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dc.contributor.authorLakshmikantham, V.
dc.contributor.authorDrici, Zahia
dc.date.accessioned2017-06-13T13:53:04Z
dc.date.available2017-06-13T13:53:04Z
dc.date.issued1995
dc.identifier.citationLakshmikantham, V., & Drici, Z. (1995). Stability of conditionally invariant sets and controlled uncertain dynamic systems on time scales. Mathematical Problems in Engineering, 1(1), 1-10. doi:10.1155/S1024123X95000020en_US
dc.identifier.urihttp://hdl.handle.net/11141/1511
dc.description.abstractA basic feedback control problem is that of obtaining some desired stability property from a system which contains uncertainties due to unknown inputs into the system. Despite such imperfect knowledge in the selected mathematical model, we often seek to devise controllers that will steer the system in a certain required fashion. Various classes of controllers whose design is based on the method of Lyapunov are known for both discrete [4], [10], [15], and continuous [3–9], [11] models described by difference and differential equations, respectively. Recently, a theory for what is known as dynamic systems on time scales has been built which incorporates both continuous and discrete times, namely, time as an arbitrary closed sets of reals, and allows us to handle both systems simultaneously [1], [2], [12], [13]. This theory permits one to get some insight into and better understanding of the subtle differences between discrete and continuous systems. We shall, in this paper, utilize the framework of the theory of dynamic systems on time scales to investigate the stability properties of conditionally invariant sets which are then applied to discuss controlled systems with uncertain elements. For the notion of conditionally invariant set and its stability properties, see [14]. Our results offer a new approach to the problem in question.en_US
dc.language.isoen_USen_US
dc.rightsCreative Commons Attribution 3.0en_US
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/en_US
dc.titleStability of Conditionally Invariant Sets and Controlled Uncertain Dynamic Systems on Time Scalesen_US
dc.typeArticleen_US
dc.identifier.doi10.1155/S1024123X95000020


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