专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 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.

2. 发明授权

US08288978B2 Motor driver 有权
标题翻译：电机驱动器
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。

3. 发明授权

US06573625B2 Motor device having water-proof brush holder 有权
标题翻译：电机装置具有防水刷架
公开(公告)号：US06573625B2
公开(公告)日：2003-06-03
申请号：US09818623
申请日：2001-03-28
申请人： Fumihiro Shimizu , Hiroaki Yamamoto , Katsuhiko Torii , Kenji Kashima , Kengo Yamamura
发明人： Fumihiro Shimizu , Hiroaki Yamamoto , Katsuhiko Torii , Kenji Kashima , Kengo Yamamura
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。

4. 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.

5. 发明申请

US20150009517A1 ROTATION-ANGLE DETECTION DEVICE AND METHOD, AND IMAGE PROCESSING APPARATUS 审中-公开
标题翻译：旋转角度检测装置和方法以及图像处理装置
公开(公告)号：US20150009517A1
公开(公告)日：2015-01-08
申请号：US14315614
申请日：2014-06-26
申请人： Fumihiro SHIMIZU
发明人： Fumihiro SHIMIZU
IPC分类号： G01B7/30 , H04N1/00
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.
摘要翻译：根据本发明的实施例，用于检测转子的旋转角度的旋转角检测装置包括：多个旋转检测器，其输出随转子的旋转角度而变化的检测信号; 旋转计算器，通过旋转由检测信号表示的向量来输出旋转矢量; 振幅检测器，其通过使用预定的目标幅度对表示所述旋转矢量的信号中的至少一个进行计算来输出指示所述检测信号的振幅的振幅信号; 驱动力调节器，其通过根据所述振幅信号改变施加到所述旋转检测器的驱动功率来调整所述检测信号的幅度; 校正器，其基于振幅信号校正幅度，并输出校正的检测信号; 以及旋转角度检测器，其基于校正的检测信号来检测转子的旋转角度。

6. 发明申请

US20140365167A1 ANGLE DETECTION DEVICE AND ANGLE DETECTION METHOD 审中-公开
标题翻译：角度检测装置和角度检测方法
公开(公告)号：US20140365167A1
公开(公告)日：2014-12-11
申请号：US14288799
申请日：2014-05-28
申请人： Fumihiro SHIMIZU
发明人： Fumihiro SHIMIZU
IPC分类号： G01B7/30
CPC分类号： G01D5/145 , G01B5/24 , G01B7/30 , G01D3/02 , G06F17/40 , G06F19/00
摘要： An angle detection device includes a vector generating unit that generates a vector based on the sine wave signals output by a plurality of sensors, a vector rotating unit that rotate the vector based on the vector and reference sine waves with different phases, a sign determining unit that determines whether the rotated vector is located in a positive direction or in a negative direction with respect to a predetermined reference angle and outputs a result of determination as a sign determination signal, and an angle counter that increments or decrements a count value of angular data of a predetermined bit length based on the sign determination signal, and outputs the count value as angular data. A deadband with a predetermined reference angle as a center is provided for a process performed by the sign determining unit to determine one of the positive direction and the negative direction.
摘要翻译：一种角度检测装置，包括：矢量生成部，其基于由多个传感器输出的正弦波信号生成矢量;矢量旋转单元，其基于矢量旋转矢量;以及矢量旋转单元，其以不同的相位旋转矢量和参考正弦波;符号确定单元决定旋转矢量是否相对于预定参考角位于正方向或负方向，并将确定结果输出为符号确定信号，以及角度计数器，其增加或减少角度数据的计数值基于所述符号确定信号预定的位长度，并将所述计数值作为角度数据输出。提供具有预定参考角度为中心的死区，用于由符号确定单元执行的处理以确定正方向和负方向中的一个。

7. 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。

8. 发明申请

US20130099708A1 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：US20130099708A1
公开(公告)日：2013-04-25
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： H02P6/16 , G01B7/30
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。

9. 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。

10. 发明授权

US10133223B2 Angle estimator, motor controller, motor driver, motor driving system, image forming apparatus, and conveyance device 有权
公开(公告)号：US10133223B2
公开(公告)日：2018-11-20
申请号：US15623718
申请日：2017-06-15
申请人： Fumihiro Shimizu , Norihiro Yamamoto
发明人： Fumihiro Shimizu , Norihiro Yamamoto
IPC分类号： H02P6/18 , G03G15/00 , H02P21/18
摘要： An angle estimator includes correction means for correcting a phase of an error parameter to obtain a corrected error parameter and estimation means for calculating an estimated speed and an estimated angle of the motor based on the corrected error parameter. The error parameter is a function of an angle error representing a difference between an actual angle and an estimated angle of a motor.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式