Weld Training Feedback Using Reflective Marker Tracking

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Solution Overview

Problem

Current welding training systems are expensive and often inadequate in training operators to perform high-quality welds, limiting their effectiveness in preparing operators for manual welding operations.

Innovation Solution

A comprehensive welding system that includes a welding torch with integrated sensors and a software platform for real-time feedback, virtual reality training, and data analysis, allowing for precise monitoring and improvement of welding techniques.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If traditional welding training systems are used, then operators can be trained in welding operations, but the training quality is inadequate and cannot produce high-quality welds

Engineering Contradiction:
Improveweld qualityVSAvoidtraining effectiveness
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

The system incorporates sensors (optical, acoustic, thermal) that continuously monitor welding parameters and provide real-time feedback to operators through the display system. This feedback loop enables operators to see the direct relationship between their welding technique and the resulting weld quality, allowing for immediate correction and learning, thereby producing high-quality welds while maintaining effective training.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces traditional mechanical/instructor-based training evaluation with automated sensor systems and computer-based analysis. Multiple sensors detect welding parameters electronically and process the data through a computer system that objectively evaluates weld quality, eliminating the subjectivity and inadequacy of manual training assessment methods.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If comprehensive welding training systems with sensors and software are implemented, then training quality and weld quality improve, but the system cost increases

Engineering Contradiction:
Improveweld qualityVSAvoidsystem cost
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system is designed to perform multiple functions: it monitors welding parameters, captures visual data, records acoustic signals, measures thermal properties, provides real-time feedback, stores training data, and generates performance reports. By consolidating these diverse functions into a single integrated platform, the system achieves high training effectiveness and weld quality without requiring multiple separate expensive systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system automatically monitors, records, and evaluates welding performance without requiring external instructors for continuous assessment. The sensors and software autonomously capture data and provide feedback, enabling operators to self-correct and learn independently, thereby reducing the need for expensive instructor time and manual evaluation processes.

Inventive Principle:
Principle #25Self-service

3Reliability

If real-time monitoring and feedback systems are added to welding training, then training effectiveness improves, but the device complexity and cost increase

Engineering Contradiction:
Improvetraining effectivenessVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple monitoring functions (optical sensing, acoustic detection, thermal measurement, electrical parameter tracking) into a single integrated system that shares common hardware components and software processing. This merging approach enables comprehensive real-time feedback while avoiding the complexity and cost of having separate independent monitoring systems for each function.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS11192199B2System and method for weld-training system
Publication Date: 2021.12.07 ILLINOIS TOOL WORKS INC
  • US11192199B2 patent drawing
  • US11192199B2 patent drawing
  • US11192199B2 patent drawing

AI summary

A system includes one or more sets of reflective visual markers, a light source configured to emit light, and a controller communicatively coupled to the light source. Each set of reflective visual markers is coupled to a component of a welding system. Each reflective visual marker is configured to reflect the emitted light received from the light source towards one or more cameras. The controller is configured to control illumination settings of the light source based at least in part on a status of the welding system being utilized to perform a live-arc welding operation.