Long Short-Term Memory Neural Network Model for the Control of Temperature in A Multi-Circuit Air Conditioning System

Authors

  • Ibrahim Oleolo School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Hayati Abdullah School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Ismail Mustapha School of Computing, Computer Science Department, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Maziah Mohamad School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Mohammad Nazri Mohd Jaafar School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Akeem Olowolayemo Department of Computer Science, KICT, International Islamic University Malaysia
  • Sapiah Sulaiman Smart Digital Community Research Alliance Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia

DOI:

https://doi.org/10.37934/cfdl.14.12.8498

Keywords:

Temperature control, Neural Network, Multi-Circuit Air Conditioning System

Abstract

Temperature control is important in energy management of buildings. Air conditioning system contributes a high percentage of the total energy consumption, the compressor, which is a major component of the Air conditioning system, utilizes up to 90% of the energy. This can drastically be reduced by varying the frequency of the compressor with respect to the required indoor temperature, as such, reducing the overall energy usage of the air conditioning system. The combination of a well-tuned controller and variable frequency drive can be used to achieve this. It is important to develop a good model which can be used to design the controller. Although there are published research works in the development of models for the control of air conditioning systems, there seems to be a lack of study in the area of multi-circuit centralized air conditioning system. In this study, two models were developed using Long Short Term Memory Neural Network and Recurrent Neural Network, utilizing compressor speed and indoor air temperature of a multi-circuit water cooled packaged unit as input and output respectively. Comparing the two models, results shows that the Long Short-Term Memory Neural Network model performed better across evaluation metrics such as R-squared, Mean Squared Error and Mean Absolute Error, with the value of 0.9638, 0.0049, and 0.0190 respectively

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References

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Published

2022-11-22

How to Cite

Ibrahim Oleolo, Hayati Abdullah, Ismail Mustapha, Maziah Mohamad, Mohammad Nazri Mohd Jaafar, Akeem Olowolayemo, & Sapiah Sulaiman. (2022). Long Short-Term Memory Neural Network Model for the Control of Temperature in A Multi-Circuit Air Conditioning System. CFD Letters, 14(12), 84–98. https://doi.org/10.37934/cfdl.14.12.8498

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