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CALIBRATION FUNCTION DETERMINATING METHOD FOR IMPROVING PREDICTION ACCURACY OF ROLL FORCE OF FINAL PASS DURING ROLLING OF STEEL PLATE
CALIBRATION FUNCTION DETERMINATING METHOD FOR IMPROVING PREDICTION ACCURACY OF ROLL FORCE OF FINAL PASS DURING ROLLING OF STEEL PLATE
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机译:钢板轧制过程中提高最终合格轧制力预测精度的校准功能确定方法
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摘要
PURPOSE: A method for improving prediction accuracy of roll force which not only reduces time and cost burdens through experiment, but also far increases reliability compared to the experiment by improving prediction accuracy of roll force using data of actual rolling results is provided. CONSTITUTION: The calibration function determinating method for improving prediction accuracy of roll force of final pass during rolling of steel plate comprises the steps of obtaining correction coefficients (A1) through regression analysis between actual roll force results of final pass and each calculated factors by classifying data of the total actual rolling results per operating condition groups; obtaining correction function () by dividing roll force regression equation obtained using correction coefficients (A1) per each concerned groups by a predicted roll force value; examining the corrected roll force values with actual data after correcting the predicted roll force values of final pass using the obtained correction function (); and further increasing model accuracy by consistently repeating a series of the above steps as accumulating data of actual rolling results.
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