公开(公告)号：US6141617A

公开(公告)日：2000-10-31

申请号：US56243

申请日：1998-04-07

申请人： Shohei Matsuda ,  Hiroshi Sekine ,  Makoto Otabe ,  Yuji Sakaki

发明人： Shohei Matsuda ,  Hiroshi Sekine ,  Makoto Otabe ,  Yuji Sakaki

IPC分类号： G09B29/10 ,  B60K31/00 ,  B60R21/00 ,  B60W30/00 ,  B62D1/28 ,  G01C21/00 ,  G01C21/26 ,  G08G1/16 ,  G06F165/00

CPC分类号： G01C21/3697 ,  B60K31/0066 ,  B60K31/0083 ,  B62D1/28 ,  G01C21/26 ,  B60W2520/125 ,  B60W2520/14 ,  B60W2550/143 ,  B60W2550/402 ,  Y02T10/84

摘要： Vehicle control apparatus enables a vehicle to positively and safely pass a curve present in a forward road ahead of the vehicle, irrespective of any error in road data used by the apparatus and any error in a detected vehicle position. The apparatus calculates a predicted passing speed for a curve on the basis of a vehicle speed and a vehicle position, and compares same with a maximum passable speed for the curve which is calculated on the basis of map information and the vehicle position to thereby determine whether the vehicle can positively and safely pass the curve. If the apparatus determines that the vehicle cannot positively and safely pass the curve, warning, automatic deceleration and/or automatic steering is executed by a control mechanism of the apparatus. At this time, the apparatus compares an actual transverse acceleration or an actual yaw rate detected by a transverse acceleration sensor or a yaw rate sensor with a reference transverse acceleration or a reference yaw rate presumed from a road shape determined by a passage-state decision quantity calculating mechanism, and a regulating mechanism regulates a controlled variable and a control timing for effecting the warning, the automatic deceleration and/or the automatic steering, thereby compensating for any error in the road data and any error in the vehicle position.

摘要翻译： 车辆控制装置能够使车辆能够正确地且安全地通过车辆前方的前方道路中存在的曲线，而不管装置使用的道路数据的任何错误以及检测到的车辆位置的任何错误。 该装置基于车速和车辆位置计算曲线的预测通过速度，并将其与基于地图信息和车辆位置计算出的曲线的最大通过速度进行比较，从而确定是否 车辆可以正确安全地通过曲线。 如果装置确定车辆不能正确地和安全地通过曲线，则通过装置的控制机构执行警告，自动减速和/或自动转向。 此时，该装置将由横向加速度传感器或横摆率传感器检测到的实际横向加速度或实际横摆率与从由通过状态判定量确定的道路形状推定的基准横向加速度或参考横摆率进行比较 计算机构，调节机构调节受控变量和进行警告，自动减速和/或自动转向的控制定时，从而补偿道路数据中的任何错误和车辆位置的任何误差。

公开(公告)号：US5586028A

公开(公告)日：1996-12-17

申请号：US353979

申请日：1994-12-06

申请人： Hiroshi Sekine ,  Shintaro Yokoyama ,  Ichiro Harada ,  Nobuyoshi Asanuma ,  Yorihisa Yamamoto ,  Yutaka Horiuchi ,  Shohei Matsuda ,  Makoto Otabe ,  Atsushi Itakagi ,  Hideki Kubonoya

发明人： Hiroshi Sekine ,  Shintaro Yokoyama ,  Ichiro Harada ,  Nobuyoshi Asanuma ,  Yorihisa Yamamoto ,  Yutaka Horiuchi ,  Shohei Matsuda ,  Makoto Otabe ,  Atsushi Itakagi ,  Hideki Kubonoya

IPC分类号： B60T8/172 ,  B60T8/174 ,  B60T8/1763 ,  G01N19/02 ,  B60T8/58

CPC分类号： B60T8/174 ,  B60T8/172 ,  B60T8/17636 ,  B60T2210/122 ,  Y10S706/905

摘要： A road surface condition-detecting system for a vehicle detects a road surface condition from road noise generated by a vehicle wheel. The road surface condition is determined based on parameter data of frequency components of the road noise, by a neural network. The road noise may be corrected by eliminating therefrom a disturbance, such as audio output and exhaust noise. A present state of the road surface condition may be determined based on at least two consecutive determinations made based on the road noise detected at regular time intervals. Exclusive neural networks may be used for respective road surface condition types. One of a plurality of neural networks provided for respective vehicle speed ranges may be selected according to an actual vehicle speed. Detected sound pressure levels of the road noise extracted by frequency analysis may be normalized within respective ranges defined by upper and lower limits set corresponding to predetermined frequency ranges before being supplied to the neural network.

摘要翻译： 用于车辆的路面状况检测系统根据车轮产生的道路噪声检测路面状况。 通过神经网络，根据道路噪声频率分量的参数数据确定路面状况。 道路噪声可以通过消除诸如音频输出和排气噪声之类的干扰来校正。 可以基于基于以规则时间间隔检测到的道路噪声进行的至少两次连续确定来确定路面状况的当前状态。 专用神经网络可用于相应的路面状况类型。 可以根据实际车速来选择为各车速范围提供的多个神经网络中的一个。 通过频率分析提取的道路噪声的检测声压级可以在被提供给神经网络之前在对应于预定频率范围设定的上限和下限限定的相应范围内被归一化。

公开(公告)号：US6067497A

公开(公告)日：2000-05-23

申请号：US961476

申请日：1997-10-31

申请人： Hiroshi Sekine ,  Shohei Matsuda

发明人： Hiroshi Sekine ,  Shohei Matsuda

IPC分类号： G09B29/10 ,  B60K28/10 ,  B60W30/00 ,  B60W30/14 ,  G01C21/00 ,  G01C21/26 ,  G08G1/0969 ,  G08G1/16 ,  G08G1/09

CPC分类号： G01C21/26 ,  B60K28/10 ,  B60W2550/10 ,  Y02T10/84

摘要： A vehicle control system reduces the arithmetic operations for deciding the passableness of the vehicle through an upcoming curve and also avoids unnecessarily effecting automatic deceleration and warning, which are not completely indispensable in a system for performing the warning or automatic deceleration, so that the vehicle may pass through a curve at a proper vehicle speed and with minimum distraction to the vehicle occupants. Assuming that the driver performs a voluntary deceleration at a predetermined deceleration from the current vehicle speed, the system calculates an estimated passage speed of a tentative position N.sub.k, as set on a road ahead of an actual position P.sub.0. The system then sets a passable zone Z.sub.1, a warning zone Z.sub.2 and an automatic deceleration zone Z.sub.3 on the basis of turnable radii R.sub.1 and R.sub.2, at which a predetermined transverse acceleration is established at the estimated passage speed, as well as an arc C.sub.1 ' defining a range of a predetermined distance from the tentative position N.sub.k. The driver is warned by the system, when any of nodes N.sub.k+1, - - - , and soon ahead of the tentative position N.sub.k is present in the warning zone Z.sub.2, and the vehicle is automatically decelerated by the system when any of the nodes is present in the automatic deceleration zone Z.sub.3.

摘要翻译： 车辆控制系统通过即将到来的曲线减少用于决定车辆通行性的算术运算，并且还避免不必要地实现在用于执行警告或自动减速的系统中不完全必要的自动减速和警告，使得车辆可以 以适当的车速通过曲线，并以最小的分心给车辆乘客。 假设驾驶员从当前车速以预定的减速度进行自主减速，则系统计算在实际位置P0之前的道路上设定的临时位置Nk的推定通过速度。 然后，该系统基于在可估计的通过速度处建立预定横向加速度的可转动半径R1和R2以及弧C1'设定可通过区域Z1，警告区域Z2和自动减速区间Z3， 定义与临时位置Nk的预定距离的范围。 驾驶员被系统警告，当任何节点Nk + 1， - - - 并且在临时位置Nk之前不久就出现在警告区Z2中时，并且当任何节点上的车辆被系统自动减速时 存在于自动减速区Z3中。

公开(公告)号：US06547344B2

公开(公告)日：2003-04-15

申请号：US09879089

申请日：2001-06-13

申请人： Satoshi Hada ,  Keisuke Katsuta ,  Hirohiko Totsuka ,  Shohei Matsuda ,  Tetsuro Yamaguchi ,  Kazuaki Fukami

发明人： Satoshi Hada ,  Keisuke Katsuta ,  Hirohiko Totsuka ,  Shohei Matsuda ,  Tetsuro Yamaguchi ,  Kazuaki Fukami

IPC分类号： B60T832

CPC分类号： B60K6/543 ,  B60T7/122 ,  Y10S188/02 ,  Y10S903/903 ,  Y10S903/918 ,  Y10S903/947

摘要： A braking apparatus for vehicles BU, in which plurality systems of individually separated brake fluid pressure passages BC(A), BC(B) are arranged, and each passage is provided with at least one brake fluid pressure retaining means RU(A), RU(B) for continuously retaining brake fluid pressure within a wheel cylinder WC(A), WC(B) arranged in the brake fluid pressure passage after a depression of a brake pedal BP is released and for releasing the retained brake fluid pressure in response to an increase of a starting driving force of the vehicle, wherein the release of the retained brake fluid pressure is carried out in a time differential manner at each brake fluid pressure retaining means.

公开(公告)号：US06230083B1

公开(公告)日：2001-05-08

申请号：US09351297

申请日：1999-07-12

申请人： Shohei Matsuda ,  Makoto Otabe ,  Yuji Sakaki

发明人： Shohei Matsuda ,  Makoto Otabe ,  Yuji Sakaki

IPC分类号： G08G109

CPC分类号： G01C21/26

摘要： 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.

摘要翻译： 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。

公开(公告)号：US6149249A

公开(公告)日：2000-11-21

申请号：US95606

申请日：1998-06-11

申请人： Shohei Matsuda

发明人： Shohei Matsuda

IPC分类号： B60T8/34 ,  B60T8/44 ,  B60T13/66 ,  B60T15/02 ,  B60T8/42

CPC分类号： B60T13/662 ,  B60T15/028 ,  B60T8/344 ,  B60T8/44

摘要： 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.

摘要翻译： 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。

公开(公告)号：US5306075A

公开(公告)日：1994-04-26

申请号：US779475

申请日：1991-10-18

申请人： Shohei Matsuda ,  Kazutoshi Tashima ,  Kohichi Furuya ,  Masaaki Myoi ,  Makoto Horiuchi

发明人： Shohei Matsuda ,  Kazutoshi Tashima ,  Kohichi Furuya ,  Masaaki Myoi ,  Makoto Horiuchi

IPC分类号： B60T8/46 ,  B60T8/40 ,  B60T8/42 ,  B60T8/44 ,  B60T8/48 ,  B60T8/94 ,  B60T17/18 ,  B60T13/18

CPC分类号： B60T8/4081 ,  B60T8/4072 ,  B60T8/4225 ,  B60T8/441 ,  B60T8/4863 ,  B60T8/94

摘要： In a hydraulic braking pressure control system comprising a brake device (B.sub.FL, B.sub.FR, B.sub.RL, B.sub.RR), hydraulic pressure controller (4) for controlling the hydraulic pressure supply source (2) in accordance with the amount of operation of an operating member (1), an auxiliary hydraulic pressure generator (3) including a working piston (16, 17) operatively connected to the operating member to advance in response to operation of the operating member and being slidably received in a housing (14) with a front surface of the working piston facing a hydraulic pressure chamber (18, 19), a hydraulic pressure transmitter (134) comprising a free piston (132) slidably received in a cylinder body (133) and having opposite ends facing an input hydraulic pressure chamber (130) connected to the hydraulic pressure controller and an output hydraulic pressure chamber (131) leading to the brake device, respectively, and an on-off valve (135) interposed between the hydraulic pressure chamber (18, 19) in the auxiliary hydraulic pressure generator (3) and the brake device and adapted to be closed in response to an increase in output hydraulic pressure from the hydraulic pressure controller, there is further included valve-opening device (136) for forcedly opening the on-off valve in response to the movement of the free piston by a predetermined distance or more in a direction to reduce the volume of the output hydraulic pressure chamber. This ensures that when an abnormality such as wear of a pad or a vapor lock is produced on the side of the brake device in a condition in which the hydraulic pressure supply source is normal, a deficiency of hydraulic pressure can be compensated for, and when a leak of fluid is produced, this can be detected promptly.

摘要翻译： 在包括制动装置（BFL，BFR，BRL，BRR）的液压制动压力控制系统中，根据操作构件（1）的操作量控制液压供给源（2）的液压控制器（4） ），辅助液压发生器（3），其包括可操作地连接到所述操作构件的工作活塞（16,17），以响应于所述操作构件的操作而前进，并且可滑动地容纳在壳体（14）中，所述壳体（14）的前表面 所述工作活塞面向液压室（18,19），液压变送器（134）包括可滑动地容纳在缸体（133）中并具有面向输入液压室（130）的相对端的自由活塞（132） 分别连接到液压控制器和通向制动装置的输出液压室（131），以及插入在所述液压压力室（18,19）之间的开闭阀（135） 锂离子液压发生器（3）和制动装置，并且响应于来自液压控制器的输出液压的增加而被关闭，还包括用于强制打开开关阀的阀开启装置（136） 响应于在减小输出液压室的容积的方向上的自由活塞的移动预定距离或更大的距离。 这样可以确保在液压供给源正常的状态下，在制动装置一侧产生诸如焊盘或蒸气锁的磨损等异常的情况下，能够补偿液压不足， 产生液体泄漏，可以及时检测。

公开(公告)号：US5291675A

公开(公告)日：1994-03-08

申请号：US973234

申请日：1992-11-10

申请人： Shohei Matsuda ,  Kazutoshi Tashima ,  Yoshihiro Urai ,  Makoto Horiuchi ,  Ryuji Horiuchi

发明人： Shohei Matsuda ,  Kazutoshi Tashima ,  Yoshihiro Urai ,  Makoto Horiuchi ,  Ryuji Horiuchi

IPC分类号： B60T8/40 ,  B60T8/42 ,  B60T8/44 ,  B60T8/48 ,  B60T13/12 ,  F16D31/02 ,  B60T13/16

CPC分类号： B60T8/4081 ,  B60T13/12 ,  B60T8/4225 ,  B60T8/441 ,  B60T8/4863

摘要： A fluid pressure control system which includes an operational reaction force generating device having a piston which includes a front surface facing a pressure chamber and is operatively connected to an operating member so as to reduce a volume of the pressure chamber in response to the operation of the operating member. The fluid pressure control system further includes a fluid pressure control valve capable of adjusting and outputting an output pressure from a fluid pressure supply source capable of outputting a constant fluid pressure in accordance with the operation amount of the operating member and a stroke accumulator connected to the pressure chamber. The stroke accumulator is of a structural arrangement such that the resilient biasing force acting on the accumulator piston by the movement of the back-up piston toward the accumulator piston with the abnormal reduction in fluid pressure in the pilot chamber connected to the fluid pressure supply source is increased more than the fluid pressure acting on the accumulator piston when the fluid pressure in the pilot chamber is normal. Thus, it is possible in the fluid pressure control system of this invention to prevent the amount in which the operating member operates from being increased more than necessary when the output fluid pressure from the fluid pressure supply source is abnormally reduced.

摘要翻译： 一种流体压力控制系统，其包括具有活塞的操作反作用力产生装置，所述活塞包括面向压力室的前表面并且可操作地连接到操作构件，以便响应于所述操作而减小所述压力室的体积 操作员 所述流体压力控制系统还包括流体压力控制阀，其能够根据所述操作部件的操作量和连接到所述流体压力控制系统的行程累加器，调整并输出来自能够输出恒定流体压力的流体压力供给源的输出压力 压力室。 行程蓄能器具有结构布置，使得弹性偏压力通过备用活塞朝向蓄能器活塞的运动而作用在蓄能器活塞上，导向室中连接到流体压力源的流体压力异常降低 当先导室中的流体压力正常时，其增加大于作用在蓄能器活塞上的流体压力。 因此，当来自流体压力供给源的输出流体压力异常地降低时，本发明的流体压力控制系统可以防止操作构件的操作量大于必要量。

公开(公告)号：US5286097A

公开(公告)日：1994-02-15

申请号：US897048

申请日：1992-06-11

申请人： Masaaki Myoi ,  Shohei Matsuda ,  Toshio Yahagi

发明人： Masaaki Myoi ,  Shohei Matsuda ,  Toshio Yahagi

IPC分类号： B60T8/00 ,  B60T8/172 ,  B60T8/1763 ,  B60T8/58 ,  B60T8/66 ,  B60T8/70 ,  B60T8/24

CPC分类号： B60T8/172 ,  B60T8/17636 ,  B60T2210/12 ,  B60T2250/04

摘要： An anti-lock control system includes wheel speed detecting device, wheel acceleration/deceleration detecting device, vehicle pseudo-speed calculating device for calculating a vehicle pseudo-speed on the basis of a wheel speed detected by the wheel speed detecting device, storing device for storing a wheel speed or vehicle pseudo-speed at a sampling time at which the wheel acceleration/deceleration has become equal to or less than preset acceleration set at a value near "0" (zero), including "0" (zero), after passing a peak in the course of increasing of the wheel speed, speed difference calculating device for calculating a speed difference between wheel speeds or vehicle pseudo-speeds stored currently and last time in the storing device, lapsed-time counting device for counting the time lapsed from the last sampling time to the current sampling time, and division device for dividing the speed difference by the lapsed time to provide a value corresponding to a friction coefficient of a road surface. In this anti-lock control system, a value corresponding to a friction coefficient can be obtained with a good accuracy without any influence by an instantaneous behavior of a wheel.

摘要翻译： 防抱死控制系统包括车轮速度检测装置，车轮加速/减速检测装置，用于根据由车轮速度检测装置检测到的车轮速度计算车辆伪速度的车辆伪速度计算装置，用于 在车轮加速/减速已经变得等于或小于设置在接近“0”（零）的值的预设加速度的采样时间（包括“0”（零））之后的车速或车辆伪速度，包括“0”（零） 在增加车轮速度的过程中通过峰值，用于计算存储装置中当前和最后存储的车轮速度或车辆伪速度之间的速度差的速度差计算装置，用于计数经过的时间的经过时间的计数装置 从最后采样时间到当前采样时间，以及用于将速度差除以经过时间的分频装置，以提供对应于 路面。 在这种防抱死控制系统中，可以以良好的精度获得对应于摩擦系数的值，而不受轮的瞬时行为的任何影响。

公开(公告)号：US5269596A

公开(公告)日：1993-12-14

申请号：US900773

申请日：1992-06-22

申请人： Shohei Matsuda ,  Jiro Suzuki ,  Tsuyoshi Satoh ,  Kazutoshi Tashima ,  Toshio Yahagi

发明人： Shohei Matsuda ,  Jiro Suzuki ,  Tsuyoshi Satoh ,  Kazutoshi Tashima ,  Toshio Yahagi

IPC分类号： B60T8/175 ,  B60T8/48 ,  B60T8/32

CPC分类号： B60T8/175 ,  B60T8/48

摘要： A traction control method for a vehicle according to the present invention for generating braking forces in the brake devices for driving wheels when excessive slipping has occurred in the drive wheels involves an independent control mode for independently controlling respective braking forces of the plurality of drive-wheel brake devices and a collective control mode for collectively controlling the braking forces. These two control modes are interchangeable with each other. This enables traction control which can insure both reliable driving force and high stability.

摘要翻译： 根据本发明的用于在驱动轮中发生过度滑动时在用于驱动车轮的制动装置中产生制动力的牵引力控制方法包括用于独立地控制多个驱动轮的各个制动力的独立控制模式 制动装置和用于集体控制制动力的集体控制模式。 这两种控制模式可互换。 这使牵引力控制能够确保可靠的驱动力和高稳定性。