Automatic Control of a Roller Card

概要

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Object: 1) To determine the transfer function of a roller card by using a sample card. 2) To investigate the optimum condtion for controlling the card by using a closed loop control system. Methods : 1) The outline of the system is assumed by a transient response method, and its time constant obtained by the variance of the output when the pulse in put is made by stopping periodically the revolutions of the feed roller. 2) By the R.M.S. error criterion, we have obtained the settings of controllers where the disturbance and the inequality of card web are regarded as a stationary random and Gaussian noise. Results : 1) The transfer function of the roller card is the first order proportional Control system with a dead time. 2) The P.I.D. control system is the best for the system which has a long dead time. 3) The P.D. control system is better than the P. and P.I. control systems.
社団法人日本繊維機械学会の論文