The Tension Of The Algorithm Based On Model Reference Adaptive Control System

The tension is an important to the production of printing machine industry.The advanced control algorithm be used in tention control and obtain the better control results.This article regards printing mechanical tension control system as the research object, analysis the machinery mathematical model of every part in printing of printing machine, adopt model reference adaptive control system, realize the coiling type control of permanent tension, among them the main drive of every unit is brake of the magnetic powder and direct current motor.The design problem of the model reference adaptive controller is researched, the adaptive tension control system is designed, the problem of impact on systematic function as the change of systematic parameter is solved, better result is made compared with classical method.Algorithm deriving course of the model reference adaptive control is gotten though theory analysis firstly.Then the composition of the mechanical tension control system is introduced, detailed design plan of the classics control is put forward, Artificial models and mathematical models of brake of the magnetic powder, direct current motor and tension transducer are build, the routine ways of putting and printing course of control system are given. At last, control algorithms of model consult self-adaptation control is used to Substitute classical control strategy, Tension control regulator based on model consult self-adaptation control is designed, the artificial experiment of the whole model reference adaptive control system is carried on, and the comparison between model reference adaptive control system and classical control strategy is analyzed. Artificial research indicate model reference adaptive control system can inhibit the impact on systematic function effectively as the changeof systematic parameter , and have more superior control performance.According to the requirements for hardware of the control system, selecting GE Company 90 serial PLC to realize the on-the-spot control request and using Yanhua industry control computer as host computer, not only has met the algorithm operation requirement for greatly calculating quantity but also met operation of the control procedure which uses WinCC configuration at the same time.The model reference adaptive algorithm is realized in the actual system, and the actual operation result shows, model dynamic performance of consulting more classical design plan of the adaptive control system obviously improved, have more obvious results in improving systematic performance.