Virtual Reality Welding Training System with Real-Time Feedback

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Solution Overview

Problem

Welding education and training in real-world settings are hindered by high costs, safety concerns, and limited access to resources, making it difficult for students to effectively learn and correct welding techniques.

Innovation Solution

A virtual reality-based system for welding training that simulates real-time welding processes, providing a safe and cost-effective environment with real-time visual feedback on welding technique, using a programmable processor-based subsystem, spatial tracker, and mock welding tools to create a realistic virtual welding experience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If real welding equipment and materials are used for training, then students can practice actual welding techniques, but the cost of equipment and materials becomes expensive

Engineering Contradiction:
Improvetraining effectivenessVSAvoidcost of equipment and materials
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent creates a virtual copy of the real welding environment, equipment, and materials. Students interact with virtual welding equipment that replicates the functionality and appearance of real equipment, allowing them to practice welding techniques without consuming physical materials or risking damage to expensive real equipment.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The virtual welding environment replaces expensive, durable physical equipment with inexpensive virtual counterparts. The virtual materials can be reset and reused indefinitely without degradation, eliminating the need to replace consumable welding materials after each training session.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Reliability

If real welding equipment is used for training, then students can learn practical skills, but safety hazards arise for the student

Engineering Contradiction:
Improveskill acquisitionVSAvoidsafety hazards
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The virtual reality system acts as an intermediary between the student and the actual welding process. Students can practice welding techniques and experience the sensory aspects of welding through the virtual environment without being exposed to real hazards such as extreme heat, electric arc, toxic fumes, and molten metal.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent transforms the potentially harmful real welding environment into a safe virtual representation. The hazards that would normally prevent safe training are converted into visual and sensory feedback in the virtual environment, allowing students to learn safety awareness without actual exposure to dangers.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Reliability

If real welding environment is used for training, then students can gain hands-on experience, but the time required to understand and correct mistakes increases

Engineering Contradiction:
Improvepractical experienceVSAvoidtime to correct mistakes
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The virtual welding system provides immediate feedback to students about the quality of their welds and the correctness of their techniques. The system can analyze weld parameters, detect defects, and provide real-time guidance on corrections needed, eliminating the delay inherent in real-world welding where students must wait for instructor evaluation or physical inspection of welds.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system allows students to practice and master welding techniques in the virtual environment before attempting real welding. Students can repeatedly practice corrective actions for common mistakes until proficient, preparing them in advance for real-world applications where corrections may be more difficult or time-consuming.

Inventive Principle:
Principle #10Preliminary action

4Reliability

If real welding environment is used for training, then students can practice welding skills, but access to additional educational materials and instructor help becomes limited

Engineering Contradiction:
Improveskill developmentVSAvoidaccess to resources
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The virtual welding training system integrates multiple functions into a single platform: welding simulation, educational material delivery, instructor communication, and performance tracking. Students have universal access to all these resources through the virtual environment, including libraries of welding procedures, safety guidelines, troubleshooting guides, and direct communication channels with instructors.

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

Data Source

PatentEP2973510B1Systems and methods providing enhanced education and training in a virtual reality environment
Publication Date: 2019.11.06 LINCOLN GLOBAL INC
  • EP2973510B1 patent drawingFigure 1
  • EP2973510B1 patent drawingFigure 2
  • EP2973510B1 patent drawingFigure 3

AI summary

Virtual reality arc welding systems that provide virtual reality simulations for training purposes. Virtual reality welding systems to aid in training welding students may provide intelligent connections to web sites on the internet, overlays of ideal weld puddles, recommended corrective actions based on virtual testing results, simulations of virtual environments with safety hazards, and simulations of relationships between improperly set welding parameters and weld defects and discontinuities.