4.5 Article

System of Systems and Big Data analytics - Bridging the gap

Journal

COMPUTERS & ELECTRICAL ENGINEERING
Volume 40, Issue 1, Pages 2-15

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compeleceng.2013.11.016

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Funding

  1. Lutcher Brown Distinguished Chair, ACE Laboratory, the University of Texas at San Antonio

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Large data has been accumulating in all aspects of our lives for quite some time. Advances in sensor technology, the Internet, wireless communication, and inexpensive memory have all contributed to an explosion of Big Data. System of Systems (SOS) integrate independently operating, non-homogeneous systems to achieve a higher goal than the sum of the parts. Today's SoS are also contributing to the existence of unmanageable Big Data. Recent efforts have developed a promising approach, called Data Analytics, which uses statistical and computational intelligence (Cl) tools such as principal component analysis (PCA), clustering, fuzzy logic, neuro-computing, evolutionary computation (such as genetic algorithms), Bayesian networks, etc. to reduce the size of Big Data to a manageable size and apply these tools to (a) extract information, (b) build a knowledge base using the derived data, and (c) eventually develop a non-parametric model for the Big Data. This paper demonstrates how to construct a bridge between SoS and Data Analytics to develop reliable models for such systems. The subject material for this demonstration is using data analytics to generate a model to forecast produced photovoltaic energy to assist in the optimization of a micro grid SoS. Tools like fuzzy interference, neural networks, PCA, and genetic algorithms are used. (C) 2013 Elsevier Ltd. All rights reserved.

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