Thursday 23rd of November 2017
 

Hybrid Genetic Algorithm and Local Search for Energy Demand Prediction Model


Wahab Musa, Ku Ruhana Ku-Mahamud and Azman Yasin

Energy demand pattern have many variables related to uncertainty behavior. These lead to a higher estimation rate of energy demand forecasting. However, two problems need to be overcome. The first problem is the fitness evaluation in energy demand forecasting model in which more than one variable are included, and the second problem is the local optimality that single algorithm fails to solve. The objective of this research is to develop energy demand forecasting model that reflects the characteristics of energy demand. A local search is used to assist the genetic algorithm in overcoming uncertainty in demand and the local optima problem and thus producing a higher estimation rate. To evaluate the performance of energy demand model, the actual demand was compared to estimation results. The findings indicate that the solution obtained using the proposed model was an improvement in quality over that obtained by a single genetic algorithm and can be applied to forecast future energy demand with higher approximation accuracy.

Keywords: Hybrid genetic algorithm, Energy demand forecasting, Higher approximation accuracy.

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ABOUT THE AUTHORS

Wahab Musa
Wahab Musa (Corresponding Author) is a senior lecturer at Electrical Engineering Department, Universitas Negeri Gorontalo, Indonesia. His research interest includes electricity energy planning, hybrid genetic algorithm and computational intelligence applied in demand forecasting, and electronic digital signal processing.

Ku Ruhana Ku-Mahamud
Ku Ruhana Ku-Mahamud is a Professor in the School of Computing at the College of Arts and Sciences, Universiti Utara Malaysia. As an academic, her research interest include computer systems performance modeling, ant colony optimization and computational intelligence.

Azman Yasin
Azman Yasin is an Associate Professor in the School of Computing at the College of Arts and Sciences, Applied Science Division, Universiti Utara Malaysia, 06010 UUM Sintok, Kedah. Malaysia. His research interest includes software engineering education, information retrieval specifically scheduling and timetabling using artificial intelligence techniques.


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