公开(公告)号：US20080230300A1

公开(公告)日：2008-09-25

申请号：US10575205

申请日：2005-12-01

申请人： Kazuo Hara ,  Takaaki Eguchi

发明人： Kazuo Hara ,  Takaaki Eguchi

IPC分类号： B62D5/00

CPC分类号： B62D6/008

摘要： A vehicle steering control device is provided that suppresses changes in the steering force accompanying the shock transmitted from the road surface during the steering wheel return operation. The vehicle steering device is a steer-by-wire steering device where a steering wheel receiving the steering input which is transmitted electronically to the steering unit which turns steered road wheels of the vehicle. The steering reaction force correction (Gf×F) corresponding to road surface reaction force F is applied to the steering wheel. The device includes a turn/return sensor that senses turn/return of the steering wheel, and during return of steering wheel, road surface reaction force feedback gain Gf is made smaller than the initial turning.

摘要翻译： 提供一种车辆转向控制装置，其抑制伴随着在方向盘返回操作期间从路面传递的冲击的转向力的变化。 车辆转向装置是转向转向装置，其中方向盘接收转向输入，该转向输入被电子地传送到转向车辆的转向车轮的转向单元。 对应于路面反作用力F的转向反作用力校正（GfxF）被施加到方向盘。 该装置包括感测方向盘的转向/返回的转向/返回传感器，并且在方向盘返回期间，路面反作用力反馈增益Gf小于初始转动。

公开(公告)号：US07290840B2

公开(公告)日：2007-11-06

申请号：US11389156

申请日：2006-03-27

申请人： Hiroshi Tsunehara ,  Hideto Murakami ,  Takaaki Eguchi ,  Masanori Hara

发明人： Hiroshi Tsunehara ,  Hideto Murakami ,  Takaaki Eguchi ,  Masanori Hara

IPC分类号： B60T13/18

CPC分类号： B60T8/4081 ,  B60L7/26 ,  B60T1/10 ,  B60T8/267 ,  B60T8/348 ,  B60T8/4072 ,  B60T8/442 ,  B60T13/585 ,  B60T13/66 ,  B60T2270/602 ,  B60T2270/603 ,  B60T2270/608 ,  B60T2270/613

摘要： A brake system for a vehicle is comprised of a first brake system that mechanically applies a braking force to wheels according to a master cylinder hydraulic pressure outputted from a master cylinder which receives a brake manipulation force of a driver, and a second brake system that apply a braking force to other wheels according to at least a braking state of the first brake system.

摘要翻译： 一种用于车辆的制动系统包括：第一制动系统，其根据接收驾驶员的制动器操作力的主缸输出的主缸液压机械地施加制动力;以及第二制动系统，其应用 根据至少第一制动系统的制动状态对其它车轮产生制动力。

公开(公告)号：US20060169519A1

公开(公告)日：2006-08-03

申请号：US11318910

申请日：2005-12-27

申请人： Tetsuya Osonoi ,  Takaaki Eguchi ,  Naotaka Chino

发明人： Tetsuya Osonoi ,  Takaaki Eguchi ,  Naotaka Chino

IPC分类号： B62D5/00

CPC分类号： B62D1/163 ,  B62D5/003 ,  B62D5/0481

摘要： A vehicle steering apparatus with improved safety securely detects whether or not a backup system is operable and comprises a steering shaft connected to the steering wheel; a reaction actuator connected to the steering shaft for adding a reaction force; a rack for steering a steered wheel; a steering actuator provided on the rack; a backup mechanism for connecting the steering shaft and the rack via a clutch, a first detection means or mechanism for detecting the condition of the steering shaft, a second detection means or mechanism for detecting the condition of the rack, and a backup operation monitoring means or mechanism for driving the steering actuator when the power source is energized, the backup operation monitoring means or mechanism selectively monitoring the operation of the backup mechanism based on the value detected by the first detection means or mechanism or the second detection means or mechanism or both.

公开(公告)号：US5412571A

公开(公告)日：1995-05-02

申请号：US281114

申请日：1994-07-28

申请人： Takaaki Eguchi ,  Hiroshi Mouri

发明人： Takaaki Eguchi ,  Hiroshi Mouri

IPC分类号： B62D6/00 ,  B62D7/14 ,  B62D7/15 ,  B62D101/00 ,  B62D109/00 ,  B62D111/00 ,  B62D113/00 ,  B62D127/00 ,  B60G17/06 ,  B62D5/06

CPC分类号： B62D7/159

摘要： A four-wheel steering apparatus for use with a motor vehicle supported on a pair of front wheels and a pair of rear wheels. The apparatus comprises a control unit for steering the front wheels to provide a front wheel auxiliary steer angle satisfying the following equation: ##EQU1## where .theta..sub.(s) is a Laplace transform of the front wheel steer angle and .delta..sub.f(s) is a Laplace transform of the front wheel auxiliary steer angle, S is a Laplacian, and K, .tau..sub.1, .tau..sub.2, T.sub.1 and T.sub.2 are constants inherent on the motor vehicle and for steering the rear wheels to provide a rear wheel auxiliary steer angle satisfying the following equation: ##EQU2## where .theta..sub.(s) is a Laplace transform of the front wheel steer angle, .delta..sub.r(s) is a Laplace transform of the rear wheel auxiliary steer angle, and K', .tau..sub.1 ', .tau..sub.2 ', T.sub.1 ' and T.sub.2 ' are constants inherent on the motor vehicle.

摘要翻译： 一种用于与支撑在一对前轮和一对后轮上的机动车辆一起使用的四轮转向装置。 该装置包括用于转向前轮以提供满足以下等式的前轮辅助转向角的控制单元：其中θ（s）是前轮转向角的拉普拉斯变换，Δf（s）是 前轮辅助转向角的拉普拉斯变换，S是拉普拉斯算子，K，tau 1，tau 2，T1和T2是机动车辆固有的常数和用于转向后轮的常数，以提供满足以下条件的后轮辅助转向角 以下等式：其中theta（s）是前轮转向角的拉普拉斯变换，Δr（s）是后轮辅助转向角的拉普拉斯变换，K'，τ1'，τ2' ，T1'和T2'是汽车固有的常数。

公开(公告)号：US5283740A

公开(公告)日：1994-02-01

申请号：US816898

申请日：1992-01-03

申请人： Hiroyuki Sato ,  Takaaki Eguchi ,  Yasuki Ishikawa

发明人： Hiroyuki Sato ,  Takaaki Eguchi ,  Yasuki Ishikawa

IPC分类号： B62D6/02 ,  B60G17/0185 ,  B62D6/00 ,  B62D7/14 ,  B62D7/15 ,  B62D15/02 ,  B62D101/00 ,  B62D113/00 ,  B62D137/00 ,  B62D5/00

CPC分类号： B62D7/159 ,  B60G17/0185 ,  B62D15/02 ,  B60G2400/204 ,  B60G2400/412 ,  B60G2600/08

摘要： An apparatus for use with a vehicle dynamic characteristic control system employing a vehicle speed sensor, a steering handle position sensor and a steering handle neutral position sensor to control the dynamic characteristics of an automotive vehicle. The vehicle speed sensor is sensitive to vehicle speed for producing a vehicle speed signal indicative of a sensed vehicle speed. The steering handle position sensor is sensitive to steering handle position for producing a steering handle position signal indicative of a sensed steering handle position. The steering handle neutral position sensor is sensitive to steering handle position for producing a steering handle neutral position signal having a first level when the sensed steering handle position is in a predetermined neutral range and a second level when the sensed steering handle position is out of the predetermined neutral range. A steering handle neutral position is estimated based upon the steering handle position signal and the steering handle neutral position signal. A steering angle, which corresponds to an absolute value of a difference of the sensed steering handle position from the estimated steering handle neutral position, is calculated. A failure signal is produced to indicate that at least one of the steering handle position sensor and the steering handle neutral position sensor is subject to failure when the calculated steering angle is equal to or greater than a predetermined value and when the vehicle speed is held above a predetermined value normal for vehicle running in an urban area for a predetermined interval of about 60 seconds.

摘要翻译： 一种用于使用车辆速度传感器的车辆动态特性控制系统，转向手柄位置传感器和用于控制机动车辆的动态特性的转向手柄中立位置传感器的装置。 车速传感器对车速敏感，用于产生指示感测车速的车速信号。 转向手柄位置传感器对转向手柄位置敏感，用于产生指示感测到的转向手柄位置的转向手柄位置信号。 转向手柄中立位置传感器对转向手柄位置敏感，用于当感测到的转向手柄位置处于预定的中立范围时产生具有第一水平的转向手柄中立位置信号，当感测到的转向手柄位置处于 预定中性范围。 基于转向手柄位置信号和转向手柄中立位置信号来估计转向手柄中立位置。 计算对应于感测到的转向手柄位置与估计的转向手柄中立位置的差的绝对值的转向角度。 产生故障信号，以表示当计算出的转向角度等于或大于预定值时，转向手柄位置传感器和转向手柄中立位置传感器中的至少一个会发生故障，并且当车速保持在高于 以约60秒的预定间隔在市区行驶的车辆的预定值正常。

公开(公告)号：US5282135A

公开(公告)日：1994-01-25

申请号：US816896

申请日：1992-01-03

申请人： Hiroyuki Sato ,  Takaaki Eguchi ,  Yasuki Ishikawa

发明人： Hiroyuki Sato ,  Takaaki Eguchi ,  Yasuki Ishikawa

IPC分类号： B62D6/02 ,  B60G17/0185 ,  B62D15/00 ,  B62D15/02 ,  G01B7/30 ,  B62D5/00

CPC分类号： B62D15/02 ,  B60G17/0185 ,  B60G2400/41 ,  B60G2600/08

摘要： An apparatus for use with a vehicle dynamic characteristic control system employing a steering handle position sensor and a steering handle neutral position sensor to control the dynamic characteristics of an automotive vehicle. The steering handle position sensor is sensitive to steering handle position for producing a steering handle position signal indicative of a sensed steering handle position. The steering handle neutral position sensor is sensitive to steering handle position for producing a steering handle neutral position signal having a first level when the sensed steering handle position is in a predetermined neutral range and a second level when the sensed steering handle position is out of the predetermined neutral range. A first signal is produced when the steering handle position signal indicates the sensed steering handle position being out of a predetermined range including the neutral range. A second signal is produced when the steering wheel neutral position signal is at the first level. A failure signal is produced to indicate that the steering handle position sensor is subject to failure in the presence of both of the first and second signals.

摘要翻译： 一种用于车辆动态特性控制系统的装置，其采用转向手柄位置传感器和转向手柄中立位置传感器来控制机动车辆的动态特性。 转向手柄位置传感器对转向手柄位置敏感，用于产生指示感测到的转向手柄位置的转向手柄位置信号。 转向手柄中立位置传感器对转向手柄位置敏感，用于当感测到的转向手柄位置处于预定的中间范围时产生具有第一水平的转向手柄中立位置信号，当感测到的转向手柄位置在 预定中性范围。 当转向手柄位置信号指示感测到的转向手柄位置在包括中立范围的预定范围之外时，产生第一信号。 当方向盘中立位置信号处于第一级时产生第二信号。 产生故障信号以指示转向手柄位置传感器在存在第一和第二信号两者的情况下经历故障。

公开(公告)号：US5150764A

公开(公告)日：1992-09-29

申请号：US593269

申请日：1990-10-01

申请人： Takaaki Eguchi ,  Yuzo Sakita

发明人： Takaaki Eguchi ,  Yuzo Sakita

IPC分类号： B62D7/14 ,  B62D7/15

CPC分类号： B62D7/159 ,  B62D7/1572

摘要： A vehicle rear wheel steering control system includes a steering actuator for varying an actual rear wheel steer angle in accordance with a control signal, a steering input sensor, and a controller for producing the control signal in accordance with the steering input. The controller has a first functional section for determining a first desired rear wheel steer angle so as to obtain a flat characteristic of a yaw rate gain with respect to a steering frequency, a second functional section for determining a second desired rear wheel steer angle in accordance with a steering acceleration, and a third functional section for adding the second desired rear wheel steer angle to the first desired rear wheel steer angle.

公开(公告)号：US5048627A

公开(公告)日：1991-09-17

申请号：US375629

申请日：1989-07-05

申请人： Takaaki Eguchi ,  Norimasa Nakamura

发明人： Takaaki Eguchi ,  Norimasa Nakamura

IPC分类号： B62D7/14

CPC分类号： B62D7/148

摘要： A fail-safe vehicle rear wheel steering control system includes a hydraulic actuator for steering the rear wheels, an electromagnetic control valve for controlling fluid pressure of the actuator in accordance with a control signal, and a controller for controlling the rear wheel steer angle by producing the control signal. This fail-safe control system is characterized by a fail-safe cutoff valve disposed between the actuator and the control valve, and a fail-safe controller independent from the main controller. When the main controller or the control valve fails, the fail-safe controller brings the fail-safe valve to a closed position, and therefore, the fail-safe valve prevents an abrupt change of the rear wheel steer angle, and instead gradually allows a decrease of the rear wheel steer angle to zero by allowing a gradual leakage of the oil under pressure from the actuator.

公开(公告)号：US20100138112A1

公开(公告)日：2010-06-03

申请号：US12668305

申请日：2008-07-31

申请人： Taku Suzuki ,  Takaaki Eguchi ,  Yuwun Chai ,  Hiroyuki Yoshizawa ,  Yukinori Nishida

发明人： Taku Suzuki ,  Takaaki Eguchi ,  Yuwun Chai ,  Hiroyuki Yoshizawa ,  Yukinori Nishida

IPC分类号： G06F19/00

CPC分类号： B62D6/008 ,  B62D6/002 ,  B62D6/003 ,  B62D15/025

摘要： Under an automatic turning control, a steering controller defines a value of steering angle set according to a target turning angle of the automatic turning control, as a value of steering angle at which a reaction force is equal to 0. Thereby, the steering controller controls a steering reaction force on the basis of a difference between an actual steering angle and the value of steering angle at which the reaction force is equal to 0.

摘要翻译： 在自动转向控制下，转向控制器根据自动转向控制的目标转向角定义转向角的值作为反作用力等于0的转向角的值。由此，转向控制器控制 基于实际转向角与反作用力等于0的转向角值之差的转向反作用力。

公开(公告)号：US07708108B2

公开(公告)日：2010-05-04

申请号：US11702597

申请日：2007-02-06

申请人： Shogo Miyasaka ,  Noriki Kubokawa ,  Takaaki Eguchi

发明人： Shogo Miyasaka ,  Noriki Kubokawa ,  Takaaki Eguchi

IPC分类号： B52D5/00

CPC分类号： B62D5/003 ,  B62D5/001 ,  B62D5/0481

摘要： A vehicle steering control apparatus has a steering wheel, a steering mechanism mechanically separate from the steering wheel for steering the left and right front wheels and a reaction force motor for imparting an operation reaction force against the steering wheel. A steering motor is provided to impart a turning force to the steering mechanism, while a clutch is provided to mechanically connect and disconnect the steering wheel to and from the steering mechanism. A drive torque detector is provided to detect a drive torque imparted to the steering reaction force actuator. A torque sensor is provided to detect an operating torque imparted to the steering wheel. A clutch connection determiner determines that the clutch is in a connected state when a drive torque direction detected by the drive torque detector and an operating torque direction detected by the operating torque detector are different.

摘要翻译： 车辆转向控制装置具有方向盘，与用于转向左右前轮的方向盘机械分离的转向机构和用于向操舵轮施加操作反作用力的反作用力马达。 设置转向马达以向转向机构施加转动力，同时提供离合器以将方向盘机械地连接和转向与转向机构的连接和断开。 提供驱动力矩检测器来检测施加到转向反作用力致动器的驱动转矩。 提供扭矩传感器以检测施加到方向盘的操作扭矩。 当由驱动转矩检测器检测到的驱动转矩方向和由操作转矩检测器检测到的操作转矩方向不同时，离合器连接确定器确定离合器处于连接状态。