Systems and methods for compensating pressure sensor errors

Details Systems and methods for compensating pressure sensor errors Systems and methods for compensating pressure sensor errors

2008-04-18

2010-02-23

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Pressure

C702S098000, C123S396000, C123S399000

Reexamination Certificate

active

07668687

ABSTRACT:
A pressure sensor compensation system for a control system of an engine includes N engine-off pressure measuring modules. The N engine-off pressure measuring modules calculate differences between pressure values of a corresponding one of N pressure sensors and others of the N pressure sensors when the engine is off. The N engine-off pressure measuring modules calculate N corresponding pressure correction values based on the differences, where N is an integer greater than one. N pressure compensating modules generate N corrected pressure values when the engine is on based on N uncorrected pressure values from the N pressure sensors and the N pressure correction values.

REFERENCES:
patent: 5297064 (1994-03-01), Bauerle
patent: 6739314 (2004-05-01), Bauerle et al.
patent: 6997161 (2006-02-01), Fuwa et al.

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