MOTOR POSITION DETECTING UNIT AND BRUSHLESS DC MOTOR SYSTEM
    5.
    发明申请
    MOTOR POSITION DETECTING UNIT AND BRUSHLESS DC MOTOR SYSTEM 有权
    电机位置检测单元和无刷直流电机系统

    公开(公告)号:US20140159631A1

    公开(公告)日:2014-06-12

    申请号:US13909938

    申请日:2013-06-04

    CPC classification number: H02P7/00 H02P6/181 H02P6/182

    Abstract: Provided is a motor position detecting unit that includes a first computing element configured to output three-phase back-electromotive foreces (back-EMFs) based on a linear computation; a second computing element configured to output three-phase back-EMF based on a non-linear computation; and a computing controller configured to receive a control signal, three-phase voltage and current, and selecting any one of the first and second computing elements based on the received control signal, the received three-phase voltages and currents, wherein the control signal includes information on operation modes of an external motor.

    Abstract translation: 提供一种电动机位置检测单元,其包括:第一计算单元,其被配置为基于线性计算输出三相反电动势(反电动势); 第二计算元件,被配置为基于非线性计算输出三相反电动势; 以及计算控制器,被配置为接收控制信号,三相电压和电流,以及基于所接收的控制信号,所接收的三相电压和电流来选择第一和第二计算元件中的任何一个,其中控制信号包括 有关外部电机运行模式的信息。

    DC-DC CONVERTER DRIVING DEVICE AND METHOD FOR DRIVING DC-DC CONVERTER USING THE SAME

    公开(公告)号:US20190068051A1

    公开(公告)日:2019-02-28

    申请号:US15981774

    申请日:2018-05-16

    Abstract: Provided are a DC-DC converter driving device and a driving method thereof, the DC-DC converter driving device including an error detector configured to compare a first feedback voltage corresponding to a first output terminal with a first compensation reference voltage to generate a first error voltage, and configured to compare a second feedback voltage corresponding to a second output terminal with a second compensation reference voltage to generate a second error voltage, an interference detector configured to determine interference between the first and second output terminals on the basis of the first and second error voltages to generate an interference error voltage, and a reference voltage compensator configured to assign a weight to the interference error voltage to generate the first and second compensation reference voltages, and thus priorities are determined for outputs of the DC-DC converter and weights according thereto are assigned to reduce occurrence of cross-regulation.

    MOTOR DRIVING METHOD AND OPERATING METHOD THEREOF
    8.
    发明申请
    MOTOR DRIVING METHOD AND OPERATING METHOD THEREOF 有权
    电机驱动方法及其运行方法

    公开(公告)号:US20150084556A1

    公开(公告)日:2015-03-26

    申请号:US14201163

    申请日:2014-03-07

    CPC classification number: H02P6/08 H02P6/15

    Abstract: Provided is a motor driving circuit which transmits a driving signal to a motor, including a gate driver generating the driving signal corresponding to a pulse width modulation signal, a pulse width modulation signal generator generating the pulse width modulation signal according to Hall sensor signals received from Hall sensors mounted in the motor, a current sensor measuring a link current provided to the gate driver, a low pass filter outputting a filter current that high frequency components are removed from the measured link current, and a minimum power consumption estimating unit generating a lead angle according to a start signal with reference to the filter current, wherein the pulse with modulating signal is changed according to the lead angle.

    Abstract translation: 提供了一种电动机驱动电路,其将驱动信号发送到电动机,包括产生与脉宽调制信号相对应的驱动信号的栅极驱动器,脉宽调制信号发生器,根据接收到的霍尔传感器信号产生脉宽调制信号 安装在电动机中的霍尔传感器,测量提供给栅极驱动器的链路电流的电流传感器,输出从所测量的链路电流中除去高频分量的滤波电流的低通滤波器,以及产生引线的最小功耗估计单元 相对于滤波器电流根据起始信号的角度,其中具有调制信号的脉冲根据引导角度而改变。

    POSITION SIGNAL COMPENSATION UNIT OF MOTOR, AND MOTOR INCLUDING THE SAME
    9.
    发明申请
    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它的电机

    公开(公告)号:US20150002062A1

    公开(公告)日:2015-01-01

    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。

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