State-space Realisations of Linear 2-D Systems with by Krzysztof Galkowski

By Krzysztof Galkowski

This ebook demonstrates the newly built easy Operations set of rules (EOA). this can be a systematic approach for developing a variety of state-space realizations for 2-D platforms. the most important achievements of the monograph are as follows: - It presents a research-level advent to the overall sector and undertakes a comparative severe assessment of prior techniques. - It supplies a radical insurance of the theoretical foundation of the EOA set of rules. - It demonstrates the effectiveness of the EOA set of rules, for instance, by utilizing algebraic symbolic computing (using MAPLE), in addition to via evaluating this system with universal possible choices.

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Extra resources for State-space Realisations of Linear 2-D Systems with Extensions to the General nD (n > 2) Case

Example text

However, for principal polynomials we can derive both standard and singular solutions depending on the initial polynomial representation used. In Chapter 6, it will be shown how this disadvantage can be avoided by using well-defined variable transforms such as inversion or bilinear transform. 4 Initial Representations for the Elementary Operation Algorithm Consider now the problem of choosing initial matrix representations for a given 2D polynomial. 28). 7 shows that the submatrix H has unit rank.

C k= Lr ,k=O,1 ..... t 2 ; b k j =0,1 .....

The polynomials x 0. are derived in the much the same way as for the first stage in order to decrease the degree of the respective polynomials in s t or s 2. The aim, in what follows, is to obtain 24 3. The EOA for Polynomial Matrices B, (sl, s 2) = EA - H. 27) and hence the first steps of the procedure should be devoted to separate variables in all the entries of the polynomial matrix. Next, still decreasing the maximal degrees of polynomials, which is obviously connected with an augmentation of the matrix size, we can obtain a monomial matrix such that each element is a monomial in one variable (s t or s2).

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