The algebraic Riccati equation of the optimal control problem associated with the discrete-time system x(k + 1) = Fx(k) + Gu(k) is studied. It is shown that in the case of a controllable system, there exist solutions with prescribed unmixed characteristic polynomial of the corresponding closed-loop matrix. Existence of solutions will also be proved under the weaker condition of modulus-controllability. Maximal solutions are discussed.
机构:
Univ Politech Bucharest, Fac Automat Control & Comp, RO-060042 Bucharest, RomaniaUniv Politech Bucharest, Fac Automat Control & Comp, RO-060042 Bucharest, Romania
Oara, Cristian
Andrei, Raluca
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机构:
Univ Politech Bucharest, Fac Automat Control & Comp, RO-060042 Bucharest, RomaniaUniv Politech Bucharest, Fac Automat Control & Comp, RO-060042 Bucharest, Romania