BLDC motor system including parameter detecting circuit and operating method thereof

    公开(公告)号:US09602032B2

    公开(公告)日:2017-03-21

    申请号:US14862139

    申请日:2015-09-22

    CPC classification number: H02P6/182

    Abstract: Provided is a BrushLess Direct Current (BLDC) motor system including a motor driving circuit configured to control a pulse-width-modulation (PWM) inverter in a first operation mode or a second operation mode according to a control signal, and output a switching signal according to each operation mode, the PWM inverter configured to receive the switching signal to output first three-phase voltages having a first frequency in the first operation mode, and output second three-phase voltages having a second frequency in the second operation mode, a sensorless BLDC motor configured not to operate in the first operation mode by operating based on three-phase voltages having a frequency in a different band from the first frequency, and operate in the second mode by operating based on three-phase voltages having a frequency in an identical band to the second frequency, and a parameter detecting circuit configured to calculate parameter information on the sensorless BLDC motor in the first operation mode by using sensing voltages sensed in the PWM inverter.

    Motor driving module, operating method for the same, and brushless DC motor system
    2.
    发明授权
    Motor driving module, operating method for the same, and brushless DC motor system 有权
    电机驱动模块,操作方法相同,无刷直流电机系统

    公开(公告)号:US09106166B2

    公开(公告)日:2015-08-11

    申请号:US13959647

    申请日:2013-08-05

    CPC classification number: H02P6/142 H02P6/14 H02P6/15 H02P6/16

    Abstract: The inventive concept provides a motor driving module, a operating method for the same, and a Brush less Direct Current (BLDC) motor system. The motor driving module is provided which comprises a motor driving unit configured to output a plurality of switching signals based on a plurality of position signals and a control signal; and a Pulse Width Modulation (PWM) inverter configured to output 3-phase voltages based on the plurality of switching signals outputted from the motor driving unit, wherein the motor driving unit comprises; a correction circuit configured to detect an error of the plurality of position signals to output a compensation signal based on the detecting result; and a control circuit configured to output the plurality of switching signals based on the compensation signal and the control signal, wherein the plurality of position signals indicate a position of a rotor in an external motor.

    Abstract translation: 本发明的概念提供了一种电动机驱动模块,一种其操作方法和一种无刷直流(BLDC)电动机系统。 提供电动机驱动模块,其包括:电动机驱动单元,被配置为基于多个位置信号和控制信号输出多个开关信号; 以及脉冲宽度调制(PWM)逆变器,被配置为基于从所述电动机驱动单元输出的多个开关信号输出3相电压,其中所述电动机驱动单元包括: 校正电路,被配置为基于所述检测结果来检测所述多个位置信号的误差以输出补偿信号; 以及控制电路,被配置为基于所述补偿信号和所述控制信号输出所述多个切换信号,其中所述多个位置信号指示外部电动机中的转子的位置。

    Spherical Wheel Motor
    3.
    发明申请
    Spherical Wheel Motor 有权
    球形轮电机

    公开(公告)号:US20130113307A1

    公开(公告)日:2013-05-09

    申请号:US13673107

    申请日:2012-11-09

    CPC classification number: H02K5/04 H02K41/031 H02K2201/18

    Abstract: Disclosed is a spherical wheel motor including: a spherical rotor having freedom of rotation along surrounding magnetized directions; a stator formed in a dome shape enclosing the rotor and configured to form magnetization at various angles through a plurality of coils distributed therein, and impart the freedom of rotation to the rotor; and a driving unit configured to identify a position of the rotor, supply current to each coil of the stator according to the position of the rotor, and drive the rotor.

    Abstract translation: 公开了一种球面轮马达,其包括:球形转子,其具有围绕磁化方向的旋转自由度; 定子,其形成为圆顶形状,包围所述转子并构造成通过分布在其中的多个线圈以各种角度形成磁化,并赋予所述转子的旋转自由度; 以及驱动单元,被配置为识别转子的位置,根据转子的位置向定子的每个线圈供应电流,并驱动转子。

    Motor driving module and brushless DC motor system
    4.
    发明授权
    Motor driving module and brushless DC motor system 有权
    电机驱动模块和无刷直流电机系统

    公开(公告)号:US09490735B2

    公开(公告)日:2016-11-08

    申请号:US13910201

    申请日:2013-06-05

    CPC classification number: H02P7/00 H02P6/18 H02P6/182 H02P6/188

    Abstract: A motor driving module is provided which includes a motor driving unit configured to control a PWM inverter on the basis of positional information and a control signal; a PWM inverter configured to output three-phase voltages on the basis of DC power according to control of the motor driving unit; a phase voltage estimating unit configured to output three-phase estimated voltages on the basis of the positional information, the DC power, and a voltage modulation index; and a position detecting unit configured to output the positional information on the basis of the three-phase estimated voltages, wherein the positional information is on an external motor that operates on the basis of the three-phase voltages.

    Abstract translation: 提供一种马达驱动模块,其包括:马达驱动单元,其被配置为基于位置信息和控制信号控制PWM逆变器; PWM逆变器,被配置为根据所述电动机驱动单元的控制,基于直流电力输出三相电压; 相位电压估计单元,被配置为基于位置信息,DC电力和电压调制指数输出三相估计电压; 以及位置检测单元,其被配置为基于三相估计电压输出位置信息,其中位置信息在基于三相电压工作的外部电动机上。

    Position signal compensation unit of motor, and motor including the same
    5.
    发明授权
    Position signal compensation unit of motor, and motor including the same 有权
    电机的位置信号补偿单元和包括电机的电机

    公开(公告)号:US09219437B2

    公开(公告)日:2015-12-22

    申请号:US14148142

    申请日:2014-01-06

    CPC classification number: H02P6/16

    Abstract: Provided is a motor including a motor driving unit outputting a plurality of switching signals and any one of estimated three-phase voltages, in response to a control signal and a compensated position signal; a pulse width modulation (PWM) inverter outputting three-phase voltages and any one of estimated three-phase currents corresponding to the one estimated phase voltage, in response to the plurality switching signals; a motor unit operating based on the three-phase voltages and outputting a position signal according to the operation; and a position signal compensation unit receiving the position signal, the estimated phase voltage and the estimated phase current, detecting a phase difference between the estimated phase voltage and the estimated phase current and compensating for the position signal in response to the detected phase difference.

    Abstract translation: 提供一种电动机,其包括电动机驱动单元,其响应于控制信号和补偿位置信号而输出多个开关信号和估计的三相电压中的任一个; 响应于所述多个开关信号,输出三相电压和对应于所述一个估计相电压的估计三相电流中的任一个的脉宽调制(PWM)变换器; 基于三相电压工作的电动机单元,并根据操作输出位置信号; 以及位置信号补偿单元,接收位置信号,估计相电压和估计相电流,检测估计相电压和估计相电流之间的相位差,并响应于检测到的相位差补偿位置信号。

    MOTOR DRIVING MODULE, OPERATING METHOD FOR THE SAME, AND BRUSHLESS DC MOTOR SYSTEM
    6.
    发明申请
    MOTOR DRIVING MODULE, OPERATING METHOD FOR THE SAME, AND BRUSHLESS DC MOTOR SYSTEM 有权
    电机驱动模块,其操作方法和无刷直流电机系统

    公开(公告)号:US20140159625A1

    公开(公告)日:2014-06-12

    申请号:US13959647

    申请日:2013-08-05

    CPC classification number: H02P6/142 H02P6/14 H02P6/15 H02P6/16

    Abstract: The inventive concept provides a motor driving module, a operating method for the same, and a Brush less Direct Current (BLDC) motor system. The motor driving module is provided which comprises a motor driving unit configured to output a plurality of switching signals based on a plurality of position signals and a control signal; and a Pulse Width Modulation (PWM) inverter configured to output 3-phase voltages based on the plurality of switching signals outputted from the motor driving unit, wherein the motor driving unit comprises; a correction circuit configured to detect an error of the plurality of position signals to output a compensation signal based on the detecting result; and a control circuit configured to output the plurality of switching signals based on the compensation signal and the control signal, wherein the plurality of position signals indicate a position of a rotor in an external motor.

    Abstract translation: 本发明的概念提供了一种电动机驱动模块,一种其操作方法和一种无刷直流(BLDC)电动机系统。 提供电动机驱动模块,其包括:电动机驱动单元,被配置为基于多个位置信号和控制信号输出多个开关信号; 以及脉冲宽度调制(PWM)逆变器,被配置为基于从所述电动机驱动单元输出的多个开关信号输出3相电压,其中所述电动机驱动单元包括: 校正电路,被配置为基于所述检测结果来检测所述多个位置信号的误差以输出补偿信号; 以及控制电路,被配置为基于所述补偿信号和所述控制信号输出所述多个切换信号,其中所述多个位置信号指示外部电动机中的转子的位置。

    Delay time control circuit and control method thereof
    7.
    发明授权
    Delay time control circuit and control method thereof 失效
    延迟时间控制电路及其控制方法

    公开(公告)号:US08698529B2

    公开(公告)日:2014-04-15

    申请号:US13758991

    申请日:2013-02-04

    CPC classification number: H03L7/07 H03K2005/00065 H03L7/0812

    Abstract: A delay time control circuit is provided which includes a delay locked loop generating a second clock signal delayed by a predetermined time in response to a first clock signal; a plurality of delay circuits each receiving the first and second clock signals and outputting third and fourth clock signals in response to first and second digital clock signals; and a feedback control unit receiving the third and fourth clock signals to detect a delay time and generating the first and second digital control signals for compensating the detected delay time.

    Abstract translation: 提供延迟时间控制电路,其包括响应于第一时钟信号产生延迟预定时间的第二时钟信号的延迟锁定环; 多个延迟电路,每个延迟电路接收第一和第二时钟信号,并响应于第一和第二数字时钟信号输出第三和第四时钟信号; 以及反馈控制单元,接收第三和第四时钟信号以检测延迟时间,并产生用于补偿检测到的延迟时间的第一和第二数字控制信号。

    Spherical wheel motor and control system thereof

    公开(公告)号:US10734878B2

    公开(公告)日:2020-08-04

    申请号:US16122631

    申请日:2018-09-05

    Abstract: The present disclosure relates to a spherical wheel motor and a control system thereof, and more particularly, the spherical wheel motor and the control system include a spherical rotor and a stator surrounding an upper surface of the rotor. The rotor includes a spherical outer shell part, a first axial magnet extending in a horizontal direction in the outer shell part, a second axial magnet extending in the horizontal direction and facing the first axial magnet, and a rotary magnet belt provided in a form of a belt with the first axial magnet and the second axial magnet as a central axis. The rotary magnet belt includes a plurality of first rotary magnets and a plurality of second rotary magnets arranged alternately.

    Bridge diode
    9.
    发明授权

    公开(公告)号:US09905654B2

    公开(公告)日:2018-02-27

    申请号:US15215414

    申请日:2016-07-20

    CPC classification number: H01L29/205 H01L29/2003 H01L29/66212 H01L29/872

    Abstract: Provided is a bridge diode according to an embodiment of the inventive concept. The bridge diode includes a first structure including a first lower nitride film and a first upper nitride film, which are laminated on the substrate, a second structure including a second lower nitride film and a second upper nitride film, which are laminated on the substrate, a first electrode structural body disposed on the first structure, and a second electrode structural body disposed on the second structure. The first electrode structural body includes a first electrode, a second electrode, and a third electrode, which are arranged in a clockwise direction, the second electrode structural body includes a fourth electrode, a fifth electrode, and a sixth electrode, which are arranged in a clockwise direction, the first electrode and the sixth electrode, which are connected to each other, are connected to an external circuit, the third electrode and the fourth electrode, which are connected to each other, are connected to an external circuit, and each of the second electrode and the fifth electrode is connected to the external circuit.

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