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1. 发明申请

US20070000717A1 Controller for electric power steering device 有权
标题翻译：电动助力转向装置控制器
公开(公告)号：US20070000717A1
公开(公告)日：2007-01-04
申请号：US10569625
申请日：2004-08-26
申请人： Kazuhiro Kumaido , Yuusuke Itakura , Yuho Aoki , Nobuhiro Kubo
发明人： Kazuhiro Kumaido , Yuusuke Itakura , Yuho Aoki , Nobuhiro Kubo
IPC分类号： B62D5/04
CPC分类号： B62D5/0481 , B62D5/049
摘要： The present invention provides a controller of an electric power steering device which does not apply an uncomfortable feeling to a operation of steering wheel while securing a fault determination confirming period enough long to prevent an erroneous detection of a torque sensor fault, and can secure a safety operation of steering wheel, even in the case that an output value of a torque sensor detecting a steering torque of a steering wheel becomes abnormal.
摘要翻译：本发明提供一种电动助力转向装置的控制装置，其不会对方向盘的操作施加不舒适的感觉，同时确保故障确定确认期足够长以防止扭矩传感器故障的错误检测，并且可以确保安全即使在检测到方向盘的转向转矩的转矩传感器的输出值变得异常的情况下也能够进行方向盘的动作。

2. 发明授权

US07363136B2 Controller of electric power steering apparatus 有权
标题翻译：电动助力转向装置控制器
公开(公告)号：US07363136B2
公开(公告)日：2008-04-22
申请号：US11449604
申请日：2006-06-09
申请人： Kazuhiro Kumaido , Yuho Aoki
发明人： Kazuhiro Kumaido , Yuho Aoki
IPC分类号： B62D5/04
CPC分类号： B62D5/0493 , B62D5/0481
摘要： An initial abnormality analysis data is reliably retained by a controller of an electric power steering apparatus. The controller of the electric power steering apparatus is constituted by comprising abnormality detection device for detecting the abnormality of a steering assist control mechanism comprising an electric motor giving a steering assist force to a steering system and abnormality data storage device for storing abnormality analysis data in storage device when the abnormality of the steering assist control mechanism is detected by this abnormality detection device, wherein the storage device comprises a plurality of overwrite prohibition storage areas for prohibiting rig the overwrite of the abnormality analysis data and a plurality of overwrite allowable storage areas for overwriting and storing the abnormality analysis data, and wherein the abnormality data storage device stores the abnormality of the steering assist control mechanism detected by the abnormality detection device in the overwrite prohibition storage area when the abnormality is a first abnormality analysis data, and stores the abnormality in the overwrite allowable storage area when the abnormality is the abnormality analysis data subsequent to the second time.
摘要翻译：初始异常分析数据由电动助力转向装置的控制器可靠地保持。电动助力转向装置的控制装置由包括用于检测转向辅助控制机构的异常的异常检测装置构成，所述异常检测装置包括向转向系统提供转向辅助力的电动机和用于存储存储异常分析数据的异常数据存储装置所述异常检测装置检测到所述转向辅助控制机构的异常时，所述存储装置具有多个用于禁止所述异常分析数据的覆盖的重写禁止存储区域和用于覆盖的多个覆盖允许存储区域并且存储异常分析数据，并且其中异常数据存储装置在异常是第一异常分析数据时将由异常检测装置检测到的转向辅助控制机构的异常存储在重写禁止存储区域中，并且sto 当异常是第二次之后的异常分析数据时，解除覆盖允许存储区域中的异常。

3. 发明授权

US07559405B2 Controller for electric power steering device 有权
标题翻译：电动助力转向装置控制器
公开(公告)号：US07559405B2
公开(公告)日：2009-07-14
申请号：US10569625
申请日：2004-08-26
申请人： Kazuhiro Kumaido , Yusuke Itakura , Yuho Aoki , Nobuhiro Kubo
发明人： Kazuhiro Kumaido , Yusuke Itakura , Yuho Aoki , Nobuhiro Kubo
IPC分类号： B62D5/04
CPC分类号： B62D5/0481 , B62D5/049
摘要： The present invention provides a controller of an electric power steering device which does not apply an uncomfortable feeling to a operation of steering wheel while securing a fault determination confirming period enough long to prevent an erroneous detection of a torque sensor fault, and can secure a safety operation of steering wheel, even in the case that an output value of a torque sensor detecting a steering torque of a steering wheel becomes abnormal.
摘要翻译：本发明提供一种电动助力转向装置的控制装置，其不会对方向盘的操作施加不舒适的感觉，同时确保故障确定确认期足够长以防止扭矩传感器故障的错误检测，并且可以确保安全即使在检测到方向盘的转向转矩的转矩传感器的输出值变得异常的情况下也能够进行方向盘的动作。

4. 发明申请

US20060282565A1 Controller of electric power steering apparatus 有权
标题翻译：电动助力转向装置控制器
公开(公告)号：US20060282565A1
公开(公告)日：2006-12-14
申请号：US11449604
申请日：2006-06-09
申请人： Kazuhiro Kumaido , Yuho Aoki
发明人： Kazuhiro Kumaido , Yuho Aoki
IPC分类号： G06F3/00
CPC分类号： B62D5/0493 , B62D5/0481
摘要： An initial abnormality analysis data is reliably retained by a controller of an electric power steering apparatus. The controller of the electric power steering apparatus is constituted by comprising abnormality detection means for detecting the abnormality of a steering assist control mechanism comprising an electric motor giving a steering assist force to a steering system and abnormality data storage means for storing abnormality analysis data in storage means when the abnormality of the steering assist control mechanism is detected by this abnormality detection means, wherein the storage means comprises a plurality of overwrite prohibition storage areas for prohibiting the overwrite of the abnormality analysis data and a plurality of overwrite allowable storage areas for overwriting and storing the abnormality analysis data, and wherein the abnormality data storage means stores the abnormality of the steering assist control mechanism detected by the abnormality detection means in the overwrite prohibition storage area when the abnormality is a first abnormality analysis data, and stores the abnormality in the overwrite allowable storage area when the abnormality is the abnormality analysis data subsequent to the second time.
摘要翻译：初始异常分析数据由电动助力转向装置的控制器可靠地保持。电动助力转向装置的控制器包括：异常检测装置，用于检测包括向转向系统提供转向辅助力的电动机的转向辅助控制机构的异常;异常数据存储装置，用于存储存储异常分析数据的异常数据存储装置意味着当该异常检测装置检测到转向辅助控制机构的异常时，其中存储装置包括用于禁止重写异常分析数据的多个重写禁止存储区域和用于重写的多个重写允许存储区域，存储异常分析数据，并且其中异常数据存储装置在异常是第一异常分析数据时将由异常检测装置检测到的转向辅助控制机构的异常存储在重写禁止存储区域中，并且存储异常当异常是第二次之后的异常分析数据时，在重写允许存储区域中的异常。

5. 发明申请

US20060181819A1 Electric power steering device 有权
标题翻译：电动助力转向装置
公开(公告)号：US20060181819A1
公开(公告)日：2006-08-17
申请号：US11339653
申请日：2006-01-25
申请人： Yasuhide Nomura , Hirokazu Abe , Kazuhiro Kumaido
发明人： Yasuhide Nomura , Hirokazu Abe , Kazuhiro Kumaido
IPC分类号： H02H7/08
CPC分类号： B62D5/0487 , B62D5/0496
摘要： An electric power steering device comprising a control unit capable of distinguishing a failure of a motor current detection device caused by a change in power voltage, an oxide film formed on the commutator of a motor or the contact point of a relay, etc. from a failure of the motor current detection device itself and judging a failure of the motor current detection device accurately. A motor current is sampled during which a predetermined constant voltage is supplied to the motor, and the detected motor current value is compared with a motor current estimated value to judge the failure of the motor current detection device.
摘要翻译：一种电动助力转向装置，包括：控制单元，其能够区分由电力电压变化引起的电动机电流检测装置的故障，形成在电动机的换向器上的氧化膜或继电器的接触点等电机电流检测装置本身故障，电机电流检测装置故障判断准确。对电动机电流进行采样，向电动机提供预定的恒定电压，并将所检测的电动机电流值与电动机电流估计值进行比较，以判断电动机电流检测装置的故障。

6. 发明授权

US07049773B2 Electric power steering apparatus 有权
公开(公告)号：US07049773B2
公开(公告)日：2006-05-23
申请号：US11192077
申请日：2005-07-29
申请人： Yasushi Miyazawa , Toru Sakaguchi , Kazuhiro Kumaido , Masayuki Aoki
发明人： Yasushi Miyazawa , Toru Sakaguchi , Kazuhiro Kumaido , Masayuki Aoki
IPC分类号： H02P7/00
CPC分类号： B62D5/049
摘要： An object of the present invention is to provide an electric power steering apparatus that can detect failure of a current detector quickly and with less misdetection using torque oscillation from a torque sensor. When the number of times N an absolute value of a differential value of a torque command value Tref exceeds a predetermined threshold value dTq in a predetermined time Tmr has reached a predetermined number Nref it is judged that the current detector has failed.

7. 发明授权

US07157874B2 Electric power steering device 有权
标题翻译：电动助力转向装置
公开(公告)号：US07157874B2
公开(公告)日：2007-01-02
申请号：US11339653
申请日：2006-01-25
申请人： Yasuhide Nomura , Hirokazu Abe , Kazuhiro Kumaido
发明人： Yasuhide Nomura , Hirokazu Abe , Kazuhiro Kumaido
IPC分类号： H02P7/00 , B62D6/00
CPC分类号： B62D5/0487 , B62D5/0496
摘要： An electric power steering device comprising a control unit capable of distinguishing a failure of a motor current detection device caused by a change in power voltage, an oxide film formed on the commutator of a motor or the contact point of a relay, etc. from a failure of the motor current detection device itself and judging a failure of the motor current detection device accurately. A motor current is sampled during which a predetermined constant voltage is supplied to the motor, and the detected motor current value is compared with a motor current estimated value to judge the failure of the motor current detection device.
摘要翻译：一种电动助力转向装置，包括：控制单元，其能够区分由电力电压变化引起的电动机电流检测装置的故障，形成在电动机的换向器上的氧化膜或继电器的接触点等电机电流检测装置本身故障，电机电流检测装置故障判断准确。对电动机电流进行采样，向电动机提供预定的恒定电压，并将所检测的电动机电流值与电动机电流估计值进行比较，以判断电动机电流检测装置的故障。

8. 发明申请

US20060022627A1 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US20060022627A1
公开(公告)日：2006-02-02
申请号：US11192077
申请日：2005-07-29
申请人： Yasushi Miyazawa , Toru Sakaguchi , Kazuhiro Kumaido , Masayuki Aoki
发明人： Yasushi Miyazawa , Toru Sakaguchi , Kazuhiro Kumaido , Masayuki Aoki
IPC分类号： H02P7/00
CPC分类号： B62D5/049
摘要： An object of the present invention is to provide an electric power steering apparatus that can detect failure of a current detector quickly and with less misdetection using torque oscillation from a torque sensor. When the number of times N an absolute value of a differential value of a torque command value Tref exceeds a predetermined threshold value dTq in a predetermined time Tmr has reached a predetermined number Nref it is judged that the current detector has failed.
摘要翻译：本发明的目的是提供一种电动助力转向装置，其可以使用来自转矩传感器的转矩振动来快速检测电流检测器的故障并且以较少的误差检测。当在预定时间Tmr中转矩指令值Tref的差分值的绝对值超过预定阈值dTq的次数N已经达到预定数量Nref时，判断为电流检测器已经失败。

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