Abstract
This paper considers two-dimensional (2D) discrete linear systems recursive over the upper right quadrant described by well known state-space models. Included are discrete linear repetitive processes that evolve over subset of this quadrant. A stability theory exists for these processes based on a bounded-input bounded-output approach and there has also been work on the design of stabilizing control laws, elements of which have led to the assertion that this stability theory is too strong in many cases of applications interest. This paper develops so-called strong practical stability as an alternative in such cases. The analysis includes computationally efficient tests that lead directly to the design of stabilizing control laws, including the case when there is uncertainty associated with the process model. The results are illustrated by application to a linear model approximation of the dynamics of a metal rolling process.
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Dąbkowski, P., Gałkowski, K., Rogers, E. et al. Strong practical stability and stabilization of discrete linear repetitive processes. Multidim Syst Sign Process 20, 311–331 (2009). https://doi.org/10.1007/s11045-009-0080-9
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DOI: https://doi.org/10.1007/s11045-009-0080-9