Roller Curving Machine Control With AR Curvature Verification

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Solution Overview

Problem

Current systems for curving large metal elongated pieces in major construction works are inefficient, requiring multiple operators, time-consuming manual verification processes, and are prone to errors and safety hazards due to the need for physical templates and manual handling of heavy pieces.

Innovation Solution

An augmented reality (AR) control system integrated with a roller curving machine that allows real-time monitoring and verification of the curvature of elongated pieces using a virtual template superimposed on the real image of the piece, reducing the need for manual intervention and physical templates.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual verification with physical templates is used, then measurement accuracy can be ensured, but the process becomes time-consuming and requires multiple operators

Engineering Contradiction:
Improvecurvature verification accuracyVSAvoidcurving cycle efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent uses a camera to capture images of the physical template and piece, then processes these images digitally to create virtual representations. This allows the verification process to be performed on digital copies rather than requiring direct manual measurement with physical templates, thereby reducing operator intervention time while maintaining measurement accuracy through image analysis algorithms.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent replaces the manual mechanical measurement process with an automated optical-digital system. Instead of operators physically placing and measuring against templates, the system uses cameras to capture images, processes them through software to detect edges and calculate curvature, and automatically compares measurements against target values, eliminating the need for continuous manual intervention.

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

2Measurement precision

If operators manually handle and move heavy pieces for verification, then curvature can be checked, but safety hazards increase and operator fatigue occurs

Engineering Contradiction:
Improvecurvature verificationVSAvoidsafety risks to operators
Core Design Contradiction:
Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The system enables self-service measurement by capturing images that automatically include reference markings and piece geometry. The software autonomously processes these images to extract curvature information without requiring operators to physically interact with or reposition heavy pieces, allowing verification to be performed from a safe distance while maintaining measurement capability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent introduces camera imaging and digital image processing as intermediaries between the operator and the heavy piece. Instead of operators directly handling pieces for measurement, the camera captures images that serve as an intermediary representation, allowing curvature verification to be performed on digital images rather than requiring direct physical contact with hazardous heavy components.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If multiple templates are prepared for different geometries, then various curvatures can be verified, but storage and management complexity increases

Engineering Contradiction:
Improvecapability to verify different curvaturesVSAvoidtemplate logistics and storage
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal digital template system where a single software platform can load and display various virtual templates for different curvature requirements. Instead of maintaining multiple physical templates for different geometries, the system stores digital template data that can be selectively displayed based on the specific verification task, providing multi-functionality without requiring separate physical devices for each template type.

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

Solution Approach 2:

The patent transitions from two-dimensional physical templates that require physical storage space to digital templates stored in the digital dimension. Virtual templates can be stored, retrieved, and displayed on screens without occupying physical storage space, allowing numerous different curvature specifications to be maintained without increasing physical logistics complexity while maintaining full adaptability to different verification needs.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS12233450B2Method and apparatus for controlling a process for curving elongated pieces and rolling curving machine
Publication Date: 2025.02.25 PROMAU SRL
  • US12233450B2 patent drawing
  • US12233450B2 patent drawing
  • US12233450B2 patent drawing

AI summary

A method for curving an elongated piece uses a digital system which includes a control console having a programmable processing unit and a screen for displaying data and a camera connected with the processing unit and configured and positioned for acquiring images of the elongated piece. In accordance with the method, the profile of at least one virtual template of curvature is stored in the processing unit and a real image of the elongated piece is detected. The profile of the virtual template and the real image of the elongated piece are reproduced and compared in real time. The roller curving machine is driven and the curvature and the geometric configuration of the elongated piece are matched with the profile of the virtual template of curvature.