Nonlinear Regulator Theory and an Inverse Optimal Control Problem
نویسندگان
چکیده
then, under mild restrictions on Q, thc resulting feedback system is a "good" system by most classical criteria. An equally significant result is as follows [2 I. Given a feedback control law u = -k'x for the system (I), which is known to yield an asymptotically stable closed-loop system, then a ncccssary and sufficient condition for this control law to bc optimal with respcct to a performance index of thc type (2) is that 11 + k l ( juI F)-lg12 1 (3)
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