METHOD TO SCALE INERTIAL LOCATION DATA USING DIRECTIONAL AND/OR SCALE CONFIDENCE CONSTRAINTS

Title:

METHOD TO SCALE INERTIAL LOCATION DATA USING DIRECTIONAL AND/OR SCALE CONFIDENCE CONSTRAINTS

Document Type and Number:

WIPO Patent Application WO/2014/145165

Kind Code:

A3

Abstract:

Methods, systems, and computer readable storage media are presented for directional scaling of inertial path data to satisfy ranging constraints. The presented techniques take into account scaling confidence information. In addition to bounding potential scale corrections based on the reliability of the inertial path and the magnetic heading confidence, the techniques bound potential scale, parameters based on constraints and solve for directional scale parameters.

Inventors:

FUNK BENJAMIN E (US)
HAKIM DANIEL (US)
KARVOUNIS JOHN (US)
TEOLIS CAROLE (US)

Application Number:

PCT/US2014/029881

Publication Date:

April 16, 2015

Filing Date:

March 15, 2014

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Assignee:

TRX SYSTEMS INC (US)

International Classes:

G01C21/00

Foreign References:

US20090043504A1	2009-02-12
US20100150117A1	2010-06-17
US20070260418A1	2007-11-08
US20120136573A1	2012-05-31

Attorney, Agent or Firm:

CASEY, Timothy, D. (Cira Centre 12th Floor,2929 Arch Stree, Philadelphia PA, US)

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