scholarly works

Permanent URI for this collectionhttps://repository.ui.edu.ng/handle/123456789/479

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    Post-graduate professional experience in electronic and electrical engineering
    (1994) Kamil, I. A.
    A brief but illustrative account of the author's acquired experience in the areas of consultancy, teaching and research, and repair and maintenance is presented
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    Fuzzy logic: a means of handling uncertainties in expert systems
    (2005) Kamil, I. A.
    This paper discusses on historical perspective of the evolution of fuzzy logic from the Boolean or crisp logic as well as some noteworthy objections to its use. Some fundamental notions on fuzzy set and fuzzy logic as well as the application areas are considered. The use of fuzzy logic in application involving imprecision and uncertainty is also discussed. An introductory account on expert systems and the basic components necessary for its development especially the knowledge base is presented. The main subject of this paper which is the applicability of fuzzy logic in handling of uncertainty in expert system is illustrated with two examples. Though the two illustrations used involve the use of expert systems in fault diagnosis in the field of electrical and electronic engineering which is the area of specialization of the author, they could easily be adapted to fault diagnosis in other areas.
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    A linearized thermometer circuit employing a thermistor and a diode as probing elements
    (Development Africa Consortium, 2003) Kamil, I. A.; Adegbenro, O.
    The development of a linearized thermistor-based thermometer circuit with a thermistor and a diode as the temperature probing elements is here reported. The circuit is effectively that of an op amp based logarithmic amplifier, which takes its input from another inverting op amp circuit having a thermistor in its feedback loop. The performance of the circuit is demonstrated experimentally and has been found to have a linearity error of less than 0.2%. The accuracy analysis of the circuit is also discussed.