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1. 发明申请

US20130106326A1 MOTOR DRIVE CONTROLLER AND CONTROL METHOD 有权
标题翻译：电机驱动控制器和控制方法
公开(公告)号：US20130106326A1
公开(公告)日：2013-05-02
申请号：US13658109
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
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。

2. 发明授权

US08872453B2 Motor drive controller and control method 有权
标题翻译：电机驱动控制器及控制方式
公开(公告)号：US08872453B2
公开(公告)日：2014-10-28
申请号：US13658109
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
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。

3. 发明授权

US08866421B2 Motor drive controller and control method 有权
标题翻译：电机驱动控制器及控制方式
公开(公告)号：US08866421B2
公开(公告)日：2014-10-21
申请号：US13658119
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller to drive a motor, based on multiple sensors that generates multiple sensor signals corresponding to different positions of the rotor; including a first phase detector to compare a respective one of the multiple sensor signals with a paired sensor signal from the same sensor to detect phases of the rotor, and output a first phase information signal representing a first detected phase; a phase divider to divide the phases, detected by the first phase detector into multiple predetermined phase intervals; a signal selector to select one of the respective multiple sensor signals from the multiple sensors in the multiple predetermined phase interval; and a second 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 second phase information signal representing a second detected phase.
摘要翻译：基于产生对应于转子的不同位置的多个传感器信号的多个传感器驱动马达的马达驱动控制器; 包括第一相位检测器，用于将多个传感器信号中的相应一个与来自相同传感器的成对传感器信号进行比较，以检测转子的相位，并输出表示第一检测相位的第一相位信息信号; 相位分配器，用于将由第一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，用于在所述多个预定相位间隔中从所述多个传感器中选择相应的多个传感器信号之一; 以及第二相位检测器，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，并输出表示第二检测相位的第二相位信息信号。

4. 发明授权

US08860346B2 Angle detection device, motor driving device, and image forming apparatus 有权
标题翻译：角度检测装置，电机驱动装置和图像形成装置
公开(公告)号：US08860346B2
公开(公告)日：2014-10-14
申请号：US13649528
申请日：2012-10-11
申请人： Fumihiro Shimizu , Haruyuki Suzuki , Tomohiko Kamatani , Katsuhisa Furuse
发明人： Fumihiro Shimizu , Haruyuki Suzuki , Tomohiko Kamatani , Katsuhisa Furuse
IPC分类号： H02K29/08 , G01D5/245 , H02P21/14
CPC分类号： H02P21/146 , G01D5/2451 , H02P21/18
摘要： Disclosed is an angle detection device including plural sensors that output corresponding sinusoidal signals, wherein each of the sinusoidal signals varies sinusoidally depending on a rotational angle of a rotor of a motor, and each of the sinusoidal signals has a phase that depends on a position of the corresponding sensor; a vector generating unit that generates a vector represented by a result of mutually operating at least two of the sinusoidal signals; a vector rotation unit that rotates the vector by operating the vector and reference sine waves having corresponding phases; and an angle search unit that causes the vector rotation unit to sequentially rotate the vector until a phase of the vector becomes a predetermined phase, and that detects an angle between the vector prior to being rotated and the predetermined phase as the rotational angle of the rotor of the motor.
摘要翻译：公开了一种角度检测装置，其包括输出相应的正弦信号的多个传感器，其中每个正弦信号根据电动机的转子的旋转角正弦变化，并且每个正弦信号具有取决于相应的传感器; 矢量产生单元，其生成由相互操作所述正弦信号中的至少两个的结果表示的矢量; 矢量旋转单元，其通过操作具有相应相位的矢量和参考正弦波来旋转矢量; 以及角度搜索单元，其使所述向量旋转单元顺序旋转所述向量，直到所述向量的相位变为预定相位，并且检测所述向量在旋转之前的角度与所述预定相位之间的角度作为所述转子的旋转角度的电机。

5. 发明申请

US20130106327A1 MOTOR DRIVE CONTROLLER AND CONTROL METHOD 有权
标题翻译：电机驱动控制器和控制方法
公开(公告)号：US20130106327A1
公开(公告)日：2013-05-02
申请号：US13658119
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller to drive a motor, based on multiple sensors that generates multiple sensor signals corresponding to different positions of the rotor; including a first phase detector to compare a respective one of the multiple sensor signals with a paired sensor signal from the same sensor to detect phases of the rotor, and output a first phase information signal representing a first detected phase; a phase divider to divide the phases, detected by the first phase detector into multiple predetermined phase intervals; a signal selector to select one of the respective multiple sensor signals from the multiple sensors in the multiple predetermined phase interval; and a second 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 second phase information signal representing a second detected phase.
摘要翻译：基于产生对应于转子的不同位置的多个传感器信号的多个传感器驱动马达的马达驱动控制器; 包括第一相位检测器，用于将多个传感器信号中的相应一个与来自相同传感器的成对传感器信号进行比较，以检测转子的相位，并输出表示第一检测相位的第一相位信息信号; 相位分配器，用于将由第一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，用于在所述多个预定相位间隔中从所述多个传感器中选择相应的多个传感器信号之一; 以及第二相位检测器，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，并输出表示第二检测相位的第二相位信息信号。

6. 发明授权

US10135374B2 Permanent magnet motor, position estimating device, and motor driving controlling device 有权
公开(公告)号：US10135374B2
公开(公告)日：2018-11-20
申请号：US15222134
申请日：2016-07-28
申请人： Fumihiro Shimizu , Takashi Hashimoto , Hiroshi Koide
发明人： Fumihiro Shimizu , Takashi Hashimoto , Hiroshi Koide
IPC分类号： H02K37/10 , H02P21/18 , H02K21/14 , H02K21/16 , H02K1/27 , H02K1/24
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.

7. 发明授权

US08258731B2 Apparatus and method for starting motor 有权
标题翻译：马达起动装置及方法
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
CPC分类号： H02P1/52 , H02P6/21
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。

8. 发明授权

US08405329B2 Motor drive controller and image forming apparatus incorporating the motor drive controller 有权
标题翻译：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。

9. 发明申请

US20100117576A1 Motor driver 有权
标题翻译：电机驱动器
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。

10. 发明授权

US10024688B2 Angle detection device and angle detection method 有权
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
IPC分类号： G06F19/00 , G01D3/036 , G01D5/14
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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