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Industrial Automatic Control Systems and Controllers

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Modelling of the Digital Regulator with the Advance Assessment of the Error in Each Cycle of Management. Part 1: Discrete Models
Rakov V.I. Zakharova O.V.

In this study, the individual moments of the methodology for the synthesis of analog controllers for organization processes digital цонтроль are assessed. Emphasis on distributed digital control.
Formulated the traditional idea of a continuum model of the controller and its discrete models based on the discrete representation of the integral term.
Proposed formulas for calculating the control functions using models based on the formulas of «rectangles» and «trapezoids».
We derive expressions for the control computation based on Simpson's formula for a more detailed account of the influence of the integral component in the synthesis of digital proportional-integral controllers.
Proposed simulation results using discrete models and draw conclusions about the possibility of creating a discrete model for the optimal control.
The paper presents the idea of ​​improving the accuracy of the controller by selecting the best method for calculating the control functions at each sampling step.

Keywords: industrial computers; controller; regulator; digital regulator; regulation accuracy.

Contacts: E-mail: rakov2010vi@mail.ru

Pp. 53-65.

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