Method for selecting calibration data for an auto-calibrating co

Boots – shoes – and leggings

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

36457101, 364559, 33356, 73 1E, G01C 2500, G01D 1800

Patent

active

052970639

ABSTRACT:
A method for selecting calibration data which uses mean square error to minimize variations in the calculated origins of the earth's magnetic field vector. A microcomputer having a memory calculates and stores the origin of the earth's magnetic field vector from the last three headings or data points. The x and y coordinates of the origins are summed with all the previous x and y coordinates and the mean square errors of the x and y coordinates are calculated. A figure of merit for the mean square errors is calculated. An adjusted origin is determined and stored by weighing the newly calculated origin by a figure of merit and adding it to the previous origin. Provision is made for reinitializing all quantities to zero when the sum of the mean square errors exceeds a predetermined maximum.

REFERENCES:
patent: 3899834 (1975-08-01), Harrison, Jr.
patent: 3975621 (1976-08-01), Fowler
patent: 3991361 (1976-11-01), Mattern et al.
patent: 4179741 (1979-12-01), Rossani
patent: 4424631 (1984-01-01), Franks
patent: 4425717 (1984-01-01), Marcus
patent: 4497034 (1985-01-01), Kuno et al.
patent: 4505054 (1985-03-01), Clark et al.
patent: 4546551 (1985-10-01), Franks
patent: 4622646 (1986-11-01), Waller et al.
patent: 4677381 (1987-06-01), Geerlings
patent: 4698912 (1987-10-01), Fowler et al.
patent: 4797841 (1989-01-01), Hatch
patent: 4807462 (1989-02-01), Al-Attar
patent: 5046031 (1991-09-01), Wanous
patent: 5165269 (1992-11-01), Nguyen

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for selecting calibration data for an auto-calibrating co 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 selecting calibration data for an auto-calibrating co, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for selecting calibration data for an auto-calibrating co will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-442006

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.