Systems with delays appear frequently in engineering; typical examples of time-delay
systems are communication networks, chemical processes and tele-operation systems. The …

Associated with a skew-symmetric linear operator on the spatial domain a,b we define a
Dirac structure which includes the port variables on the boundary of this spatial domain. This …

This survey is an introduction to well-posed linear time-invariant (LTI) systems for non-
specialists. We recall the more general concept of a system node, classical and generalized …

We analyze the sensitivity of linear quadratic optimal control problems governed by general
evolution equations with bounded or admissible control operator. We show, that if the …

X-ray computed microtomography (XCMT) has been applied to ceramic samples of different
materials to visualise, for the first time at this scale, real 3D microstructural evolutions during …

By introducing a new stabilization methodology, this book characterizes the stability of a
certain class of systems. The stability (exponential, polynomial, or weaker) for the closed …

Let U be a Hilbert space. By an ℒ (U)-valued positive analytic function on the open right half-
plane we mean an analytic function which satisfies the condition. This function need not be …

A second-order hyperbolic system with collocated sensor/actuator is considered. The
semigroup generation is shown for the closed-loop system under the feedback of a generic …

In this paper, we develop dissipation inequalities for a class of well-posed systems
described by partial differential equations (PDEs). We study passivity, reachability, induced …

In this paper we prove that a large class of linear evolution PDEs defines a Stokes-Dirac
structure over Hilbert spaces. To do so, the theory of boundary control system is employed …