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    • 3. 发明授权
    • Driving force control unit for vehicles
    • 车辆驱动力控制单元
    • US06346064B1
    • 2002-02-12
    • US09634460
    • 2000-08-07
    • Satoshi HadaTakahiro EguchiToshiya KandaYoichi Sugimoto
    • Satoshi HadaTakahiro EguchiToshiya KandaYoichi Sugimoto
    • B60K4120
    • B60K6/543B60L2240/486B60L2250/26B60T7/042B60T2201/06B60W10/06B60W10/101B60W10/18B60W30/18118B60W2050/021B60W2550/142B60W2710/105F16H61/66Y10S477/901Y10S903/918Y10T477/743Y10T477/747Y10T477/87
    • A driving force control unit for a vehicle, which allows transmission of driving force from a driving motor to driving wheels irrespective of releasing an accelerator pedal at a certain or lower vehicle speed when a transmission is set in a driving range, and which switches the magnitude of the driving force while the accelerator pedal is released at vehicle speed no more than the certain vehicle speed between a greater condition and a smaller condition in accordance with depression of the brake pedal so that the driving force is made lower at a depression of the brake pedal than at a release of the brake pedal. In the driving force control unit, the driving force value in said greater condition upon switching from said smaller condition to said greater condition, at a release of the brake pedal during the time the vehicle stops, is increased or decreased according to an inclination angle of the vehicle at the time of stopping. Meanwhile, the increasing rate of said driving force upon switching from said smaller condition to said greater condition, at a release of the brake pedal during the time the vehicle stops, is increased or decreased based on a vehicle inclination angle when the vehicle stops.
    • 一种用于车辆的驱动力控制单元,其能够在将传动设定在驾驶范围内时将驱动电机的驱动力传递到驱动轮,而不管以一定或更低的车速释放加速器踏板,并且切换大小 的驱动力,同时根据制动踏板的下压,加速踏板在车速下不超过某一车辆速度在更大的状态和较小的状态之间被释放,使得驱动力在制动器的下压 踏板比刹车踏板释放。 在驱动力控制单元中,在从所述较小状态切换到所述较大状态时,在车辆停止期间在制动踏板的释放时,在所述较大状态下的驱动力值根据倾斜角度 车辆在停车时。 同时,当车辆停止时,在制动踏板释放时,从所述较小状态切换到所述较大状态的所述驱动力的增加率根据车辆停止时的车辆倾斜角度而增加或减少。
    • 5. 发明授权
    • Vehicle safety running control system
    • 车辆安全运行控制系统
    • US06294987B1
    • 2001-09-25
    • US09306514
    • 1999-05-06
    • Shohei MatsudaSatoshi HadaYoichi SugimotoYoshihiro UraiShoji Ichikawa
    • Shohei MatsudaSatoshi HadaYoichi SugimotoYoshihiro UraiShoji Ichikawa
    • B60Q100
    • B60T17/22B60T7/12
    • A system for controlling running safety of a vehicle having an alarm and an automatic braking system. A plurality of decelerations &agr;2n of an obstacle such as another vehicle present ahead on the road is predicted and corresponding manipulated variables &agr;1n (braking amount) to be supplied to the vehicle which indicate possible deceleration of the vehicle are determined. Then threshold values L&agr;2n for alarming and automatic braking are determined corresponding to the predicted deceleration and are successively compared with the distance to the obstacle. When the distance falls below any of the threshold values, alarming or automatic braking is effected to avoid contact with the obstacle, thereby making the system relatively simple and enabling operation to match the driver's expectations.
    • 一种用于控制具有报警和自动制动系统的车辆的行驶安全性的系统。 预测在道路上存在的其他车辆等障碍物的多个减速度α2n,并且确定要指示车辆可能的减速度的对应于车辆的相应的操作变量α1n(制动量)。 然后根据预测的减速度确定用于报警和自动制动的阈值Lalpha2n,并且与距离障碍物的距离相继进行比较。 当距离低于任何阈值时,进行报警或自动制动,以避免与障碍物接触,从而使系统相对简单,使操作符合驾驶员的期望。
    • 6. 发明授权
    • Braking control system for vehicle
    • 车辆制动控制系统
    • US06292753B1
    • 2001-09-18
    • US09380626
    • 1999-09-17
    • Yoichi SugimotoShoji IchikawaYoshihiro UraiSatoshi Hada
    • Yoichi SugimotoShoji IchikawaYoshihiro UraiSatoshi Hada
    • G01S1393
    • B60T13/72B60T7/22B60T8/3275
    • When a radar device S1 detects an object existing ahead of a vehicle in the movement direction of the vehicle, a determining device M1 determines a possibility of contact of the vehicle with the object from the relative positional relationship between the vehicle and the object, based on the result of such detection. If it is determined there is the possibility of contact, an automatic braking device M2 operates a vacuum booster 2 to carry out an automatic braking operation to avoid the contact of the vehicle with the object. When a braking-will detecting device M3 detects a driver's braking will during the automatic braking operation by the automatic braking device M2, an emergency-degree presuming device M4 presumes a degree of emergency in the driver's braking will, and the automatic braking device M2 generates the braking force corresponding to the degree of emergency to assist in the braking operation of the driver. This enables a smooth switch-over from the avoidance of the contact by the automatic braking operation to the avoidance of the contact by the driver's braking operation, and a high braking force assisted by the automatic braking operation can be generated to effectively avoid the contact.
    • 当雷达装置S1检测到在车辆的移动方向上存在于车辆前方的物体时,确定装置M1基于车辆与物体之间的相对位置关系确定车辆与物体接触的可能性,基于 这种检测的结果。 如果确定存在接触的可能性,则自动制动装置M2操作真空助力器2以执行自动制动操作,以避免车辆与物体的接触。 当制动器检测装置M3在自动制动装置M2的自动制动操作期间检测到驾驶员的制动时,紧急度假定装置M4假设驾驶员的制动中的紧急程度,并且自动制动装置M2产生 对应于紧急程度的制动力来辅助驾驶员的制动操作。 这样可以通过自动制动操作避免接触而平滑地切换,避免驾驶员的制动操作的接触,并且可以产生由自动制动操作辅助的高制动力,以有效地避免接触。
    • 7. 发明授权
    • Vehicle control system having obstacle detector
    • 具有障碍物检测器的车辆控制系统
    • US06169478A
    • 2001-01-02
    • US09199797
    • 1998-11-25
    • Satoshi HadaShoji IchikawaYoichi SugimotoYoshihiro Urai
    • Satoshi HadaShoji IchikawaYoichi SugimotoYoshihiro Urai
    • B60Q100
    • G01S17/936B60K31/0008B60T7/22B60T8/172B60T2201/02B60W2050/143G01S13/865G01S13/931G01S2013/9325G01S2013/9346G01S2013/9353G01S2013/9375G08G1/16G08G1/166
    • A vehicle control system having a laser radar for detecting an obstacle present ahead on a course of travel of the vehicle; and control device for operating a brake or an alarm based on an output of the laser radar when a distance from the vehicle to the obstacle is less than a first predetermined value or is less than a third predetermined value. In the system, a millimeter-wave radar, which is inferior to the laser radar in position detection accuracy, but is superior in weather-proof operation, is provided. When the laser radar is inoperative, the control device operates the brake or alarm based on the output of the millimeter-wave radar when the distance is less than a second predetermined value (less than the first predetermined value) or is less than a forth predetermined value (greater than the third predetermined value), thereby expediting the alarm initiation to alert the vehicle driver at an appropriate time, while ensuring the proper brake initiation, so as not to cause the vehicle driver to experience annoyance.
    • 一种具有激光雷达的车辆控制系统,用于检测在车辆行驶过程中向前存在的障碍物; 以及当从车辆到障碍物的距离小于第一预定值或小于第三预定值时,基于激光雷达的输出来操作制动器或报警器的控制装置。 在该系统中,提供了一种毫米波雷达,其在位置检测精度方面优于激光雷达,但是在防风雨操作方面是优异的。 当激光雷达不起作用时,当距离小于第二预定值(小于第一预定值)或小于第四预定值时,控制装置基于毫米波雷达的输出来操作制动或报警 值(大于第三预定值),从而在确保正确的制动器启动的同时,在适当的时间加快报警开始来警告车辆驾驶员,从而不会导致车辆驾驶员感到烦恼。
    • 8. 发明授权
    • Obstacle detecting system
    • 障碍物检测系统
    • US06408247B1
    • 2002-06-18
    • US09559744
    • 2000-04-27
    • Shoji IchikawaYoichi SugimotoSatoshi HadaYoshihiro Urai
    • Shoji IchikawaYoichi SugimotoSatoshi HadaYoshihiro Urai
    • B61L110
    • B60R21/0134B60R21/013G01S13/931G01S2013/9346G01S2013/9353G01S2013/9375
    • The accuracy of determination of a possibility of collision of a vehicle with an object is enhanced without the shortening of a period for detection of the object by an object detecting apparatus. A collision-possibility determining device determines the presence or absence of a possibility of collision of the vehicle with the obstacle by comparing a future locus of movement of the obstacle determined by an obstacle locus determining device based on an output from a radar device, with a future locus of movement of the vehicle determined by a vehicle locus determining apparatus based on outputs from wheel speed sensors and a yaw rate sensor. The period of the detection conducted by the radar device providing data about the obstacle to the obstacle locus determining apparatus is 100 msec, but the obstacle locus determining apparatus, the vehicle locus determining apparatus and the collision-possibility determining apparatus carry out the determination of the possibility of collision at a determination period shorter than the detection period of 100 msec. Thus, it is possible to carry out the determination of the possibility of collision at the shorter determination period without use of a large-sized and expensive radar device, thereby enhancing the determination accuracy.
    • 在不用物体检测装置检测物体的周期缩短的情况下,能够提高确定车辆与物体的碰撞的可能性的准确性。 碰撞可能性确定装置通过将由障碍物轨迹确定装置确定的障碍物的未来运动轨迹基于雷达装置的输出进行比较,来确定车辆与障碍物的碰撞的存在或不存在,以及 基于来自车轮速度传感器和偏航率传感器的输出的由车辆轨迹确定装置确定的车辆的未来运动轨迹。 雷达装置向障碍物轨迹确定装置提供关于障碍物的数据进行的检测的周期为100毫秒,但是障碍物轨迹确定装置,车辆轨迹确定装置和碰撞可能性确定装置执行 在碰撞的可能性比检测周期短100毫秒的确定期间。 因此,可以在不使用大型和昂贵的雷达装置的情况下,在较短的确定时间内进行碰撞的可能性的确定,从而提高确定精度。
    • 9. 发明授权
    • Vehicle safety running system
    • 车辆安全运行系统
    • US06275772B1
    • 2001-08-14
    • US09419797
    • 1999-10-18
    • Yoichi SugimotoSatoshi HadaYoshihiro UraiShoji IchikawaShohei Matsuda
    • Yoichi SugimotoSatoshi HadaYoshihiro UraiShoji IchikawaShohei Matsuda
    • B62D100
    • B60T7/22B60T7/12
    • In a vehicle safety running system, while a contact probability estimation section estimates that there is a probability that a subject vehicle comes into contact with an object and an automatic braking section performs automatic braking, when the driver voluntarily performs a steering operation to avoid the contact, an automatic braking cancellation gradient is calculated based on the contact probability detected with the contact probability estimation section and the steering operation amount detected with the steering operation amount detection section, whereby automatic braking is cancelled at a speed corresponding to the automatic braking cancellation gradient so calculated. When the contact is easily avoided through the steering operation, the automatic braking cancellation gradient is set large so as to cancel automatic braking quickly, while when the contact is difficult to be avoided, the automatic braking cancellation gradient is set small so as to cancel automatic braking moderately.
    • 在车辆安全运行系统中,当接触概率估计部估计出本体车辆与物体接触的可能性和自动制动部分进行自动制动时,当驾驶员自主地进行转向操作以避免接触时 基于由接触概率估计部检测到的接触概率和用转向操作量检测部检测到的转向操作量来计算自动制动抵消梯度,由此以与自动制动抵消梯度相对应的速度消除自动制动 计算。 当通过转向操作容易地避免接触时,自动制动抵消梯度被设置得很大以便快速取消自动制动,而当难以避免接触时,自动制动抵消梯度被设置得较小以便自动取消 适度制动
    • 10. 发明授权
    • Vehicle travel safety device
    • 车辆行驶安全装置
    • US06260880B1
    • 2001-07-17
    • US09413340
    • 1999-10-12
    • Satoshi HadaYoichi SugimotoShoji IchikawaYoshihiro Urai
    • Satoshi HadaYoichi SugimotoShoji IchikawaYoshihiro Urai
    • B60R2132
    • B60R21/01516B60R21/01536B60R21/01546B60R21/01554B60T7/22
    • A vehicle travel safety device carries out automatic braking in order to prevent a subject vehicle from coming into contact with an object, and proximate expansion of an air bag is reliably prevented. When there is a possibility of a subject vehicle coming into contact with an object, automatic braking is carried out in order to prevent the contact. If a seat belt wear state sensor detects that an occupant is not wearing a seat belt and an air bag expansion possibility estimating means estimates that there is a possibility of an air bag expanding, by means of an automatic braking means, the deceleration rate of the automatic braking is reduced so that the occupant is prevented from moving forwards due to the inertia accompanying the braking and causing proximate expansion. When the speed of the subject vehicle at the time when automatic braking is started is high, the relative speed between the subject vehicle and the object at the time when automatic braking is started is high. Thus, the time taken for the subject vehicle to come into contact with the object is short or the speed of the subject vehicle at which it will come into contact with the object is high. Therefore, the air bag expansion possibility estimating means estimates that there is a possibility of the air bag expanding.
    • 车辆行驶安全装置进行自动制动,以防止本车辆与物体接触,并且可靠地防止气囊的靠近膨胀。 当目标车辆与物体接触的可能性时,为了防止接触,进行自动制动。 如果安全带磨损状态传感器检测到乘员没有佩戴安全带,并且气囊膨胀可能性估计装置通过自动制动装置估计有可能使气囊膨胀,则减速率 减少自动制动,使得乘员由于伴随制动的惯性而被阻止向前移动并引起接近的膨胀。 当自动制动开始时本车辆的速度高时,当车辆与自动制动开始时的物体之间的相对速度高时, 因此,本车辆与物体接触所花费的时间短或与物体接触的本车辆的速度很快。 因此,气囊膨胀可能性估计装置估计有可能使气囊膨胀。