| 摘要 |
The present invention aims to control elements to improve operation efficiency of a plant based on a correlation value of the past accumulated data. An optimal operation controller of a plant includes: a correlation analyzing unit for obtaining correlation between a state of a predetermined process and each element based on an operation status of the plant to be controlled, storing the correlation in a correlation table, and computing operation efficiency for the each element based on the operation status of the plant; a categorization efficiency table for storing the operation efficiency of the predetermined process computed by the correlation analyzing unit for the operation status of the plant; and an optimal pattern searching unit for referring to the categorization efficiency table based on a data input from the plant and controlling and outputting an instruction to control the each element.
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