JPS62191511U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a schematic configuration diagram showing an embodiment of this invention, Fig. 2 is a block diagram showing an example of a control device applicable to this invention, and Fig. 3 is a diagram showing slip ratio S, longitudinal load, and driving force. It is a graph showing the relationship with ratio F/W. In the figure, 11FL to 11RR are suspension devices, 13FL to 13RR are drive wheels, 15 is a hydraulic cylinder, 17 is a stroke sensor, 18 is a direction control valve, 24FL to 24RR are rotation speed detectors, 2
5 is a control device, 26f and 26r are subtraction circuits, 27
f, 27r are target value setting circuits, 28FL to 28R
R is a comparison part.

Claims (1)

[Scope of utility model registration request] A four-wheel suspension of a vehicle is configured with a fluid pressure cylinder inserted between a wheel side and a vehicle body side, and a fluid control valve that controls the amount of fluid supplied to the fluid pressure cylinder, and the fluid control valve is controlled. In a suspension device capable of changing the amount of load movement of front and rear left and right wheels, the suspension device includes a pair of rotational speed detection means for detecting the rotational speed of the left and right drive wheels, respectively, and a rotational speed detection value of the rotational speed detection means. , a high-speed side drive wheel detection means for detecting a drive wheel on the side with a higher rotation speed; and a fluid control valve configured to increase the longitudinal load on the high-speed side drive wheel based on the detection result of the high-speed side drive wheel detection means. A suspension device for a vehicle, comprising: a control unit that controls the vehicle suspension device;