Method for detecting lifting of rear wheel and method for controlling braking, of two wheeled vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 5, 2003
Grant Date -
Apr 10, 2003
app pub date -
Oct 10, 2001
filing date -
May 11, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To provide a technique capable of detecting lifting of a rear wheel of a two-wheeled vehicle correctly and rapidly. An estimated vehicle speed is generated by selecting the larger one of wheel speed Vf, Vr of a rear wheel and a front wheel, and attention is paid to an estimated vehicle deceleration which is computed based on the estimated vehicle speed and it is judged that lifting of the rear wheel has occurred when a degree of lowering of the estimated vehicle deceleration is a predetermined value or larger. At the time of an actual judgment, the degree of lowering of the estimated vehicle deceleration is judged to be a predetermined value or larger when one of the following items (A) and (B) is judged to be present; (A) a first condition is satisfied in which the estimated vehicle deceleration is lower than a predetermined value and in addition, a second condition is satisfied in which the first condition is fulfilled for a predetermined time or longer; (B) a third condition is satisfied in which the estimated vehicle deceleration is lower than a predetermined value within a predetermined time.
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