At last, the mathematic model of tension is studied.The closed-looped control system of tension which is made up of tension controller, magnetic power brake, tension transducer is designed.

• 最后，讨论了铺放过程中张力的相关数学模型，并对由张力控制器、磁粉制动器、张力检测器组成的张力闭环控制系统进行了分析与设计。