一种搅拌摩擦焊实时温度监测及控制系统

By combining an infrared temperature measurement module with intelligent algorithms, a temperature intelligent compensation and control model is constructed, which solves the problem of inconsistent temperature in aluminum alloy friction stir welding joints, realizes accurate temperature monitoring and real-time parameter adjustment, and improves welding quality and strength.

CN117733312BActive Publication Date: 2026-07-17SHENYANG AEROSPACE UNIVERSITY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENYANG AEROSPACE UNIVERSITY
Filing Date
2023-12-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The temperature field of existing aluminum alloy friction stir welding joints is inconsistent, resulting in uneven strength in the weld direction. Furthermore, infrared thermometry technology fails to fully consider the influence of environmental factors, leading to insufficient accuracy.

Method used

An infrared temperature measurement module, a temperature compensation module, a data processing module, and a temperature control module are used. By combining ridge regression algorithm and deep reinforcement learning, an intelligent temperature compensation model and a control decision model are constructed to monitor and adjust welding parameters in real time, ensuring temperature consistency and strength prediction.

Benefits of technology

It enables precise monitoring and control of the temperature field in aluminum alloy friction stir welding joints, ensuring that temperature fluctuations in the weld direction are within a controllable range, improving welding quality and strength stability, and reducing the need for post-weld inspection.

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Abstract

本发明提供一种搅拌摩擦焊实时温度监测及控制系统,涉及金属焊接技术领域,本发明系统包括搅拌摩擦焊机、工艺参数实时采集模块、红外测温模块、温度补偿模块、数据传输及处理模块、温度调控模块、焊缝强度预估模块和显示终端。通过采集焊接过程中影响红外测温精度的各项因素,将其输入到温度智能补偿模型中,输出补偿值,处理成为实时温度数据。通过温度智能调控决策模型对应输出各个工艺参数调整值,再由执行机构执行相应决策,进而实时调控温度在合理稳定的范围内。通过焊缝强度预测模型,实时输出焊缝强度值P,若强度符合设计标准,继续焊接,若强度低于设计标准,则标记此强度值P,以便获得沿焊缝方向位置信息。
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