TinyViT: Field Deployable Transformer Pipeline for Solar Panel Surface Fault and Severity Screening
Ishwaryah Pandiarajan, Mohamed Mansoor Roomi Sindha, Uma Maheswari Pandyan, Sharafia N

TL;DR
TinyViT is a compact, cost-effective deep learning pipeline that accurately detects and grades surface faults on solar panels using only visible light images, enabling scalable maintenance in resource-limited settings.
Contribution
The paper introduces TinyViT, a novel integrated transformer and machine learning pipeline for fault detection and severity estimation from simple visible images, reducing reliance on expensive sensors.
Findings
Achieves competitive accuracy in fault classification and severity grading.
Validates effectiveness on real-world datasets.
Enables affordable, scalable solar panel maintenance.
Abstract
Sustained operation of solar photovoltaic assets hinges on accurate detection and prioritization of surface faults across vast, geographically distributed modules. While multi modal imaging strategies are popular, they introduce logistical and economic barriers for routine farm level deployment. This work demonstrates that deep learning and classical machine learning may be judiciously combined to achieve robust surface anomaly categorization and severity estimation from planar visible band imagery alone. We introduce TinyViT which is a compact pipeline integrating Transformer based segmentation, spectral-spatial feature engineering, and ensemble regression. The system ingests consumer grade color camera mosaics of PV panels, classifies seven nuanced surface faults, and generates actionable severity grades for maintenance triage. By eliminating reliance on electroluminescence or IR…
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Taxonomy
TopicsPhotovoltaic System Optimization Techniques · Solar Radiation and Photovoltaics · Photovoltaic Systems and Sustainability
