Control of independent steering actuators to improve vehicle stability and stopping
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 13, 2004
Grant Date -
Oct 25, 2001
app pub date -
Feb 12, 2001
filing date -
Feb 11, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An independent steering and/or braking control to improve motor vehicle stability and stopping utilizes a steer-by-wire system that includes a steering input system, a controller in electronic communication with the steering input system, and a plurality of roadwheel systems. Each of the roadwheel systems is in electronic communication with the controller, and each roadwheel system includes a steering actuator and a steerable wheel rotatably and operably connected to the steering actuator. The steerable wheel is configured to be angled independent of other steerable wheels and relative to a direction of travel of the motor vehicle. A method of stopping the motor vehicle as it travels includes angling a pair of the steerable wheels thereof in opposing directions. The direction of the motor vehicle can also be controlled by angling the pair of steerable wheels in opposing directions and adjusting the angle of the pair of steerable wheels If the motor vehicle is articulating a turn, its direction of travel can also be controlled by angling one of the steerable wheels and steering with the other of the steerable wheels. In addition, the angle of the steerable wheels can be adjusted to compensate for lateral disturbance without driver involvement.
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