New relaxed stability and stabilization conditions for both discrete and differential linear repetitive processes

Boski, Marcin, Maniarski, Robert, Paszke, Wojciech and Rogers, Eric (2021) New relaxed stability and stabilization conditions for both discrete and differential linear repetitive processes. Multidimensional Systems and Signal Processing, 33, 223–245. (doi:10.1007/s11045-021-00791-y).

Record type: Article

Abstract

The paper develops new results on stability analysis and stabilization of linear repetitive processes. Repetitive processes are a distinct subclass of two-dimensional (2D) systems, whose origins are in the modeling for control of mining and metal rolling operations. The reported systems theory for them has been applied in other areas such iterative learning control, where, uniquely among 2D systems based designs, experimental validation results have been reported. This paper uses a version of the Kalman–Yakubovich–Popov Lemma to develop new less conservative conditions for stability in terms of linear matrix inequalities, with an extension to control law design. Differential and discrete dynamics are analysed in an unified manner, and supporting numerical examples are given.

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