Fault detection for air conditioning system using machine learning

Noor Asyikin Sulaiman, Md Pauzi Abdullah, Hayati Abdullah, Muhammad Noorazlan Shah Zainudin, Azdiana Md Yusop

Abstract


Air conditioning system is a complex system and consumes the most energy in a building. Any fault in the system operation such as cooling tower fan faulty, compressor failure, damper stuck, etc. could lead to energy wastage and reduction in the system’s coefficient of performance (COP). Due to the complexity of the air conditioning system, detecting those faults is hard as it requires exhaustive inspections. This paper consists of two parts; i) to investigate the impact of different faults related to the air conditioning system on COP and ii) to analyse the performances of machine learning algorithms to classify those faults. Three supervised learning classifier models were developed, which were deep learning, support vector machine (SVM) and multi-layer perceptron (MLP). The performances of each classifier were investigated in terms of six different classes of faults. Results showed that different faults give different negative impacts on the COP. Also, the three supervised learning classifier models able to classify all faults for more than 94%, and MLP produced the highest accuracy and precision among all.

Keywords


Air Conditioning System; Fault detection; Machine learning

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DOI: http://doi.org/10.11591/ijai.v9.i1.pp109-116
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