Nano Science and Technology Institute
Nanotech 2005 Vol. 3
Nanotech 2005 Vol. 3
Technical Proceedings of the 2005 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 7: Smart Sensors and Systems

Intelligent Data Aggregation in Sensor Networks Using Artificial Neural-Networks Algorithms

Authors:A. Kulakov and D. Davcev
Affilation:Ss. Cyril and Methodius University, MK
Pages:427 - 430
Keywords:sensor networks, neural networks, intellignet data aggregation, dimensionality reduction, data robustness, self-organization of input data, auto-classification of sensor readings
Abstract:Most of the current in-network data processing algorithms are modified regression techniques like multidimensional data series analysis. In our opinion, some of the algorithms well developed within the artificial neural-networks tradition, for over 40 years, can be easily adopted to wireless sensor network platforms and will meet the requirements for sensor networks like: simple parallel distributed computation, distributed storage, data robustness and auto-classification of sensor readings. As a result of the dimensionality reduction obtained simply from the outputs of the neural-networks clustering algorithms, lower communication costs and energy savings can also be obtained. In this paper we will present three possible implementations of the ART and FuzzyART neural-networks algorithms, which are unsupervised learning methods for categorization of the sensory inputs. They are tested on a data obtained from a set of several Smart-It motes, each equipped with several sensors of different types. Results from simulations of purposefully faulty sensors show the data robustness of these architectures.
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