| The endless rolling equipment of Tangshan iron and steel company introduced from Danieli company Italy possesses international standard. According to the concrete requirement of different products, this paper studies the key control technologies and design characteristics, analyzes running condition of different control strategies in system. Combining with the trait of technology and equipment, endless rolling control equipment with international level is developed at last, which fills up the blank field of endless rolling equipment and technique in china.This paper introduces the endless rolling equipment of bar factory in Tangshan, and the mathematical model of controlled object is set up . Three kinds of control tactics, that is convention PID, fuzzy PID and fuzzy-adaptive PID are advanced, which are used to control the system respectively. It studies the principles of different control algorithm in detail, and designs several kinds of controllers compatible to multi-drive system of endless rolling. Through theory analysis and simulation experiments, it proves that fuzzy-adaptive PID is best among the three kinds of control strategies. And this controller whose structure is simple, feature of real time is good, function of resisting the disturbance is strong and control parameter is easy to select, has highly practical value.
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