Signal processing methods

Details Signal processing methods Signal processing methods

2008-04-29

2008-04-29

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Speed

C702S189000, C702S196000

Reexamination Certificate

active

07366633

ABSTRACT:
A process for extracting at least one variable associated with a periodic signal (S, S′) including a possible continuous component, a sinusoidal fundamental component and possible harmonics. Numerical samples of the periodic signal (S, S′) are formed and special filtering is applied to monitoring of the periodic signal. Each sample is interpreted as the sum of the fundamental component and the possible continuous component of this periodic signal. This process can be applied to evaluation of the torsion of a sidewall (11) of a tire (1) fitted on a wheel under the action of torque exerted between the rim (4) of this wheel and the tread (12) of the tire (1).

REFERENCES:
patent: 4764871 (1988-08-01), Van Zanten
patent: 5913240 (1999-06-01), Drähne et al.
patent: 6293140 (2001-09-01), Lohberg
patent: 2002/0024331 (2002-02-01), Lewis et al.
patent: 2003/0060945 (2003-03-01), Varon
patent: 2003/0164036 (2003-09-01), Giustino et al.

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