Recognition of the importance of using artificial neural networks and genetic algorithms to optimize chiller operation

Abstract This paper presents the optimization of chillers operating using artificial neural networks and genetic algorithms. For the needs of generating chiller models, an artificial neural network was used, trained with data collected from an actual chiller. For that purpose the basic characteristics of artificial neural networks are shown as well as the process of making specific chiller models used for testing the results of application of the genetic algorithm in usage optimization. The optimal criteria with the shown steps for the use of the genetic algorithm and optimization results is also displayed in the paper. The results of use of artificial intelligence methods in optimization of chiller operation are verified through an actual office building model created in the simulation software EnergyPlus and through a series of experiments on an actual office building, equipped with a modern integrated BMS.

[1]  E. Arcaklioğlu,et al.  Artificial neural network analysis of heat pumps using refrigerant mixtures , 2004 .

[2]  F. W. Yu,et al.  Part load performance of air-cooled centrifugal chillers with variable speed condenser fan control , 2007 .

[3]  Xiangjiang Zhou,et al.  Optimal operation of a large cooling system based on an empirical model , 2004 .

[4]  Mustafa Inalli,et al.  Artificial neural networks and adaptive neuro-fuzzy assessments for ground-coupled heat pump system , 2008 .

[5]  Daniel E. Fisher,et al.  EnergyPlus: creating a new-generation building energy simulation program , 2001 .

[6]  B. T. Griffith,et al.  Photovoltaic and Solar Thermal Modeling with the EnergyPlus Calculation Engine: Preprint , 2004 .

[7]  Seyed Hossein Hosseinian,et al.  A novel approach for optimal chiller loading using particle swarm optimization , 2008 .

[8]  F. W. Yu,et al.  Strategy for designing more energy efficient chiller plants serving air-conditioned buildings , 2007 .

[9]  Clito Afonso,et al.  Recent advances in building air conditioning systems , 2006 .

[10]  Yung-Chung Chang Sequencing of chillers by estimating chiller power consumption using artificial neural networks , 2007 .

[11]  James M. Calm,et al.  Comparative efficiencies and implications for greenhouse gas emissions of chiller refrigerants , 2006 .

[12]  Shiming Deng,et al.  Applying grey forecasting to predicting the operating energy performance of air cooled water chillers , 2004 .

[13]  Xinhua Xu,et al.  A supervisory control strategy for building cooling water systems for practical and real time applications , 2008 .

[14]  S. Renganarayanan,et al.  Modelling of steam fired double effect vapour absorption chiller using neural network , 2006 .