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Process control method

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专利汇可以提供Process control method专利检索,专利查询,专利分析的服务。并且PURPOSE: To attain a stable inflection point control by obtaining the moving average of inputs F in a fixed section and that of outputs C in the same section, further obtaining values F and C in a middle point in the hourly section and adjusting an output level so that gains obtained from each difference can be equal.
CONSTITUTION: The reference value of C in a process where a static character curve expressing the relationship between the input F and the output C has an inflection point is decided. The gain K
1 when C is below the reference value and the gain K
2 when C exceeds the reference value are identified, and the output level is adjusted and C is controlled around the inflection point so that the gains K
1 and K
2 can be equal. In that case, the moving average F' of the inputs F in a fixed hourly section and that C' of the outputs C in the same section are calculated, and the value Fh of F and the value Ch of C in the middle point in the same section are obtained. An on-line parameter identification method employing time series data ensuring u-Fh-F' and y=Ch-C' obtains the gains K
1 and K
2 . Thus gains can be satisfactorily switched.
COPYRIGHT: (C)1987,JPO&Japio,下面是Process control method专利的具体信息内容。

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