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Avtometriya

2017 year, number 4

AUTOMATION OF EXTRUSION OF POROUS CABLE PRODUCTS BASED ON A DIGITAL CONTROLLER

B. K. Chostkovskii, V. N. Mitroshin
Samara State Technical University, ul. Molodogvardeiskaya 244, Samara, 443100
Keywords: процесс экструзии, управление, имитационная модель, цифровые регуляторы, оптимизация, extrusion process, control, simulation model, digital controllers, optimization

Abstract

A new approach to the synthesis of an automated control system for the process of applying a porous insulation on a conductive cable core is considered, which is based on using structurally and parametrically optimized digital controllers of an arbitrary order instead of calculating typical PID controllers using known methods. The digital controller is clocked by signals of a clock length sensor from a measuring wheel, instead of a timer signal, which provides the robust properties of the system with respect to the changing rate of insulation. Settings of digital controllers according to the criterion based on the need to ensure the achievement of operational characteristics of the manufactured cable are determined on a simulation model of stochastic extrusion and are minimized by moving a regular simplex in the parameter space of the tuned controller.