公开(公告)号：US20140152204A1

公开(公告)日：2014-06-05

申请号：US14089111

申请日：2013-11-25

申请人： FANUC CORPORATION

发明人： Naoto Sonoda ,  Yukio Toyozawa

IPC分类号： H02P21/00

CPC分类号： H02P21/32 ,  H02P21/34 ,  H02P2203/03 ,  H02P2203/11

摘要： A magnetic pole position detector includes, a voltage command unit that generates high-frequency voltage command in a dq coordinate system, a three-phase transformation unit that transforms the high-frequency voltage command in the dq coordinate system to high-frequency voltage command in a three-phase coordinate system by using an estimated magnetic pole position, a current detection unit that detects three-phase current fed from a power converter for generating drive power, a dq transformation unit that transforms the detected three-phase current to current in the dq coordinate system by using the estimated magnetic pole position, an estimated magnetic pole position calculation unit that calculates a new estimated magnetic pole position to be used in three-phase dq transformations, and a magnetic pole position confirmation unit that confirms that, when converging on a certain position, the estimated magnetic pole position is the magnetic pole position at the time when the synchronous motor is started.

摘要翻译： 磁极位置检测器包括：在dq坐标系中生成高频电压指令的电压指令单元，将dq坐标系中的高频电压指令变换为高频电压指令的三相变换单元， 通过使用估计磁极位置的三相坐标系，检测从用于产生驱动功率的功率转换器馈送的三相电流的电流检测单元，将检测到的三相电流变换为电流的电流的dq变换单元 dq坐标系，估计磁极位置计算单元，其计算用于三相dq变换的新的推定磁极位置;以及磁极位置确认单元，其确认在会聚时 一定位置时，估计磁极位置是同步时磁极位置 电机启动。

公开(公告)号：US10166642B2

公开(公告)日：2019-01-01

申请号：US15711466

申请日：2017-09-21

申请人： FANUC CORPORATION

发明人： Naoto Sonoda ,  Yukio Toyozawa

IPC分类号： H02P7/00 ,  B23Q11/00 ,  F16F15/00 ,  F16F15/02 ,  G05B19/00

摘要： An apparatus or system comprises: a damper side linear motor; a drive side linear motor; a first detection unit that detects a first position that is a position of a movable portion of the drive side linear motor in relation to a machine base; a second detection unit that detects a second position that is a position of a movable portion of the damper side linear motor in relation to the machine base; a third detection unit that detects a third position that is a position of the movable portion of the drive side linear motor in relation to the movable portion of the damper side linear motor; a drive side control unit that controls the drive side linear motor, based on the first position and the third position; and a damper side control unit that controls the damper side linear motor, based on the second position.

公开(公告)号：US09720225B2

公开(公告)日：2017-08-01

申请号：US14840226

申请日：2015-08-31

申请人： FANUC CORPORATION

发明人： Naoto Sonoda ,  Yukio Toyozawa

IPC分类号： G02B26/08 ,  G02B26/10 ,  G02B26/12 ,  G03F7/00

CPC分类号： G02B26/105 ,  G02B26/0816 ,  G03F7/0037

摘要： A processing system including a laser beam source which generates a laser beam, a galvano scanner which includes a mirror for reflecting the laser beam and a servo motor for rotating the mirror and which emits the laser beam to a workpiece, and an operation control device which controls the operation of the servo motor in accordance with a sinusoidal drive command.

公开(公告)号：US20160070097A1

公开(公告)日：2016-03-10

申请号：US14840226

申请日：2015-08-31

申请人： FANUC CORPORATION

发明人： Naoto Sonoda ,  Yukio Toyozawa

IPC分类号： G02B26/10 ,  G02B26/08

CPC分类号： G02B26/105 ,  G02B26/0816 ,  G03F7/0037

摘要： A processing system comprising a laser beam source which generates a laser beam, a galvano scanner which comprises a mirror for reflecting the laser beam and a servo motor for rotating the mirror and which emits the laser beam to a workpiece, and an operation control device which controls the operation of the servo motor in accordance with a sinusoidal drive command.

摘要翻译： 一种处理系统，包括产生激光束的激光束源，包括用于反射激光束的反射镜和用于旋转反射镜并将激光束发射到工件的伺服电动机的电流计扫描器，以及操作控制装置， 根据正弦驱动命令控制伺服电动机的操作。

公开(公告)号：US11003168B2

公开(公告)日：2021-05-11

申请号：US16588038

申请日：2019-09-30

申请人： Fanuc Corporation

发明人： Shoutarou Hashimoto ,  Yukio Toyozawa

IPC分类号： G05B11/32 ,  G05B19/414 ,  B23F9/02 ,  B23F23/00 ,  B23F9/10

摘要： Provided is a controller for controlling a gear cutting machine having a plurality of axes, the controller including an axis information storage unit configured to store data related to control of the plurality of axes during machining, and a disturbance component identification unit configured to identify a component of disturbance with respect to the plurality of axes using the data stored by the axis information storage unit and measurement results of machining accuracy of a workpiece machined by the cutting machine.

公开(公告)号：US09331618B2

公开(公告)日：2016-05-03

申请号：US14089111

申请日：2013-11-25

申请人： FANUC CORPORATION

发明人： Naoto Sonoda ,  Yukio Toyozawa

IPC分类号： H02P21/00 ,  H02P6/06 ,  H02P6/00

CPC分类号： H02P21/32 ,  H02P21/34 ,  H02P2203/03 ,  H02P2203/11

摘要： A magnetic pole position detector includes, a voltage command unit that generates high-frequency voltage command in a dq coordinate system, a three-phase transformation unit that transforms the high-frequency voltage command in the dq coordinate system to high-frequency voltage command in a three-phase coordinate system by using an estimated magnetic pole position, a current detection unit that detects three-phase current fed from a power converter for generating drive power, a dq transformation unit that transforms the detected three-phase current to current in the dq coordinate system by using the estimated magnetic pole position, an estimated magnetic pole position calculation unit that calculates a new estimated magnetic pole position to be used in three-phase dq transformations, and a magnetic pole position confirmation unit that confirms that, when converging on a certain position, the estimated magnetic pole position is the magnetic pole position at the time when the synchronous motor is started.

摘要翻译： 磁极位置检测器包括：在dq坐标系中生成高频电压指令的电压指令单元，将dq坐标系中的高频电压指令变换为高频电压指令的三相变换单元， 通过使用估计磁极位置的三相坐标系，检测从用于产生驱动功率的功率转换器馈送的三相电流的电流检测单元，将检测到的三相电流变换为电流的电流的dq变换单元 dq坐标系，估计磁极位置计算单元，其计算用于三相dq变换的新的推定磁极位置;以及磁极位置确认单元，其确认在会聚时 一定位置时，估计磁极位置是同步时磁极位置 电机启动。

公开(公告)号：US09709975B2

公开(公告)日：2017-07-18

申请号：US14807963

申请日：2015-07-24

申请人： FANUC CORPORATION

发明人： Naoto Sonoda ,  Yukio Toyozawa ,  Yasusuke Iwashita

IPC分类号： G05B19/19 ,  G05B19/402

CPC分类号： G05B19/19 ,  G05B19/402 ,  G05B2219/50336

摘要： A control system of servo motors in a machine tool, comprising a host control device which generates position command values for processing a workpiece, servo control devices which drive servo motors to operate a tool for processing using the position command values, and position detectors which detect positions of the servo motors or a tool position and further a position error computing part computes position error between the position command values and detected positions of the servo motors, a reference angle generating part calculates a reference point on a closed figure and a reference angle which varies monotonously from a current processing point under the condition that any position inside of the closed figure which the position command value forms as the center, and learning control parts use the reference angle and the position error as the basis to perform angle synchronization type learning control to control the servo motors.

公开(公告)号：US20160033954A1

公开(公告)日：2016-02-04

申请号：US14807963

申请日：2015-07-24

申请人： FANUC CORPORATION

发明人： Naoto Sonoda ,  Yukio Toyozawa ,  Yasusuke Iwashita

IPC分类号： G05B19/19 ,  G05B19/402

CPC分类号： G05B19/19 ,  G05B19/402 ,  G05B2219/50336

摘要： A control system of servo motors in a machine tool, comprising a host control device which generates position command values for processing a workpiece, servo control devices which drive servo motors to operate a tool for processing using the position command values, and position detectors which detect positions of the servo motors or a tool position and further a position error computing part computes position error between the position command values and detected positions of the servo motors, a reference angle generating part calculates a reference point on a closed figure and a reference angle which varies monotonously from a current processing point under the condition that any position inside of the closed figure which the position command value forms as the center, and learning control parts use the reference angle and the position error as the basis to perform angle synchronization type learning control to control the servo motors.

摘要翻译： 一种机床中的伺服电动机的控制系统，包括：主机控制装置，其产生用于处理工件的位置指令值;伺服控制装置，其驱动伺服电动机来操作使用位置指令值进行处理的工具;以及位置检测器，其检测 伺服电动机的位置或工具位置，另外位置误差计算部分计算位置指令值与伺服电动机的检测位置之间的位置误差，基准角产生部分计算闭合图形上的参考点和基准角， 在位置指令值形成为中心的闭合图形内的任何位置，学习控制部件使用参考角度和位置误差作为执行角度同步型学习控制的基础的条件下，从当前处理点单调变化 控制伺服电机。