Output feedback regulation of a class of triangular structural nonlinear systems with unknown measurement sensitivity

Hanfeng Li, Xianfu Zhang and Le Chang

International Journal of Systems Science, 2019, vol. 50, issue 13, 2486-2496

Abstract: This paper investigates the problem of global regulation via output feedback for a class of triangular structural nonlinear systems with unknown measurement sensitivity. Two kinds of triangular structure nonlinear systems, namely upper triangular systems and lower triangular systems, are considered here, and the key features of our considered systems are that there are uncertain linear growth condition in the nonlinear terms. Firstly, for a class of upper triangular nonlinear systems with unknown measurement sensitivity, an output feedback controller is designed such that global regulation of the system is achieved. Then, for a class of lower triangular nonlinear systems with unknown measurement sensitivity, global regulation is realised in a unifying framework. Finally, two simulation examples are respectively given to demonstrate the effectiveness of the theoretical results.

Date: 2019
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DOI: 10.1080/00207721.2019.1671529

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