Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26041
Title: A robust control strategy for combining DCV control with economizer control
Authors: Wang, S 
Xu, X
Keywords: Air handling unit
Demand controlled ventilation
Economizer
Gain scheduling
Multiple process control
Robust control
Issue Date: 2002
Publisher: Pergamon Press
Source: Energy conversion and management, 2002, v. 43, no. 18, p. 2569-2588 How to cite?
Journal: Energy conversion and management 
Abstract: Combining demand controlled ventilation (DCV) control and economizer control achieves acceptable and even better indoor air quality with minimum coil energy consumption. The control instability during the transition processes between different control modes are among the major difficulties faced when utilizing economizer control and when combining DCV control with economizer control in applications. A robust control strategy, using "freezing", gain scheduling, integral term reset and feedback transition control for different transition processes, is developed for addressing these problems. They are evaluated on an air handling unit (AHU) using various simulation tests. The test results demonstrate that the robust control strategy allows stable and robust AHU control.
URI: http://hdl.handle.net/10397/26041
ISSN: 0196-8904
EISSN: 1879-2227
DOI: 10.1016/S0196-8904(01)00193-5
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