ADAPTIVE SYSTEM FOR REGULATING THE DRYING PROCESS OF COTTON IN DRUM DRYERS

Isamiddin Siddikov, Davronbek Khalmatov, Sayyora Yunusova

Abstract

:The issues of creating an adaptive system for automatic maintenance of technological parameters of the raw cotton drying process are considered. The main factors affecting the drying process are determined and the mathematical dependence of these variables in the form of a discrete transfer function is revealed. The functional scheme of the adaptive control system for cotton drying has been developed, which includes a block for automatic adjustment of the regulator parameters and provides compensation for the mutual influence of technological parameters. An algorithm for estimating the parameters of the object model is proposed based on the application of the recurrent stochastic approximation method, which allows taking into account the additive random noise that is sent at the measured output. The object parameters are determined based on the thermal and material balance at the nominal operating mode of the drying drum. A method for constructing an adaptive mathematical model of the cotton drying process is developed, which provides predicting the behavior of a complex process that has a probabilistic nature. The parameters are corrected by recalculating the new estimates of the model parameters.

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