Stabilization by output of continuous and pulse-modulated uncertain systems |
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Authors: | I E Zuber A Kh Gelig |
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Institution: | 1.St. Petersburg State University,St. Petersburg,Russia |
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Abstract: | The system ? i = ? i (?) + x i+2, \(i \in \overline {1,n - 2} \), ? n?1 = ? n?1(?) + u 1, ? n = ? n (?) + u 2,where ? i (·) are nonanticipating functionals of an arbitrary nature with the following properties—\(\left| {{\varphi _i}\left( \cdot \right)} \right| \leqslant c\sum\nolimits_{k = 1}^i {\left| {{x_k}\left( t \right)} \right|} \), \(i \in \overline {1,n} \), c = const—and u 1 and u 2 are the controls is considered. It is assumed that only the outputs x 1 and x 2 are measurable. The problem of synthesis of both continuous and impulsive controls u1 and u2, which make the system globally asymptotically stable, is solved. The solution of the problem is based on the construction of the observer-based equations, the quadratic Lyapunov function, and the averaging method. |
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