| 摘要 |
<p>The invention discloses a control device and a control method. The control device and the control method are characterized in that, even when a measurer is switched to another measurer, a hot rolling device is properly and continuously controlled, and sudden change of a measuring value is prevented. The control device comprises: a multi-purpose measuring instrument measuring a first process value, a flatness instrument measuring a second process value, an abnormity detection part detecting abnormity of the multi-purpose measuring instrument, a process information storage part storing process information, a learning item calculating part calculating a learning item (Z) used for correcting the second process value, a learning item storage part storing the learning item (Z), a correction part generating a correction panel width value, a selection part selecting the first process value before the time when abnormity is detected, and the correction panel width value after the time when abnormity is detected, and a device control part controlling rolling lines based on the selected process value and the selected correction process value.</p> |
