Control-oriented modeling and analysis of automotive transcritical AC system dynamics

Bryan Rasmussen, Andrew Alleyne, Clark Bullard, Pega Hrnjak, Norman Miller

Research output: Contribution to journalConference articlepeer-review

12 Scopus citations

Abstract

This paper presents a dynamic model of a transcritical air-conditioning system, specifically suited for multivariable controller design. The physically based model retains sufficient detail to accurately predict system dynamic response while also being simple enough to be of value in determining appropriate control strategies. The control focus would be quasi-steady transitions between operating states by modulating flow rates of both air and refrigerant to meet changing constraints on capacity, efficiency, noise, etc. Both nonlinear and linearized versions of the model are compared to experimental data. Possibilities for model order reduction are substantiated.

Original languageEnglish (US)
Pages (from-to)3111-3116
Number of pages6
JournalProceedings of the American Control Conference
Volume4
DOIs
StatePublished - 2002
Externally publishedYes
Event2002 American Control Conference - Anchorage, AK, United States
Duration: May 8 2002May 10 2002

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