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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 5    
Website: http://www.ijser.org
scirp IJSER >> Volume 2, Issue 5, May 2011 Edition
Design and Development of Fault Tolerent Control system for an Infant Incubator
Full Text(PDF, 3000)  PP.  
Author(s)
Suswetha Parisineti, Eswaran.P
KEYWORDS
Sensor fault tolerant control, real time based, microcontroller, FTCS.
ABSTRACT
This paper proposes the design and implementation of real time monitoring of an infant incubator, based on sensor fault tolerant control system, using a PIC microcontroller. Temperature and humidity are two parameters considered for the design infant incubator. The purpose of a Fault tolerant control systems (FTCS) scheme is to ensure that faults do not result in malfunctioning and system failure and to achieve the of best performance even with minimum number of sensors working. Fault tolerant control systems (FTCS) have ability to detect sensor fault automatically and to isolate faulty sensor which leads to system failure. The fault detection and the isolation (FDI) problem is an inherently complex one and for this reason the immediate goals are to preserve the stability of the process and, if is possible, to control and continue the process in a slightly degraded manner. The role of the FDI algorithms is that the control equipment must automatically isolate the faulted area, to adopt the correct attitude, to generate, to choose and to validate the correct decision. Prototype of infant incubator using FTCS was implemented by using redundant sensor with Build in self test (BIST) facility.
References
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[2] Simon BN, Reddy NP, Anand K.A theoretical model of an infant incubator dynamics J. Biomech Eng; 116:263-6, 1994.

[3] Patton, R.J. (1997) Fault-tolerant control: the 1997 situation. Proceedings of the IFAC SAFE PROCESS, 2, 1033-1055.

[4] S. S. Yang, Haider A. F. Mohamed, M. Moghavvemi, P. H. Ng. Real-time Model Based Sensor Fault Tolerant Control System on a Chip.

[5] Blanke, M., Staroswiecki, M., Wu, N.E. (2001).Concepts and Methods in Fault- Tolerant Control. Proceedings of the American Control Conferences, 4, 2606-2620.

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