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Perimeter estimates for reachable sets of control systems. (English) Zbl 1114.93018
In the paper nonlinear, finite-dimensional, continuous-time control systems with constant coefficient are considered. The main purpose is to investigate regularity of the reachable set for constrained controls. Using theory of nonlinear ordinary differential equations and functional analysis under some additional assumptions on nonlinear function in the state equation, several properties of the reachable sets are formulated and proved. Moreover, many remarks and comments on reachable sets are also presented. Finally, it should be pointed out, that similar problems have been recently considered in the paper of C. Sinestrari [Commun. Pure Appl. Anal. 13, No. 4, 757–774 (2004; Zbl 1064.49024)] and in the monograph of J. P. Aubin and H. Frankowska [Set-valued analysis’, Boston etc.: Birkhäuser (1990; Zbl 0713.49021)].

93B03 Attainable sets, reachability
93C15 Control/observation systems governed by ordinary differential equations
49J15 Existence theories for optimal control problems involving ordinary differential equations
93C10 Nonlinear systems in control theory
93B05 Controllability
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