Vehicle acceleration detector

Details Vehicle acceleration detector Vehicle acceleration detector

1998-07-31

2000-12-19

Fuller, Benjamin R.

Measuring and testing

Vehicle chassis

Steering

731181, G01L 326

Patent

active

061614270

ABSTRACT:
A rotation pulse signal is generated according to a vehicle speed sensor. An acceleration detector calculates a threshold value of a pulse cycle on a subsequent occasion based on a latest pulse cycle and an acceleration which it is desired to detect. By comparing the pulse period on the subsequent occasion with the threshold value, it is determined whether or not a specified acceleration has been reached. After this determination, a threshold value for the subsequent occasion is calculated. By detecting whether the specified acceleration has been reached without calculating an acceleration value, the time from output of the pulse signal to detection of the specified acceleration is shortened.

REFERENCES:
patent: 4752883 (1988-06-01), Asakura et al.
patent: 5589817 (1996-12-01), Furness

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