Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18163
Title: The application of feedforward control in a direct expansion (DX) air conditioning plant
Authors: Deng, S 
Keywords: Air conditioning
Control
Direct expansion (DX)
Feedforward
Issue Date: 2002
Publisher: Pergamon Press
Source: Building and environment, 2002, v. 37, no. 1, p. 35-40 How to cite?
Journal: Building and environment 
Abstract: A computerized feedforward controller for a DX air conditioning plant has been developed to avoid the use of problematic measurement of air conditions immediately downstream of a cooling coil for control action. The feedforward controller was based on a mathematical model for capacity control using the principle of energy conservation. A safety control procedure was also included as part of the control algorithms to ensure the safe operation of the plant. Experimental tests on the controllability of the controller confirmed that both control accuracy and sensitivity could be achieved. The control algorithms involved is expected to have wide application for controlling DX air conditioning systems.
URI: http://hdl.handle.net/10397/18163
ISSN: 0360-1323
EISSN: 1873-684X
DOI: 10.1016/S0360-1323(00)00090-1
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