NDLI: Positioning Algorithm With Joint Space–Time Constraints for Unmanned Network-Flying Vehicles

Content Provider	IEEE Xplore Digital Library
Author	Wei-Ming Xu Lin-Ling Kuang Jian-Hua Lu
Copyright Year	1980
Abstract	Unmanned network-flying vehicles (UNFVs), regarded as special remote-sensing platforms, are affected by attitude maneuvering, gravity, climatic change, and atmospheric turbulence. To improve the positioning precision of the UNFVs and accomplish autonomous navigation in the case of communication and/or tracking failure, a tracking positioning algorithm with joint space-time constraints (PAST) is proposed. In particular, the adaptive truncated normal distribution model is adopted to describe the distribution of the vehicle maneuvering acceleration with reduced delay effect of the vehicle tracking. Then, according to the spatial correlation of the UNFVs in adjacent moment, a spatial adjustment datum is combined with a time-domain strong tracking filter by Lagrange method of multipliers. As such, the rank deficiency in the measurement equation is resolved while the spatial correlation of the UNFV tracking enhanced. Furthermore, for the autonomous navigation of the UNFVs which depends little on the Earth- or satellite-based tracking, telemetry, and command, we utilize an ldquoanchorrdquo technology to further improve the PAST algorithm. Monte Carlo simulation results show that, compared with existing positioning methods, the proposed algorithm may continuously track sudden motion, rapidly respond to network communication failure, and greatly increase positioning precision for slowly moving vehicles.
Sponsorship	IEEE Geoscience and Remote Sensing Society IEEE URSI
Starting Page	2694
Ending Page	2704
Page Count	11
File Size	803401
File Format	PDF
ISSN	01962892
Volume Number	47
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space vehicles Remotely operated vehicles Remote sensing Gravity Navigation Gaussian distribution Atmospheric modeling Acceleration Delay effects Time domain analysis unmanned network-flying vehicles (UNFVs) Positioning remote sensing (RS) space–time constraints strong tracking filter (STF)
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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