UDC 636.082.474 : 536.58

AUTOMATIC PID-CONTROLLER TUNING FOR DIGITAL INCUBATOR THERMOSTAT

Borisevich Aleksey Valerievich
St. Petersburg State Polytechnical University
Ph.D, Associate Professor

Abstract
The dynamic model of incubation chamber as a thermal equivalent circuit with lumped parameters is given. Considered an approximation of the initial model by first order system. Automatic tuning of the PI controller procedure based on an analytical calculation of the coefficients and parameter identification of the approximate model is presented. The question of the influence of non-linear characteristic of the phase triac power regulator is considered. The simulations of parameter identification procedure and closed loop system are presented.

Article reference:
Automatic PID-controller tuning for digital incubator thermostat // Modern technics and technologies. 2014. № 6 [Electronic journal]. URL: http://technology.snauka.ru/en/2014/06/4044

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