Method for calibrating an analog sensor

Details Method for calibrating an analog sensor Method for calibrating an analog sensor

2007-03-20

2007-03-20

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Speed

C702S094000, C702S142000

Reexamination Certificate

active

11235388

ABSTRACT:
A method for determining the absolute angle of an angle position sensor over a predetermined rotation range and in which the sensor generates a repeating periodic analog signal across the rotation range. The initial position of the sensor is stored in memory when the sensor is in a predetermined initial angular position. Thereafter, the angular position of the sensor within the rotation range is determined as a function of both the sensor output signal and the stored angular position of the sensor. The current position of the sensor is iteratively stored in memory. Additionally, the sensor output is calibrated by dividing the sensor output into a plurality of arc segments across the rotation range. A polynomial curve fit is then applied to each arc segment to determine the calibration for the sensor and this calibration data is subsequently utilized to provide a signal representative of the absolute angle of the position sensor over the rotation range.

REFERENCES:
patent: 4236595 (1980-12-01), Beck et al.
patent: 4635743 (1987-01-01), Riehl
patent: 5147010 (1992-09-01), Olson et al.
patent: 5680308 (1997-10-01), Warren
patent: 5699870 (1997-12-01), Warren
patent: 5754967 (1998-05-01), Inoue et al.
patent: 6492911 (2002-12-01), Netzer
patent: 6591179 (2003-07-01), Check et al.
patent: 6642684 (2003-11-01), Mirbach
patent: 6653746 (2003-11-01), Frenza et al.
patent: 2002/0087288 (2002-07-01), Kim
patent: 2002/0109501 (2002-08-01), Schroeder
patent: 2004/0100251 (2004-05-01), Lohberg
patent: 2004/0164733 (2004-08-01), Fukaya et al.
patent: 2005/0073297 (2005-04-01), Walter et al.

Affiliated with

Also associated with

Rating

Method for calibrating an analog sensor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for calibrating an analog sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for calibrating an analog sensor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3753703