Intelligent braking system and method
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Sep 28, 2005
filing date -
Dec 17, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A distance, speed and direction sensitive processor coupled to a brake controller. The processor executes instructions to compare actual vehicle performance with that of a deceleration profile and modulates the brake controller to bring vehicle performance into agreement with the profile. Distance information is provided by a radar sensor for long ranges, an ultrasonic sensor for medium ranges, and a wheel rotation sensor for short ranges. Speed information is provided by a vehicle mounted sensor or calculated by the processor based on distance. Direction information is provided by a vehicle mounted switch or determined by the processor based on distance. The brake controller includes a hold valve and a dump valve, each of which is modulated with a pulse train signal.
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