Physics-Guided Deep Learning for Heat Pump Stress Detection: A Comprehensive Analysis on When2Heat Dataset

• URL: http://arxiv.org/abs/2512.13696v1
• Date: Sun, 23 Nov 2025 18:50:47 GMT
• Title: Physics-Guided Deep Learning for Heat Pump Stress Detection: A Comprehensive Analysis on When2Heat Dataset
• Authors: Md Shahabub Alam, Md Asifuzzaman Jishan, Ayan Kumar Ghosh,
• Abstract summary: This paper presents a novel Physics-Guided Deep Neural Network (PG-DNN) approach for heat pump stress classification.<n>The methodology integrates physics-guided feature selection and class definition with a deep neural network architecture.<n>The model achieves 78.1% test accuracy and 78.5% validation accuracy, demonstrating significant improvements over baseline approaches.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Heat pump systems are critical components in modern energy-efficient buildings, yet their operational stress detection remains challenging due to complex thermodynamic interactions and limited real-world data. This paper presents a novel Physics-Guided Deep Neural Network (PG-DNN) approach for heat pump stress classification using the When2Heat dataset, containing 131,483 samples with 656 features across 26 European countries. The methodology integrates physics-guided feature selection and class definition with a deep neural network architecture featuring 5 hidden layers and dual regularization strategies. The model achieves 78.1\% test accuracy and 78.5% validation accuracy, demonstrating significant improvements over baseline approaches: +5.0% over shallow networks, +4.0% over limited feature sets, and +2.0% over single regularization strategies. Comprehensive ablation studies validate the effectiveness of physics-guided feature selection, variable thresholding for realistic class distribution, and cross-country energy pattern analysis. The proposed system provides a production-ready solution for heat pump stress detection with 181,348 parameters and 720 seconds training time on AMD Ryzen 9 7950X with RTX 4080 hardware.

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