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    • 5. 发明授权
    • Servomotor controller
    • 伺服电机控制器
    • US07642740B2
    • 2010-01-05
    • US11910708
    • 2005-04-08
    • Tomonori Abe
    • Tomonori Abe
    • G05B11/32
    • H02P23/0077G05B11/28
    • A servomotor controller by which a load on a machine device can be reduced, and control capability can be stabilized as well as the resistance property for a temporary blackout or a temporary voltage drop can be more secured in accordance with driving conditions of the machine device and a motor load. The servomotor controller includes: a bus voltage detector for measuring a bus voltage, and a current detector for detecting current passing through a servomotor. A controller 9 switches, depending on the bus voltage, a position control operation with a velocity control operation, to decrease the current supplied to the servomotor in a case where the bus voltage is lower than a first predefined reference voltage.
    • 可以根据机器装置的驱动条件更加确保伺服电机控制器,通过该伺服电动机控制器可以减少机器装置上的负载,并且可以稳定控制能力,并且可以更加确保临时停电或临时电压降的电阻特性, 电机负载。 伺服电机控制器包括:用于测量总线电压的总线电压检测器和用于检测通过伺服电动机的电流的电流检测器。 在总线电压低于第一预定参考电压的情况下,控制器9根据总线电压切换具有速度控制操作的位置控制操作,以减小提供给伺服电动机的电流。
    • 9. 发明申请
    • SERVOMOTOR CONTROLLER
    • 伺服电机控制器
    • US20090079379A1
    • 2009-03-26
    • US11910708
    • 2005-04-08
    • Tomonori Abe
    • Tomonori Abe
    • G05B19/19
    • H02P23/0077G05B11/28
    • It is an object to obtain a servomotor controller by which a load on a machine device can be reduced, and control capability can be stabilized as well as the resistance property for a temporary blackout or a temporary voltage drop can be more secured in accordance with driving conditions of the machine device and a motor load.The servomotor controller including: a bus voltage detector 4 for measuring a bus voltage, to output a bus voltage signal; a current detector 10 detecting means for detecting current passing through a servomotor 5, to output a current value signal; a controller 9 for switching, depending on the bus voltage from the bus voltage signal, a position control operation with a velocity control operation, to output a control signal, in order to decrease the current supplied to the servomotor 5 in a case where the bus voltage is lower than a first predefined reference voltage, by referring a shaft position signal of the motor, which is outputted from an encoder 5b, a position command, the bus voltage signal, and the current value signal; a drive controller 6 for outputting a drive voltage based on the control signal; and a motor drive circuit 7 for outputting predefined current to the servomotor 5 based on the drive voltage.
    • 本发明的目的是获得一种伺服电机控制器,通过该伺服电机控制器可以减少机器装置上的负载,并且可以稳定控制能力,并且可以根据驾驶更加确保临时停电或临时电压降的电阻特性 机器装置的条件和电机负载。 伺服电机控制器包括:用于测量总线电压的总线电压检测器4,以输出总线电压信号; 电流检测器10检测装置,用于检测通过伺服电动机5的电流,以输出电流值信号; 控制器9根据总线电压信号的总线电压,通过速度控制操作进行位置控制操作,以输出控制信号,以便在总线(8)的情况下减小提供给伺服电动机5的电流 通过参考从编码器5b输出的电机的轴位置信号,位置指令,总线电压信号和电流值信号,电压低于第一预定参考电压; 用于基于控制信号输出驱动电压的驱动控制器6; 以及用于基于驱动电压将预定电流输出到伺服电动机5的电动机驱动电路7。