Stability of adaptive systems: passivity and averaging analysis
Stability of adaptive systems: passivity and averaging analysis
Stable adaptive systems
Robust and optimal control
Robust stability of a class of polynomial families under nonlinearly correlated perturbations
Systems & Control Letters
Adaptive Control
Dissipative Systems Analysis and Control: Theory and Applications
Dissipative Systems Analysis and Control: Theory and Applications
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We are concerned in this article with controlled linear time-invariant multi input multi output systems in continuous-time. We study here the preservation under strict positive real substitutions (of zero relative degree) of coprime factorisations as well as stabilising properties in parametrised controllers. We also tackle here both the preservation of well-posedness (of the tracking feedback control scheme) and the preservation of H∞-optimality properties in some classes of closed-loop systems affected by multiplicative unstructured uncertainty, including the so-called suboptimal H∞-control problem by stable controllers (i.e. preservation of both strong stabilisation and H∞-boundedness).