim ,  Bong Soo Yoo

IPC分类号： G06F7/70

CPC分类号： E02F9/123 ,  E02F9/2075 ,  E02F9/2095 ,  H02P2207/05

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20110029175A1

公开(公告)日：2011-02-03

申请号：US12821574

申请日：2010-06-23

申请人： Jong Min Kang ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Jae Hong Kim ,  Eui Chul Kim ,  Jung Sun Jo ,  Sung Kon Kim ,  Sung Wan Koo

发明人： Jong Min Kang ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Jae Hong Kim ,  Eui Chul Kim ,  Jung Sun Jo ,  Sung Kon Kim ,  Sung Wan Koo

IPC分类号： G06F19/00

CPC分类号： B60W20/50 ,  B60K6/485 ,  B60L2240/441 ,  B60L2240/486 ,  B60W10/06 ,  B60W10/08 ,  B60W10/30 ,  B60W20/00 ,  B60W2510/0638 ,  B60W2510/1025 ,  B60W2510/244 ,  B60W2710/0666 ,  E02F9/2075 ,  E02F9/2246 ,  Y02T10/6226 ,  Y02T10/6286

摘要： A control system and method for a hybrid construction machine is provided. The control system for a hybrid construction machine includes an engine, a hydraulic pump driven by the engine to drive a hydraulic actuator, a motor-generator driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device charged with electric energy generated by the motor-generator and supplying the electric energy for motor operation of the motor-generator, a mode detector detecting a working mode of the engine, a torque detector detecting an output torque of the hydraulic pump, a memory storing upper and lower baselines of an engine torque set per working mode of the engine, and a hybrid controller comparing the detected output torque of the hydraulic pump with the upper and lower baselines set according to the detected working mode, controlling power generation of the motor-generator so that the engine is loaded as much as much as a short value if the output torque is less than the lower baseline, and controlling the motor operation of the motor-generator so that the engine output is supplemented as much as an excessive value if the output torque exceeds the upper baseline.

摘要翻译： 提供了一种混合式施工机械的控制系统和方法。 混合动力施工机械的控制系统包括发动机，由发动机驱动的驱动液压致动器的液压泵，由发动机驱动发电的电动发电机，并驱动作为补充发动机的电动机的液压泵; 充电电动发电机产生的电能并为电动发电机的电动机运行提供电能的蓄能装置，检测发动机的工作模式的模式检测器，检测液压泵的输出转矩的转矩检测器， 存储器，其存储发动机的每个工作模式的发动机扭矩设定的上下基线;以及混合控制器，其将检测到的液压泵的输出转矩与根据检测到的工作模式组合的上下基准进行比较， 电动发电机，如果输出转矩小于较低的基线，则发动机的负荷可以达到短的值，并且连续 滚动电动发电机的电动机运行，使得如果输出转矩超过上限，则发动机输出的补偿量可以过大。

公开(公告)号：US08606442B2

公开(公告)日：2013-12-10

申请号：US12821574

申请日：2010-06-23

申请人： Jong Min Kang ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Jae Hong Kim ,  Eui Chul Kim ,  Jung Sun Jo ,  Sung Kon Kim ,  Sung Wan Koo

发明人： Jong Min Kang ,  Ahn Kyun Jung ,  Chun Seung Lee ,  Jae Hong Kim ,  Eui Chul Kim ,  Jung Sun Jo ,  Sung Kon Kim ,  Sung Wan Koo

IPC分类号： B60W20/00 ,  B60W10/08 ,  B60K6/48

CPC分类号： B60W20/50 ,  B60K6/485 ,  B60L2240/441 ,  B60L2240/486 ,  B60W10/06 ,  B60W10/08 ,  B60W10/30 ,  B60W20/00 ,  B60W2510/0638 ,  B60W2510/1025 ,  B60W2510/244 ,  B60W2710/0666 ,  E02F9/2075 ,  E02F9/2246 ,  Y02T10/6226 ,  Y02T10/6286

摘要： A control system and method for a hybrid construction machine is provided. The control system for a hybrid construction machine includes an engine, a hydraulic pump driven by the engine to drive a hydraulic actuator, a motor-generator driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device charged with electric energy generated by the motor-generator and supplying the electric energy for motor operation of the motor-generator, a mode detector detecting a working mode of the engine, a torque detector detecting an output torque of the hydraulic pump, a memory storing upper and lower baselines of an engine torque set per working mode of the engine, and a hybrid controller comparing the detected output torque of the hydraulic pump with the upper and lower baselines set according to the detected working mode, controlling power generation of the motor-generator so that the engine is loaded as much as much as a short value if the output torque is less than the lower baseline, and controlling the motor operation of the motor-generator so that the engine output is supplemented as much as an excessive value if the output torque exceeds the upper baseline.

摘要翻译： 提供了一种混合式施工机械的控制系统和方法。 混合动力施工机械的控制系统包括发动机，由发动机驱动的驱动液压致动器的液压泵，由发动机驱动发电的电动发电机，并驱动作为补充发动机的电动机的液压泵; 充电电动发电机产生的电能并为电动发电机的电动机运行提供电能的蓄能装置，检测发动机的工作模式的模式检测器，检测液压泵的输出转矩的转矩检测器， 存储器，其存储发动机的每个工作模式的发动机扭矩设定的上下基线;以及混合控制器，其将检测到的液压泵的输出转矩与根据检测到的工作模式组合的上下基准进行比较， 电动发电机，如果输出转矩小于较低的基线，则发动机的负荷可以达到短的值，并且连续 滚动电动发电机的电动机运行，使得如果输出转矩超过上限，则发动机输出的补偿量可以过大。

公开(公告)号：US08567549B2

公开(公告)日：2013-10-29

申请号：US12819495

申请日：2010-06-21

申请人： Jong Min Kang ,  Ahn Kyun Jung ,  Jae Hong Kim ,  Chun Han Lee ,  Jung Sun Jo

发明人： Jong Min Kang ,  Ahn Kyun Jung ,  Jae Hong Kim ,  Chun Han Lee ,  Jung Sun Jo

IPC分类号： B60K17/356

CPC分类号： B60W20/50 ,  B60K6/48 ,  B60L2240/423 ,  B60W10/08 ,  B60W10/30 ,  B60W20/00 ,  B60W2510/0661 ,  B60W2710/0661 ,  B60W2710/083 ,  E02F9/2075 ,  E02F9/2246 ,  F15B7/08 ,  F16H2059/6884 ,  Y02T10/6221 ,  Y02T10/642 ,  Y10T477/23

摘要： A system and method for controlling engine revolutions for a hybrid construction machine is provided. The system for controlling engine revolutions for a hybrid construction machine, including an engine, a hydraulic pump which is driven by the engine to drive a hydraulic actuator with discharged hydraulic fluid, a motor-generator which is driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device which is charged with electric energy generated by the motor-generator and which supplies the electric energy for motor operation of the motor-generator, a torque detection means for detecting an output torque of the hydraulic pump that is required to drive the hydraulic actuator, and a hybrid control means for controlling the motor operation of the motor-generator so as to supplement the engine output if the change of the output torque of the hydraulic pump detected by the torque detection means exceeds a predetermined level and it is determined that an engine revolution drop will occur.

摘要翻译： 提供了一种用于控制混合动力施工机械的发动机转速的系统和方法。 用于控制混合动力建筑机械的发动机转速的系统，包括发动机，由发动机驱动以驱动具有排出的液压流体的液压致动器的液压泵，由发动机驱动以发电的电动发电机，以及 驱动液压泵作为补充发动机的电动机;蓄电装置，其对由电动发电机产生的电力进行充电，为电动发电机的电动机运转提供电能;转矩检测装置，用于检测输出 用于驱动液压致动器所需的液压泵的扭矩;以及混合控制装置，用于控制电动发电机的电动机运行，以便如果由所述液压泵检测到的液压泵的输出转矩的改变而补充发动机输出 扭矩检测装置超过预定水平，并且确定将发生发动机转速下降。