,
Liliana Marie Prikler
,
Franz Wotawa
Creative Commons Attribution 4.0 International license
Improving sustainability in the building sector requires more efficient operation of energy-intensive systems such as Heating, Ventilation, and Air Conditioning (HVAC). We present a novel diagnostic framework for HVAC systems that integrates Answer Set Programming (ASP) with Functional Event Calculus (FEC). Our approach exploits the declarative nature of ASP for modeling and incorporates FEC to capture temporal system dynamics. We demonstrate the feasibility of our approach through a case study on a real-world heating system, where we model key components and system constraints. Our evaluation on nominal and faulty traces shows that exploiting ASP in combination with FEC can identify plausible diagnoses. Moreover, we explore the difference between static and rolling-window strategies and provide insights into runtime versus soundness on those variants. Our work provides a step toward the practical application of ASP-based temporal reasoning in building diagnostics.
@InProceedings{koitzhristov_et_al:OASIcs.DX.2025.1,
author = {Koitz-Hristov, Roxane and Prikler, Liliana Marie and Wotawa, Franz},
title = {{Beyond Static Diagnosis: A Temporal ASP Framework for HVAC Fault Detection}},
booktitle = {36th International Conference on Principles of Diagnosis and Resilient Systems (DX 2025)},
pages = {1:1--1:20},
series = {Open Access Series in Informatics (OASIcs)},
ISBN = {978-3-95977-394-2},
ISSN = {2190-6807},
year = {2025},
volume = {136},
editor = {Quinones-Grueiro, Marcos and Biswas, Gautam and Pill, Ingo},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.DX.2025.1},
URN = {urn:nbn:de:0030-drops-247901},
doi = {10.4230/OASIcs.DX.2025.1},
annote = {Keywords: Model-based diagnosis, Answer set programming, HVAC, Modeling for diagnosis, Experimental evaluation}
}