| 摘要 |
<p>PURPOSE:To improve the accuracy of plate thickness of a product by compensating the lag of an output signal due to the time required for moving average processing with respect to a plate thickness signal measured on the inlet side of a rolling mill. CONSTITUTION:The plate thickness on the inlet side is measured by an alpha-ray thickness meter 2 on the inlet side of the rolling mill, the measured signal is subjected to moving average processing to remove noises, then, in a feed forward automatic plate thickness control to adjust the roll gap of the rolling mill based on the signal, a quantity of compensation corresponding to the moving average filter gain is calculated by a specific operation expression. The lag of a plate thickness deviation signal on the inlet side caused by removal processing of noises is compensated while taking the quantity of compensation calculated into consideration.</p> |
