Design of an Optimally Integrated Primary Land Arctic Navigation System. (Plas). Volume 1. System Design

This land navigation system is designed around a dual mode gyrocompass/directional gyro, and the vehicle's odometer, with occasional Transit position fixes. A baroaltimeter is used to provide height above ellipsoid needed by the Transit receiver, and a coarse digital elevation map is used to bo...

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Bibliographic Details
Main Author: McMillian, J C
Other Authors: DEFENCE RESEARCH ESTABLISHMENT OTTAWA (ONTARIO)
Format: Text
Language:English
Published: 1986
Subjects:
Land and Riverine Navigation and Guidance
*SURFACE NAVIGATION
BAROMETRIC PRESSURE
DETECTORS
DIGITAL MAPS
ELEVATION
ELLIPSOIDS
ESTIMATES
GEOMAGNETISM
HEIGHT
KALMAN FILTERING
MAGNETIC FIELDS
MODELS
NAVIGATION
ODOMETERS
OPTIMIZATION
POSITION(LOCATION)
VALVES
VEHICLES
CANADA
LAND AREAS
INTEGRATED SYSTEMS
MILITARY VEHICLES
GYRO COMPASSES
ALTIMETERS
*PLANS(Primary Land Arctic Navigation System)
*Land navigation
Arctic
Canada
Online Access:http://www.dtic.mil/docs/citations/ADA188730
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA188730
Description
Summary:This land navigation system is designed around a dual mode gyrocompass/directional gyro, and the vehicle's odometer, with occasional Transit position fixes. A baroaltimeter is used to provide height above ellipsoid needed by the Transit receiver, and a coarse digital elevation map is used to bound the error in the barometric height. An inexpensive magnetic flux valve is used, in conjunction with a geomagnetic field model, to augment the gyro and provide a rough initial heading. An eight state extended Kalman Filter was designed to process the measurements from these sensors and thus provide an optimal estimate of the vehicles position, velocity and bearing. Abstract in French.

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