Real-time intelligent control system and method in a twin-wire electric arc additive manufacturing process

By using a real-time intelligent control system and spectral detection and high-speed camera modules, real-time component detection and closed-loop control are achieved in the dual-wire arc additive manufacturing process. This solves the problems of component detection lag and low accuracy, improves the component control accuracy and forming quality of functionally graded materials, and is applicable to aerospace and other fields.

CN122353008APending Publication Date: 2026-07-10DONGGUAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DONGGUAN UNIV OF TECH
Filing Date
2026-03-10
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing dual-wire electric arc additive manufacturing technology cannot achieve real-time component detection and precise control, resulting in low component gradient accuracy and large performance fluctuations. It cannot meet the design requirements of complex nonlinear gradient components, thus limiting the engineering application of functionally graded materials.

Method used

A real-time intelligent control system is adopted, which synchronously collects data through spectral detection and high-speed camera module, calculates composition deviation in real time, and performs closed-loop feedback control to adjust the wire feeding rate and process parameters, thereby achieving precise interlayer control.

Benefits of technology

It enables real-time characterization and precise capture of alloy composition, improving the accuracy of composition control and forming quality. It is suitable for the efficient preparation of various functionally graded materials, meeting the needs of aerospace and other fields.

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Abstract

This invention discloses a real-time intelligent control system and method for dual-wire arc additive manufacturing, relating to the field of additive manufacturing technology. The system includes steps 1: preliminary preparation and parameter preset; 2: system debugging and printing initialization; 3: current layer printing and synchronous data acquisition; 4: real-time component decoupling and deviation calculation; and 5: intelligent calculation and next-layer parameter update. This real-time intelligent control system and method for dual-wire arc additive manufacturing consists of a dual-wire arc additive manufacturing execution unit, a multi-source online detection unit, and a central control and intelligent control unit. Through steps such as parameter preset and model establishment, system debugging and initialization, synchronous data acquisition during the printing process, real-time component decoupling and deviation calculation, and intelligent calculation and update of next-layer process parameters, it achieves high detection accuracy, fast response speed, and improved forming quality and stability. It is adaptable to the high-precision preparation of multi-system functional graded materials.
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