Vehicle wheel rotation detecting system and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 6, 2003
Grant Date -
Apr 11, 2002
app pub date -
Sep 21, 2001
filing date -
Sep 29, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a vehicle wheel rotation detecting system, a signal input portion of an ECU accurately detects a vehicle wheel speed and a rotating direction of the vehicle wheel speed of the respective wheels. On the basis of the detected results, the respective computers are operated to perform ABS control, TC control and VSC control. When a computing result of the vehicle wheel speed is equal to or greater than a predetermined value, a change in the rotating direction is inhibited. This may prevent an error in the result of detection of the wheel rotating direction owing to an external magnetic filed and the like so as to further optimize the vehicle state control.
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