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Industrial Automatic Control Systems and Controllers

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Analysis and Synthesis of Welding Inverter Control System
Domanov A.V. Domanov V.I. Mishin A.V.

Investigated the process of manual arc welding with the man as the control system element. On the basis of the information approach carried out various models of man – the operator. An analysis is made of the arc and compiled the equivalent circuit diagram of the power supply. Compiled block diagram of the linearized system. The analysis of the system under the action of random signals, the effect of which may lead to an increase in the continuity of the arc and short circuit technology. It is proved that using the adaptive tuning of the current regulation of the arc for a specific person – the operator can provide a minimum variance of the power inverter current. Developed and shows a diagram of an adaptive controller algorithm of surge suppression circuit current. The application of the adaptive controller can reduce the variance of the welding current and improve the quality management system by reducing the amount of arc breaks and short circuits.

Keywords: operator; arc; inverter; linearized system; random signal; adaptive setting.

Contacts: E-mail: andrew.domanov@gmail.com

Pp. 03-08.

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