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Model-based PIP control of the spatial temperature distribution in cars.

Research output: Contribution to journalJournal articlepeer-review

<mark>Journal publication date</mark>10/11/2003
<mark>Journal</mark>International Journal of Control
Issue number16
Number of pages7
Pages (from-to)1628-1634
Publication StatusPublished
<mark>Original language</mark>English


An on-line mathematical approach was used to model the spatio-temporal temperature distribution in the imperfectly mixed air inside a car. A second-order model proved to be a sufficiently good description of the temperature dynamics (R-2 = 0.985) of the system. Furthermore, it was possible to fully understand the physical meaning of the second-order model structure. Using this model, a proportional integral plus (PIP) climate controller was developed for a single input single output (SISO) system. The controller was able to follow a temperature level of 18-23-21degreesC at any desirable point, and to robustly react to a random local disturbance.