Optimal load dispatch of multi-source looped district cooling systems based on energy and hydraulic performances

C Gao, D Wang, Y Sun, W Wang, X Zhang - Energy, 2023 - Elsevier
Multi-source looped district cooling (MLDC) systems exhibit promising application potential
owing to their ability to utilize various renewable energy resources. The load dispatch for …

[HTML][HTML] Modeling and passivity properties of multi-producer district heating systems

JE Machado, M Cucuzzella, JMA Scherpen - Automatica, 2022 - Elsevier
We propose a comprehensive nonlinear ODE-based thermo-hydraulic model of a district
heating system featuring several heat producers, consumers and storage devices which are …

Port-Hamiltonian based control of water distribution networks

R Perryman, JA Taylor, B Karney - Systems & Control Letters, 2022 - Elsevier
We design controllers for a nonlinear model of a water distribution network (WDN). Most
existing approaches to the control of WDNs model the pumps as simple pressure gains. We …

[HTML][HTML] Online parameters estimation schemes to enhance control performance in DC microgrids

JE Machado, G Rinaldi, M Cucuzzella… - European Journal of …, 2023 - Elsevier
This paper addresses the problem of achieving current sharing and voltage balancing in DC
microgrids when the filter parasitic resistances of the Distributed Generation Units (DGUs) …

Finite-time output parameter estimation for a class of nonlinear systems

G Rinaldi, JE Machado, M Cucuzzella… - IEEE Control …, 2022 - ieeexplore.ieee.org
In this letter, a novel scheme is proposed to identify in finite time the value of an unknown
output parameter for a class of nonlinear dynamical systems. Inspired by the Super-Twisting …

Port-hamiltonian modeling of hydraulics in 4th generation district heating networks

F Strehle, JE Machado, M Cucuzzella… - 2022 IEEE 61st …, 2022 - ieeexplore.ieee.org
In this paper, we use elements of graph theory and port-Hamiltonian systems to develop a
modular dynamic model describing the hydraulic behavior of 4th generation district heating …

Decentralized temperature and storage volume control in multiproducer district heating

JE Machado, J Ferguson, M Cucuzzella… - IEEE Control …, 2022 - ieeexplore.ieee.org
Modern district heating technologies have a great potential to make the energy sector more
flexible and sustainable due to their capabilities to use energy sources of varied nature and …

On the design of 5GDHC substation control systems

E Khlebnikova, I Pothof, S Van Der Zwan… - International Journal of …, 2024 - Taylor & Francis
This paper presents challenges in the control of 5GDHC networks and proposes an
approach for the robust control design of these networks. Temperatures are low and …

On the existence and uniqueness of steady state solutions of a class of dynamic hydraulic networks via actuator placement

M Jeeninga, JE Machado, M Cucuzzella… - 2023 62nd IEEE …, 2023 - ieeexplore.ieee.org
In this paper, using tools from graph theory we provide verifiable necessary and sufficient
conditions for the existence of a unique hydraulic equilibrium in district heating systems of …

Model Predictive Control of District Heating Grids Using Stabilizing Terminal Ingredients

M Rose, H Gernandt, JE Machado, J Schiffer - arXiv preprint arXiv …, 2024 - arxiv.org
The transformation of fossil fuel-based district heating grids (DHGs) to CO $ _2 $-neutral
DHGs requires the development of novel operating strategies. Model predictive control …