An internal model approach to (optimal) frequency regulation in power grids with time-varying voltages

S Trip, M Bürger, C De Persis - Automatica, 2016‏ - Elsevier
This paper studies the problem of frequency regulation in power grids under unknown and
possible time-varying load changes, while minimizing the generation costs. We formulate …

Dynamic coupling design for nonlinear output agreement and time-varying flow control

M Bürger, C De Persis - Automatica, 2015‏ - Elsevier
This paper studies the problem of output agreement in networks of nonlinear dynamical
systems under time-varying disturbances, using dynamic diffusive couplings. Necessary …

Practical synchronization with diffusive couplings

JM Montenbruck, M Bürger, F Allgöwer - Automatica, 2015‏ - Elsevier
We investigate the problem of synchronizing nonidentical or perturbed nonlinear systems. In
the considered setup, the systems are incapable to synchronize under diffusive couplings …

On the internal model principle in the coordination of nonlinear systems

C De Persis, B Jayawardhana - IEEE Transactions on Control …, 2014‏ - ieeexplore.ieee.org
The role of the internal model principle is investigated in this paper for the coordination of
relative-degree-one and relative-degree-two nonlinear systems. For relative-degree-one …

Cooperative output regulation of linear multi-agent network systems with dynamic edges

J **ang, Y Li, DJ Hill - Automatica, 2017‏ - Elsevier
This paper investigates a class of linear multi-agent network systems, in which nodes are
coupled by dynamic edges in the sense that each edge has a dynamic system attached as …

[PDF][PDF] Stability and power sharing in microgrids

J Schiffer - 2015‏ - depositonce.tu-berlin.de
Motivated by environmental, economic and technological aspects, the penetration of
renewable energy sources into the electrical networks is increasing worldwide. This fact …

Adaptive distributed synchronization of heterogeneous multi-agent systems over directed graphs with time-varying edge weights

Q Yang, Y Lyu, X Li, C Chen, FL Lewis - Journal of the Franklin Institute, 2021‏ - Elsevier
Time-varying edge weights represent dynamical interactions between any two nodes in
multi-agent systems (MASs). In this paper, we consider a synchronization problem for …

[PDF][PDF] An internal model approach to (optimal) frequency regulation in power grids

M Bürger, C De Persis, S Trip - arxiv preprint arxiv:1403.7019, 2014‏ - Citeseer
This paper studies the problem of frequency regulation in power grids under unknown and
possible timevarying load changes, while minimizing the generation costs in some particular …

Synchronization under space and time-dependent heterogeneities

SY Shafi, H Bai - Automatica, 2015‏ - Elsevier
We study output synchronization of nonlinear systems subject to a class of spatially and
temporally-varying heterogeneities. We begin by addressing reaction–diffusion PDEs, and …

Distributed output regulation for a class of nonlinear multiagent systems with dynamic edges

Y Wu, L Liu - IEEE Transactions on Cybernetics, 2020‏ - ieeexplore.ieee.org
In this article, an output regulation problem is considered for nonlinear multiagent systems
with unity relative degree, in which nodes are coupled by dynamic edges. The inputs of the …