Energy-based modelling and control of a multi-domain energy storage and management system
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hdl:2117/475
Tipus de documentText en actes de congrés
Data publicació2006-02
EditorInge Troch, Felix Breitenecker
Condicions d'accésAccés obert
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Abstract
We give an overview of part of the chapter of the Geoplex book devoted to examples, specifically the one which deals with electromechanical systems. We study a rather complex example of a port Hamiltonian system made of two subsystems, presenting each some remarkable characteristics, namely interconnection structures which depend either on the system state or on a discontinuous control variable. The first subsystem, a doubly-fed induction machine (DFIM), like most rotating electric machinery, has a complicated, geometry depending energy function, encoding in a lumped parameter description the interaction of the stator and rotor magnetic field. After a coordinate change, this dependence can be absorbed into the intercommunication structure, resulting in a model which has the additional feature of yielding itself quite easily to the formulation of sensible control problems. The second subsystem, a back-to-back (B2B) power converter made of a rectifier and an inverter, also has, this time from the beginning, an interconnection structure which caries the topology of the system, and which can be controlled by the state of a set of switches.
We describe the detailed port Hamiltonian structure of both subsystems, their interconnection and the design of suitable IDA.PBC controllers for both of them. The associated bond-graph description is also presented, and simulations using 20sim are run
CitacióCarles Batlle, Arnau Dòria, Enric Fossas, Romeo Ortega. Energy-based modelling and control of a multi-domain energy storage and management system. A Proceedings 5th. MATHMOD Vienna, Symposium on Mathematical Modelling. Vienna : ARGESIM, 2006. p.233
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