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公开(公告)号：US09391481B2
公开(公告)日：2016-07-12
申请号：US13673107
申请日：2012-11-09
Inventor： Minki Kim , Yil Suk Yang
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。
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公开(公告)号：US09325261B2
公开(公告)日：2016-04-26
申请号：US14201163
申请日：2014-03-07
Inventor： Jimin Oh , Minki Kim , Jung Hee Suk , Sewan Heo , Yil Suk Yang
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。
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公开(公告)号：US09130486B2
公开(公告)日：2015-09-08
申请号：US13909938
申请日：2013-06-04
Inventor： Jung Hee Suk , Jimin Oh , Minki Kim , Yil Suk Yang
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。
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