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1. 发明专利

GB2250247A Four wheel steering system 未知
公开(公告)号：GB2250247A
公开(公告)日：1992-06-03
申请号：GB9125314
申请日：1991-11-28
申请人： HONDA MOTOR CO LTD
发明人： IZAWA MASATAKA , ABE MASARU , KAWAMOTO YOSHIMICHI , NONAGA IKUO
IPC分类号： B62D6/00 , B62D7/14 , B62D7/15 , B62D101/00 , B62D113/00 , B62D117/00
摘要： A four wheel steering system for a motor vehicle with steerable front and rear road wheels comprises a steering angle sensor 14 for detecting a front wheel steering angle through which the front road wheels are steered, a vehicle speed sensor 19 for detecting a vehicle speed of the motor vehicle, and a controller 20 for controlling the rear wheel steering mechanism to steer the rear road wheels based on the detected front wheel steering angle and the detected vehicle speed when the front road wheels are steered. The controller 20 controls the rear wheel steering mechanism to steer the rear road wheels in a direction which is opposite to the front road wheels if the detected vehicle speed is relatively low, and also controls the rear wheel steering mechanism to steer the rear road wheels in a direction which is the same as the front road wheels if the detected vehicle speed is relatively high. Furthermore, the controller controls the rear wheel steering mechanism to increase a rear wheel steering angle with which the rear road wheels are steered as the front wheel steering angle increases if a change in the front wheel steering angle is relatively small, and controls the rear wheel steering mechanism to reduce an increase in the rear wheel steering angle if a change in the front wheel steering angle is relatively large.

2. 发明专利

DE69732732T2 未知
公开(公告)号：DE69732732T2
公开(公告)日：2006-04-06
申请号：DE69732732
申请日：1997-04-07
申请人： KOYO SEIKO CO , HONDA MOTOR CO LTD
发明人： NISHIMOTO MITSUHIKO , YOSHIDA KAZUYUKI , AOKI TAKAHIRO , IZAWA MASATAKA , KAWASHIMA MITSUNORI
IPC分类号： B62D5/04 , B62D6/00 , B62D101/00 , B62D117/00 , B62D119/00 , B62D137/00
摘要： An electric power steering apparatus which quickly returns the steering wheel to the neutral position with a satisfactory steering feeling by switching a steering wheel return control for assisting the steering wheel return and a steering wheel convergence control for converging the steering wheel to the neutral position by braking a motor, according to the steering condition such as the rotational speed of the steering wheel is fast or slow when returning the steering wheel to the neutral position even when the vehicle speed is equal.

3. 发明专利

DE4139444A1 未知
公开(公告)号：DE4139444A1
公开(公告)日：1992-06-04
申请号：DE4139444
申请日：1991-11-29
申请人： HONDA MOTOR CO LTD
发明人： ABE MASARU , KAWAMOTO YOSHIMICHI , NONAGA IKUO , IZAWA MASATAKA
IPC分类号： B62D6/00 , B62D7/14 , B62D7/15 , B62D101/00 , B62D113/00 , B62D117/00

4. 发明专利

GB2208375B METHOD OF AND APPARATUS FOR CONTROLLING STEERING OPERATION OF A MOTOR VEHICLE WITH STEERABLE FRONT AND REAR WHEELS 未知
公开(公告)号：GB2208375B
公开(公告)日：1991-08-14
申请号：GB8818071
申请日：1988-07-29
申请人： HONDA MOTOR CO LTD
发明人： TSURUMIYA OSAMU , ABE MASARU , KAWAMOTO YOSHIMICHI , KOHATA TAKASHI , NONAGA IKUO , IZAWA MASATAKA
IPC分类号： B62D7/14 , B62D7/15
摘要： The steering operation of a motor vehicle with steerable front and rear road wheels is controlled by steering the rear road wheels with an actuator such as an electric motor which produces a steering force dependent on a deviation of the actual rear wheel steering angle from a target rear wheel steering angle. The rear road wheels are thus controlled with a characteristic dependent on the coefficient of friction of a road on which the motor vehicle travels and the steering speed at which the motor vehicle is steered. Typically, a steering control method comprises the steps of detecting the steering angle of the front road wheels, determining a target steering angle for the rear wheels based on the steering angle of the front road wheels, detecting the actual steering angle of the rear road wheels, calculating a steering angle deviation of the actual rear wheel steering angle from the target steering angle, determining a rear wheel steering force based on the steering angle deviation, and steering the rear road wheels to the target steering angle with the determined rear wheel steering force.

5. 发明专利

DE69732732D1 未知
公开(公告)号：DE69732732D1
公开(公告)日：2005-04-21
申请号：DE69732732
申请日：1997-04-07
申请人： KOYO SEIKO CO , HONDA MOTOR CO LTD
发明人： NISHIMOTO MITSUHIKO , YOSHIDA KAZUYUKI , AOKI TAKAHIRO , IZAWA MASATAKA , KAWASHIMA MITSUNORI
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D117/00 , B62D119/00 , B62D137/00
摘要： An electric power steering apparatus which quickly returns the steering wheel to the neutral position with a satisfactory steering feeling by switching a steering wheel return control for assisting the steering wheel return and a steering wheel convergence control for converging the steering wheel to the neutral position by braking a motor, according to the steering condition such as the rotational speed of the steering wheel is fast or slow when returning the steering wheel to the neutral position even when the vehicle speed is equal.

6. 发明专利

DE4226422C2 未知
公开(公告)号：DE4226422C2
公开(公告)日：1996-09-05
申请号：DE4226422
申请日：1992-08-10
申请人： HONDA MOTOR CO LTD
发明人： TSUCHIYA YOSHIKAZU , TSURUMIYA OSAMU , IZAWA MASATAKA , FUJIWARA YUKIHIRO , MURATA MAKOTO
IPC分类号： B60L11/18 , B62D5/04 , B62D6/00 , B62D7/14 , B62D7/15 , B62D101/00 , B62D113/00 , B62D117/00 , G05G5/05 , H02K23/00
摘要： A four-wheel steering system on an automobile has front road wheels steerable by a steering wheel and rear road wheels steerable by an electric motor and normally biased to a neutral steering position by a spring. The electric motor is energized by a motor driver to steer the rear road wheels through an angle depending on running conditions of the automobile. The electric motor has a winding and two sets of brushes or connecting terminals connected to opposite terminals of the winding. One of the two sets of connecting terminals is connected to the motor driver. The other of the two sets of connecting terminals is connected to a short-circuiting circuit parallel to the motor driver. In the event of a failure, a controller controls the short-circuiting circuit to short-circuit the winding of the motor through the other set of connecting terminals. The short-circuiting circuit comprises a plurality of relays having respective contacts connected in series between the connecting terminals of the other set. The motor driver can also short-circuit the winding of the motor through the one set of connecting terminals in the event of a failure.

7. 发明专利

DE4139444C2 未知
公开(公告)号：DE4139444C2
公开(公告)日：1995-04-20
申请号：DE4139444
申请日：1991-11-29
申请人： HONDA MOTOR CO LTD
发明人： ABE MASARU , KAWAMOTO YOSHIMICHI , NONAGA IKUO , IZAWA MASATAKA
IPC分类号： B62D6/00 , B62D7/14 , B62D7/15 , B62D101/00 , B62D113/00 , B62D117/00

8. 发明专利

GB2250247B Four wheel steering system 未知
公开(公告)号：GB2250247B
公开(公告)日：1994-09-07
申请号：GB9125314
申请日：1991-11-28
申请人： HONDA MOTOR CO LTD
发明人： IZAWA MASATAKA , ABE MASARU , KAWAMOTO YOSHIMICHI , NONAGA IKUO
IPC分类号： B62D6/00 , B62D7/14 , B62D7/15 , B62D101/00 , B62D113/00 , B62D117/00

9. 发明专利

DE4226422A1 未知
公开(公告)号：DE4226422A1
公开(公告)日：1993-02-11
申请号：DE4226422
申请日：1992-08-10
申请人： HONDA MOTOR CO LTD
发明人： TSUCHIYA YOSHIKAZU , TSURUMIYA OSAMU , IZAWA MASATAKA , FUJIWARA YUKIHIRO , MURATA MAKOTO
IPC分类号： B60L11/18 , B62D5/04 , B62D6/00 , B62D7/14 , B62D7/15 , B62D101/00 , B62D113/00 , B62D117/00 , G05G5/05 , H02K23/00
摘要： A four-wheel steering system on an automobile has front road wheels steerable by a steering wheel and rear road wheels steerable by an electric motor and normally biased to a neutral steering position by a spring. The electric motor is energized by a motor driver to steer the rear road wheels through an angle depending on running conditions of the automobile. The electric motor has a winding and two sets of brushes or connecting terminals connected to opposite terminals of the winding. One of the two sets of connecting terminals is connected to the motor driver. The other of the two sets of connecting terminals is connected to a short-circuiting circuit parallel to the motor driver. In the event of a failure, a controller controls the short-circuiting circuit to short-circuit the winding of the motor through the other set of connecting terminals. The short-circuiting circuit comprises a plurality of relays having respective contacts connected in series between the connecting terminals of the other set. The motor driver can also short-circuit the winding of the motor through the one set of connecting terminals in the event of a failure.

10. 发明专利

GB2208375A FOUR WHEEL STEERING SYSTEM 未知
公开(公告)号：GB2208375A
公开(公告)日：1989-03-30
申请号：GB8818071
申请日：1988-07-29
申请人： HONDA MOTOR CO LTD
发明人： TSURUMIYA OSAMU , ABE MASARU , KAWAMOTO YOSHIMICHI , KOHATA TAKASHI , NONAGA IKUO , IZAWA MASATAKA
IPC分类号： B62D7/14 , B62D7/15
摘要： The steering operation of a motor vehicle with steerable front and rear road wheels is controlled by steering the rear road wheels with an actuator such as an electric motor which produces a steering force dependent on a deviation of the actual rear wheel steering angle from a target rear wheel steering angle. The rear road wheels are thus controlled with a characteristic dependent on the coefficient of friction of a road on which the motor vehicle travels and the steering speed at which the motor vehicle is steered. Typically, a steering control method comprises the steps of detecting the steering angle of the front road wheels, determining a target steering angle for the rear wheels based on the steering angle of the front road wheels, detecting the actual steering angle of the rear road wheels, calculating a steering angle deviation of the actual rear wheel steering angle from the target steering angle, determining a rear wheel steering force based on the steering angle deviation, and steering the rear road wheels to the target steering angle with the determined rear wheel steering force.

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