公开(公告)号：US20170372828A1

公开(公告)日：2017-12-28

申请号：US15625356

申请日：2017-06-16

申请人： FANUC CORPORATION

发明人： Masatomo Shirouzu

IPC分类号： H01F27/06

CPC分类号： H01F27/06 ,  H02P2201/00

摘要： A reactor capable of eliminating a heat source provided within a power cabinet housing a motor drive device. The reactor includes a tubular core, a coil installed inside the core, a terminal which is provided at an axially first end of the core and which is connected to the coil, and an attachment flange which extends radially outside of the core and which is provided between the terminal and a second end of the core.

公开(公告)号：US20120020025A1

公开(公告)日：2012-01-26

申请号：US13158926

申请日：2011-06-13

申请人： Hideyuki SOTOME

发明人： Hideyuki SOTOME

IPC分类号： H05K7/20

CPC分类号： H05K7/209 ,  H01G2/08 ,  H01G4/228 ,  H02M2001/346 ,  H02P2201/00 ,  Y02B70/1491

摘要： A cooling structure of a capacitor includes a snubber capacitor in which lead terminals are joined to external electrodes of a laminated ceramic electronic component; a circuit board which is for mounting the snubber capacitor and semiconductor switching elements; and a heat dissipation plate which is made of metal that dissipates the heat generated in the circuit board. The cooling structure of the capacitor is configured such that an insulating member having a high coefficient of thermal conductivity intervenes between the snubber capacitor and the heat dissipation plate.

摘要翻译： 电容器的冷却结构包括缓冲电容器，其中引线端子接合到层叠陶瓷电子部件的外部电极; 用于安装缓冲电容器和半导体开关元件的电路板; 以及由金属制成的散热板，其散发在电路板中产生的热量。 电容器的冷却结构被构造成使得具有高导热系数的绝缘构件介于缓冲电容器和散热板之间。

公开(公告)号：US20160140836A1

公开(公告)日：2016-05-19

申请号：US14889364

申请日：2014-05-09

申请人： MINIMAX GMBH & CO. KG

发明人： Arne STAMER

IPC分类号： G08B29/12 ,  G01R31/02

CPC分类号： G08B29/123 ,  G01R31/024 ,  H02M1/00 ,  H02P1/00 ,  H02P2201/00

摘要： A method for measuring a line resistance RL (7) and determining control line (16) faults in a hazard warning and control system. The control lines (16) connect a control device (20) to an actuator (10) using an actuation voltage UA in the case of an event and supplies the actuator (10) with a monitoring voltage UM in the case of a monitoring process using a monitoring module (21). Furthermore, the control device (20) has a constant current sink (6), which can be activated by a microcontroller (1), and a switchover device (5). In order to determine the line resistance RL (7), a constant voltage supply is provided in a measurement time interval ΔtM by an energy store (9) integrated into the monitoring module (21) and is fed back to the control device (20), and the switchover device (5) deactivates the monitoring voltage UM supply from the control device (20) to the actuator (10) during the entire measurement time interval ΔtM.

摘要翻译： 一种用于测量线路电阻RL（7）并确定危险警告和控制系统中的控制线（16）故障的方法。 在事件的情况下，控制线（16）使用致动电压UA将控制装置（20）连接到致动器（10），并且在监视过程中使用监控电压UM提供监视电压UM 监视模块（21）。 此外，控制装置（20）具有可由微控制器（1）激活的恒定电流吸收器（6）和切换装置（5）。 为了确定线路电阻RL（7），通过集成到监视模块（21）中的能量存储器（9）在测量时间间隔Dgr; tM中提供恒定电压源，并将其反馈到控制装置 20），并且切换装置（5）在整个测量时间间隔＆Dgr; tM期间使从控制装置（20）到致动器（10）的监视电压UM供应无效。

公开(公告)号：US09091566B2

公开(公告)日：2015-07-28

申请号：US13520285

申请日：2010-11-29

申请人： Manabu Tsukamoto ,  Kazuyasu Nishikawa ,  Takashi Tokunaga ,  Hideki Shimauchi ,  Yoshinori Tatenuma ,  Yuji Kawano ,  Hiroshi Kobayashi

发明人： Manabu Tsukamoto ,  Kazuyasu Nishikawa ,  Takashi Tokunaga ,  Hideki Shimauchi ,  Yoshinori Tatenuma ,  Yuji Kawano ,  Hiroshi Kobayashi

IPC分类号： G01B7/00 ,  G01D5/244 ,  H02P1/00 ,  G01R1/00 ,  G01D1/00

CPC分类号： G01D5/2448 ,  G01D1/00 ,  G01R1/00 ,  H02P1/00 ,  H02P2201/00 ,  H02P2203/00

摘要： A differential amplifier generates an offset correction signal based on a rotation detection signal from a rotation detector apparatus and an offset signal. A comparator compares the offset correction signal with a threshold voltage, and outputs a binarized signal representing the comparison result. An average value signal generator circuit generates an average value signal representing the average value of the offset correction signal. The offset signal generator circuit generates the offset signal so that the signal voltage of the average value signal has a voltage value between a threshold voltage and a threshold voltage.

摘要翻译： 差分放大器基于来自旋转检测器装置的旋转检测信号和偏移信号产生偏移校正信号。 比较器将偏移校正信号与阈值电压进行比较，并输出表示比较结果的二值化信号。 平均值信号发生器电路产生表示偏移校正信号的平均值的平均值信号。 偏移信号发生器电路产生偏移信号，使得平均值信号的信号电压具有阈值电压和阈值电压之间的电压值。

公开(公告)号：US08547698B2

公开(公告)日：2013-10-01

申请号：US13158926

申请日：2011-06-13

申请人： Hideyuki Sotome

发明人： Hideyuki Sotome

IPC分类号： H05K7/20

CPC分类号： H05K7/209 ,  H01G2/08 ,  H01G4/228 ,  H02M2001/346 ,  H02P2201/00 ,  Y02B70/1491

摘要： A cooling structure of a capacitor includes a snubber capacitor in which lead terminals are joined to external electrodes of a laminated ceramic electronic component; a circuit board which is for mounting the snubber capacitor and semiconductor switching elements; and a heat dissipation plate which is made of metal that dissipates the heat generated in the circuit board. The cooling structure of the capacitor is configured such that an insulating member having a high coefficient of thermal conductivity intervenes between the snubber capacitor and the heat dissipation plate.

摘要翻译： 电容器的冷却结构包括缓冲电容器，其中引线端子接合到层叠陶瓷电子部件的外部电极; 用于安装缓冲电容器和半导体开关元件的电路板; 以及由金属制成的散热板，其散发在电路板中产生的热量。 电容器的冷却结构被构造成使得具有高导热系数的绝缘构件介于缓冲电容器和散热板之间。

公开(公告)号：US20130002242A1

公开(公告)日：2013-01-03

申请号：US13520285

申请日：2010-11-29

申请人： Manabu Tsukamoto ,  Kazuyasu Nishikawa ,  Takashi Tokunaga ,  Hideki Shimauchi ,  Yoshinori Tatenuma ,  Yuji Kawano ,  Hiroshi Kobayashi

发明人： Manabu Tsukamoto ,  Kazuyasu Nishikawa ,  Takashi Tokunaga ,  Hideki Shimauchi ,  Yoshinori Tatenuma ,  Yuji Kawano ,  Hiroshi Kobayashi

IPC分类号： H03L5/00 ,  G01B7/30

CPC分类号： G01D5/2448 ,  G01D1/00 ,  G01R1/00 ,  H02P1/00 ,  H02P2201/00 ,  H02P2203/00

摘要： A differential amplifier generates an offset correction signal based on a rotation detection signal from a rotation detector apparatus and an offset signal. A comparator compares the offset correction signal with a threshold voltage, and outputs a binarized signal representing the comparison result. An average value signal generator circuit generates an average value signal representing the average value of the offset correction signal. The offset signal generator circuit generates the offset signal so that the signal voltage of the average value signal has a voltage value between a threshold voltage and a threshold voltage.

摘要翻译： 差分放大器基于来自旋转检测器装置的旋转检测信号和偏移信号产生偏移校正信号。 比较器将偏移校正信号与阈值电压进行比较，并输出表示比较结果的二值化信号。 平均值信号发生器电路产生表示偏移校正信号的平均值的平均值信号。 偏移信号发生器电路产生偏移信号，使得平均值信号的信号电压具有阈值电压和阈值电压之间的电压值。

公开(公告)号：US20190212733A1

公开(公告)日：2019-07-11

申请号：US16358125

申请日：2019-03-19

申请人： SZ DJI TECHNOLOGY CO., LTD.

发明人： Qiu LAN ,  Changxing ZHOU

IPC分类号： G05D1/00 ,  H02P7/06 ,  B64C39/02

CPC分类号： G05D1/0077 ,  B64C39/024 ,  B64C2201/042 ,  G05D1/0072 ,  H02P7/00 ,  H02P7/063 ,  H02P27/08 ,  H02P27/085 ,  H02P29/032 ,  H02P2201/00 ,  H02P2209/07 ,  H02P2209/11 ,  H02P2209/13

摘要： A method for driving an electric motor includes providing two controllers for driving the electric motor. The two controllers use different control methods to drive the electric motor. The method further includes selecting a first controller of the controllers as a primary controller to drive the electric motor and a second controller of the controllers as a secondary controller, monitoring a control of the electric motor, and switching the control of the electric motor from the primary controller to the secondary controller if an error condition is detected in the control of the electric motor.

公开(公告)号：US09203339B2

公开(公告)日：2015-12-01

申请号：US14003059

申请日：2012-08-07

申请人： Daisuke Sato

发明人： Daisuke Sato

IPC分类号： H02P27/04 ,  H02P29/00 ,  H02P27/08 ,  H02P6/06 ,  B60L11/12

CPC分类号： H02P29/00 ,  B60L11/12 ,  H02P6/06 ,  H02P27/08 ,  H02P2201/00 ,  Y02T10/642 ,  Y02T10/7077

摘要： A motor driving device according to the present invention includes: a PWM duty ratio detecting unit for detecting a target rotational speed based on a duty ratio of a PWM signal input from a host system; a PWM period detecting unit for detecting a period of the PWM signal; a PWM period error calculating unit for calculating an error between a PWM period output from the PWM period detecting unit and a PWM period previously set as a reference calculated by using the operational clock generator; a position detecting sensor for detecting a permanent magnet of the rotor; and an actual rotational speed calculating unit for calculating an actual rotational speed of the rotor by using a signal output from the position detecting sensor. The present motor driving device controls a speed while correcting the actual rotational speed based on the PWM period error.

摘要翻译： 根据本发明的电动机驱动装置包括：PWM占空比检测单元，用于基于从主机系统输入的PWM信号的占空比来检测目标转速; PWM周期检测单元，用于检测PWM信号的周期; PWM周期误差计算单元，用于计算从PWM周期检测单元输出的PWM周期与预先设置为通过使用操作时钟发生器计算的基准的PWM周期之间的误差; 用于检测转子的永磁体的位置检测传感器; 以及实际转速计算单元，用于通过使用从位置检测传感器输出的信号来计算转子的实际转速。 本电动机驱动装置根据PWM周期误差来校正实际转速。

公开(公告)号：US09024557B2

公开(公告)日：2015-05-05

申请号：US13716877

申请日：2012-12-17

申请人： Control Techniques Ltd

发明人： Colin Hargis

IPC分类号： H02P6/14 ,  H02P27/06 ,  H02P27/08

CPC分类号： H02P27/06 ,  H02P27/08 ,  H02P2201/00 ,  H02P2205/05

摘要： A drive system for an electrical load such as an electric motor or generator comprises a PWM converter and a controller therefore. A signal indicative of a condition of the converter outpost is used in a controller to drive an optimal value of PWM switching frequency based on a load characteristic that is used to control the pulse switching frequency. The system takes account of the overall system in deriving an efficient PWM switching frequency.

摘要翻译： 因此，用于诸如电动机或发电机的电负载的驱动系统包括PWM转换器和控制器。 在控制器中使用表示转换器前哨状态的信号，以便根据用于控制脉冲切换频率的负载特性来驱动PWM切换频率的最佳值。 该系统考虑到整体系统导出有效的PWM开关频率。

公开(公告)号：US20140001999A1

公开(公告)日：2014-01-02

申请号：US14003059

申请日：2012-08-07

申请人： Daisuke Sato

发明人： Daisuke Sato

IPC分类号： H02P29/00

CPC分类号： H02P29/00 ,  B60L11/12 ,  H02P6/06 ,  H02P27/08 ,  H02P2201/00 ,  Y02T10/642 ,  Y02T10/7077

摘要： A motor driving device according to the present invention includes: a PWM duty ratio detecting unit for detecting a target rotational speed based on a duty ratio of a PWM signal input from a host system; a PWM period detecting unit for detecting a period of the PWM signal; a PWM period error calculating unit for calculating an error between a PWM period output from the PWM period detecting unit and a PWM period previously set as a reference calculated by using the operational clock generator; a position detecting sensor for detecting a permanent magnet of the rotor; and an actual rotational speed calculating unit for calculating an actual rotational speed of the rotor by using a signal output from the position detecting sensor. The present motor driving device controls a speed while correcting the actual rotational speed based on the PWM period error.

摘要翻译： 根据本发明的电动机驱动装置包括：PWM占空比检测单元，用于基于从主机系统输入的PWM信号的占空比来检测目标转速; PWM周期检测单元，用于检测PWM信号的周期; PWM周期误差计算单元，用于计算从PWM周期检测单元输出的PWM周期与预先设置为通过使用操作时钟发生器计算的基准的PWM周期之间的误差; 用于检测转子的永磁体的位置检测传感器; 以及实际转速计算单元，用于通过使用从位置检测传感器输出的信号来计算转子的实际转速。 本电动机驱动装置根据PWM周期误差来校正实际转速。