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A simple necessary condition and sufficient condition for robust Hurwitz stability of interval polynomial is obtained using the results of Nie [13] for fixed polynomials. These conditions provide a simple and quick test to detect many unstable systems. Furthermore, these conditions are used to derive a robust controller for interval plants which involves less computational complexity compared to extreme...
Textures play important roles in many image processing applications, since images of real objects often do not exhibit regions of uniform and smooth intensities, but variations of intensities with certain repeated structures or patterns, referred to as visual texture. The textural patterns or structures mainly result from the physical surface properties, such as roughness or oriented structured of...
Identification of an individual using its fingertip impression is becoming most common today. Identification and authentication are used to declare the correct and true identity of a user. But an important shortcoming of these systems has shown that it is very easy to deceive the fingerprint scanners using artificial replicas of original fingerprints. In order to address this, it is need to identify...
In this paper, a method is proposed for design of a robust controller for interval process systems in the presence of parametric uncertainties. The method uses a necessary condition and sufficient condition for stability of interval polynomial. These conditions are used to derive a set of inequalities in terms of the compensator parameters which can be solved to obtain a robust controller. The method...
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