A5068022864- Modeling and Simulation Systems
- Simulation Techniques and Applications
- Real-time simulation and control systems
- Advanced Control Systems Optimization
- Modeling, Simulation, and Optimization
- Refrigeration and Air Conditioning Technologies
- Carbon Dioxide Capture Technologies
- Heat Transfer and Optimization
- Phase Equilibria and Thermodynamics
- Hydraulic and Pneumatic Systems
- CO2 Sequestration and Geologic Interactions
- Chemical and Environmental Engineering Research
- Integrated Energy Systems Optimization
- Aerodynamics and Fluid Dynamics Research
- Building Energy and Comfort Optimization
- Wind and Air Flow Studies
- Solar Thermal and Photovoltaic Systems
- Geothermal Energy Systems and Applications
- Model Reduction and Neural Networks
- Catalysts for Methane Reforming
- Scientific Measurement and Uncertainty Evaluation
- Reservoir Engineering and Simulation Methods
- Fluid Dynamics and Turbulent Flows
- Complex Systems and Time Series Analysis
- Computational Fluid Dynamics and Aerodynamics
Modelon (Sweden)
2006-2023
Hartford Financial Services (United States)
2014-2023
Ideon Science Park
2009-2012
Lund University
1999-2012
Lund Science (Sweden)
2000
Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
1999
Virtual evaluation of complex Cyber-Physical Systems (CPS) [1] with a number tightly integrated domains such as physical, mechanical, electrical, thermal, cyber, etc. demand the use heterogeneous simulation environments.Our previous effort C2 Wind Tunnel (C2WT) [2] [3] attempted to solve challenges evaluating these systems as-a-whole, by integrating multiple platforms varying semantics and managing different models their interactions.Recently, great interest has developed Functional Mockup...
Spawn is DOE's next-generation tool chain for whole building energy control simulation. couples traditional imperative load-based envelope modelling with new equation-based of HVAC and controls. uses EnergyPlus the former Modelica Buildings Library latter. Because it leverages Library, can evaluate advanced systems at district scale, including architectures controls heat pump storage, coupling such to electrical distribution networks. Spawn's integration likewise enables simulate realistic...
This paper describes two ways on how to interface Functional Mockup Units (FMUs) and Modelica models through the Pyomo’s foreign function with Pyomo. Pyomo is a Python-based, open-source optimization modeling language diverse set of capabilities. has arguably much better capabilities than Pyomo, but integrates excellent solvers, such as Ipopt (Wächter et al. 2006), provides good infrastructure. The Interface been developed in context NAWI, (National Alliance Water Innovation) Hub project...
Abstract A dynamic model of a chemical CO 2 absorption process with aqueous monoethanolamine (MEA) is presented, validated against experimental data. Based on the model, reduced‐order developed, suitable for an online optimization control strategy. The objective to enable fast adaptations changes in operating conditions power plant, while minimizing energy consumption operation separation plant. results indicate that model‐based feasible technology systems.
With an increasing demand on load flexibility in power supply networks, advanced control systems for plants with carbon capture units gain significance. Minimizing the energy dioxide removal under these circumstances is a major task of such strategy. In this work dynamic model Modelica chemical absorption process run aqueous monoethanolamine (MEA) developed. Starting from rather detailed process, reduction performed based physical insight. The reduced computes distinctly faster, shows...
Dynamical simulations have been performed for CO2 transfer through a fictive but realistic transport pipeline in order to evaluate the risk of phase transition during flow transients and pipe cooling. The simulation results provide better understanding phenomena from capture point storage carbon (CCS) process. Two models were developed; one describe pressure dynamics within other simulate transient cooling generation propagation waves pipeline. Together these used determine fluctuations as...
This paper reports a new Modelica-based open source project entitled JModelica.org,targeted towards dynamic optimization.The objective of the is to bridge gap between need for high-level description languages and details numerical optimization algorithms.JModelica.org also intended as an extensible platform where algorithm developers, particularly in academic community, may integrate innovative methods.In doing so, researchers gain access wealth industrially relevant problems based on...
An implementation of a lumped and 1-dimensional pipeline model for simulation fast pressure flow transients such as water-hammer effects is presented.It an extension the classical Transmission Line Model (TLM), transfer matrix representation pipeline, relating volume rates at extremities pipeline.The proposed has extended previous work in different aspects.The extensions were developed detailed operational investigation transport carbon dioxide from capture plant to suitable location...
This paper offers systematic guidelines for modeling power systems components in the phasor time-domain using Modelica language and their verification. It aims to share authors’ experience system with approaches used meet high expectations of industry w.r.t. models’ simulation results. While are generic, verification procedure includes validation against a domain-specific commercial software tool called PSS®E that is de facto transmission planning analysis. To formalize proposed approaches,...
An increasing demand on load flexibility in power supply networks is the motivation to look at flexible, and possibly optimal control systems for plants with carbon capture units.Minimizing energy dioxide removal under these circumstances reduces cost disadvantage of compared conventional production.In this work a dynamic model Modelica chemical absorption process run an aqueous monoethanolamine (MEA) developed, used solving problems.Starting from rather detailed process, reduction performed...
This paper presents a framework to apply such ideas analysis of dynamical systems. A set tools that can be used for uncertainty Modelica models is presented. These are made available in the FMI Toolbox MATLAB. The workflow and demonstrated on cooling loop design problem.
The control was implemented using an external static library interconnected with Dymola. the External Object approach for implementing objects in Modelica also tested. optimization algorithms developed wind turbine done a way so that no measurements of speed are needed. controls were they can achieve number different tasks such as Reactive Power Compensation and Island Control.