Portable Welding Joint Calibration for Accurate Technique Tracking
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Solution Overview
Problem
It can be difficult for less experienced welding operators to accurately judge whether their welding technique is good or bad, which can negatively impact the quality of the weld.
Innovation Solution
A portable welding technique monitoring system that includes a mobile device with sensor and processing capabilities to identify a joint calibration area, track the welding tool's position and orientation, and provide feedback to improve welding technique.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If portable monitoring equipment is used, then system portability and accessibility are improved, but measurement precision and calibration accuracy deteriorate
Solution Approach 1:
The system performs preliminary joint calibration by identifying a calibration area on the workpiece and establishing reference points before actual welding monitoring begins. This pre-calibration process compensates for the limitations of portable sensors and ensures accurate measurement throughout subsequent welding operations.
Solution Approach 2:
The system introduces a calibration area as an intermediary element between the portable sensors and the welding joint. By establishing reference measurements in this known calibration zone, the system creates a mediator that enables accurate calibration despite the portable nature of the monitoring equipment.
2Measurement precision
If joint calibration area is identified and enforced, then measurement precision improves, but device complexity and setup time increase
Solution Approach 1:
The calibration area identification and setup is performed as a preliminary action before actual welding monitoring. The system identifies the calibration area, establishes reference points, and stores calibration data in advance, simplifying the overall process by separating calibration setup from operational monitoring.
Solution Approach 2:
The system automatically identifies the calibration area on the workpiece and performs self-calibration using the portable device's sensors. The processing circuitry automatically compares sensor data against expected calibration values, reducing the need for manual calibration procedures and complex setup operations.
Data Source
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AI summary
The present application relates to a portable technique monitoring system (100) providing lightweight, user-friendly, self-contained, and/or highly portable means for monitoring the technique of operators during a welding-type operation, and/or providing technique feedback. The portable technique monitoring system (100) is designed to work with a mobile device that is relatively low cost and highly portable (e.g., as compared to some other expensive and/or stationary sensors/processors used in other monitoring systems). The portable technique monitoring system (100) can also work with standard and/or common workpieces, tools, and/or equipment. The few custom components that are required for the portable technique monitoring system (100) are relatively low cost, lightweight, and highly portable, as is the system (100) itself, making it a very attractive solution for technique monitoring in both training and production scenarios.