The equilibrium points and stability of grid-connected synchronverters
Virtual synchronous machines are inverters with a control algorithm that causes them to
behave towards the power grid like synchronous generators. A popular way to realize such …
behave towards the power grid like synchronous generators. A popular way to realize such …
Further results on incremental input-to-state stability based on contraction-metric analysis
In this paper, we study the notion of incremental stability for continuous-time nonlinear
systems forced by some external input. Thanks to the notion of “Killing vector field”, we …
systems forced by some external input. Thanks to the notion of “Killing vector field”, we …
Continuous approximations of projected dynamical systems via control barrier functions
G Delimpaltadakis, J Cortés… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Projected Dynamical Systems (PDSs) form a class of discontinuous constrained dynamical
systems, and have been used widely to solve optimization problems and variational …
systems, and have been used widely to solve optimization problems and variational …
On the relationship between control barrier functions and projected dynamical systems
G Delimpaltadakis, W Heemels - 2023 62nd IEEE Conference …, 2023 - ieeexplore.ieee.org
In this paper, we study the relationship between systems controlled via Control Barrier
Function (CBF) approaches and a class of discontinuous dynamical systems, called …
Function (CBF) approaches and a class of discontinuous dynamical systems, called …
Saturating integral control for infinite-dimensional linear systems
P Lorenzetti, L Paunonen… - 2023 62nd IEEE …, 2023 - ieeexplore.ieee.org
We propose a saturating integrator based controller for infinite dimensional well-posed
linear systems, which prevents the controller state from leaving a desired closed interval …
linear systems, which prevents the controller state from leaving a desired closed interval …
Synchronverters with a virtual oscillator to attenuate power oscillations
A virtual oscillator (VO) based frequency-locked loop (FLL) is proposed to estimate the grid
frequency and added to the control algorithm of a virtual synchronous machine (VSM) in …
frequency and added to the control algorithm of a virtual synchronous machine (VSM) in …
Filtering in Projection-based Integrators for Improved Phase Characteristics
H Chu, SJA Eijnden, MF Heertjes… - arXiv preprint arXiv …, 2024 - arxiv.org
Projection-based integrators are effectively employed in high-precision systems with
growing industrial success. By utilizing a projection operator, the resulting projection-based …
growing industrial success. By utilizing a projection operator, the resulting projection-based …
A synchronverter-based magnitude phase-locked loop
A magnitude phase-locked loop (MPLL) is a system that synchronizes its output signal in
frequency, phase, and magnitude with the dominant sinusoidal component of its input …
frequency, phase, and magnitude with the dominant sinusoidal component of its input …
Projection-based controllers with inherent dissipativity properties
H Chu, S Van den Eijnden… - 2023 62nd IEEE …, 2023 - ieeexplore.ieee.org
Projection-based Controllers (PBCs) are currently gaining traction in both scientific and
engineering communities. In PBCs, the input-output signals of the controller are kept in …
engineering communities. In PBCs, the input-output signals of the controller are kept in …
On singularly perturbed systems that are monotone with respect to a matrix cone of rank
R Ofir, P Lorenzetti, M Margaliot - arXiv preprint arXiv:2303.11970, 2023 - arxiv.org
We derive a sufficient condition guaranteeing that a singularly perturbed linear time-varying
system is strongly monotone with respect to a matrix cone $ C $ of rank $ k $. This implies …
system is strongly monotone with respect to a matrix cone $ C $ of rank $ k $. This implies …