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公开(公告)号：US5067578A
公开(公告)日：1991-11-26
申请号：US593494
申请日：1990-10-03
IPC分类号： B60W10/04 , B60K28/16 , B60W10/06 , B60W10/10 , B60W10/11 , F02D9/02 , F02D11/10 , F02D29/00 , F02D29/02 , F02D35/00 , F02D41/04
CPC分类号： F02D35/0007 , B60K28/16 , F02D11/105 , Y10T477/68
摘要： In a traction control system for motor vehicles, a lower limit for throttle opening degree command with respect to each gear position of transmission is set up, and when the transmission is shifted up, the throttle opening degree command is decreased down to the lower limit for throttle opening degree command corresponding to the gear position assumed through the shift-up operation.
摘要翻译： 在机动车辆的牵引力控制系统中，设定相对于变速器的各档位的节气门开度指令的下限，当变速器向上移动时，节气门开度指令减小到下限 对应于通过上移操作而假定的档位的节气门开度指令。
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公开(公告)号：US5079709A
公开(公告)日：1992-01-07
申请号：US633176
申请日：1990-12-28
CPC分类号： B60K28/16
摘要： A method of controlling a traction of a vehicle, comprising the steps of reading a value determining a throttle opening and closing speed from a first throttle control map from which said throttle opening and closing speed are determined on the basis of a difference in speed between a driving and non-driving wheel speeds and of an acceleration of the driving wheel, and converting said value to an actual throttle opening and closing speed with a conversion rate corresponding to an acceleration of the non-driving wheel thereby controlling the throttle of the vehicle.
摘要翻译： 一种控制车辆的牵引力的方法，包括以下步骤：从第一节气门控制图读出确定节气门开度和关闭速度的值，根据该第一节气门控制图来确定所述节气门开启和关闭速度， 驱动和非驱动车轮速度以及驱动轮的加速度，并且以与非驱动轮的加速度对应的转换速率将所述值转换为实际的节气门开闭速度，从而控制车辆的节气门。
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公开(公告)号：US5180027A
公开(公告)日：1993-01-19
申请号：US593566
申请日：1990-10-05
申请人： Naoyuki Hagiya
发明人： Naoyuki Hagiya
IPC分类号： B60K28/16
CPC分类号： B60K28/16
摘要： A traction control system for motor vehicles in which the occurrence of on-driving wheel speed is monitored during a time interval which begins when the traction control starts to a predetermined time period which elapses therefrom. In the event that no occurrence of no-driving wheel speed is detected during the aforementioned time interval, the throttle opening degree command value prevailing at the end of the time interval is decreased to a predetermined lower limit value in response thereto, while at the same time the control is changed to a low friction coefficient control mode.
摘要翻译： 一种用于机动车辆的牵引力控制系统，其中在从牵引力控制开始到从其经过的预定时间段开始的时间间隔期间监视驾驶车轮速度的发生。 在上述时间间隔内没有检测到无驱动车轮速度的情况下，在时间间隔结束时主要的节气门开度指令值相应地减小到规定的下限值，同时 时间控制变为低摩擦系数控制模式。
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公开(公告)号：US4773014A
公开(公告)日：1988-09-20
申请号：US946825
申请日：1986-12-29
申请人： Naoyuki Hagiya , Isao Yamaki , Hideo Akima , Akira Hoashi
发明人： Naoyuki Hagiya , Isao Yamaki , Hideo Akima , Akira Hoashi
IPC分类号： B60T8/1761 , B60T8/62 , B60T8/66 , B60T8/58
CPC分类号： B60T8/17616
摘要： An anti-skid control system for motor vehicles is disclosed wherein in case the wheel speed is equal to or lower than a minimum speed which is detectable by a microcomputer, the wheel speed is set at a predetermined threshold speed level between the minimum speed and zero, thereby preventing reduction of brake pressure from being started when the wheel is lower than the threshold speed. The anti-skid control system may also be designed such that a computed vehicle speed is set up which is approximate to the real vehicle speed; a reference speed is also set up on the basis of the computed vehicle speed in such a manner that it is lower by a predetermined amount than and follows the computed vehicle speed with such a speed difference; when the wheel speed becomes equal to or lower than a minimum speed which is detectable by a microcomputer, the wheel speed is set at a predetermined threshold speed level between the minimum speed and zero; and if a brake pressure reducing condition is prevailing at a point of time when the reference speed becomes equal to the threshold speed, then such a condition is released.
摘要翻译： 公开了一种用于机动车辆的防滑控制系统，其中在车轮速度等于或低于可由微型计算机检测到的最小速度的情况下，车轮速度被设定在最小速度和零之间的预定阈值速度水平 从而防止当车轮低于阈值速度时开始制动压力的降低。 防滑控制系统还可以被设计成使得计算出的车辆速度被设置为近似于实际车辆速度; 基于计算出的车辆速度，也以基于该速度差的方式将其设定为低于并且跟随计算出的车辆速度的预定量的参考速度; 当车轮速度等于或低于可由微型计算机检测到的最小速度时，车轮速度被设定在最小速度和零之间的预定阈值速度水平; 并且如果在基准速度变得等于阈值速度的时间点上制动减压条件存在时，则这种状态被解除。
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公开(公告)号：US5165764A
公开(公告)日：1992-11-24
申请号：US640038
申请日：1991-01-11
申请人： Katsuka Miyake , Takashi Kunimi , Fumio Kato , Hideki Kakizaki , Yukimasa Mitsude , Naoyuki Hagiya
发明人： Katsuka Miyake , Takashi Kunimi , Fumio Kato , Hideki Kakizaki , Yukimasa Mitsude , Naoyuki Hagiya
CPC分类号： B60T8/489 , B60T8/4013 , B60T8/4275 , B60T8/4872
摘要： A braking hydraulic pressure control device includes an antilock control system and a traction control system in integrally combined form. A first valve unit for preventing liquid returning is included in a hydraulic pressure master path extending from a master cylinder to a wheel cylinder of a driving wheel, a second valve unit is provided for maintaining the internal hydraulic pressure of the wheel cylinder, a hydraulic pressure return path from the wheel cylinder is connected through a third valve unit to the inlet side of the first valve unit, and a hydraulic pressure auxiliary path for supply of a braking liquid is connected to the inlet side of the second valve unit included in the hydraulic pressure master path.
摘要翻译： 制动液压控制装置包括整体组合形式的防抱死控制系统和牵引力控制系统。 用于防止液体返回的第一阀单元包括在从主缸延伸到驱动轮的轮缸的液压主路径中，设置有用于维持轮缸的内部液压的第二阀单元，液压压力 来自轮缸的返回路径通过第三阀单元连接到第一阀单元的入口侧，并且用于供应制动液的液压辅助路径连接到包括在液压中的第二阀单元的入口侧 压力主路径。
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公开(公告)号：US4717209A
公开(公告)日：1988-01-05
申请号：US947188
申请日：1986-12-29
申请人： Naoyuki Hagiya , Yuji Matsubara , Katsuya Miyake , Hideo Akima , Akira Hoashi
发明人： Naoyuki Hagiya , Yuji Matsubara , Katsuya Miyake , Hideo Akima , Akira Hoashi
IPC分类号： B60T8/72 , B60T8/172 , B60T8/1761 , B60T8/1764 , B60T8/58 , B60T8/66 , B60T8/70 , B60T8/84 , B60T8/64 , B60T8/60
CPC分类号： B60T8/58 , B60T8/17616 , B60T8/1764
摘要： An anti-skid control system for motor vehicles is provided wherein the higher one of the lefthand and righthand rear wheels is selected as a first computed speed; the lower one of the above two wheel speeds is selected as a second computed speed; the lower one of the first computed speed and lefthand front wheel speed is selected as a third computed speed; the lower one of the first computed speed and righthand front wheel speed is selected as a fourth computed speed; and a reference speed is set up on the basis of the first computed speed in such a manner that it is lower than the first computed speed by a predetermined amount and follows the first computed speed with such a speed difference. Reduction of brake pressure which has been increased, is started on the basis of the third or fourth computed speed; and in the case where the second computed speed being decelerated, goes below the reference speed, the reduction of the brake hydraulic pressure is stopped at time when the second computed speed which is now being increased as the result of the brake pressure reduction goes above the reference speed, and thereupon buildup of the brake pressure is started.
摘要翻译： 提供一种用于机动车辆的防滑控制系统，其中左后轮和右后轮中较高的一个被选择为第一计算速度; 选择上述两个车轮速度中的较低的一个作为第二计算速度; 第一计算速度和左前轮速度中的较低的一个被选择为第三计算速度; 选择第一计算速度和右前轮速度中较低的一个作为第四计算速度; 并且基于第一计算速度，以低于第一计算速度预定量并且以这样的速度差跟随第一计算速度的方式建立参考速度。 已经增加的制动压力的降低是基于第三或第四计算速度开始的; 并且在第二计算速度减速的情况下，低于基准速度时，当由于制动压力降低而正在增加的第二计算速度高于制动器压力降低时，制动液压的降低停止 参考速度，从而开始制动压力的积累。
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7.发明授权Method of computing the rotating speed of a rotating body based upon pulse train signals from a rotating speed sensor 失效基于来自旋转速度传感器的脉冲串信号来计算旋转体的旋转速度的方法
公开(公告)号：US4992730A
公开(公告)日：1991-02-12
申请号：US387131
申请日：1989-07-28
申请人： Naoyuki Hagiya
发明人： Naoyuki Hagiya
摘要： A method of computing the rotating speed of a rotating body includes the steps of setting speed computation reference time periods with respect to a pulse train signal obtained from the output of a rotating speed sensor; measuring time length from the last pulse edge in the previous speed computation reference time period to the last pulse edge in the current speed computation reference time period; and computing the rotating speed of the rotating body on the basis of the result of the time length measurement. The time point when the previous procedure of speed computation terminated corresponds to the time point when the current procedure of speed computation starts, thus making it possible to achieve continuous speed computation. In this way, an enhanced accuracy can be achieved in speed measurement for low speed range, which leads to improved control performance in anti-lock control and traction control for the low speed range.
摘要翻译： 计算旋转体的旋转速度的方法包括以下步骤：相对于从转速传感器的输出获得的脉冲串信号设定速度计算基准时间段; 在当前速度计算基准时间段内测量从前一个速度计算基准时间段中的最后脉冲沿到最后一个脉冲沿的时间长度; 并且基于时间长度测量的结果计算旋转体的旋转速度。 上一个速度计算过程的时间点对应于当前速度计算过程的时间点，从而可以实现连续的速度计算。 以这种方式，在低速范围的速度测量中可以实现更高的精度，从而在低速范围内提高防抱死控制和牵引力控制的控制性能。
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公开(公告)号：US4962824A
公开(公告)日：1990-10-16
申请号：US355901
申请日：1989-05-22
申请人： Naoyuki Hagiya , Toshifumi Maehara
发明人： Naoyuki Hagiya , Toshifumi Maehara
CPC分类号： B60T8/48 , B60T8/175 , Y10S303/05
摘要： In a traction control system for motor vehicles, a plurality of threshold values which are higher than the vehicle speed (equal to the non-driving wheel speed) are set up; the wheel speed as increasing or decreasing is compared with the above-mentioned plurality of threshold values to effect buildup or reduction of the brake fluid pressure; and holding of the brake fluid pressure is effected on the basis of a variation in the acceleration/deceleration of the driving wheel; in the case where the holding control mode in which the brake fluid pressure is held, persists for a predetermined time period or longer when the driving wheel speed is higher than a specific one of the above-mentioned plurality of threshold values, the holding control mode is switched to buildup control mode.
摘要翻译： 在机动车辆的牵引力控制系统中，设定高于车速（等于非驱动轮速度）的多个阈值， 与上述多个阈值进行比较，将车轮速度作为上升或下降进行比较，以实现制动液压力的积聚或降低; 并且基于驱动轮的加速/减速的变化来实现制动液压力的保持; 在驱动轮速度高于上述多个阈值中的特定值的情况下，保持制动液压力的保持控制模式持续规定时间以上，保持控制模式 切换到建立控制模式。
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