Wind Turbine Rotor Blade Inspection With AI Defect Tracking

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Solution Overview

Problem

Manual inspections of wind turbine rotor blades are tedious, repetitive, and require specialized human experts, leading to longer processing times and process variability due to human subjectivity.

Innovation Solution

An inspection platform that integrates AI technology to automate the inspection process, using AI pipelines for data analytics, defect tracking, and visualization, and employs blending techniques like random cut and paste, Poisson blending, and Generative Adversarial Networks to augment training data for improved defect detection and tracking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual inspection by human experts is performed, then detection accuracy can be achieved, but inspection cycle time increases and process variability occurs

Engineering Contradiction:
Improvedetection accuracyVSAvoidinspection cycle time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces manual mechanical inspection processes with automated optical scanning systems and AI-based image analysis. The system uses automated data acquisition devices to capture rotor blade images and employs machine learning algorithms to detect defects, eliminating the need for manual visual inspection while maintaining or improving detection accuracy and significantly reducing inspection cycle time.

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

2Measurement precision

If manual inspection by specialized experts is performed, then accurate defect identification can be achieved, but operational complexity and cost increase

Engineering Contradiction:
Improvedefect identification accuracyVSAvoidoperational simplicity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The system enables self-service inspection capabilities where the automated scanning and AI analysis perform defect identification without requiring specialized human experts. The AI model is trained to autonomously detect and classify defects, making the inspection process accessible to operators without specialized training while maintaining high accuracy through advanced algorithmic analysis.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If more training data is collected for AI training, then detection accuracy improves, but data acquisition time and resources increase

Engineering Contradiction:
Improvedetection accuracyVSAvoiddata acquisition time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system uses data augmentation techniques to create synthetic copies of training data through image processing operations such as rotation, scaling, and transformation. This allows the AI model to be trained on diverse datasets without requiring proportional increases in physical data collection time, as synthetic data copies provide additional training samples that mimic real-world variations.

Inventive Principle:
Principle #26Copying

4Measurement precision

If AI algorithms are customized for different data types, then analysis precision improves, but system complexity increases

Engineering Contradiction:
Improveanalysis precisionVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system employs a universal AI platform that can process multiple data types (images, videos, sensor data) using the same core architecture. The system uses configurable processing pipelines that can be adapted to different data types without requiring fundamentally different algorithms, maintaining precision through type-specific processing steps while avoiding the complexity of entirely separate systems for each data type.

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

Data Source

PatentUS20260027664A1Method for performing a maintenance or repair of a rotor blade of a wind turbine
Publication Date: 2026.01.29 LM WIND POWER AS
  • US20260027664A1 patent drawing
  • US20260027664A1 patent drawing

AI summary

A method for performing a maintenance or repair of a rotor blade of a wind turbine, the method comprising: planning and scheduling data acquisition; acquiring data of the at least one rotor blade based on the planning and scheduling; processing and analyzing the acquired data using artificial intelligence; identifying (108) defects of the one rotor; and tracking and visualizing the identified defects of the rotor blade; performing a maintenance or a repair of the rotor blade; wherein processing and analyzing the acquired data using artificial intelligence includes determining one or more artificial intelligence, and wherein the artificial intelligence is trained based on previously acquired data of one or more rotor blades and the previously acquired data is further augmented using blending to obtain augmented training data, and wherein the blending includes a random cut and paste and/or a Poisson blending/alpha blending and/or a GAN based blending.