NDLI: Improved ship's navigation accuracy through precise data reconstruction

Content Provider	IEEE Xplore Digital Library
Author	Dunham, S.J. Kriegsman, J.
Copyright Year	1988
Description	Author affiliation: US Naval Air Dev. Center, Warminster, PA, USA (Dunham, S.J.; Kriegsman, J.)
Abstract	A high-accuracy post-time navigation data reconstruction technique has been developed for bathymetric survey ships. The ship's navigation system integrates satellite Loran-C, inertial navigation, Doppler and electromagnetic logs and gyrocompass data. It has been necessary, for some areas, to develop post-time processing algorithms to alleviate position and velocity accuracy degradation arising from infrequent satellite fixes and limited availability of Loran-C coverage. Enhancement was achieved utilizing log velocity data to detect high-frequency inertial navigation Schuler errors. Implementation was achieved by expanding an operational 15-state Kalman smoothing algorithm, incorporating position error measurements only, to a 23-state system which included log velocity measurements.
Starting Page	509
Ending Page	513
File Size	378595
Page Count	5
File Format	PDF
DOI	10.1109/PLANS.1988.195526
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-11-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sonar navigation Satellite navigation systems Global Positioning System Marine vehicles Radio navigation Velocity measurement Silicon compounds Inertial navigation Kalman filters Smoothing methods
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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