NDLI: Robust fault detection and reconfigurable control of distributed energy generation systems

Content Provider	IEEE Xplore Digital Library
Author	Yulei Sun El-Farra, N.H.
Copyright Year	2011
Description	Author affiliation: Dept. of Chem. Eng. & Mater. Sci., Univ. of California, Davis, CA, USA (Yulei Sun; El-Farra, N.H.)
Abstract	This paper focuses on robust model-based fault detection and fault-tolerant control of distributed energy generation systems subject to time-varying external disturbances and control actuator faults. An observer-based output feedback controller that enforces robust stability with an arbitrary degree of disturbance attenuation in the absence of faults is initially designed for each subsystem. Fault detection is performed locally by comparing the output of the observer with that of the system, and using the discrepancy as a residual. An explicit characterization of the fault-free behavior of the closed-loop system is obtained in terms of a time-varying bound that captures the effects of discrete measurement sampling, plant-model mismatch, and external disturbances. This characterization is used to derive a time-varying alarm threshold on the residual for robust fault detection, and a controller reconfiguration law that determines the feasible fall-back control configurations that preserve robust stability and minimize performance deterioration. Contingency measures in the event that local fault recovery is not possible are discussed. Finally, the design and implementation of the integrated monitoring and fault-tolerant control architecture are demonstrated using a simulated model of a solid oxide fuel cell plant.
Sponsorship	Control Syst. Soc.
Starting Page	2671
Ending Page	2676
File Size	600471
Page Count	6
File Format	PDF
ISBN	9781457700804
ISSN	07431619
e-ISBN	9781457700811
DOI	10.1109/ACC.2011.5991306
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Robustness Fuel cells Stability analysis Temperature control Fault detection Fault tolerance
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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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