Application of time series analysis and modern control theory to the cement plant |
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Authors: | S Hagimura T Saitoh Y Yagihara |
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Institution: | (1) Chichibu Cement Co., Ltd., 794-6, 368 Chichibu-city, Saitama, Japan;(2) Chichibu Cement Co., Ltd., 360 Kumagaya-city, Saitama, Japan;(3) System Sougoh Kaihatsu Co., Ltd., 1-28-23, Hongou, Bunkyo-ku, 113 Tokyo, Japan |
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Abstract: | Cement plant process is full of internal noise sources and feedback loops. Therefore, statistical approach is required to understand its dynamic characteristics. Time series analysis has been applied to some important subprocesses of a cement plant process. These are the vertical mill process, calcining process and clinker cooling process. Based on the AR models of these, a set of optimum controllers have been designed by modern control theory. Successful results of application are reported in this paper. A method of determining optimal production level is also discussed. |
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Keywords: | Time series analysis identification control cement plant process |
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