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
Engineering 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
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.
2Measurement precision
If manual inspection by specialized experts is performed, then accurate defect identification can be achieved, but operational complexity and cost increase
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.
3Measurement precision
If more training data is collected for AI training, then detection accuracy improves, but data acquisition time and resources increase
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.
4Measurement precision
If AI algorithms are customized for different data types, then analysis precision improves, but system complexity increases
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.
Data Source
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.

