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Control-oriented Modelling of Vapour-Compression Cycle Including Model-order Reduction and Analysis Tools (CROSBI ID 683032)

Prilog sa skupa u zborniku | izvorni znanstveni rad

Ratković, Igor ; Cvok, Ivan ; Soldo, Vladimir ; Deur, Joško Control-oriented Modelling of Vapour-Compression Cycle Including Model-order Reduction and Analysis Tools. 2019

Podaci o odgovornosti

Ratković, Igor ; Cvok, Ivan ; Soldo, Vladimir ; Deur, Joško

engleski

Control-oriented Modelling of Vapour-Compression Cycle Including Model-order Reduction and Analysis Tools

The paper first presents a gradual analytical model-order reduction of a moving boundary method-based 12th-order lumped-parameter nonlinear vapour compression cycle model. Model-order reduction is conducted by introducing certain assumptions and replacing state variables associated with fast dynamics with static expressions. Next, numerical tools implemented in MATLAB/Simulink and applicable to black-box heating, ventilation and air-conditioning (HVAC) models are developed for the purpose of obtaining the model static input-output maps and linearized model parameters for a wide range of operating conditions. The linearized models are used for comparison of pole-zero maps of high- and low-order models, which shows that slower, dominant dynamics are preserved in the reduced-order models. Finally, as an alternative to model-order reduction approach, a multi-input/multi-output model identification approach is proposed, which can provide a low-order linearized model directly from simulated time response of a full-order lumped- or distributed-parameter model, or from real vehicle HVAC test signals.

Control-oriented modelling ; vapour-compression cycle ; HVAC ; model order reduction ; steady-state analysis ; linearization ; system identification

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Podaci o prilogu

SDEWES2019.1084

2019.

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objavljeno

Podaci o matičnoj publikaciji

Podaci o skupu

14th Conference on Sustainable Development of Energy, Water and Environments Systems (SDEWES)

predavanje

01.10.2019-06.10.2019

Dubrovnik, Hrvatska

Povezanost rada

Interdisciplinarne tehničke znanosti, Strojarstvo