NDLI: The study of fault tolerant system design using complete evolution hardware

Content Provider	IEEE Xplore Digital Library
Author	Subbiah, P. Ramamurthy, B.
Copyright Year	2005
Description	Author affiliation: Dept. of Electron. & Commun., JNTU Univ., Andhra Pradesh, India (Subbiah, P.)
Abstract	Process engineering, process design and simulation, process supervision, control and estimation, process fault detection and diagnosis rely on the effective processing of unpredictable and imprecise information. A majority of applications require cooperation of two or more independently designed, separately located, but mutually affecting subsystems. In addition to good behavior of each of the subsystems, an effective coordination is very important to achieve the desired overall performance. Such a co-ordination can permit the use of commercially designed subsystems to perform more sophisticated tasks than at present and improve the operational reliability. However, such a co-ordination is very difficult to attain mainly due to the lack of precise system models and/or dynamic parameters. In such situations, the evolvable hardware (EHW) techniques, which can achieve the sophisticated level of information processing the brain is capable of, can excel. In this paper, a new multiple-sensor coordinator based sensor validation scheme combining the techniques of evolvable hardware and neural networks, is presented. The idea of this work is to develop a system that is resistant or tolerant to sensor failures (fault tolerance) by utilizing multiple sensor inputs connected to a programmable VLSI chip. The proposed system can be views as process modeling formalism and given the appropriate network topology; is capable of characterizing non linear functional relationships. The structure of the resulting evolvable hardware based process model can be considered generic, in the sense that little prior process knowledge is required. The knowledge about the plant dynamics and mapping characteristics are implicitly stored within the network. The proposed system help in extending the range of operation of the conventional control systems with respect to sensor validation at no extra (hardware) costs. The proposed design algorithms focus on using the characteristics that evolved systems present like, for example adaptation, auto-regulation and learning. The proposed sensor was tested for its effectiveness by introducing different sensor failures such as: sensor fails as open circuit, sensor fails as short circuit, multiple sensor failure etc. on a real time plant and in each case the performance index was computed and found to be acceptable.
Sponsorship	IEEE Comput. Intelligence Soc
Starting Page	642
Ending Page	645
File Size	1826088
Page Count	4
File Format	PDF
ISBN	0780390172
DOI	10.1109/GRC.2005.1547370
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Process design Process control Network Reconfiguration Sensor phenomena and characterization Sensor systems Evolvable hardware Circuit testing Sensor validation Fault diagnosis Design engineering Neural Network Fault detection Fault tolerant systems Hardware
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
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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