-
公开(公告)号：US09618113B2
公开(公告)日：2017-04-11
申请号：US14546500
申请日：2014-11-18
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida
CPC分类号： F16H61/28 , F16H63/3425 , F16H2061/247 , F16H2061/283 , F16H2061/2861
摘要： A SBW-ECU switches over a shift range to a selected range by rotationally driving a motor to a target position corresponding to the selected range. When a direction of rotation of the motor is the same as a direction toward the target position and a difference between the target position and a present position is larger than a threshold value in a case that the selected range is changed during rotational driving of the motor, the target position is updated to a post-change target position. When the direction of rotation of the motor is opposite to the direction toward the target position or the difference between the target position and the present position is smaller than the threshold value in the case that the selected range is changed during rotational driving of the motor, the target position is updated to the post-change target position after completing the switchover to the pre-change selected range.
-
公开(公告)号：US09417617B2
公开(公告)日：2016-08-16
申请号：US14559175
申请日：2014-12-03
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida , Haruki Matsuzaki
IPC分类号： G05B11/01 , G05B19/048 , F16H61/12 , F16H61/32 , G06N99/00
CPC分类号： G05B19/048 , F16H61/12 , F16H61/32 , F16H2061/1208 , F16H2061/1216 , G06N99/005 , H02P29/0241 , H02P29/032
摘要： A control apparatus controlling a motor for driving an object includes: switching devices in multiple phases, each of which allows and interrupts energization to a corresponding winding of the motor; a controller for the switching devices; a current detecting circuit for a current flowing through each winding and each switching device; a current limit circuit limiting the current to match to a current limiting value; a standard position learning device learning a standard position of the motor such that the current limit circuit limits the current, and the motor rotates until the object stops at a limit position of a movable range; a rotation angle change amount detecting device detecting a change amount of a rotation angle of the object; and an error determination device determining that the current detecting circuit malfunctions when the change amount is out of a predetermined range, and the object changes between first and second states.
摘要翻译： 控制用于驱动物体的电动机的控制装置包括：多相开关装置，其中每一个允许和中断对电动机的相应绕组的通电; 开关装置的控制器; 用于流过每个绕组和每个开关装置的电流的电流检测电路; 限制电流以匹配电流限制值的限流电路; 学习电动机的标准位置的标准位置学习装置，使得电流限制电路限制电流，并且电动机旋转直到物体在可移动范围的极限位置停止; 旋转角度变化量检测装置，检测物体的旋转角度的变化量; 以及误差判定装置，其判定当所述变化量超出预定范围时所述电流检测电路发生故障，并且所述对象在第一和第二状态之间变化。
-
公开(公告)号：US09683661B2
公开(公告)日：2017-06-20
申请号：US14805724
申请日：2015-07-22
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida
CPC分类号： F16H63/48 , F16H2061/326
摘要： A shift-by-wire system, including a controller that includes a motor driver, and a microcomputer connected to the motor driver to control a motor that drives a control object. The control object has a park lock mechanism having a lock state and an unlock state. The lock state and the unlock state are switched according to an operation position of the control object. The controller is configured to estimate a tilt of a vehicle, detect whether the lock mechanism is in the lock state or in the unlock state, and adjust a target rotation speed of the motor according to the estimated tilt when the operation position of the control object is changed for switching the lock state to the unlock state.
-
公开(公告)号：US09442468B2
公开(公告)日：2016-09-13
申请号：US14559284
申请日：2014-12-03
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida , Jun Yamada
CPC分类号： G05B13/0265 , G06N99/005 , H02P25/00 , H02P29/0241
摘要： A control apparatus controlling a motor for driving an object includes: a relay allowing and interrupting electric power supply to the motor; switching devices in multiple phases for allowing and interrupting energization to windings; a controller for the relay and the switching devices; a current detecting circuit for a current flowing through a merging point of the windings and the switching devices; a current limit circuit for keeping an average of the current within a predetermined range; a standard position learning device for learning a standard position of the motor; a voltage detecting circuit for detecting a voltage applied to each switching device; and an error detecting device for detecting an error in the current detecting circuit based on the voltage and the current when the relay turns on, and all switching devices turn off.
摘要翻译： 控制用于驱动物体的电动机的控制装置包括：允许和中断向电动机供电的继电器; 用于允许和中断绕组通电的多相开关器件; 用于继电器和开关装置的控制器; 用于流过绕组和开关装置的汇合点的电流的电流检测电路; 电流限制电路，用于将电流的平均值保持在预定范围内; 用于学习电动机的标准位置的标准位置学习装置; 用于检测施加到每个开关装置的电压的电压检测电路; 以及误差检测装置，用于基于继电器接通时的电压和电流来检测电流检测电路中的误差，并且所有开关装置关闭。
-
公开(公告)号：US09166520B2
公开(公告)日：2015-10-20
申请号：US14149369
申请日：2014-01-07
申请人： DENSO CORPORATION
发明人： Hiromitsu Nagata , Jun Yamada , Kazuhiro Yoshida
CPC分类号： H02P31/00 , F16H59/08 , F16H61/32 , F16H2061/247 , F16H2061/283 , F16H2061/326 , H02P17/00
摘要： A range switching device may switch a shift range despite resetting and restarting of a controller. When the controller is reset and restarted during a switching operation of the shift range and the shift range before or after being switched is a P range, the controller controls a motor to rotate the motor until a range switching mechanism abuts against a first limit position of a movable range of the range switching mechanism and learns a rotation position of the motor as a reference position of the motor. When the shift ranges before and after being switched are the ranges other that the P range, the controller controls the motor to rotate until the range switching mechanism abuts against a second limit position of the movable range and learns the rotation position of the motor as the reference position.
摘要翻译： 尽管控制器的复位和重新启动，量程切换装置可以切换换档范围。 当控制器在变速范围的切换操作期间被复位并重启时，切换前后的换档范围是P档时，控制器控制马达使马达旋转，直到范围切换机构抵住第一极限位置 范围切换机构的可移动范围，并且学习马达的旋转位置作为马达的参考位置。 当切换前后的移动范围是P范围以外的范围时，控制器控制马达旋转直到范围切换机构抵靠可移动范围的第二极限位置，并且将马达的旋转位置学习为 参考位置。
-
公开(公告)号：US09806664B2
公开(公告)日：2017-10-31
申请号：US13947567
申请日：2013-07-22
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida , Jun Yamada , Masaaki Shinojima
CPC分类号： H02P31/00 , F16H61/32 , F16H2061/0053 , F16H2061/247 , F16H2061/326 , G06N99/005
摘要： When electric power supply is started, an initial driving operation is performed to switch over a power supply phase of a motor in open-loop control. Initial learning processing is performed to learn a phase deviation correction value for the power supply phase relative to a count value of a pulse signal of an encoder. As a restraint caused by a shape of a detent mechanism, the motor need be rotationally driven so that a detent lever does not move in a negative direction beyond a bottom position of a P-range in the initial driving operation. In a case of performing the initial learning processing in the P-range in consideration of this restraint, the initial learning processing is performed by setting a rotation direction of the motor.
-
公开(公告)号：US09304506B2
公开(公告)日：2016-04-05
申请号：US14078659
申请日：2013-11-13
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida , Jun Yamada
CPC分类号： G05B19/39 , F16H61/32 , F16H2061/283 , F16H2061/326 , G05B2219/42095
摘要： A range switching device provides a feedback control for rotating a motor toward a target rotation position. When a target shift range is switched, the range switching device rotates the motor toward a target rotation position by sequentially switching power supply phases of the motor based on an encoder count value. When the motor rotates within a predetermined stop range, the feedback control ends and a power supply to the motor is stopped. However, if the motor has not rotated to the target rotation position after a predetermined time has elapsed from the stopping of the power supply to the motor, an open drive is performed, in which the power supply phase of the motor is sequentially switched by open-loop control and the motor is rotated in small and/or minute steps toward the target rotation position. In such manner, position accuracy of the shift range switching is improved.
摘要翻译： 范围切换装置提供用于使马达朝向目标旋转位置旋转的反馈控制。 当切换目标变速范围时，通过根据编码器计数值依次切换电动机的电源相位，使变频器转动到目标转动位置。 当电动机在预定的停止范围内旋转时，反馈控制结束并停止对电动机的供电。 然而，如果在从停止供电到电动机的预定时间过去之后电动机没有转动到目标转动位置，则开启驱动器，其中马达的电源相位依次切换 循环控制，并且电机以小和/或微小步骤朝向目标旋转位置旋转。 以这种方式，改变了换档范围切换的位置精度。
-
公开(公告)号：US09671014B2
公开(公告)日：2017-06-06
申请号：US14559144
申请日：2014-12-03
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida
CPC分类号： F16H61/12 , F16H2061/1208 , G06N99/005
摘要： A control apparatus controlling a motor for driving an object to switch a shift range of a transmission includes: switching devices for energization to windings of the motor; a controller for the switching devices; a current detecting circuit for a current in the windings and the switching device; a current limit circuit keeping an average of the current within a predetermined range; a standard position learning device of the motor at a learning range such that the current limit circuit limits the current, and the motor rotates until the object stops at a limit position of a movable range; a shift range determination device; and an error determination device determining that the current detecting circuit or the current limit circuit malfunctions when the object does not reach the limit position, the shift range is in a non-learning range, and the standard position learning device starts to learn the standard position.
-
公开(公告)号：US09541192B2
公开(公告)日：2017-01-10
申请号：US14551366
申请日：2014-11-24
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida , Jun Yamada
CPC分类号： F16H61/32 , B60W50/00 , F16H61/12 , F16H2061/1268 , F16H2061/326 , H02P6/14
摘要： A motor control apparatus includes a by-wire control circuit for sequentially switching an energized phase of a motor. The by-wire control circuit pre-stores a first table defining an energized phase address corresponding to each address and a second table defining an energized phase corresponding to each energized phase address. When receiving a drive permission code from a second control circuit, the by-wire control circuit switches the energized phase in a correct order of driving the motor, by calculating an address for access to the first table based on the drive permission code, calculating an energized phase address corresponding to the address by referring to the first table, and determining the energized phase corresponding to the energized phase address by referring to the second table.
摘要翻译： 电动机控制装置包括用于顺序地切换电动机的通电相位的绕线控制电路。 线控制电路预先存储定义与每个地址对应的通电相位地址的第一表，以及定义对应于每个通电阶段地址的通电阶段的第二表。 当从第二控制电路接收到驱动器许可代码时，旁线控制电路通过基于驱动许可代码计算用于访问第一表的地址来切换驱动马达的正确顺序的通电相位， 通过参照第一表与地址相对应的通电相位地址，并参照第二表确定与激励相位地址对应的通电相位。
-
公开(公告)号：US09847746B2
公开(公告)日：2017-12-19
申请号：US15237907
申请日：2016-08-16
申请人： DENSO CORPORATION
发明人： Kazuhiro Yoshida , Seiji Nakayama
CPC分类号： H02P23/20 , F16H61/28 , F16H2061/2823 , H02P25/08 , H02P27/06
摘要： A motor control device is provided with a control circuit and a driving circuit. The control circuit switches over a current supply phase of the motor in a predetermined angular rotation of the rotor a first switching number of times in an acceleration range. The control circuit switches over the current supply phase of the motor in the predetermined angular rotation of the rotor a second switching number of times in a stationary rotation range in a specific condition that the rotation speed of the rotor is between a predetermined first threshold value and a predetermined second threshold value. The control circuit sets the second switching number to be smaller than the first switching number. In the acceleration range, the switching number is relatively large and hence a sufficient driving torque is applied to the rotor. In the stationary rotation range, the switching number is relatively small and hence the control circuit 61 needs to operate less, a current supply period for the motor is shortened and heat generation is suppressed.
-
-
-
-
-
-
-
-
-
搜索结果
12 条记录 (耗时 0.017 秒)
