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    • 12. 发明授权
    • Road shape predicting method and vehicle controlling method
    • 道路形状预测方法和车辆控制方法
    • US06230083B1
    • 2001-05-08
    • US09351297
    • 1999-07-12
    • Shohei MatsudaMakoto OtabeYuji Sakaki
    • Shohei MatsudaMakoto OtabeYuji Sakaki
    • G08G109
    • G01C21/26
    • A road shape predicting method includes the steps of: selecting three positions of positions of a plurality of nodes constituting road map data and an own vehicle position on a road; and predicting the road shape on the basis of a crossing angle formed by a link connecting a first position and a second position of the selected three positions and another link connecting the second and a third position thereof, and a link length between the second and the third positions. In case that the link length between the second and the third positions is not larger than a reference link length set in accordance with the crossing angle, the third position is excluded, and the position of a node further forward is adopted in place of the third position, to thereby predict the road shape.
    • 道路形状预测方法包括以下步骤:在道路上选择构成道路地图数据和本车位置的多个节点的位置的三个位置; 并且基于由连接所选择的三个位置的第一位置和第二位置的连杆形成的交叉角以及连接其所选择的三个位置的另一个连杆以及第二和第三位置之间的连杆长度来预测道路形状 第三职位 在第二和第三位置之间的链路长度不大于根据交叉角设置的参考链路长度的情况下,排除第三位置,并且采用更前进的节点的位置来代替第三位置 位置,从而预测道路形状。
    • 13. 发明授权
    • Brake system for vehicle
    • 车辆制动系统
    • US6149249A
    • 2000-11-21
    • US95606
    • 1998-06-11
    • Shohei Matsuda
    • Shohei Matsuda
    • B60T8/34B60T8/44B60T13/66B60T15/02B60T8/42
    • B60T13/662B60T15/028B60T8/344B60T8/44
    • A brake system for a vehicle is provided which has liquid pressure supply units for outputting liquid pressure in response to braking operation, and wheel cylinders for braking wheels when actuated with supply of liquid pressure from the liquid pressure supply unit. The brake system is capable of actuating the wheel cylinders without delay despite a delay in the rise of the output liquid pressure of the liquid pressure supply units. The brake system has an accumulator, the output liquid pressure of which rises quicker than that of the liquid pressure supply unit, the output liquid pressure accumulated in the accumulator being supplied to the wheel cylinders with excellent response speed at the initial stage of braking operation.
    • 提供一种用于车辆的制动系统,其具有用于响应于制动操作输出液压的液压供应单元,以及当从液压供应单元供应液体压力而致动时制动轮的轮缸。 制动系统能够毫无延迟地致动轮缸,尽管液压供应单元的输出液压的上升延迟。 制动系统具有储液器,其输出液压比液压供给单元的输出液压上升,在制动运转的初始阶段,累积在蓄能器中的输出液压以良好的响应速度供给到轮缸。
    • 14. 发明授权
    • Antilock braking system
    • 防抱死制动系统
    • US4480876A
    • 1984-11-06
    • US387549
    • 1982-06-11
    • Makoto SatoYoshitaka MiyakawaEtsuo FujiiShohei Matsuda
    • Makoto SatoYoshitaka MiyakawaEtsuo FujiiShohei Matsuda
    • B60T8/40B60T8/26B60T8/34B60T8/10
    • B60T8/26B60T8/346
    • An antilock braking system and associated method for a four wheel automotive vehicle having front left and right wheels and rear left and right wheels with a determined weight distribution of the vehicle on the front and rear wheels, each wheel having a respective brake cylinder adapted for applying braking pressure to the wheel in response to pressure fluid supplied from a master cylinder. The supply of pressure fluid from the master cylinder to the brake cylinders during a braking operation is controlled in accordance with the weight distribution of the vehicle on the wheels to enable the front and rear wheels normally to undergo incipient wheel slip at substantially the same time. A fluid pressure regulating unit relieves the fluid pressure transmitted to the respective brake cylinders of the four wheels of the vehicle all at the same time when one of the two front wheels rotates at a higher circumferential speed than the other front wheel and indicates incipient wheel slip.
    • 一种用于四轮机动车辆的防抱死制动系统和相关方法,其具有前左右轮和后左右轮,并且前轮和后轮具有确定的车辆重量分布,每个车轮具有适于施加的相应的制动缸 响应于从主缸供应的压力流体,向车轮施加制动压力。 根据车辆在车轮上的重量分布来控制在制动操作期间从主缸到制动缸的压力流体的供应,使得前后轮通常在大体上同时经历初始车轮打滑。 流体压力调节单元在两个前轮中的一个以比另一个前轮更高的圆周速度旋转的同时,缓和传递到车辆的四个车轮的各个制动缸的流体压力,并且指示初始车轮滑移 。
    • 16. 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
    • 17. 发明授权
    • Vehicle safety running control system
    • 车辆安全运行控制系统
    • US6021375A
    • 2000-02-01
    • US225570
    • 1999-01-05
    • Yoshihiro UraiYoichi SugimotoSatoshi HadaShoji IchikawaShohei Matsuda
    • Yoshihiro UraiYoichi SugimotoSatoshi HadaShoji IchikawaShohei Matsuda
    • B60R21/00B60T7/12B60T7/22B60W30/00B60W30/09G01S13/93G08G1/16G06F13/376
    • B60T7/22
    • A system for controlling running safety of a vehicle having at least a brake, a steering mechanism manipulated by a vehicle operator, a laser radar for detecting an obstacle present ahead on a course of travel of the vehicle, and a brake actuator mechanism actuating the brake independently of the vehicle operator manipulation. In the system, a first threshold value (defined in terms of relative distance between the vehicle and the obstacle) for avoiding contact with the obstacle by steering and a second threshold value for avoiding contact by operating the brake actuator mechanism are determined and are compared with the detected relative distance. When the detected relative distance is less than the first threshold value, the brake actuator mechanism is immediately operated to generate a relatively small deceleration, thereby enabling effective obstacle avoidance to well meet the intention and desires of the vehicle operator, without causing a problem of interference with the steering of the vehicle operator, while preventing the control accuracy from being degraded.
    • 一种用于控制至少具有制动器的车辆的运行安全性的系统,由车辆操作者操纵的转向机构,用于检测在车辆行驶过程中存在的障碍物的激光雷达以及致动所述制动器的制动致动器机构 独立于车辆操纵者操纵。 在该系统中,确定用于避免通过转向与障碍物接触的第一阈值(以车辆与障碍物之间的相对距离定义),以及通过操作制动致动器机构避免接触的第二阈值,并将其与 检测到的相对距离。 当检测到的相对距离小于第一阈值时,立即操作制动器致动器机构以产生相对小的减速度,从而能够有效地避免障碍以很好地满足车辆操作者的意图和期望,而不会引起干扰问题 同时防止控制精度降低。
    • 18. 发明授权
    • Braking force control system in vehicle
    • 车辆制动力控制系统
    • US6017101A
    • 2000-01-25
    • US752951
    • 1996-11-20
    • Shohei Matsuda
    • Shohei Matsuda
    • B60T7/12B60T8/172B60T8/1755B60T8/24B60T8/32
    • B60T8/246B60T7/12B60T2201/022
    • If a driver's sudden operation of a steering handle to avoid an obstacle is detected based on outputs from a steering speed sensor (S.sub.1), a steering torque sensor (S.sub.2) and/or a steering torque variation amount sensor (S.sub.7), a master cylinder produces a braking hydraulic pressure by a command from an electronic control unit without depression of brake pedal by a driver. A hydraulic pressure control device (4) transmits the braking hydraulic pressure to brake calipers of inner wheels during turning of the vehicle to brake the inner wheels. This causes a yaw moment to be generated so as to turn the direction of advancement of the vehicle to an inward in a turning direction. Thus, the steering operation can be assisted by such yaw moment to avoid the obstacle.
    • 如果根据来自转向速度传感器(S1),转向转矩传感器(S2)和/或转向转矩变化量传感器(S7)的输出来检测驾驶员突然操作转向手柄以避免障碍物,则主缸 通过来自电子控制单元的命令产生制动液压,而不会由驾驶员压下制动踏板。 液压控制装置(4)在车辆转动时将制动液压传递到内轮的制动卡钳以制动内轮。 这导致产生横摆力矩,以便使车辆的前进方向在转动方向向内。 因此,可以通过这种横摆力矩来辅助转向操作以避免障碍物。
    • 19. 发明授权
    • Obstacle detection system for a vehicle
    • 车辆障碍物检测系统
    • US5995037A
    • 1999-11-30
    • US105997
    • 1998-06-29
    • Shohei MatsudaYoichi SugimotoSatoshi HadaShoji IchikawaYoshihiro Urai
    • Shohei MatsudaYoichi SugimotoSatoshi HadaShoji IchikawaYoshihiro Urai
    • B60R21/00B60T7/22B60W30/00G01S7/41G01S13/58G01S13/93G08G1/00G08G1/16
    • B60T7/22G01S13/931G01S13/58G01S2013/9325G01S2013/9346G01S2013/9353G01S2013/9357G01S7/415
    • In an obstacle detection system for a vehicle which has a radar having an electromagnetic wave transmission device and a reflected wave reception device, the electromagnetic transmission device transmits electromagnetic waves in a direction in which the vehicle is traveling, and the reflected wave reception device receives reflected waves produced when the electromagnetic waves transmitted from the electromagnetic wave transmission device are reflected by an object present in the traveling direction of the vehicle. The system detects obstacles present in the traveling direction of the vehicle based on the result of a radar search operation, and it is possible to identify only those objects detrimental to the traveling of the vehicle as obstacles. An obstacle decision device decides whether or not the object detected by the radar is an obstacle, by using the detected value determined by a vehicle speed detection device which detects the speed of the vehicle, the calculated value determined by a relative distance calculation device that calculates a relative distance to the object present in the traveling direction of the vehicle based on the result of search operation by the radar, and the calculated value determined by an overlap calculation device that calculates an overlap in the width direction of the vehicle between the vehicle and the object according to the result of the search operation by the radar.
    • 在具有电磁波传输装置和反射波接收装置的雷达的车辆的障碍物检测系统中,电磁传输装置沿车辆行驶方向发送电磁波,反射波接收装置 当从电磁波传输装置发射的电磁波被车辆行进方向上存在的物体反射时产生的波。 该系统基于雷达搜索操作的结果来检测车辆的行进方向上存在的障碍物,并且可以仅识别对作为障碍物的车辆行驶有害的那些物体。 障碍物判定装置通过使用由检测车速的车速检测装置决定的检测值来判定由雷达检测出的物体是否是障碍物,由计算出的相对距离计算装置确定的计算值 基于雷达的搜索操作的结果,存在于车辆行进方向上的物体的相对距离,以及由重叠计算装置确定的计算值,该重叠计算装置计算车辆和车辆的车辆宽度方向上的重叠 根据雷达搜索操作的结果对象。