Abstract
This article presents the theoretical aspects of developing a control system for the processing of frozen raw meat by cutters in automatic mode. The method for analytical calculation of the productivity rate of meat cutting by a cutter with a screw tooth provides an accuracy for which relative error does not exceed 6%. The authors show automatic process control in minced meat production using a control system computer (CSC), with the aim of building an automatic control system (ACS) for chopping raw materials frozen in the form of blocks. The task of ACS synthesis was solved: the system structure and its elements were chosen, the topology of their cause-and-effect relationships and an algorithm of control devices were developed, and their parameters were determined. The ACS’s control loop scheme for raw material cutting speed was realized, where an assembly of devices was chosen as the object of management (OM): the squirrel cage induction motor (SCIM) of the cutting mechanism drive; the frequency converter (FC) of the supply voltage, which changes the rotation speed of the SCIM (the rotation speed of the milling cutter); and the milling cutter of the chopper. The shaping filter method was used, to predict the size of the meat chips produced, to modulate the perturbation acting on the system from the load side. Based on the single-stage chopping of raw meat, an automatic line is created for producing meat products, with a minced meat quality management system based on artificial intelligence on the principle of ‘unmanned technology’.
Highlights
In the technology of meat and meat product processing (Lisitsyn et al, 2004; Zajác et al, 2015; Herrero et al., 2008), it is noted that the structural and mechanical properties are determined largely by the particle size of the chopped raw material, i.e. the degree of chopping
The authors show automatic process control in minced meat production using a control system computer (CSC), with the aim of building an automatic control system (ACS) for chopping raw materials frozen in the form of blocks
The ACS’s control loop scheme for raw material cutting speed was realized, where an assembly of devices was chosen as the object of management (OM): the squirrel cage induction motor (SCIM) of the cutting mechanism drive; the frequency converter (FC) of the supply voltage, which changes the rotation speed of the SCIM; and the milling cutter of the chopper
Summary
In the technology of meat and meat product processing (Lisitsyn et al, 2004; Zajác et al, 2015; Herrero et al., 2008), it is noted that the structural and mechanical properties are determined largely by the particle size of the chopped raw material, i.e. the degree of chopping. Machine control of the single-stage chopping mode of initial frozen meat raw materials will allow rational management of the entire technological process on an automatic line developed for sausage production.
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