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1. 发明授权

EP2907727B1 DEVICE FOR DETECTING PHYSICAL QUANTITIES AND ELECTROMOTIVE POWER STEERING DEVICE USING SAME 失效
标题翻译：用于检测物理量的装置和使用该装置的电动动力转向装置
公开(公告)号：EP2907727B1
公开(公告)日：2017-05-31
申请号：EP13846141.3
申请日：2013-10-09
申请人： NSK Ltd.
发明人： FUKUNAGA, Masanao , ENDO, Shuji , AOSAKI, Yoshihiro
IPC分类号： B62D5/04 , B62D6/00 , G08C19/22 , G08C25/00 , B62D101/00 , B62D119/00
CPC分类号： B62D5/0463 , B62D5/049 , G01L5/221 , G08C25/00 , H04Q9/00 , H04Q2209/823 , H04Q2209/86

2. 发明公开

EP3885698A1 CALIBRATION METHOD FOR ROTATION ANGLE CALCULATION DEVICE, CALIBRATION DEVICE FOR ROTATION ANGLE CALCULATION DEVICE, ROTATION ANGLE CALCULATION DEVICE, MOTOR CONTROL EQUIPMENT, ELECTRIC ACTUATOR PRODUCT, AND ELECTRIC POWER STEERING APPARATUS 有权
公开(公告)号：EP3885698A1
公开(公告)日：2021-09-29
申请号：EP20891414.3
申请日：2020-12-16
申请人： NSK Ltd.
发明人： NISHIOKA, Yusuke , AOSAKI, Yoshihiro , YAMAMURA, Hiroyuki
IPC分类号： G01B7/30 , G01D5/244 , G01D5/245
摘要： A calibration method in which, a rotation angle calculation device (20, 30) calculates (S2) a rotation angle θc based on a detection signal of a sensor, transmits (S3) rotation angle data Dc indicating the rotation angle θc to a calibration device (40), and transmits (S3) time difference data Dt relating to a time difference after having captured the detection signal until transmitting the rotation angle data to the calibration device, and in which the calibration device measures (S1) a rotation angle θr, clocks (S1, S4) a measurement time tm at which the rotation angle θr is measured and a transmission time tt of transmitting or receiving the rotation angle data, and acquires (S5, S6) calibration data Dc of the rotation angle data by comparing the rotation angle θr measured at a time tc2 obtained by going back in time from the transmission time tt by the time difference after having captured the detection signal until transmitting the rotation angle data and the rotation angle data Da with each other.

4. 发明公开

EP3964790A1 ROTATION ANGLE SENSOR, ELECTRIC POWER STEERING DEVICE, AND PRODUCTION METHOD FOR ROTATION ANGLE SENSOR 有权
公开(公告)号：EP3964790A1
公开(公告)日：2022-03-09
申请号：EP20916243.7
申请日：2020-12-21
申请人： NSK Ltd.
发明人： AOSAKI, Yoshihiro , YAMAMURA, Hiroyuki , NISHIOKA, Yusuke
IPC分类号： G01B7/30 , G01D5/245
摘要： A rotation angle sensor including: a magnet (10) fixed to an end (5) on an opposite side to an output end (4) of a rotation shaft (3) of a motor (2); a circuit board (11) on which a plurality of magnetic resistance sensor elements (20, 21) are mounted; and a support member (12) fixed to the motor (2), wherein the circuit board (11) is arranged between the support member (12) fixed to the motor (2) and the motor (2) and is fixed to the support member (12) in such a way that the plurality of magnetic resistance sensor elements (20, 21) come close to the magnet (10).

5. 发明公开

EP3012966A1 MOTOR CONTROL DEVICE, AND ELECTRIC POWER STEERING DEVICE AND A VEHICLE WHICH USE SAME 有权
标题翻译：摩托车运动员沃尔夫·威廉·艾克斯
公开(公告)号：EP3012966A1
公开(公告)日：2016-04-27
申请号：EP13887221.3
申请日：2013-12-13
申请人： NSK Ltd.
发明人： KIKUCHI, Yusuke , HORIKOSHI, Atsushi , OZAKI, Satoshi , AOSAKI, Yoshihiro , SENBA, Takeshi , KOIWAI, Hisayoshi , SHINOHARA, Shigeo , MORI, Kenji , OKUTANI, Masahiro , SEKINE, Takaaki
IPC分类号： H02P27/06 , B62D5/04 , H02M7/48 , H02P6/04 , H02P6/06 , H02P6/08 , H02P6/12
摘要： To make it possible to continuously control driving of a multi-phase electric motor even if an open failure or a short circuit failure occurs in a multi-phase inverter circuit driving the electric motor. A motor control apparatus includes a motor current shutoff unit inserted between a multi-phase inverter circuit and the multi-phase electric motor to shut off a current for each of plural phases, the multi-phase inverter circuit including an arm driving the multi-phase electric motor for each of the plural phases, a redundant arm unit including one or more arms whose number is less than the number of the plural phases of the multi-phase inverter circuit, a connection selecting unit selecting which one of windings of the multi-phase electric motor is to be connected to each of the one or more arms of the redundant arm unit, an abnormal arm detection unit detecting an abnormality in each of the plural phases of the multi-phase inverter circuit, and an abnormality control unit controlling the motor current shutoff unit to shut off connection between an abnormal arm and the multi-phase electric motor when the abnormal arm detection unit detects the abnormal arm, and to control the connection selecting unit to connect at least one of the one or more arms of the redundant arm unit to a winding of the multi-phase electric motor, the winding is shut off by the motor current shutoff unit.
摘要翻译：即使在驱动电动机的多相逆变器电路中发生开路故障或短路故障，也可以连续地控制多相电动机的驱动。电动机控制装置包括插入在多相逆变器电路和多相电动机之间的电动机电流切断装置，以切断多相的电流，多相逆变电路包括驱动多相的臂电动机，包括多个数量少于多相逆变器电路的多相数量的一个或多个臂的冗余臂单元，连接选择单元，选择多相逆变器电路的绕组中的哪一个，要连接到冗余臂单元的一个或多个臂中的每一个，异常臂检测单元检测多相逆变器电路的多个相中的异常，异常控制单元控制电动机电流关闭单元，当异常臂检测单元检测到异常臂时，切断异常臂与多相电动机之间的连接，并且控制连接在选择单元将冗余臂单元的一个或多个臂中的至少一个连接到多相电动机的绕组上时，由电动机电流关闭单元切断绕组。

6. 发明公开

EP3957547A1 DETECTION SIGNAL CORRECTION METHOD, MOTOR CONTROL DEVICE, AND ELECTRIC POWER STEERING DEVICE 有权
公开(公告)号：EP3957547A1
公开(公告)日：2022-02-23
申请号：EP20891422.6
申请日：2020-12-21
申请人： NSK Ltd.
发明人： NISHIOKA, Yusuke , AOSAKI, Yoshihiro , YAMAMURA, Hiroyuki
IPC分类号： B62D5/04 , B62D15/02 , H02P6/16 , H02P6/17
摘要： A detection signal correction method includes: calculating (S1) a rotation angle of a rotation shaft of a motor (10), based on a detection signal of a sensor (20); calculating (S2) a steering velocity of a steering shaft based on the rotation angle; calculating (S5) an error of the detection signal; and correcting (S7, S9) the error of the detection signals when the steering velocity is equal to or greater than a steering velocity threshold value and the error of the detection signal is equal to or greater than an error threshold value.

7. 发明公开

EP2907727A1 DEVICE FOR DETECTING PHYSICAL QUANTITIES AND ELECTROMOTIVE POWER STEERING DEVICE USING SAME 失效
标题翻译：设备为物理尺寸检测和电动机的动力转向装置
公开(公告)号：EP2907727A1
公开(公告)日：2015-08-19
申请号：EP13846141.3
申请日：2013-10-09
申请人： NSK Ltd.
发明人： FUKUNAGA, Masanao , ENDO, Shuji , AOSAKI, Yoshihiro
IPC分类号： B62D5/04 , B62D6/00 , G08C19/22 , G08C25/00 , B62D101/00 , B62D119/00
CPC分类号： B62D5/0463 , B62D5/049 , G01L5/221 , G08C25/00 , H04Q9/00 , H04Q2209/823 , H04Q2209/86
摘要： A physical quantity detecting device that can determine abnormality of a signal transmission system between a physical quantity detector and a controller and an electric power steering apparatus using the physical quantity detecting device are provided.. The physical quantity detecting device includes a physical quantity detector (3) configured to detect a physical quantity and to output a physical quantity detection signal and a controller (31) configured to receive the physical quantity outputted from the physical quantity detector via a transmission line and to perform a control operation on the basis of the physical quantity. The physical quantity detector (3) outputs a diagnostic signal for detecting abnormality of a transmission system between the controller and the physical quantity detector and the controller (31) includes an abnormality determining unit (31a) configured to determine abnormality of the transmission system on the basis of the diagnostic signal when receiving the diagnostic signal.
摘要翻译：一种物理量检测装置确实可提供的物理量检测器以及使用所述物理量检测装置的控制器和电动助力转向装置之间的信号传输系统的确定性矿井异常。该物理量检测装置包括：物理量检测器（3 ），配置成检测物理量并输出物理量检测信号和被配置成经由传输线以接收所述物理量从所述物理量检测器的输出和所述物理量的基础上执行控制操作的控制器（31），物理量检测器（3）输出用于检测所述控制器和所述物理量检测器和控制器（31）之间的传输系统的异常的诊断信号包括在被配置为传输系统的上确定性矿异常异常确定性挖掘单元（31A）诊断信号的基础。当接收到诊断信号。

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