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Contenido archivado el 2024-05-27

Geometric Network Modeling and Control of Complex PhysicalSystems

Objetivo

The proposed project is aimed at the network modeling and control of complex physical systems, using an integrated system approach allowing to deal with physical components stemming from different physical domains, both in the lumped-parameter and in the distributed-parameter case. In order to describe and to manipulate these dynamical models in a systematic way it is mandatory to develop a coordinate-free, geometric framework for their mathematical formulation, especially because of the intrinsic and strong nonlinearities in their system behavior.

OBJECTIVES
Fundamental to modern engineering sciences are the notions of an OPEN SYSTEM having an interface with its environment, and of a NETWORK of open systems coupled to each other through their interfaces. Complementary to the network modeling of complex systems is the DESIGN and CONTROL of systems with a required functionality by coupling open system components. The project is aimed at the use and development of new geometric methods in network modeling, simulation and control of complex technological systems, based on an integrated systems approach allowing to deal with lumped- and distributed-parameter physical components from different physical domains, possibly with strong nonlinearities and variable topology.

DESCRIPTION OF WORK
In this project a number of technological areas will be studied using a common underlying geometric network approach. The recently developed framework of port-Hamiltonian systems formalizes the power-interconnection structure of the network model of a physical system through the geometric object of a Dirac structure and represents its dynamical behavior as a generalized Hamiltonian system, providing new powerful tools for analysis, simulation and control. The goal is to apply and further develop this framework in the context of multi-domain technological systems such as walking robots, power conversion systems, piezo-electric materials, haptic devices, telemanipulation systems, and physico-chemical processes, aiming at a cross-fertilization of the developed theory and techniques. Recently proposed control strategies based on the energetical and interconnection structure will be extended and new ones will be developed. The distributed-parameter context poses many challenges for geometric modeling, and for control and simulation based on discretization retaining the physical structure. In many situations an efficient representation of physical systems for simulation and control is obtained by mixing the continuous nature of energy exchange with discrete structural changes, thus leading to the analysis and control of hybrid physical systems.

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Coordinador

UNIVERSITEIT TWENTE
Aportación de la UE
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Dirección
DRIENERLOLAAN 5
7522 NB ENSCHEDE
Países Bajos

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Participantes (8)

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