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1. 发明授权

US08180530B2 Steering control device 有权
标题翻译：转向控制装置
公开(公告)号：US08180530B2
公开(公告)日：2012-05-15
申请号：US12411807
申请日：2009-03-26
申请人： Yoshimitsu Akuta , Masaaki Minakawa
发明人： Yoshimitsu Akuta , Masaaki Minakawa
IPC分类号： B62D6/00
CPC分类号： B62D7/159 , B60G2400/0521 , B60G2400/0523 , B60W2520/125 , B60W2520/14 , B62D6/002 , B62D6/003
摘要： In a steer-by-wire steering control device for a vehicle using a model following control based on yaw rate or lateral acceleration, the target steering angle(s) of front wheels and/or rear wheels (Sfbs, Srbs) are corrected according a roll rate (Rre) of the vehicle which may be either detected or estimated from a lateral acceleration or yaw rate. Thereby, the roll rate gain can be reduced, and the damping property and response property of the yaw rate can be improved.
摘要翻译：在使用基于偏航率或横向加速度的模型跟随控制的车辆的线控转向控制装置中，前轮和/或后轮（Sfbs，Srbs）的目标转向角（sfbs，Srbs）根据可以从侧向加速度或偏航率检测或估计车辆的滚动速率（Rre）。由此，能够降低侧倾率增益，能够提高横摆率的阻尼特性和响应特性。

2. 发明申请

US20090248248A1 STEERING CONTROL DEVICE 有权
标题翻译：转向控制装置
公开(公告)号：US20090248248A1
公开(公告)日：2009-10-01
申请号：US12411807
申请日：2009-03-26
申请人： Yoshimitsu Akuta , Masaaki Minakawa
发明人： Yoshimitsu Akuta , Masaaki Minakawa
IPC分类号： B62D6/00
CPC分类号： B62D7/159 , B60G2400/0521 , B60G2400/0523 , B60W2520/125 , B60W2520/14 , B62D6/002 , B62D6/003
摘要： In a steer-by-wire steering control device for a vehicle using a model following control based on yaw rate or lateral acceleration, the target steering angle(s) of front wheels and/or rear wheels (Sfbs, Srbs) are corrected according a roll rate (Rre) of the vehicle which may be either detected or estimated from a lateral acceleration or yaw rate. Thereby, the roll rate gain can be reduced, and the damping property and response property of the yaw rate can be improved.
摘要翻译：在使用基于偏航率或横向加速度的模型跟随控制的车辆的线控转向控制装置中，前轮和/或后轮（Sfbs，Srbs）的目标转向角（sfbs，Srbs）根据可以从侧向加速度或偏航率检测或估计车辆的滚动速率（Rre）。由此，能够降低侧倾率增益，能够提高横摆率的阻尼特性和响应特性。

3. 发明授权

US07533757B2 Steering system and method of control 失效
标题翻译：转向系统和控制方法
公开(公告)号：US07533757B2
公开(公告)日：2009-05-19
申请号：US11265606
申请日：2005-11-02
申请人： Nobuo Sugitani , Yoshimitsu Akuta , Hisao Asaumi , Hitoshi Iwai , Masaaki Kawano , Takashi Nishimori
发明人： Nobuo Sugitani , Yoshimitsu Akuta , Hisao Asaumi , Hitoshi Iwai , Masaaki Kawano , Takashi Nishimori
IPC分类号： B62D5/04
CPC分类号： B62D5/003 , B62D5/006 , B62D5/0496
摘要： A steering system includes a steering wheel, a steering angle sensor detecting a steering angle, a steering motor steering road-wheels, a reaction motor imparting a reaction force to the steering wheel, an ECU driving the steering motor with respect to a detected steering angle and a temperature detecting unit detecting temperatures of the steering motor, the reaction motor or a constituent member involved in the temperatures of the motors. When the temperature detected is larger than a predetermined value, the ECU performs such that a ratio of the rotating angle to the steering angle is made smaller than one that is to result when the temperature is equal to or smaller than the predetermined value, or a reaction force that is to be imparted to the steering wheel is made larger.
摘要翻译：转向系统包括方向盘，检测转向角的转向角传感器，转向马达转向路面轮，向方向盘施加反作用力的反作用马达，相对于检测到的转向角度驱动转向马达的ECU 以及温度检测单元，其检测所述转向马达，所述反作用马达或与所述马达的温度有关的构成部件的温度。当检测到的温度大于预定值时，ECU执行使得旋转角度与转向角度的比率小于当温度等于或小于预定值时产生的旋转角度的比率，或者使赋予方向盘的反作用力变大。

4. 发明授权

US5370199A Vehicle traction control system 失效
标题翻译：车辆牵引力控制系统
公开(公告)号：US5370199A
公开(公告)日：1994-12-06
申请号：US44066
申请日：1993-04-06
申请人： Yoshimitsu Akuta , Tooru Ikeda , Takashi Nishihara
发明人： Yoshimitsu Akuta , Tooru Ikeda , Takashi Nishihara
IPC分类号： F02D29/02 , B60K28/14 , B60K28/16
CPC分类号： B60K28/14 , B60K28/16
摘要： In a traction control system for a vehicle which controls the traction of the driven wheels according to the slip ratio of the driven wheels obtained as a relationship between the vehicle speed and the speed of the driven wheels, the vehicle speed is obtained from the speed of the non-driven wheels. Normally, the average value of the speeds of the non-driven wheels is used as the basis for computing the vehicle speed, but when one of the non-driven wheels is likely to be lifted from the road surface due to the turning maneuver of the vehicle, the speed of one of the non-driven wheels which is higher than that of the other non-driven wheel and is therefore likely to be in contact with the road surface is used for fining the vehicle speed. Thus, the vehicle speed is simply obtained from the speed of the non-driven wheels, but the traction control can be reliably carried out according to a correctly obtained vehicle speed.
摘要翻译：在车辆的牵引力控制系统中，根据作为车速与从动轮的速度之间的关系获得的从动轮的滑移率来控制从动轮的牵引力，车速是从车速非驱动轮。通常，非驱动轮的速度的平均值被用作计算车速的基础，但是当其中一个非从动轮很可能由于转向机动而从路面抬起时使用比其他非从动轮高的非从动轮之一的速度，因此很可能与路面接触的速度用于使车辆的速度细化。因此，从非从动轮的速度简单地获得车速，但是可以根据正确获得的车速可靠地进行牵引力控制。

5. 发明授权

US5136507A System for correctively controlling turning movement of vehicle 失效
标题翻译：适用于车辆转向运动的系统
公开(公告)号：US5136507A
公开(公告)日：1992-08-04
申请号：US531725
申请日：1990-06-01
申请人： Shuji Shiraishi , Osamu Yamamoto , Mitsuya Serizawa , Makoto Sato , Keiyu Kin , Hiromi Inagaki , Wataru Saito , Yoshimitsu Akuta
发明人： Shuji Shiraishi , Osamu Yamamoto , Mitsuya Serizawa , Makoto Sato , Keiyu Kin , Hiromi Inagaki , Wataru Saito , Yoshimitsu Akuta
IPC分类号： B60T8/1755 , B62D6/04
CPC分类号： B62D6/04 , B60T8/1755
摘要： A system for correctively controlling the turning movement of a vehicle, including a device for correcting the turning movement of the vehicle, a sensor for detecting the steering angle of a steering wheel of the vehicle, a steering angle hysteresis storage device for storing the hysteresis of the steering angle, and a reference value arithmetic device for determining a reference value of a physical quantity generated during a turning movement of the vehicle, on the basis of the hysteresis of the steering angle. The system also includes a detector for detecting an actual value of the physical quantity during the turning movement, a calculator for determining a deviation between the reference value and actual value of the physical quantity and a polarity of the deviation, and a control-quantity determining device for determining a control-quantity for the turning movement correcting device on the basis of the deviation obtained in the calculator. A device is included for determining a control-direction of correction of the turning movement on the basis of the polarity of the deviation. This system permits the turning movement of the vehicle to be automatically corrected.
摘要翻译：一种用于校正车辆的转动运动的系统，包括用于校正车辆的转动运动的装置，用于检测车辆的方向盘的转向角的传感器，用于存储车辆的方向盘的转向角的转向角滞后存储装置，转向角以及用于根据转向角的滞后来确定在车辆转弯运动期间产生的物理量的基准值的基准值运算装置。该系统还包括用于检测转弯运动期间物理量的实际值的检测器，用于确定参考值与物理量的实际值和偏差的极性之间的偏差的计算器，以及控制量确定根据在计算器中得到的偏差确定转动运动校正装置的控制量的装置。包括用于基于偏差的极性确定转动运动的校正的控制方向的装置。该系统允许车辆的转动运动被自动校正。

6. 发明授权

US08046133B2 Steering apparatus 有权
标题翻译：转向装置
公开(公告)号：US08046133B2
公开(公告)日：2011-10-25
申请号：US12026270
申请日：2008-02-05
申请人： Yoshimitsu Akuta , Shunsuke Watanabe
发明人： Yoshimitsu Akuta , Shunsuke Watanabe
IPC分类号： B62D6/00 , B62D5/04 , B62D117/00
CPC分类号： B62D6/002 , B62D5/008
摘要： This steering apparatus is capable of changing and controlling a ratio of a turning angle of a steered wheel to an operation amount of an operation member, wherein the ratio is reduced when an operation speed of the operation member is higher than a predetermined operation speed; and if the operation speed is reduced thereafter, then the reduced ratio is maintained.
摘要翻译：该转向装置能够改变和控制转向轮的转动角度与操作构件的操作量的比率，其中当操作构件的操作速度高于预定操作速度时，该比率减小; 并且如果此后的操作速度降低，则保持减小的比率。

7. 发明授权

US07922181B2 Vehicle height adjusting system 有权
标题翻译：车高调整系统
公开(公告)号：US07922181B2
公开(公告)日：2011-04-12
申请号：US11649216
申请日：2007-01-04
申请人： Takehiko Hakui , Hajime Hirata , Hajime Kajiwara , Kiyoshi Nakajima , Yoshimitsu Akuta , Kunimichi Hatano
发明人： Takehiko Hakui , Hajime Hirata , Hajime Kajiwara , Kiyoshi Nakajima , Yoshimitsu Akuta , Kunimichi Hatano
IPC分类号： B60G17/02
CPC分类号： B60G17/02 , B60G15/063 , B60G15/068 , B60G17/021 , B60G17/052 , B60G2202/12 , B60G2204/1242 , B60G2204/128 , B60G2500/20 , B60G2500/30 , Y10T74/18576
摘要： A first rotor (24; 124) and a second rotor (25; 125) are arranged in a coaxial and mutually rotatable relationship and are provided with a first driven gear (41; 141) and a second driven gear (42; 142), respectively. A drive shaft (31; 131) is also provided with a first drive gear (43; 143) and a second drive gear (44; 144) which are commonly connected to an output shaft of an electric motor (32; 132), and mesh with the first and second driven gears, respectively, at slightly different gear ratios. The first and second rotors are connected via a thread feed mechanism (36; 136) that converts a relative rotation between the first and second rotors into an axial linear movement between the first and second rotors that is used for changing a distance between a vehicle body part and a corresponding end of a suspension spring in a vehicle height adjusting system (9; 109). Owing to a differential rotation of a high gear ratio between the first and second rotors, a significant torque amplification is possible with a compact arrangement. The use of spur gears instead of a worm gear mechanism minimizes torque loss.
摘要翻译：第一转子（24; 124）和第二转子（25; 125）以同轴且相互旋转的关系布置，并且设置有第一从动齿轮（41; 141）和第二从动齿轮（42; 142）分别。驱动轴（31; 131）还设置有共同连接到电动机（32; 132）的输出轴的第一驱动齿轮（43; 143）和第二驱动齿轮（44; 144），以及分别与第一和第二从动齿轮啮合，齿轮比略微不同。第一和第二转子通过螺纹供给机构（36; 136）连接，该螺纹供给机构将第一和第二转子之间的相对旋转转换成在第一和第二转子之间的轴向线性运动，用于改变车体在车辆高度调节系统（9; 109）中的悬架弹簧的部分和相应的端部。由于第一和第二转子之间的高齿轮比的差速旋转，紧凑的布置可以实现显着的扭矩放大。使用正齿轮而不是蜗轮传动机构使扭矩损失最小化。

8. 发明授权

US5890082A Adaptive front and rear wheel steering system 失效
标题翻译：自适应前轮和后轮转向系统
公开(公告)号：US5890082A
公开(公告)日：1999-03-30
申请号：US720083
申请日：1996-09-27
申请人： Manabu Ikegaya , Yoshimitsu Akuta , Kiyoshi Wakamatsu
发明人： Manabu Ikegaya , Yoshimitsu Akuta , Kiyoshi Wakamatsu
IPC分类号： B62D6/00 , B62D7/14 , B62D7/15
CPC分类号： B62D7/159 , B62D6/00
摘要： In a front and rear wheel steering system for steering rear wheels of a vehicle at a certain ratio to front wheels of the vehicle, the rear wheel steering angle is determined according to the steering input and/or the operating conditions of the vehicle, additionally, taking into account the kind of the particular tires that are being used. In particular, it is advantageous to distinguish between normal tires and studless tires as they demonstrate significantly different properties. The kind of tires can be identified either by computing the frictional coefficient of the road surface or by a manual switch. Thus, the handling of the vehicle can be kept unchanged without regard to the kind of the tires that are being used.
摘要翻译：在前轮和后轮转向系统中，用于以与所述车辆的前轮一定比例的方式转向车辆的后轮，根据所述车辆的转向输入和/或所述操作条件来确定所述后轮转向角，考虑到正在使用的特定轮胎的种类。特别地，区分普通轮胎和无钉轮胎是有利的，因为它们表现出显着不同的性质。可以通过计算路面的摩擦系数或通过手动开关来识别轮胎的种类。因此，车辆的处理可以保持不变，而不考虑正在使用的轮胎的种类。

9. 发明授权

US5155686A Physical quantity control device usable in vehicle motion control 失效
标题翻译：车辆运动控制中可用的物理量控制装置
公开(公告)号：US5155686A
公开(公告)日：1992-10-13
申请号：US530361
申请日：1990-05-30
申请人： Shuji Shiraishi , Osamu Yamamoto , Keiyu Kin , Yoshimitsu Akuta
发明人： Shuji Shiraishi , Osamu Yamamoto , Keiyu Kin , Yoshimitsu Akuta
IPC分类号： B60K28/16 , B60T8/173 , B60T8/175 , B60T8/1763
CPC分类号： B60T8/17636 , B60K28/16 , B60T8/173 , B60T8/175
摘要： A physical quantity control device includes first and second control elements having different sensitivities from one another, the first and second control elements providing outputs to change at least one physical quantity in response to first and second operational quantities individually input to the first and second control elements. First and second computing circuits are provided for computing the first and second operational quantities in response to a deviation between a predetermined target value and the physical quantity, wherein the physical quantity is feedback controlled to converge with the predetermined target value. Further, first and second filters for passing frequencies individually corresponding to the sensitivies of the first and second control elements, respectively, the first filter being provided in a feedback loop including the first control elements and the first computing circuit, and the second filter being provided in a second feedback loop including the second control element and the second computing circuit. Further, the output of the first and second control elements is preferably input to an operation means to generate the physical quantity, wherein the physical quantity controlled is a vehicle motion.
摘要翻译：物理量控制装置包括彼此具有不同灵敏度的第一和第二控制元件，第一和第二控制元件响应于分别输入到第一和第二控制元件的第一和第二操作量而提供输出以改变至少一个物理量。提供第一和第二计算电路，用于响应于预定目标值与物理量之间的偏差来计算第一和第二操作量，其中物理量被反馈控制以与预定目标值收敛。此外，第一和第二滤波器分别对与第一和第二控制元件的灵敏度相对应的频率通过，第一滤波器被提供在包括第一控制元件和第一计算电路的反馈回路中，并且第二滤波器被提供在包括第二控制元件和第二计算电路的第二反馈回路中。此外，第一和第二控制元件的输出优选地输入到操作装置以产生物理量，其中控制的物理量是车辆运动。

10. 发明申请

US20080201040A1 STEERING APPARATUS 有权
标题翻译：转向装置
公开(公告)号：US20080201040A1
公开(公告)日：2008-08-21
申请号：US12026270
申请日：2008-02-05
申请人： Yoshimitsu Akuta , Shunsuke Watanabe
发明人： Yoshimitsu Akuta , Shunsuke Watanabe
IPC分类号： G05D3/00 , B62D5/04 , B62D6/02
CPC分类号： B62D6/002 , B62D5/008
摘要： This steering apparatus is capable of changing and controlling a ratio of a turning angle of a steering wheel to an operation amount of an operation member, wherein the ratio is reduced when an operation speed of the operation member is higher than a predetermined operation speed; and if the operation speed is reduced thereafter, then the reduced ratio is maintained.
摘要翻译：该转向装置能够改变和控制方向盘的转动角度与操作部件的操作量的比例，其中当操作部件的操作速度高于预定操作速度时，该比率减小; 并且如果此后的操作速度降低，则维持减小的比率。

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