专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06874594B2 Controller for electric power steering system 有权
标题翻译：电动助力转向系统控制器
公开(公告)号：US06874594B2
公开(公告)日：2005-04-05
申请号：US10264007
申请日：2002-10-02
申请人： Yusuke Itakura , Hisayoshi Koiwai
发明人： Yusuke Itakura , Hisayoshi Koiwai
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D119/00 , B62D137/00
CPC分类号： B62D5/0457 , B62D5/0481
摘要： To provide a controller for an electric power steering system capable of balancing a steering assist force by correcting an offset and improving the steering feeling. A controller for an electric power steering system having motor driving means for driving a motor for electric power steering and motor current detecting means for detecting a current running through the motor is used in which the motor-driving means realizes a motor stop state in which no current runs through the motor under a non-energized state, uses a motor current detection signal under the motor stop state as the offset value of the motor current detecting means, and automatically corrects the offset of the motor current detecting means in accordance with the offset value.
摘要翻译：提供能够通过校正偏移平衡转向辅助力并改善转向感觉的电动助力转向系统的控制器。一种电动助力转向系统的控制装置，具有用于驱动用于电动助力转向的电动机的电动机驱动装置和用于检测通过电动机的电流的电动机电流检测装置，其中电动机构驱动装置实现电动机停止状态，其中不存在电流在非通电状态下通过电动机，在电动机停止状态下使用电动机电流检测信号作为电动机电流检测装置的偏移值，并根据偏移量自动校正电动机电流检测装置的偏移值。

2. 发明授权

US06837331B2 Electric power steering device 有权
标题翻译：电动助力转向装置
公开(公告)号：US06837331B2
公开(公告)日：2005-01-04
申请号：US10773892
申请日：2004-02-06
申请人： Hideaki Kawada , Hisayoshi Koiwai , Yusuke Itakura , Yasuhiko Miyaura
发明人： Hideaki Kawada , Hisayoshi Koiwai , Yusuke Itakura , Yasuhiko Miyaura
IPC分类号： B62D5/04
CPC分类号： B62D5/049
摘要： An electric power steering device enabled to surely detect a fault of its motor current detector circuit by avoiding the disturbance by an electrically insulated oxide film formed on the contact surface between the commutator and the brush of the motor. An ignition key is turned on, then the motor applied voltage is increased with time to break the oxide film so that the motor current flows normally. The estimated motor current is then compared with the detected motor current. When the absolute value of the difference between those estimated motor current and detected motor currents is over a predetermined limit value, it is determined that the motor current detection circuit is defective. It is also possible to break the oxide film by integrating each difference between the motor current command value and the detected motor current value, thereby increasing the current control value step by step and increase voltage applied to the motor.
摘要翻译：一种电动助力转向装置，其能够通过避免由形成在电动机的换向器和电刷之间的接触表面上的电绝缘氧化膜的干扰来确定地检测其电动机电流检测器电路的故障。点火钥匙打开，电机施加的电压随时间增加，破坏氧化膜，使电机电流正常流动。然后将估计的电动机电流与检测到的电动机电流进行比较。当这些估计电动机电流和检测到的电动机电流之间的差的绝对值超过预定极限值时，确定电动机电流检测电路有缺陷。也可以通过积分电动机电流指令值和检测到的电动机电流值之间的每个差异来破坏氧化膜，从而逐步增加电流控制值并增加施加到电动机的电压。

3. 发明授权

US06658333B2 Control apparatus of power steering device 有权
公开(公告)号：US06658333B2
公开(公告)日：2003-12-02
申请号：US10060292
申请日：2002-02-01
申请人： Hideaki Kawada , Yusuke Itakura , Yasuhiko Miyaura , Shuji Endo , Hisayoshi Koiwai
发明人： Hideaki Kawada , Yusuke Itakura , Yasuhiko Miyaura , Shuji Endo , Hisayoshi Koiwai
IPC分类号： B62D504
CPC分类号： B62D5/0484 , B62D5/049
摘要： A control apparatus of power steering device having functions of monitoring intermediate troubles such as offset or drift out of signal troubles of torque sensor, and limiting the current for limiting the assist function is presented. In a control apparatus of power steering device for controlling a motor on the basis of a current control value calculated from a steering assist command value calculated by calculating means on the basis of a steering torque generated on a steering shaft, and a current value of a motor for applying a steering assist force to a steering mechanism, wherein the difference of a main torque signal and a sub torque signal of a torque sensor for detecting the steering torque is stored preliminarily, and the difference of the main torque signal and the sub torque signal during operation is compared with the stored value, and at least the current control value is limited when the difference based on the comparison is a condition larger than a first prescribed value and continues for a time longer than a first prescribed time.

4. 发明申请

US20090071745A1 CONTROL UNIT FOR ELECTRIC POWER STEERING APPARATUS 审中-公开
标题翻译：电力转向装置控制单元
公开(公告)号：US20090071745A1
公开(公告)日：2009-03-19
申请号：US11915073
申请日：2006-05-19
申请人： Yusuke Itakura , Nobuyuki Kobayashi , Tomonori Hisanaga , Osamu Miyoshi , Shinji Kanai
发明人： Yusuke Itakura , Nobuyuki Kobayashi , Tomonori Hisanaga , Osamu Miyoshi , Shinji Kanai
IPC分类号： B62D5/04
CPC分类号： B62D5/046 , B62D5/0481 , H02P29/032
摘要： The present invention provides a high-performance control unit for an electric power steering apparatus structured such as to improve a steering feeling at a time of a control stop of the control apparatus by calculating a steering torque correction short-amount without stopping a function of a motor control signal monitoring means and applying an electromagnetic brake to the motor in correspondence to the steering torque correction short-amount even in the case of stopping a motor control during generation of a steering assist torque, lighten a load applied to a driver due to a rapid release of a tire torsion force at a time of stopping the assist, and prevent a driver from feeling an uncomfortable feeling.
摘要翻译：本发明提供一种用于电动助力转向装置的高性能控制单元，该电动助力转向装置构造成通过计算转向转矩校正短量来改善控制装置的控制停止时的转向感，而不停止电动机控制信号监视装置，并且即使在转向辅助转矩的产生期间停止电动机控制的情况下，也可以对应于转向转矩校正短的量向电动机施加电磁制动，减轻由于在停止辅助时快速释放轮胎扭转力，并且防止驾驶员感到不适感。

5. 发明授权

US06808043B2 Electric power steering device 失效
公开(公告)号：US06808043B2
公开(公告)日：2004-10-26
申请号：US10349894
申请日：2003-01-23
申请人： Hideaki Kawada , Yusuke Itakura , Yasuhiko Miyaura
发明人： Hideaki Kawada , Yusuke Itakura , Yasuhiko Miyaura
IPC分类号： B62D504
CPC分类号： B62D5/049
摘要： An electric power steering device enabled to surely detect a fault of its motor current detector circuit by avoiding the disturbance by an electrically insulated oxide film formed on the contact surface between the commutator and the brush of the motor. An ignition key is turned on, then the motor applied voltage is increased with time to break the oxide film so that the motor current flows normally. The estimated motor current is then compared with the detected motor current. When the absolute value of the difference between those estimated motor current and detected motor currents is over a predetermined limit value, it is determined that the motor current detection circuit is defective. It is also possible to break the oxide film by integrating each difference between the motor current command value and the detected motor current value, thereby increasing the current control value step by step and increase voltage applied to the motor.

6. 发明授权

US06381528B1 Control unit for electric power steering apparatus 失效
公开(公告)号：US06381528B1
公开(公告)日：2002-04-30
申请号：US09928427
申请日：2001-08-14
申请人： Hideaki Kawada , Yusuke Itakura , Toru Sakaguchi
发明人： Hideaki Kawada , Yusuke Itakura , Toru Sakaguchi
IPC分类号： G06F700
CPC分类号： B62D5/0493
摘要： There is provided a control unit for an electric power steering apparatus that controls a motor for giving steering assist force to a steering mechanism, based on a current control value calculated from a steering assist command value calculated based on the steering torque generated in the steering shaft, and a current value of the motor. The control unit has a first controller and a second controller for controlling the motor. Based on a current command value calculated by the second controller, the second controller monitors the first controller that controls the driving of the motor based on the steering assist command value calculated by the first controller. When the first controller is in a status not controlling the steering assist command value, the function of the second controller for monitoring the first controller is limited.

7. 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。

8. 发明申请

US20070068727A1 Electric power steering control device 审中-公开
标题翻译：电动助力转向控制装置
公开(公告)号：US20070068727A1
公开(公告)日：2007-03-29
申请号：US11527555
申请日：2006-09-27
申请人： Tomohiro Miura , Masahiro Maeda , Yusuke Itakura
发明人： Tomohiro Miura , Masahiro Maeda , Yusuke Itakura
IPC分类号： B62D5/04
CPC分类号： B62D5/046
摘要： Generation of a steering assist force is allowed to continue by securing an appropriate control power without being affected by the fluctuation of a battery voltage. An electric power steering control device comprising steering torque detection means 17 for detecting a steering torque, an electric motor 5 allowed to generate a steering assist force for a steering system, and steering assist control means 3 for controlling the electric motor based on the steering torque detected by the steering torque detection means 17 comprises a control power generating circuit 20 for stepping up a battery voltage of an in-vehicle battery 1 to generate a control power and supplying the generated control power at least to the steering assist control means 3.
摘要翻译：通过确保适当的控制功率而不受电池电压的波动的影响，允许转向辅助力的产生。一种电动助力转向控制装置，包括用于检测转向转矩的转向转矩检测装置17，允许产生转向系统的转向辅助力的电动机5和用于基于转向转矩来控制电动机的转向辅助控制装置3 由转向转矩检测装置17检测的控制电力发生电路20包括用于升高车载电池1的电池电压以产生控制电力并且至少将转换辅助控制装置3提供所生成的控制电力的控制电力产生电路20。

9. 发明授权

US07091684B2 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US07091684B2
公开(公告)日：2006-08-15
申请号：US11191995
申请日：2005-07-29
申请人： Hideyuki Kobayashi , Yusuke Itakura
发明人： Hideyuki Kobayashi , Yusuke Itakura
IPC分类号： H02P7/00
CPC分类号： B62D5/046 , B62D5/0484 , B62D5/049
摘要： An object of the present invention is to provide an electric power steering apparatus which can continue control even if some of current detectors that detect phase currents of a three-phase motor break down. Phase currents of the failure current detectors are calculated by using detected signals from the normal current detectors, and the electric power steering apparatus can be continued to be controlled by using the current values.
摘要翻译：本发明的目的是提供一种能够继续控制的电动助力转向装置，即使检测到三相电动机的相电流的一些电流检测器分解。通过使用来自正常电流检测器的检测信号来计算故障电流检测器的相电流，并且可以通过使用电流值继续控制电动转向装置。

10. 发明申请

US20060022626A1 Electric power steering apparatus 有权
公开(公告)号：US20060022626A1
公开(公告)日：2006-02-02
申请号：US11191995
申请日：2005-07-29
申请人： Hideyuki Kobayashi , Yusuke Itakura
发明人： Hideyuki Kobayashi , Yusuke Itakura
IPC分类号： H02P7/00
CPC分类号： B62D5/046 , B62D5/0484 , B62D5/049
摘要： An object of the present invention is to provide an electric power steering apparatus which can continue control even if some of current detectors that detect phase currents of a three-phase motor break down. Phase currents of the failure current detectors are calculated by using detected signals from the normal current detectors, and the electric power steering apparatus can be continued to be controlled by using the current values.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式