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Motivated by the passivity-based nonlinear model predictive control (NMPC) scheme reported in [1], in this paper, we propose a robust stabilizing output feedback NMPC scheme by using passivity and disspativity. Model discrepancy between the nominal model and the real system is characterized by comparing the outputs for the same excitation function, and with this kind of characterization, we are able...
In Cyber-Physical Systems large numbers of heterogeneous cyber and physical subsystems are networked, are interacting tightly, may change dynamically and may expand or contract. Designing and preserving properties of a CPS over its lifespan is very challenging. Passivity and dissipativity are energy like concepts that offer great promise in guaranteeing properties, such as stability, in complex heterogeneous...
Most of the work on event-triggered control in the literature is based on static state-feedback controllers. In this paper, a dynamic output feedback based event-triggered control scheme is introduced for stabilization of Input Feed-forward Output Feedback Passive (IF-OFP) networked control systems (NCSs), which is a more general case compared with the passive and the OFP systems investigated in our...
When network induced delays are considered in the event-triggered control literature, they are typically delays from the plant to the controller and a tight bound on the admissible delays is usually imposed based on the analysis of inter-event time. In [19], a dynamic output feedback based event-triggered control scheme is introduced for stabilization of input feed-forward output feedback passive...
Passivity indices are defined in terms of an excess or shortage of passivity, and they have been introduced in order to extend the passivity-based stability conditions to more general cases for both passive and non-passive systems. While most of the work on passivity-based stability results in the literature focuses on employing the feedback interconnection of passive or non-passive systems, our results...
It is well known that a negative feedback interconnection of passive systems is passive. However, the extension of this fundamental property to the case of negative feedback interconnection of dissipative systems, which is a more general case, remains largely unaddressed. In this paper, we demonstrate that a negative feedback interconnection of dissipative systems, under appropriate assumptions, could...
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