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公开(公告)号：US10135374B2
公开(公告)日：2018-11-20
申请号：US15222134
申请日：2016-07-28
摘要： To manufacture a permanent magnetic motor having saliency at a low cost, a permanent magnet motor includes a stator provided with an armature winding configured to form a plurality of phases, a rotor having a surface facing the stator, the rotor including a permanent magnet disposed to face the stator, the permanent magnet having a plurality of magnetic poles arranged in a circumferential direction of the rotor, and a conductive member made of a conductive material and disposed on the surface of the rotor facing the stator.
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公开(公告)号：US20130106326A1
公开(公告)日：2013-05-02
申请号：US13658109
申请日：2012-10-23
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller to control a motor via multiple sensors includes a first phase detector to compare respective differential pairs of the sensor signals from the same sensor to detect phases of the rotor, and output a first phase information signal; a second phase detector to compare a respective one of the multiple sensor signals with another sensor signal from the different sensor to detect the phases and output a second phase information signal; a phase divider to divide the phases, detected by the first and second phase detectors, into multiple predetermined phase intervals; a signal selector to select one of the multiple sensor signals in the multiple predetermined phase intervals; and a third phase detector to detect whether the signal selected by the signal selector reaches a predetermined threshold level corresponding to a predetermined phase of the rotor, and output a third phase information signal.
摘要翻译： 用于通过多个传感器控制电动机的电动机驱动控制器包括第一相位检测器，用于比较来自同一传感器的传感器信号的各差分对以检测转子的相位，并输出第一相位信息信号; 第二相位检测器，用于将来自所述不同传感器的另一个传感器信号与所述多个传感器信号中的相应一个进行比较，以检测相位并输出第二相位信息信号; 相位分配器，用于将由第一和第二相位检测器检测的相位分成多个预定相位间隔; 信号选择器，用于选择多个预定相位间隔中的多个传感器信号之一; 以及第三相位检测器，用于检测由信号选择器选择的信号是否达到与转子的预定相位对应的预定阈值电平，并输出第三相位信息信号。
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公开(公告)号：US08258731B2
公开(公告)日：2012-09-04
申请号：US12670252
申请日：2008-07-04
申请人： Fumihiro Shimizu
发明人： Fumihiro Shimizu
IPC分类号： H02P6/20
摘要： A motor starting apparatus includes a driving signal generating unit that generates an open-loop driving signal and a drive circuit that is connected to a motor. The driving signal generating unit includes a data storing unit that stores therein predetermined data, a velocity integrating unit that integrates velocity data, a phase adjusting signal generating unit that generates a phase adjusting signal, a three-phase driving signal generating unit that generates a three-phase applied voltage, and a drive circuit driving unit that generates a driving signal of the motor. The three-phase driving signal generating unit performs open-loop driving by outputting the three-phase applied voltage based on the phase adjusting signal to the drive circuit driving unit.
摘要翻译： 电动机启动装置包括产生开环驱动信号的驱动信号产生单元和连接到电动机的驱动电路。 驱动信号生成单元包括数据存储单元，其中存储有预定数据，集成速度数据的速度积分单元，产生相位调整信号的相位调整信号生成单元，三相驱动信号生成单元， 相位施加电压，以及产生电动机的驱动信号的驱动电路驱动单元。 三相驱动信号发生单元通过基于相位调整信号将三相施加电压输出到驱动电路驱动单元来进行开环驱动。
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4.发明授权Motor drive controller and image forming apparatus incorporating the motor drive controller 有权电机驱动控制器和包含电机驱动控制器的成像设备公开(公告)号：US08405329B2
公开(公告)日：2013-03-26
申请号：US12923960
申请日：2010-10-18
申请人： Fumihiro Shimizu
发明人： Fumihiro Shimizu
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller includes a position detector that detects and outputs positional signals representing rotational positions of the magnetic rotor at first resolution, a position change detector that detects and outputs position change signals representing rotational positions of the magnetic rotor at second resolution higher than the first resolution, a phase synchronizing circuit that generates and outputs low resolution absolute phase information based on the positional and position change signals. The phase synchronizing circuit generates and outputs high-resolution absolute phase information based on the position change signals. A drive voltage signal outputting device outputs a drive voltage signal causing the current to flow through the coils in accordance with the absolute phase information.
摘要翻译： 电动机驱动控制器包括位置检测器，其以第一分辨率检测和输出表示磁转子的旋转位置的位置信号;位置变化检测器，其检测并输出代表第二分辨率的磁转子的旋转位置的位置变化信号， 分辨率，基于位置和位置变化信号产生并输出低分辨率绝对相位信息的相位同步电路。 相位同步电路基于位置变化信号生成并输出高分辨率的绝对相位信息。 驱动电压信号输出装置根据绝对相位信息输出使电流流过线圈的驱动电压信号。
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公开(公告)号：US20100117576A1
公开(公告)日：2010-05-13
申请号：US12588902
申请日：2009-11-02
申请人： Fumihiro Shimizu
发明人： Fumihiro Shimizu
IPC分类号： H02P31/00
CPC分类号： H02P27/08 , H02M7/53875 , H02P29/0241 , H02P31/00
摘要： A motor driver, including a bridge circuit including a switching element and a diode, connecting with a coil terminal of each phase of a polyphase motor; a modulator modulating a voltage value applied to the coil terminal of each phase such that a minimum voltage value applied thereto is zero; a PWM signal generator generating a PWM signal, based on the voltage value applied to each phase, which is modulated by the modulator; and a switching element drive signal generator generating a switching element drive signal to drive the switching signal, based on the PWM signal generated by the PWM signal generator.
摘要翻译： 电动机驱动器，包括与多相电动机的各相的线圈端子连接的开关元件和二极管的桥式电路; 调制对每相的线圈端子施加的电压值，使得施加到其的最小电压值为零的调制器; PWM信号发生器，基于由调制器调制的每相施加的电压值产生PWM信号; 以及基于由PWM信号发生器产生的PWM信号，产生开关元件驱动信号以驱动开关信号的开关元件驱动信号发生器。
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公开(公告)号：US10024688B2
公开(公告)日：2018-07-17
申请号：US14509343
申请日：2014-10-08
申请人： Fumihiro Shimizu
发明人： Fumihiro Shimizu
摘要： An angle detection device which includes multiple sensors to output multiple sinusoidal signals having different phases according to the rotation angle of a rotating body; a rotation calculation device to detect the rotation angle based on the multiple sinusoidal signals and detect an amplitude of the multiple sinusoidal signals to output the amplitude of the multiple sinusoidal signals as amplitude signal; and an amplitude comparison device to compare the amplitude signal with a predetermined amplitude target value and output an amplitude error signal indicating the comparison result; wherein the error of amplitude of the multiple sinusoidal signals is corrected by increasing or decreasing a drive input of a sensor driving unit based on the amplitude error signal.
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公开(公告)号：US08288978B2
公开(公告)日：2012-10-16
申请号：US12588902
申请日：2009-11-02
申请人： Fumihiro Shimizu
发明人： Fumihiro Shimizu
IPC分类号： H02P31/00
CPC分类号： H02P27/08 , H02M7/53875 , H02P29/0241 , H02P31/00
摘要： A motor driver, including a bridge circuit including a switching element and a diode, connecting with a coil terminal of each phase of a polyphase motor; a modulator modulating a voltage value applied to the coil terminal of each phase such that a minimum voltage value applied thereto is zero; a PWM signal generator generating a PWM signal, based on the voltage value applied to each phase, which is modulated by the modulator; and a switching element drive signal generator generating a switching element drive signal to drive the switching signal, based on the PWM signal generated by the PWM signal generator.
摘要翻译： 电动机驱动器，包括与多相电动机的各相的线圈端子连接的开关元件和二极管的桥式电路; 调制对每相的线圈端子施加的电压值，使得施加到其的最小电压值为零的调制器; PWM信号发生器，基于由调制器调制的每相施加的电压值产生PWM信号; 以及基于由PWM信号发生器产生的PWM信号，产生开关元件驱动信号以驱动开关信号的开关元件驱动信号发生器。
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公开(公告)号：US06573625B2
公开(公告)日：2003-06-03
申请号：US09818623
申请日：2001-03-28
IPC分类号： H02K1100
CPC分类号： H02K5/148 , H02K5/10 , H02K5/225 , H02K7/1166
摘要： In a motor device for vehicles, a brush holder is interposed between a motor yoke housing and a reduction gear unit housing has a holder body and a connector unit integrally formed with each other. The connector unit holds therein connector terminals having base ends connected to brushes. A sealing cover is molded integrally on the holder body and the base ends of the connector terminals. The sealing cover seals insides of the yoke housing and the gear housing water-tightly from the outside. The sealing cover is preferably made of rubber, elastomer or adhesive resin, and formed with the brush holder by two-color molding. The sealing cover has a cylindrical cover part extending from the connector unit, and the motor device is mounted in a vehicle door with the cylindrical cover part being attached to the vehicle door for electrical connection with an external power source.
摘要翻译： 在用于车辆的电动机装置中，电刷架设置在电动机轭架和减速装置壳体之间，具有彼此一体形成的保持器主体和连接器单元。 连接器单元保持具有连接到电刷的基端的连接器端子。 密封盖一体地模制在保持器主体和连接器端子的基端上。 密封盖将挡圈外壳和齿轮壳体的内部从外部水密地密封。 密封盖优选由橡胶，弹性体或粘合剂树脂制成，并通过双色成型由电刷架形成。 密封盖具有从连接器单元延伸的圆筒形盖部件，并且马达装置安装在车门中，其中圆柱形盖部分附接到车门以与外部电源电连接。
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公开(公告)号：US10075604B2
公开(公告)日：2018-09-11
申请号：US14315614
申请日：2014-06-26
申请人： Fumihiro Shimizu
发明人： Fumihiro Shimizu
CPC分类号： H04N1/00904 , G01D3/02 , G01D5/145
摘要： According to an embodiment of the present invention, a rotation-angle detection device for detecting a rotation angle of a rotor includes: plural rotation detectors that output detection signals which vary with the rotation angle of the rotor; a rotation calculator that outputs a rotated vector by rotating a vector expressed by the detection signals; an amplitude detector that outputs an amplitude signal indicating amplitude of the detection signals by performing computation on at least one of signals expressing the rotated vector using a predetermined target amplitude; a drive-power adjuster that adjusts the amplitude of the detection signals by changing drive power applied to the rotation detectors according to the amplitude signal; a corrector that corrects the amplitude based on the amplitude signal and outputs a corrected detection signal; and a rotation angle detector that detects a rotation angle of the rotor based on the corrected detection signal.
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10.发明授权Angle detection apparatus, motor driving control apparatus and angle detection method 有权角度检测装置，电机驱动控制装置和角度检测方法公开(公告)号：US09473054B2
公开(公告)日：2016-10-18
申请号：US14574485
申请日：2014-12-18
申请人： Fumihiro Shimizu
发明人： Fumihiro Shimizu
CPC分类号： H02P6/16 , G01D5/24476
摘要： Determining an amount of rotating a vector according to a result of comparing the rotated vector with a predetermined phase and rotating the vector according to the determined amount of rotating the vector are repeated to acquire the determined amount of rotating the vector as a rotation angle of a rotation shaft. Based on the thus acquired amount of rotating the vector, a rotation angle change signal is generated for acquiring a state of a change of the rotation angle of the rotation shaft. A signal indicating to increase or decrease a fixed amount is generated for increasing or decreasing the amount of rotating the vector according to the result of the comparison.
摘要翻译： 确定根据将旋转矢量与预定相位进行比较的结果旋转矢量的量，并根据所确定的矢量旋转量来旋转矢量，以获得所确定的矢量旋转量作为旋转角度 旋转轴。 基于如此获得的旋转矢量的量，产生用于获取旋转轴的旋转角度的变化的状态的旋转角度变化信号。 产生指示增加或减少固定量的信号，用于根据比较结果增加或减少向量旋转的量。
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