VR Welding Simulation with Stereoscopic 3D Feedback

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Solution Overview

Problem

Conventional arc welding training methods are limited in providing realistic feedback, relying heavily on real-world practice that consumes resources and materials, and existing simulations often focus on muscle memory or unrealistic visual and audio effects, lacking the critical feedback needed for effective welding technique development.

Innovation Solution

A virtual reality system that simulates a weld puddle with real-time molten metal fluidity and heat absorption characteristics, displayed in a stereoscopic 3D format, allowing users to practice and adjust their welding techniques in a realistic virtual environment, providing immediate visual feedback on their performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If real-world welding practice is used for training, then welding technique development is effective, but welding resources and materials are consumed

Engineering Contradiction:
Improvewelding technique developmentVSAvoidwelding materials consumption
Core Design Contradiction:
Manufacturing precisionVSLoss of substance

Solution Approach 1:

The patent creates a virtual copy of the welding environment that replicates real-world welding conditions, including visual and audio effects. Students practice welding techniques on virtual welding pieces using simulated welding tools, eliminating the need to consume actual welding materials while maintaining training effectiveness

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The system changes the physical state of the training environment from real physical materials to virtual simulated materials. By transforming the welding process into a virtual simulation with controlled parameters, the system preserves the educational value while eliminating material consumption

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If welding simulations focus on muscle memory training, then tool positioning is learned, but realistic welding feedback is lacking

Engineering Contradiction:
Improvetool positioning skillVSAvoidwelding process feedback
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The patent implements a comprehensive feedback system that provides students with visual and audio information about the welding process in real-time. The simulation displays weld pool characteristics, arc behavior, and produces authentic welding sounds, enabling students to observe and learn from the actual welding process rather than relying solely on muscle memory

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system uses visual color changes and graphical representations to convey welding process information. The simulation displays different colors and visual effects representing various welding states, temperatures, and process conditions, providing rich visual feedback that enhances understanding of welding dynamics

Inventive Principle:
Principle #32Color changes

3Illumination intensity

If welding simulations provide visual and audio effects, then welding process visualization is improved, but training realism is limited

Engineering Contradiction:
Improvewelding visualizationVSAvoidtraining realism
Core Design Contradiction:
Illumination intensityVSReliability

Solution Approach 1:

The patent merges multiple training functions into a single integrated virtual simulation system. By combining muscle memory training, realistic visual and audio feedback, and comprehensive welding process visualization into one unified environment, the system achieves both engaging visualization and reliable training realism simultaneously

Inventive Principle:
Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables effective training by mimicking real-world welding conditions, reducing resource consumption and improving technique development through realistic visual feedback, allowing users to adjust their welding methods in real-time within a virtual environment.

Implementation Method 1

simulating, in virtual reality space, a weld puddle having real-time molten metal fluidity

Methodology Applied
Scientific EffectMolten metal fluidity:

Implementation Method 2

heat dissipation characteristics

Methodology Applied
Scientific EffectHeat dissipation:

Data Source

PatentEP4016505A1System and method providing combined virtual reality arc welding and three-dimensional (3D) viewing
Publication Date: 2022.06.22 LINCOLN GLOBAL INC
  • EP4016505A1 patent drawingFigure 1
  • EP4016505A1 patent drawingFigure 2
  • EP4016505A1 patent drawingFigure 3

AI summary

A real-time virtual reality welding system (100, 2000, 2100) including a programmable processor-based subsystem (110) configured to generate simulation data corresponding to elements of a welding environment in virtual reality space; a three-dimensional (3D) conversion unit (2010) operatively connected to the programmable processor-based subsystem (110) and configured to convert at least a portion of the simulation data, representative of at least a portion of the virtual welding environment, to 3D data in a stereoscopic 3D transmission format; and a 3D display-facilitating device (2110) operatively connected to the 3D conversion unit (2010) and configured to receive the 3D data from the 3D conversion unit (2010) and facilitate displaying of a stereoscopic representation of the 3D data.