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    MOTOR DRIVE DEVICE INCLUDING FUNCTION TO DETECT FAILURE IN INSULATION RESISTANCE DETERIORATION DETECTION UNIT OF MOTOR, AND FAILURE DETECTION METHOD
    1.
    发明申请
    MOTOR DRIVE DEVICE INCLUDING FUNCTION TO DETECT FAILURE IN INSULATION RESISTANCE DETERIORATION DETECTION UNIT OF MOTOR, AND FAILURE DETECTION METHOD 有权
    电机驱动装置，包括检测电机绝缘电阻检测单元故障的功能和故障检测方法

    公开(公告)号：US20150293165A1

    公开(公告)日：2015-10-15

    申请号：US14685672

    申请日：2015-04-14

    Applicant: FANUC CORPORATION

    Inventor： Masaya Tateda ,  Hiroyasu Sato ,  Akira Hirai

    IPC: G01R31/02 ,  H02P31/00

    CPC classification number: G01R31/025 ,  G01R31/42 ,  G01R35/00 ,  H02H11/005 ,  H02P29/0241

    Abstract: A motor drive device includes a power source unit rectifying AC voltage to DC voltage and to smooth the DC voltage by a capacitor, a motor drive amplification, a power source voltage measurement unit, an insulation resistance deterioration detection unit having a contact unit connecting one end of the capacitor to the ground and a current detection unit provided between the other end of the capacitor and a motor coil, and detecting a deterioration in an insulation resistance of the motor based on a detected signal obtained from a closed circuit formed by the contact unit, the capacitor, the motor coil, and the ground by using the current detection unit, and a failure detection unit detecting a failure in the insulation resistance deterioration detection unit based on the detected signal in the insulation resistance deterioration detection unit and a voltage value measured by the power source voltage measurement unit.

    Abstract translation: 电动机驱动装置包括：电源单元，其将交流电压与直流电压整流，并通过电容器平滑直流电压;马达驱动放大;电源电压测量单元;绝缘电阻劣化检测单元，具有连接一端的接触单元 的电容器和设置在电容器的另一端与电动机线圈之间的电流检测单元，并且基于从由接触单元形成的闭合电路获得的检测信号来检测电动机的绝缘电阻的劣化 电容器，电动机线圈和接地;以及故障检测单元，其基于绝缘电阻劣化检测单元中的检测信号和测量的电压值来检测绝缘电阻劣化检测单元的故障 由电源电压测量单元。

    Data communication device that carries out serial communication in order to control motor
    2.
    发明授权
    Data communication device that carries out serial communication in order to control motor 有权
    数据通信设备进行串行通信，以控制电机

    公开(公告)号：US08952636B2

    公开(公告)日：2015-02-10

    申请号：US13975794

    申请日：2013-08-26

    Applicant: Fanuc Corporation

    Inventor： Masaya Tateda ,  Hiroyasu Sato

    IPC: H02P1/54 ,  H04B1/40

    CPC classification number: H04B1/40 ,  G05B2219/34434 ,  G08C19/00 ,  H02P5/00

    Abstract: A data reception unit carries out reception of data, which consists of a combination of switching noise resistant states and switching noise nonresistant states, over a fixed serial communication time a plurality of times for each fixed serial communication period same as the one or a plurality of the switching periods. A serial communication time setting unit sets the serial communication time different from one or a plurality of the switching periods, based on the switching period, the serial communication period, and the communication speed of the data communication device, so that the starts of all of the switching periods within the serial communication time are consistent with the time of reception of the switching noise resistant state at the time of at least one of the reception of the data among a plurality of times of the reception of the data.

    Abstract translation: 数据接收单元对于与固定的串行通信时间相同的固定串行通信时间多次来执行数据的接收，该数据由开关抗噪声状态和开关噪声非阻抗状态的组合组成， 切换周期。 串行通信时间设定单元基于数据通信设备的切换周期，串行通信周期和通信速度来设定与一个或多个切换周期不同的串行通信时间，从而全部开始 串行通信时间内的切换周期与在接收数据的多次之间的数据接收中的至少一个时刻的接收到开关抗噪声状态的时间一致。

    Motor drive apparatus equipped with dynamic braking control unit
    6.
    发明授权
    Motor drive apparatus equipped with dynamic braking control unit 有权
    电机驱动装置配有动态制动控制单元

    公开(公告)号：US08803458B2

    公开(公告)日：2014-08-12

    申请号：US13746718

    申请日：2013-01-22

    Applicant: Fanuc Corporation

    Inventor： Shinichi Horikoshi ,  Hiroyasu Sato ,  Minoru Kobayashi

    IPC: H02P6/00

    CPC classification number: H02P27/06 ,  H02P3/22

    Abstract: A motor drive apparatus includes an inverter which has an upper and lower arms each provided with a plurality of semiconductor switching devices and free-wheeling diodes connected in reverse parallel with respective ones of the plurality of semiconductor switching devices, wherein the semiconductor switching devices are controlled on and off to convert DC to AC, a short-circuiting unit which includes a selector switch between motor phase windings of a synchronous motor, the selector switch being opened and closed under the control of a command, and a dynamic braking control unit which, upon reception of a dynamic braking start command, performs control so as to turn on all of the semiconductor switching devices provided in either one of the upper and lower arms and to turn off all of the semiconductor switching devices provided in the other arm, and thereafter controls the short-circuiting unit so that the selector switch is closed.

    Abstract translation: 一种电动机驱动装置，具备：逆变器，具有上臂和下臂，每个上臂和下臂都设置有多个半导体开关装置和与所述多个半导体开关装置中的相应的反向并联连接的续流二极管，其中半导体开关装置被控制 一个短路单元，它包括一个在同步电动机的电动机相绕组之间的选择开关，该选择开关在一个指令的控制下被打开和关闭;一个动态制动控制单元， 在接收到动态制动开始指令时，进行控制，以使得设置在上臂和下臂中的任一个中的所有半导体开关装置接通并关闭设置在另一臂中的所有半导体开关装置，之后 控制短路单元，使选择开关闭合。

    Motor drive device including insulation deterioration detection function and insulation resistance detection method of motor
    7.
    发明授权
    Motor drive device including insulation deterioration detection function and insulation resistance detection method of motor 有权
    电机驱动装置包括电机的绝缘劣化检测功能和绝缘电阻检测方法

    公开(公告)号：US09404974B2

    公开(公告)日：2016-08-02

    申请号：US14591500

    申请日：2015-01-07

    Applicant: FANUC Corporation

    Inventor： Hiroyasu Sato ,  Masaya Tateda ,  Akira Hirai

    IPC: H02P25/00 ,  H02H7/08 ,  G01R31/34 ,  G01R27/02 ,  G01R31/14

    CPC classification number: G01R31/346 ,  G01R27/025 ,  G01R31/14

    Abstract: A motor drive device of the present invention includes: a rectification circuit configured to rectify an AC voltage; a power source unit configured to smooth a DC voltage by a capacitor; an inverter unit configured to drive a motor by converting a DC voltage into an AC voltage; a current detection unit configured to measure a current flowing through a resistor which is connected to a coil of the motor and the capacitor; a voltage detection unit configured to measure a value of a voltage across the capacitor; a second switch that grounds the capacitor; and an insulation resistance detection unit configured to detect an insulation resistance value of a motor by using two sets of a current value and a voltage value measured in two states where the second switch is turned off and turned on.

    Abstract translation: 本发明的电动机驱动装置包括：整流电路，对交流电压进行整流; 电源单元，被配置为通过电容器平滑DC电压; 逆变器单元，被配置为通过将DC电压转换成AC电压来驱动电动机; 电流检测单元，被配置为测量流过连接到电动机的线圈和电容器的电阻器的电流; 电压检测单元，被配置为测量电容器两端的电压值; 使电容器接地的第二开关; 以及绝缘电阻检测单元，被配置为通过使用两组电流值和在第二开关断开和接通的两种状态下测量的电压值来检测电动机的绝缘电阻值。

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