An Optimal Operational Advisory System for a Brewery’s Energy Supply Plant

[+] Author and Article Information
K. Ito, T. Shiba, R. Yokoyama

Department of Energy Systems Engineering, University of Osaka Prefecture, 1-1, Gakuencho, Sakai, Osaka 593, Japan

S. Sakashita

Mayekawa Energy Management Research Center, Mayekawa Manufacturing Co. Ltd., Tokyo 135, Japan

J. Energy Resour. Technol 116(1), 65-71 (Mar 01, 1994) (7 pages) doi:10.1115/1.2906011 History: Received February 17, 1993; Revised August 30, 1993; Online April 16, 2008


An optimal operational advisory system is proposed to operate rationally a brewery’s energy supply plant from the economical viewpoint. A mixed-integer linear programming problem is formulated so as to minimize the daily operational cost subject to constraints such as equipment performance characteristics, energy supply-demand relations, and some practical operational restrictions. This problem includes lots of unknown variables and a hierarchical approach is adopted to derive numerical solutions. The optimal solution obtained by this method is indicated to the plant operators so as to support their decision making. Through the numerical study for a real brewery plant, the possibility of saving operational cost is ascertained.

Copyright © 1994 by The American Society of Mechanical Engineers
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