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An Improved Approach for Stability Analysis of Discrete System

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Abstract

This paper presents an improved technique to analyze the stability margin of the discrete systems. The presented approach is based on the reduced conservatism of eigenvalues and scaling of Gerschgorin circles. The mathematical proof and sufficient condition with suitable scaling is stated for the conservatism of eigenvalues. Moreover, the presented technique is demonstrated with the numerical examples. Further, the improved results are compared with the existing methods.

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Authors and Affiliations

  1. Department of Electrical and Electronics Engineering, Birla Institute of Technology and Science, Pilani, Dubai Campus, International Academic City, Dubai, UAE

    Vilas H. Gaidhane

  2. Department of Electrical Engineering, Indian Institute of Technology (IIT), Roorkee, India

    Yogesh V. Hote

Authors
  1. Vilas H. Gaidhane
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  2. Yogesh V. Hote
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Correspondence to Vilas H. Gaidhane.

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Gaidhane, V.H., Hote, Y.V. An Improved Approach for Stability Analysis of Discrete System. J Control Autom Electr Syst 29, 535–540 (2018). https://doi.org/10.1007/s40313-018-0396-5

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  • DOI: https://doi.org/10.1007/s40313-018-0396-5

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