The paper introduces the development of the thickness control technology for strip mill, and reasons affecting thickness variation, and discusses the principle of AGC Control on cold mill, the algorithm and characters.

• 摘要介绍板带轧机厚度控制的发展及影响板带厚度波动的原因；分析、讨论冷轧机应用的各种AGC的控制原理、控制算法以及各自的特点。