The two-step pulse mode control of dosing of the discrete material is analyzed in this article. The controller at first of dosage operates in two-step mode. When dosage is coming to an end the controller is commutated to operate in pulse mode with constant pulse width and period. Such method of control lets get more precise dosing of the discrete material. The functional diagram, operating algorithm of two-step pulse mode controller, structural diagram and mathematical description of dosage system of the discrete material are developed in this article. The dosage control system essentially is non-linear. That is because the method of mathematical modelling is used for research of dosage. Mathematical model is created by using MATLAB/SIMULINK program package. Researches show that quality of control system mainly depends from the parameters of controller: from controller commutation to the pulse mode point, pulse width and period of cycle. It is determined the time constant of actuator has main influence to commutation point of controller. Recommendations to determine of tuning parameters of the controller are presented in this work.
Two-step pulse mode control of the discrete material dosing ; Pozicinis–impulsinis birių medžiagų dozavimo valdymas
2008-01-01
Electronics and Electrical Engineering = Электроника и электротехника = Elektronika ir elektrotechnika, Kaunas : Technologija, 2008, nr. 7(87), p. 73-76 ; ISSN 1392-1215
Aufsatz (Zeitschrift)
Elektronische Ressource
Lithuanian , Englisch
DDC: | 629 |
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