Centrifugal Compressor Supervisory Control for Building Automation Systems

[+] Author and Article Information
D. B. Cherchas

Department of Mechanical Engineering, The University of British Columbia, Vancouver, B.C.

A. Abdelmessih

Department of Mechanical Engineering, University of Toronto, Toronto, Canada

M. Townsend

Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, Va.

J. Dyn. Sys., Meas., Control 105(4), 304-306 (Dec 01, 1983) (3 pages) doi:10.1115/1.3140678 History: Received November 03, 1981; Online July 21, 2009


Optimal control strategies suitable for implementation on a supervisory digital computer controller are developed to maximize the coefficient of performance of the centrifugal compressor subsystem for a building central cooling plant. The analytical determination of the optimum strategies is based on models, determined from experimental data, of the power consumption of the centrifugal compressor subsystem components. The supervisory control strategies determine optimum set points for the evaporator entering and leaving water temperatures, condenser leaving water temperature and the storage tank return water temperature. Cost function values are given for a range of system parameters.

Copyright © 1983 by ASME
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