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The Feed back Control System With FIR Digital Filter

Chang Minhui\ \ Duan Li\ \ Tian Sheng (College of Electronic and Automatic Engineering of BUU,Beijing\ 100101)  
A design method of the follow up control system for periodic input is presented.The analysis shows that there exist some weakness if an analogue filter is taken as a compensator.Therefor a FIR digital filter is designed to replace the analogue filter.It can realize the high precise follow up control for the periodic reference input in the wide frequency range and has the strong ability in the resistance to disturbance and the quick convergent speed.This system also consists of a state feed back constructed by the state variable observer and a compensative link of the controlled object property. [
【CateGory Index】: TP271.9
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