System for vehicle body roll control detecting and compensating for rapid rate of change of steering angle as during emergency steering

Patent · Mon Feb 20 23:00:00 EST 1989

OSTI ID:6239655

Ikemoto, H; Owa, N; Hayashi, Y; Doi, S

This patent describes a vehicle roll control system of vehicle height adjustment type, comprising: a plurality of actuator assemblies, each corresponding to one of the vehicle wheels and resiliently suspending the corresponding vehicle wheel from the vehicle body; a plurality of control means, each corresponding to one of the actuator assemblies and serving to supply control signals to the corresponding actuator assembly; a plurality of vehicle height detecting means, each corresponding to one fo the vehicle wheels and serving for sensing a parameter Hi representative of the height of the vehicle body over the corresponding vehicle wheel; a vehicle speed detecting means for sensing a road speed of the vehicle; a steering angle detecting means for sensing a steering angle of the vehicle; a steering angle change rate of detecting means for detecting the rate of change of the steering angle of the vehicle; a means for detecting an actual roll angle phi/sub t/ of the body of the vehicle; and a means for computing and control adapted to compute the differences ..delta..Hi.

• Assignee: Toyota Jidosha Kabushiki Kaisha, Toyota
• Patent Number(s): US 4807128
• OSTI ID: 6239655
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330600* -- Advanced Propulsion Systems-- Vehicle Design Factors
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
ACTUATORS
COMPUTERIZED CONTROL SYSTEMS
CONTROL
CONTROL SYSTEMS
DESIGN
EQUIPMENT PROTECTION DEVICES
FAILURES
INCIDENCE ANGLE
ORIENTATION
SAFETY
VEHICLES
WHEELS