Rough road detection system

Details Rough road detection system Rough road detection system

2007-11-27

2007-11-27

McCall, Eric S. (Department: 2855)

Measuring and testing

Vehicle chassis

Steering

Reexamination Certificate

active

11234008

ABSTRACT:
A rough road detection system for a vehicle according to the present invention includes a frequency domain module, an engine misfire module, and a rough road module. The frequency domain module converts a vector signal into a frequency domain signal. The engine misfire module determines whether an engine misfires based on the frequency domain signal. The rough road detection module determines whether the vehicle is driving on a rough road based on the frequency domain signal.

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patent: 5507180 (1996-04-01), Tomisawa
patent: 5515720 (1996-05-01), Remboski et al.
patent: 5544521 (1996-08-01), McCombie
patent: 6799453 (2004-10-01), Miyauchi et al.
patent: 6907341 (2005-06-01), Aono et al.
patent: 2004/0122585 (2004-06-01), Aono et al.

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