公开(公告)号：US4691796A

公开(公告)日：1987-09-08

申请号：US773233

申请日：1985-09-06

申请人： Shigeo Tanooka ,  Yutaka Mori ,  Akihiro Oono ,  Akira Hasegawa

发明人： Shigeo Tanooka ,  Yutaka Mori ,  Akihiro Oono ,  Akira Hasegawa

IPC分类号： B62D6/02 ,  B62D5/04 ,  B62D5/06 ,  B62D5/065 ,  B62D6/00 ,  B62D5/08

CPC分类号： B62D5/062 ,  B62D5/065 ,  B62D6/00

摘要： A control apparatus for a power-assisted steering system includes a first sensor arranged to produce output signals respectively indicative of rotary angle and rotational speed of a steering shaft, a second sensor arranged to produce an output signal indicative of the vehicle speed, a first control valve arranged to control the quantity of fluid under pressure supplied through a servo valve into a hydraulic power cylinder from a hydraulic pressure source, a second control valve disposed within a bypass passage for providing bypass flow of fluid passing therethrough from the pressure source to a reservoir, and an electric control apparatus arranged to activate the first control valve in response to the output signals from the sensors in such a manner that the quantity of fluid under pressure supplied into the power cylinder is decreased in accordance with increase of the vehicle speed and increased in accordance with increase of the rotational speed of the steering shaft and being further arranged to activate the second control valve in response to the output signals from the second sensor in such a manner that the opening degree of the second control valve is increased in accordance with increase of the rotary angle of the steering shaft and decreased in accordance with increase of the rotational speed of the steering shaft.

摘要翻译： 一种用于动力辅助转向系统的控制装置，包括：第一传感器，其布置成产生分别指示转向轴的旋转角度和转速的输出信号;布置成产生指示车辆速度的输出信号的第二传感器;第一控制装置 阀，其布置成将来自伺服阀的压力下的流体的量从液压源控制到液压动力缸中;第二控制阀，设置在旁通通道内，用于提供从压力源通过的流体的旁路流到储存器 以及电控制装置，其被配置为响应于来自传感器的输出信号而激活第一控制阀，使得根据车速的增加而减小供应到动力缸中的压力下的流体的量，并且增加 根据转向轴的转速的增加而变化 被配置为响应于来自第二传感器的输出信号而激活第二控制阀，使得第二控制阀的开度根据转向轴的旋转角度的增加而增加，并且根据 提高转向轴的转速。

公开(公告)号：US4751649A

公开(公告)日：1988-06-14

申请号：US867921

申请日：1986-05-29

申请人： Kunihiko Eto ,  Yutaka Mori ,  Akihiro Oono ,  Sadamu Kato ,  Hideo Mizoguchi

发明人： Kunihiko Eto ,  Yutaka Mori ,  Akihiro Oono ,  Sadamu Kato ,  Hideo Mizoguchi

IPC分类号： B60G17/00 ,  B60G17/015 ,  B60G17/016 ,  B62D6/00 ,  B62D101/00 ,  B62D113/00 ,  G01C21/00 ,  G08G1/00 ,  B62D5/06 ,  B62D6/02

CPC分类号： B60G17/016 ,  B62D6/00

摘要： A motor vehicle is provided with a driving status discrimination device, which includes a steering angle sensor for detecting the rotational angle of a steering wheel and a microcomputer for reading and processing the steering angle signal each time the vehicle runs a predetermined distance. The microcomputer identifies one of steering angular ranges of intervals to which each detected steering angle belongs so as to record the frequency at which the steering wheel was turned to each steering angular interval. The microcomputer modifies the frequency for each steering angle interval with a weighting coefficient determined for the steering angular interval and then, calculates a total or integrated value of the modified frequencies for the steering angular intervals. Further, the microcomputer discriminates town street driving from mountain road driving based upon the integrated value so that the assisting power generated by a power steering mechanism of the motor vehicle can be controlled based upon the result of such discrimination.

摘要翻译： 机动车辆设置有驱动状态识别装置，其包括用于检测方向盘的旋转角度的转向角传感器和每当车辆行驶预定距离时用于读取和处理转向角信号的微型计算机。 微型计算机识别每个检测到的转向角所属的间隔的转向角范围，以将方向盘转向的频率记录到每个转向角间隔。 微型计算机利用为转向角间隔确定的加权系数来修改每个转向角间隔的频率，然后计算转向角间隔的修正频率的总或综合值。 此外，微型计算机基于积分值来区分城市街道驾驶与山路驾驶，从而可以基于这种歧视的结果来控制由汽车的动力转向机构产生的辅助动力。

公开(公告)号：US4763745A

公开(公告)日：1988-08-16

申请号：US865337

申请日：1986-05-21

申请人： Kunihiko Eto ,  Yutaka Mori ,  Akihiro Oono ,  Kazumasa Kodama

发明人： Kunihiko Eto ,  Yutaka Mori ,  Akihiro Oono ,  Kazumasa Kodama

IPC分类号： B60G17/00 ,  B60G17/015 ,  B62D5/06 ,  B62D6/00 ,  B62D101/00 ,  B62D6/02 ,  G05D16/00

CPC分类号： B62D6/00 ,  B62D5/06 ,  B60G2400/824

摘要： A motor vehicle is provided with a driving status discrimination device, which includes a detector for detecting a parameter signal (e.g., vehicle speed, engine rotational speed, the opening degree of an engine throttle valve, or the like) relating to the driving speed of the motor vehicle at a predetermined interval, and a microcomputer for processing the parameter signals input thereto. The microprocessor calculates a differentiated value of the parameter signal and stores the differential value in a memory device. The memory device has a plurality of memory locations each storing the differential value. The microprocessor futher calculates an integrated value of a plurality of differentiated values stored in the memory device and discriminates various driving status from one another (e.g., a mountain road driving from a high speed driving) based upon the calculated integrated value.

摘要翻译： 机动车辆设置有驾驶状态识别装置，其包括用于检测与驾驶状况相关的驱动状态识别装置的驱动速度的参数信号（例如，车速，发动机转速，发动机节气门阀的开度等） 以及用于处理输入到其中的参数信号的微型计算机。 微处理器计算参数信号的微分值，并将差分值存储在存储器件中。 存储器件具有多个存储位置，每个存储位置存储差分值。 微处理器还计算存储在存储装置中的多个微分值的积分值，并基于计算出的积分值来区分彼此的各种驱动状态（例如，从高速行驶驾驶的山路）。