Composite Inspection Platform for Early Defect Detection

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Solution Overview

Problem

Current composite materials manufacturing systems lack efficient automated quality check mechanisms, leading to increased defective products and inefficiencies in lean manufacturing processes, as they struggle to integrate real-time data analytics and sensor data effectively for continuous improvement.

Innovation Solution

An automated inspection system that utilizes a core platform to collect and analyze data from various sensors, including non-contact ultrasound, laser, and infrared sensors, to identify defects in composite articles at multiple stages of the manufacturing process, providing alerts and adjusting manufacturing parameters in real-time to prevent defects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If automated inspection systems are implemented, then quality control and defect detection are improved, but device complexity and initial cost increase

Engineering Contradiction:
Improvequality controlVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The inspection system is divided into multiple independent sensor modules (ultrasound, laser, infrared) that can be selectively activated based on the manufacturing stage and defect type, reducing overall system complexity while maintaining comprehensive inspection capability

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A single automated inspection system integrates multiple sensing modalities (ultrasound for internal defects, laser for surface topology, infrared for thermal/curing state) to perform various inspection functions across different manufacturing stages, eliminating the need for separate inspection systems

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

2Measurement precision

If real-time sensor data collection and analysis are implemented, then defect detection capability is improved, but use of energy and computational resources increase

Engineering Contradiction:
Improvedefect detection capabilityVSAvoidcomputational resource consumption
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The system pre-configures inspection parameters, thresholds, and analysis algorithms based on historical data and defect patterns before actual inspection begins, reducing real-time computational requirements while maintaining high detection precision

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system applies full analytical processing only when anomaly indicators are detected, otherwise using reduced monitoring modes with lower computational overhead, balancing detection precision with energy consumption

Inventive Principle:
Principle #16Partial or excessive action

3Productivity

If automated inspection is implemented, then productivity is improved through reduced manual inspection, but device complexity increases

Engineering Contradiction:
Improveinspection efficiencyVSAvoidautomation system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The inspection system automatically adjusts its parameters, selects appropriate sensing modalities, and generates inspection reports without human intervention, maximizing productivity while keeping the control system manageable through self-configuration capabilities

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system continuously monitors inspection results and manufacturing process data, automatically adjusting inspection frequency and parameters based on detected trends, which simplifies operation while maintaining high automation levels

Inventive Principle:
Principle #23Feedback

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

This system enables early detection and correction of defects, reducing waste, improving quality control, and potentially eliminating the need for manual inspections, thereby enhancing productivity and reducing cycle times in composite materials production.

Implementation Method 1

The sensor system is configured to measure a first characteristic corresponding to integrity of the composite article after application of a plurality of layers of one or more raw materials at the layup stage, and measure a second characteristic corresponding to integrity of the composite article after curing the composite article

Methodology Applied
Scientific EffectUltrasound: Ultrasound

Implementation Method 2

An automated inspection system that utilizes a core platform to collect and analyze data from various sensors, including non-contact ultrasound, laser, and infrared sensors

Methodology Applied
Scientific EffectLaser: Laser

Implementation Method 3

The sensor system is configured to measure a first characteristic corresponding to integrity of the composite article after application of a plurality of layers of one or more raw materials at the layup stage, and measure a second characteristic corresponding to integrity of the composite article after curing the composite article

Methodology Applied
Scientific EffectInfrared radiation: Infrared Radiation

Data Source

PatentEP3579065B1Systems and methods to automate composite manufacturing quality checks
Publication Date: 2024.10.16 AURORA FLIGHT SCIENCES CORP
  • EP3579065B1 patent drawingFigure 1a
  • EP3579065B1 patent drawingFigure 1b
  • EP3579065B1 patent drawingFigure 1c

AI summary

An automated inspection system for monitoring a manufacturing process includes a core platform to operatively connect a plurality of systems or subsystems via one or more interfaces. A sensor system operatively coupled with the core platform to monitor one or more characteristics of a manufactured article. An actuation system operatively coupled with the core platform to implement the manufacturing process based on instruction from the core platform. The core platform is configured to receive a first measurement of the one or more characteristics of a composite article from the sensor system after application of a plurality of layers of one or more raw materials; receive data regarding a second measurement of the one or more characteristics from the sensor system after curing the composite article; and generate an alert in response to a determination that a defect exists in the composite article based on the first or second measurement.