Authors: D.A. Kotim, S.E. Sukhinin

Title of the article: Ways to minimize the traction factor of a belt conveyor

Year: 2023, Issue: 1, Pages: 24-32

Branch of knowledge: 2.4.2. Electrotechnical complexes and systems (engineering)

Index UDK: 621.316

DOI: 10.26730/1816-4528-2023-1-24-32

Abstract: The paper considers the operation of a conveyor belt with two drive drums. The mechanical part of the conveyor is a system with concentrated parameters, built according to the Focht model, consisting of five concentrated masses. The electric drive of the drive drums consists of an asynchronous motor and a frequency converter for each drum. The processes affecting the start of the conveyor are considered. It was found that in order to ensure a guaranteed slip-free start of the conveyor, it is necessary to minimize the fluctuations of the traction factor. To implement a control system that minimizes the traction factor, transfer functions of concentrated conveyor masses as control objects for drive drums were derived. In view of the high order of the transfer functions obtained, the process of control system synthesis is a complex task. To simplify the synthesis, part of the transfer functions was simplified to second-order functions, which made it possible to use classical methods of synthesis and calculation of the regulator coefficients. The validity of this simplification is confirmed by the efficiency of the conveyor with a synthesized control system. The proposed control system made it possible to reduce the peak value of the traction factor fluctuations by three times, as well as to reduce overshoot and the time of the conveyor start-up transition process. The simulation was performed in the SimInTech mathematical modeling environment.

Key words: conveyor belt asynchronous electric drive frequency converter mathematical modeling belt tension drive drum concentrated parameters SimInTech

Receiving date: 07.11.2022

Approval date: 01.02.2023

Publication date: 09.03.2023

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