System for vehicle body roll control utilizing steering angle de

Details System for vehicle body roll control utilizing steering angle de System for vehicle body roll control utilizing steering angle de

1986-10-21

1987-09-15

Love, John J.

Land vehicles

Wheeled

Running gear

280772, 280689, B60G 1126

Patent

active

046934936

ABSTRACT:
In this system for vehicle roll control, a plurality of actuator assemblies are provided, one corresponding to each one of the vehicle wheels and resiliently suspending it from the vehicle body. These actuator assemblies have pressure chambers, and each is adapted to increase or decrease the vehicle height at a location corresponding to its corresponding vehicle wheel as respective results of supplying or discharging of working fluid to or from its pressure chamber. A plurality of working fluid supplying and discharging valves are provided corresponding to the actuator assemblies and serve to supply working fluid to the working fluid chambers and to discharge working fluid from the working fluid chambers. A vehicle speed detector senses the road speed of the vehicle, and a steering angle detector senses the steering angle of the vehicle. A control computer computes a steady state roll angle .phi..sub..infin. of the vehicle body from the vehicle speed sensed by the vehicle speed detector and the steering angle sensed by the steering angle detector, and computes a difference value .phi. based thereon, the control computer being adapted to control the working fluid supplying and discharging valves according to the difference value .phi. when the absolute value of the difference value .phi. is larger than a determinate value.

REFERENCES:
patent: 4555126 (1985-11-01), Ishimitsu et al.
patent: 4624477 (1986-11-01), Kumagai et al.
patent: 4625993 (1986-12-01), Williams et al.

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