NDLI: Self-organization in bird flight formations using diffusion adaptation

Content Provider	IEEE Xplore Digital Library
Author	Cattivelli, F. Sayed, A.H.
Copyright Year	2009
Description	Author affiliation: Department of Electrical Engineering, University of California, Los Angeles, 90095, USA (Cattivelli, F.; Sayed, A.H.)
Abstract	Flocks of birds self-organize into V-formations when they need to travel long distances. It has been shown that this formation allows the birds to save energy, by taking advantage of the upwash generated by the neighboring birds. In this work we use a simple model for the upwash generated by a flying bird, and show that a flock of birds can self-organize into a V-formation if every bird were to employ a distributed LMS algorithm, known as diffusion LMS. The algorithm requires the birds to obtain measurements of the upwash, and also to communicate with neighboring birds. The result has interesting implications. First, a simple diffusion LMS-based algorithm can account for the self-organization of birds. The algorithm is fully distributed and runs in real time. Second, that birds can self-organize based on the air pressures generated by the other birds. Third, that some form of communication among birds is crucial to achieve the flight formation.
Starting Page	49
Ending Page	52
File Size	648609
Page Count	4
File Format	PDF
ISBN	9781424451791
DOI	10.1109/CAMSAP.2009.5413240
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-13
Publisher Place	Aruba
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ant colony optimization distributed estimation Parameter estimation self-organization Conferences bird flight diffusion LMS Resonance light scattering Birds Size measurement Time measurement Random processes Least squares approximation V-formation Adaptive networks Filtering algorithms
Content Type	Text
Resource Type	Article

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
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