Root Distribution and Stability Analysis of Two Dimensional Linear Discrete Systems Using Sign Criterion with Real Coefficients

نویسنده

  • P Ramesh
چکیده

A new idea was proposed to find out the stability and root location of two dimensional linear time invariant discrete system (LTIDS) for real coefficient polynomials. For determining stability the sign criterion is synthesized from the jury’s method for stability which is derived from the characteristic polynomial coefficients of the discrete system. The number of roots lying inside or outside the unit circle and hence on the unit circle are directly determined from the proposed single modified jury tabulation and the sign criterion. The proposed scheme is simple the examples are given to bring out the merits of the proposed scheme which is also applicable for the singular and non-singular cases.

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تاریخ انتشار 2016