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1. 发明专利

JP5393495B2 Steering gear 有权
公开(公告)号：JP5393495B2
公开(公告)日：2014-01-22
申请号：JP2010006200
申请日：2010-01-14
申请人：株式会社豊田中央研究所 , トヨタ自動車株式会社
发明人：英一小野 , 裕治村岸 , 伸介佐藤 , 豊大沼 , 仁章小野
IPC分类号： B62D6/00 , B60R21/00 , B62D5/04 , B62D101/00 , B62D113/00 , B62D137/00
CPC分类号： B62D6/002 , B60W10/20 , B60W2540/00 , B60W2540/18 , B62D5/008 , B62D6/001

2. 发明专利

JP4640220B2 Steering system for a vehicle 有权
公开(公告)号：JP4640220B2
公开(公告)日：2011-03-02
申请号：JP2006064655
申请日：2006-03-09
申请人：トヨタ自動車株式会社
发明人：豊大沼
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D113/00
CPC分类号： B62D5/001 , B62D1/02 , B62D5/006
摘要： A steering system having a pair of operating members operable independently of each other, wherein a target wheel-turning amount and a return force for returning each of the pair of operating members to its reference position are determined based on an amount of operation of each of the operating members. At least either a steering gain or a return-force gain is made changeable depending on various parameters. The steering gain is a gain that is set for each of the pair of operating members upon determination of the target wheel-turning amount, while the return-force gain is a gain that is set for each of the pair of operating members upon determination of the return force. According to the system, steering characteristics of the system can be set relatively freely. For example, where the steering gain is made changeable depending on an operating angle 8 of the operating member, the determination of the target wheel-turning amount can be made with a changeable degree of contribution of operation of each operating member to the determination, which is changeable depending on an operating position of the operating member.

3. 发明专利

JP3789293B2 Vehicle of the operating device 有权
公开(公告)号：JP3789293B2
公开(公告)日：2006-06-21
申请号：JP2000262713
申请日：2000-08-31
申请人：アイシン精機株式会社 , トヨタ自動車株式会社 , 株式会社デンソー
发明人：慶一古賀 , 豊大沼 , 正悦大石
IPC分类号： B62D1/04 , F02D11/10 , B60R16/02

4. 发明专利

JPWO2011045854A1 ブレーキシステム有权
公开(公告)号：JPWO2011045854A1
公开(公告)日：2013-03-04
申请号：JP2011543903
申请日：2009-10-14
申请人：トヨタ自動車株式会社
发明人：義秀関谷 , 義秀関谷 , 大沼　豊 , 豊大沼 , 司朗門崎 , 司朗門崎
IPC分类号： B60T17/18
CPC分类号： B60T8/885 , B60T1/06 , B60T8/267 , B60T8/3225 , B60T8/3255 , B60T8/346 , B60T13/741 , B60T2270/402 , B62D61/04
摘要：【目的】2つのブレーキ系統を含むブレーキシステムにおいて、一方のブレーキ系統の失陥時に、ヨーモーメントが生じることなく正常な場合の1/2の制動力を出力可能とする。【解決手段】前輪16,後輪18,左側車輪12,右側車輪14がひし形の頂点に位置する状態で配設される。前輪16,後輪18のブレーキシリンダ54、加圧室50等により第1ブレーキ系統70が構成され、左側車輪12,右側車輪14のブレーキシリンダ54、加圧室52等により第2ブレーキ系統72が構成される。また、左側車輪12,右側車輪14の接地力の合計f2と、前輪16,後輪18の接地力の合計(f1+f3)とは等しいため、第1、第2ブレーキ系統70,72の各々で出力可能な最大制動力は同じになる{(f1+f3)・μ=f2・μ}。その結果、一方のブレーキ系統の失陥時に、両系統が正常な場合の1/2の制動力を、ヨーモーメントが生じることなく出力することができる。

5. 发明专利

JP5018446B2 Vehicle steering system 有权
公开(公告)号：JP5018446B2
公开(公告)日：2012-09-05
申请号：JP2007323542
申请日：2007-12-14
申请人：トヨタ自動車株式会社
发明人：豊大沼 , 肇田中
IPC分类号： B62D1/16 , B62D5/04 , B62D119/00 , G01L3/14

6. 发明专利

JP5003068B2 Steering apparatus for a vehicle 有权
公开(公告)号：JP5003068B2
公开(公告)日：2012-08-15
申请号：JP2006242683
申请日：2006-09-07
申请人：トヨタ自動車株式会社
发明人：豊大沼 , 裕一小野田
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D113/00 , B62D117/00
摘要： PROBLEM TO BE SOLVED: To provide a steering device for a vehicle facilitating the driving of the vehicle by suitably controlling the turned state of a turned wheel relative to the operation of a steering wheel by a driver. SOLUTION: An operation state determination part 42 determines the turning operation state of the steering wheel 11 by the driver. A reference point setting part 43 sets a steering-holding operation point, a cutting-in operation point and a returning operation point as reference points based on the determined operation state of the steering wheel 11. A turning angle variation characteristic determination part 44 determines a cutting-in operation variation characteristic of a non-linear shape that the variation characteristic of the turning angle δ varied to the reference point and the maximum operation point is downward projected or a returning operation variation characteristic of a non-linear shape that the variation characteristic of the turning angle δ varied to the reference point and a neutral operation point is upwardly projected using the determined operation state of the steering wheel 11 and the set reference point. Thereby, it can be controlled such that the turned state the left and right front wheels FW1, FW2 can be controlled so as to always become equal in turned states according to turning operation of the steering wheel 11. COPYRIGHT: (C)2008,JPO&INPIT

7. 发明专利

JP4297149B2 Steering apparatus for a vehicle 有权
公开(公告)号：JP4297149B2
公开(公告)日：2009-07-15
申请号：JP2006268307
申请日：2006-09-29
申请人：トヨタ自動車株式会社
发明人：豊大沼
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D111/00 , B62D113/00 , B62D137/00
CPC分类号： B62D6/007 , B62D6/008
摘要： An electronic control unit receives a detection value from each sensor, and determines a familiarity degree coefficient indicating the degree of driver's familiarity with steering characteristics, using the received detection values. When the coefficient has a value near “0”, a desired actual steering angle is calculated to be a small value, and when the coefficient has a value near “1”, a desired actual steering angle is calculated to be a large value. When the coefficient has a value near “0”, a time constant of an actual steering actuator is set to a large value, and when the coefficient has a value near “1”, the time constant is set to a small value. A reaction torque is determined based on the coefficient.

8. 发明专利

JP3680928B2 Friction coefficient estimating apparatus of the road surface 有权
公开(公告)号：JP3680928B2
公开(公告)日：2005-08-10
申请号：JP2000359828
申请日：2000-11-27
申请人：アイシン精機株式会社 , トヨタ自動車株式会社
发明人：豊大沼 , 孝治梅野 , 敏敬浜田
IPC分类号： G01N19/02 , B60R16/02 , B60T8/172 , B60T8/1764 , B60T8/58
摘要： PROBLEM TO BE SOLVED: To reduce the possibility of abruptly worsening the running stability of a vehicle caused by braking force granted for estimating a friction coefficient. SOLUTION: An increase in braking force on right and left front wheels is started at a predetermined pressure intensifying gradient (S80), longitudinal force Fxj on right and left front wheels is operated (S100), supporting load Fzj on the right and left, front wheels is operated (S110), and in accordance with the longitudinal force Fxj and the supporting load Fzj on the right and left front wheels, the maximum friction coefficient μ max of the road surface is operated (S120-150). Approximate values μl and μ r for the maximum friction coefficient of the road surface corresponding to the right and left front wheels are operated (S220), and when an absolute value for a deviation between the approximate values μl and μr is a reference value μo or more and the road surface friction coefficient with automatic braking force granted to the right and left front wheels is being estimated (S320, 240), a command signal for decreasing a starting threshold value for antiskid control is output to an ABS control device 32 (S250).

9. 发明专利

JP3633191B2 Brake system 失效
公开(公告)号：JP3633191B2
公开(公告)日：2005-03-30
申请号：JP6327197
申请日：1997-03-17
申请人：トヨタ自動車株式会社
发明人：健治伊藤 , 豊大沼
IPC分类号： B60T13/66

10. 发明专利

JP3628925B2 Vehicle brake fluid pressure control device 有权
公开(公告)号：JP3628925B2
公开(公告)日：2005-03-16
申请号：JP32917899
申请日：1999-11-19
申请人：トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人：豊大沼 , 義和服部
IPC分类号： B60T8/00 , B60T13/66

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