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1. 发明授权

US10063167B2 Motor drive controller and method for controlling motor 有权
公开(公告)号：US10063167B2
公开(公告)日：2018-08-28
申请号：US15070565
申请日：2016-03-15
申请人： MINEBEA CO., LTD.
发明人： Hiroyuki Kaidu , Toshihiro Tamitsuji
IPC分类号： H02P23/12 , H02P7/00 , H02P6/182 , H02P6/15
CPC分类号： H02P6/182 , H02P6/157
摘要： A motor drive controller includes: an advance-angle reference voltage generator that generates an advance-angle reference voltage; a back electromotive voltage comparator that generates phase signals of phases at a cross timing of the advance-angle reference voltage and back electromotive voltages of phases of a motor; and a controller that operates to perform a process including: detecting a rotation speed of the motor based on the phase signals of the phases; increasing the advance-angle reference voltage when the rotation speed moves from a high speed to a low speed; and decreasing the advance-angle reference voltage when the rotation speed moves from a low speed to a high speed.

2. 发明申请

US20180083557A1 MOTOR DRIVE DEVICE AND MOTOR SYSTEM 审中-公开
公开(公告)号：US20180083557A1
公开(公告)日：2018-03-22
申请号：US15674685
申请日：2017-08-11
申请人： Renesas Electronics Corporation
发明人： Minoru KUROSAWA , Kichiya ITAGAKI , Yusuke YASUMA
IPC分类号： H02P6/10 , H02P6/15 , G11B19/20
CPC分类号： H02P6/10 , G11B19/2009 , G11B19/28 , H02P6/157 , H02P6/182
摘要： There are provided a motor drive device and a motor system that can reduce the torque ripple of a motor. An SPM drive unit includes a plurality of high side transistors and low side transistors coupled to drive terminals of multiple phases respectively, and applies drive voltages to the drive terminals, using a PWM signal. A back electromotive force voltage phase detection unit detects each of back electromotive force voltage phases of the multiple phases. A drive voltage phase generation unit determines one of drive voltage phases in each of the multiple phases at the time of applying the drive voltages so that each of drive current phases of the multiple phases has a phase variation opposite in direction and equal to each of relative phase variations of the back electromotive force voltage phases of the multiple phases.

3. 发明授权

US09917540B2 Mutual inductance voltage offset compensation for brushless DC sensorless motors 有权
公开(公告)号：US09917540B2
公开(公告)日：2018-03-13
申请号：US14937248
申请日：2015-11-10
申请人： STMicroelectronics S.r.l.
发明人： Michele Boscolo Berto , Siro Vittoni
IPC分类号： H02P6/14 , H02P6/18 , H02P6/182 , H02P6/185 , H02P6/15 , H02K1/34 , H02K3/04
CPC分类号： H02P6/182 , H02P6/157 , H02P6/185
摘要： A control circuit controls the operation of a brushless DC (BLDC) sensorless motor having a first terminal connected to a first winding, a second terminal connected to a second winding and a third terminal connected to a third winding. A driver circuit applies drive signals to the first and second terminals and places the third terminal in a high-impedance state. The drive signals include first drive signals at a first current amplitude and second drive signals at a second current amplitude different from the first current amplitude. A differencing circuit senses a first mutual inductance voltage at the third terminal in response to the first drive signals and senses a second mutual inductance voltage at the third terminal in response to the second drive signals. The differencing circuit further determines a difference between the first and second mutual inductance voltages and produces a difference signal that is used for zero-crossing detection and rotor position sensing.

4. 发明申请

US20170353133A1 DEVICE AND METHOD FOR SENSING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, CONTROLLER, SENSOR SYSTEM FOR DETECTING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, AND HOUSEHOLD APPLIANCE 审中-公开
公开(公告)号：US20170353133A1
公开(公告)日：2017-12-07
申请号：US15607538
申请日：2017-05-29
申请人： Miele & Cie. KG
发明人： Maximilian Exner , Frank Evertzberg , Florian Schacht , Johann Banmann
IPC分类号： H02P8/08 , H02P21/12 , H02P6/15 , D06F58/28 , D06F33/02
CPC分类号： H02P8/08 , D06F33/02 , D06F58/28 , G01D5/2415 , H02P6/157 , H02P21/12 , H03K17/975 , H03K2217/94073
摘要： A device for sensing a rotational position of a rotatable element for a household appliance includes: a stator having a plurality of capacitive sensor surfaces spaced apart from one another in a plane of extension of the stator; and a rotor rotatably positionable or disposed relative to the stator and having an electrically conductive section and a dielectric non-conductive section, the conductive section being larger in area than the non-conductive section, the rotor being disposed opposite the plane of extension of the stator in a rotatable condition relative to the stator, and the rotor being couplable or coupled to the rotatable element.

5. 发明授权

US09787228B2 Electrical controller for machines 有权
公开(公告)号：US09787228B2
公开(公告)日：2017-10-10
申请号：US14696566
申请日：2015-04-27
申请人： Aeristech Control Technologies Limited
发明人： Bryn Geoffrey Roddick Richards , Wenshan Hu
IPC分类号： H02P23/00 , H02P6/00 , H02K21/16 , H02P6/06 , H02P25/026 , H02P27/06 , H02K21/12 , F01N5/04 , F02B39/10 , H02P6/08 , H02P6/18 , H02P9/02 , H02P6/28 , H02P6/15 , H02P25/03 , H02K1/27
CPC分类号： H02P6/28 , F01N5/04 , F02B39/10 , H02K1/278 , H02K21/12 , H02K21/16 , H02P6/06 , H02P6/08 , H02P6/157 , H02P6/18 , H02P9/02 , H02P25/026 , H02P25/03 , H02P27/06 , H02P2201/07 , H02P2201/11
摘要： An electrical controller for electric rotating machines is provided. A control system for electric rotating machines transmits a controlled quantity of current to or from different windings of the electric rotating machine at any given time. Furthermore, the amplitude of the current is independently variable of the timing and duration of the transmission of the current to or from the windings. This allows increased control of the electric rotating machine and facilitates the operation of the electric motor at high mechanical and/or electrical speeds.

6. 发明授权

US09698712B2 Inverter apparatus 有权
公开(公告)号：US09698712B2
公开(公告)日：2017-07-04
申请号：US14812714
申请日：2015-07-29
申请人： KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
发明人： Yoshiki Nagata , Takashi Kawashima
IPC分类号： H02P6/00 , H02P6/14 , H02P29/68 , H02P29/62 , H02P29/032
CPC分类号： H02P6/157 , H02P29/032 , H02P29/62 , H02P29/68
摘要： An inverter apparatus includes an inverter circuit, a capacitor, and a control unit. In the first control mode, the control unit shifts a phase of at least one of PWM signals of three phases such that a time period during which polarities of output voltages of three phases are the same is shorter in the first control mode than the time period in the second control mode; and controls the inverter circuit so as to supply a direct current to the three-phase AC motor as a d-axis current by outputting the PWM signals of three phases, each having a phase after the phase shift processing. In the second control mode, the control unit controls the inverter circuit so as to supply an alternating current to the three-phase AC motor by outputting the PWM signals of three phases, each having a phase before the phase shift processing.

7. 发明授权

US09438150B2 Method of controlling a brushless permanent-magnet motor 有权
标题翻译：控制无刷永磁电动机的方法
公开(公告)号：US09438150B2
公开(公告)日：2016-09-06
申请号：US14304599
申请日：2014-06-13
申请人： Dyson Technology Limited
发明人： Libo Zheng , Yongji Zhou , Tuncay Celik
IPC分类号： H01R39/46 , H02P6/14 , H02P29/00
CPC分类号： H02P6/157 , H02P29/10
摘要： A method of controlling a brushless permanent-magnet motor. The method includes commutating a winding of the motor at times relative to zero-crossings of back EMF in the winding. Commutation is then advanced when the motor operates over a first speed range, and commutation is retarded when the motor operates over a second speed range higher than that of the first speed range.
摘要翻译：一种控制无刷永磁电动机的方法。该方法包括相对于绕组中反电动势的过零点的时间将电动机的绕组换向。当马达在第一速度范围内运行时，换向被提升，当马达在高于第一速度范围的第二速度范围内运行时换向延迟。

8. 发明授权

US09212602B2 Electric motor control apparatus and electric supercharging apparatus using electric motor control apparatus 有权
标题翻译：电动机控制装置和使用电动机控制装置的电动增压装置
公开(公告)号：US09212602B2
公开(公告)日：2015-12-15
申请号：US13465440
申请日：2012-05-07
申请人： Yuya Hisano , Hideyuki Tanaka , Masahiro Iezawa
发明人： Yuya Hisano , Hideyuki Tanaka , Masahiro Iezawa
IPC分类号： H02P1/46 , F02D29/06 , F02B39/10 , H02P6/14 , H02P6/18 , F02B37/10 , G11B11/105
CPC分类号： F02B39/10 , F02B37/10 , G11B11/1056 , H02P6/157 , H02P6/182
摘要： An electric motor control apparatus includes a phase correction portion that generates and outputs an amount of phase correction with which to correct a phase of a signal from a position sensor detecting a position of a magnetic pole of an electric motor. The phase correction portion generates and outputs an energization stop signal in a case where a rotation speed of the electric motor is within a predetermined range and stores an amount of phase correction generated therein according to a comparison between a signal from the position sensor or a first phase and an induced voltage of the electric motor to output the amount of phase correction.
摘要翻译：电动机控制装置包括：相位校正部，其生成并输出相位校正量，用于校正来自检测电动机的磁极位置的位置传感器的信号的相位。在电动机的转速在预定范围内的情况下，相位校正部分产生并输出通电停止信号，并根据来自位置传感器的信号或第一相和电动机的感应电压输出相位校正量。

9. 发明申请

US20140368141A1 METHOD OF CONTROLLING A BRUSHLESS PERMANENT-MAGNET MOTOR 有权
标题翻译：控制无刷永磁电机的方法
公开(公告)号：US20140368141A1
公开(公告)日：2014-12-18
申请号：US14304599
申请日：2014-06-13
申请人： Dyson Technology Limited
发明人： Libo ZHENG , Yongji ZHOU , Tuncay CELIK
IPC分类号： H02P6/14
CPC分类号： H02P6/157 , H02P29/10
摘要： A method of controlling a brushless permanent-magnet motor. The method includes commutating a winding of the motor at times relative to zero-crossings of back EMF in the winding. Commutation is then advanced when the motor operates over a first speed range, and commutation is retarded when the motor operates over a second speed range higher than that of the first speed range.
摘要翻译：一种控制无刷永磁电动机的方法。该方法包括相对于绕组中反电动势的过零点的时间将电动机的绕组换向。当马达在第一速度范围内运行时，换向被提升，当马达在高于第一速度范围的第二速度范围内运行时换向延迟。

10. 发明授权

US08836254B2 Control of an electrical machine 有权
标题翻译：电机控制
公开(公告)号：US08836254B2
公开(公告)日：2014-09-16
申请号：US13252773
申请日：2011-10-04
申请人： Hanping Dai , Yu Chen , Tuncay Celik , Libo Zheng , Yongji Zhou
发明人： Hanping Dai , Yu Chen , Tuncay Celik , Libo Zheng , Yongji Zhou
IPC分类号： H02P6/16 , H02P6/14 , H02P6/00 , H02P25/02 , H02P25/04
CPC分类号： H02P6/002 , H02P6/15 , H02P6/157 , H02P6/16 , H02P6/26 , H02P6/28 , H02P25/03 , H02P25/04
摘要： A method of controlling an electrical machine that includes selecting an edge of a rotor-position signal as a reference edge and commutating a phase winding of the electrical machine at times relative to the reference edge. The rotor-position signal has at least four edges per mechanical cycle, each of the edges being associated with a respective zero-crossing in back EMF or minimum in inductance of the phase winding. The angular position of at least one of the edges relative to its respective zero-crossing or minimum is different to that of the other edges. The reference edge is then selected from the edges such that the angular position of the reference edge relative to its respective zero-crossing or minimum is the same with each power on of the electrical machine. Additionally, a controller and control system that implement the method.
摘要翻译：一种控制电机的方法，包括选择转子位置信号的边缘作为参考边缘，并且相对于参考边缘在时间上整流电机的相绕组。转子位置信号每个机械循环具有至少四个边缘，每个边缘与反向电动势中的相应过零点或相绕组的电感中的最小值相关联。边缘中的至少一个相对于其相应过零点或最小值的角位置不同于其它边缘的角位置。然后从边缘中选择参考边缘，使得参考边缘相对于其相应的过零或最小值的角位置与电机的每个上电相同。另外，实现该方法的控制器和控制系统。

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