Bru, Rafael; Coll, Carmen; Romero-Vivo, Sergio; Sánchez, Elena Some problems about structural properties of positive descriptor systems. (English) Zbl 1060.93065 Benvenuti, Luca (ed.) et al., Positive systems. Proceedings of the first multidisciplinary international symposium on positive systems: Theory and applications (POSTA 2003), Rome, Italy, August 28–30, 2003. Berlin: Springer (ISBN 3-540-40342-6/pbk). Lecture Notes in Control and Information Sciences 294, 233-240 (2003). Summary: The reachability and controllability of positive descriptor systems are analyzed. Without nonnegative restrictions on the system, the reachability property is invariant under state feedbacks, but this is not true when a positive system is considered. In this work, some conditions on feedbacks are studied to obtain closed-loop positive systems preserving a structural property. In this way, it is worthwhile to obtain the corresponding reachable canonical form.For the entire collection see [Zbl 1031.93004]. Cited in 1 ReviewCited in 16 Documents MSC: 93C55 Discrete-time control/observation systems 93B03 Attainable sets, reachability 93B20 Minimal systems representations PDFBibTeX XMLCite \textit{R. Bru} et al., Lect. Notes Control Inf. Sci. 294, 233--240 (2003; Zbl 1060.93065)