NDLI: A real-time distributed software infrastructure for cooperating mobile autonomous robots

Content Provider	IEEE Xplore Digital Library
Author	Santos, F. Almeida, L. Pedreiras, P. Lopes, L.S.
Copyright Year	2009
Description	Author affiliation: IEETA - DETI, Univ. Aveiro, Portugal (Pedreiras, P.; Lopes, L.S.) \|\| DEEC - FEUP, Univ. Porto, Portugal (Almeida, L.) \|\| DEE - ISEC, I. P. Coimbra, Portugal (Santos, F.)
Abstract	Cooperating mobile autonomous robots have been generating a growing interest in fields such as rescue, demining and security. These applications require a real time middleware and wireless communication protocol that can effecient and timely support the fusion of the distributed perception and the development of coordinated behaviors. This paper proposes an affordable middleware, based on low-cost and open-source COTS technologies, which relies on a real-time database partially replicated in all team members, containing both local and remote state variables, in a distributed shared memory style. This provides seamless access to the complete team state, with fast non-blocking local operations. The remote data is updated autonomously in the background by a WiFi-based wireless communication protocol, at an adequate refresh rate. The software infrastruture is complemented with a task manager that provides scheduling and synchronization services to the application processes on top of the Linux operating system. Such infrastructure has been successfully used for four years in one RoboCup middle-size soccer team, and it has proved to be dependable in the presence of uncontrolled spurious traffic in the communication channel, using an adaptive technique to synchronizating the robots in the team and reconfiguring the communications dynamically and automatically according to the number of currently active team members.
Starting Page	1
Ending Page	6
File Size	188410
Page Count	6
File Format	PDF
ISBN	9781424448555
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	GPS Gesellschaft
Subject Keyword	Mobile robots Robot kinematics Application software Middleware Wireless communication Wireless application protocol Fusion power generation Data security Open source software Distributed databases
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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