THERMAL SCIENCE

International Scientific Journal

Saša S. Nikolić

,

Igor B. Kocić

,

Dragan S. Antić

,

Darko B. Mitić

,

Nikola B. Danković

,

Miroslav B. Milovanović

,

Petar S. Đekić

SPEED AND TENSILE FORCE CONTROL OF THE PULLING DEVICES OF THE CONTINUOUS LINE

ABSTRACT
In cable production, it is imperative to control speed and tension. This paper proposes a web tensile force regulation between input and output pulling caterpillar devices. The web tensile force is controlled indirectly using a PI controller based on feedback information about tensile force using a tensile observer. This paper also deals with the regulation speed of the input-pulling caterpillar device and the speed and torque (current) of output pulling caterpillar device and deals with the effect of line speed on the temperature change at the extruder zones. The input and output-pulling caterpillar devices are connected by the web material that is processed on them. The input and output-pulling caterpillar devices are connected by the web material that is processed on them. The task was realized using a programmable logic controller Micrologix 1200 controller and SIMOREG DC drives, which regulate the input caterpillar's speed and output caterpillar's torque. The identification of separately excited DC motors parameters was made. Models for the input, output caterpillars and web zone were simulated in MATLAB and SIMULINK. The controllers of the current loop, velocity loop, and tension loop are all integral isolated PI regulators. Speed signal is obtained by tacho generator. In practical realization, tensile force is observed directly from the Simoreg DC converter, eliminating the tension sensor. The tensile force controller is realized with the PI controller, which was realized with programmable logic controller. Setting optimal parameters is performed using ITAE criteria. The ITAE function is calculated using a complex Simpson's quadrature formula.
KEYWORDS
programmable logic controller, pulling caterpillar device, Simoreg DC master controller, torque, PI controller, tensile controller
PAPER SUBMITTED: 2023-04-18
PAPER REVISED: 2023-05-10
PAPER ACCEPTED: 2023-05-17
PUBLISHED ONLINE: 2023-06-11
DOI REFERENCE: https://doi.org/10.2298/TSCI230418138N
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 6, PAGES [4447 - 4460]
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Speed and tensile force control of the pulling devices of the continuous line

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence