✦ LIBER ✦

Discharge air system: modelling and optimal control

✍ Scribed by G. R. Zheng; M. Zaheer-Uddin

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 159 KB
Volume: 23
Category: Article
ISSN: 0363-907X
DOI: 10.1002/(sici)1099-114x(19990625)23:8<727::aid-er512>3.0.co;2-z

No coin nor oath required. For personal study only.

✦ Synopsis

A state-space model of a discharge air system (DAS) is developed. Simulation results obtained from the developed model compare well with the published experimental data.

The optimal control strategies and optimal performance of DAS to step changes in setpoints are given for two cases: a heating case with temperature control, and a cooling case with temperature and humidity control. Results show that the outputs (discharge air temperature and humidity ratio) of the system reach the chosen setpoints rapidly and smoothly compared with that of PI control results published in the literature.

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