Paper title:

A Traffic Prediction Algorithm for Street Lighting Control Efficiency

Published in: Issue 2, (Vol. 7) / 2013
Publishing date: 2013-10-28
Pages: 13-17
Author(s): LAVRIC Alexandru, POPA Valentin
Abstract. This paper presents the development of a traffic prediction algorithm that can be integrated in a street lighting monitoring and control system. The prediction algorithm must enable the reduction of energy costs and improve energy efficiency by decreasing the light intensity depending on the traffic level. The algorithm analyses and processes the information received at the command center based on the traffic level at different moments. The data is collected by means of the Doppler vehicle detection sensors integrated within the system. Thus, two methods are used for the implementation of the algorithm: a neural network and a k-NN (k-Nearest Neighbor) prediction algorithm. For 500 training cycles, the mean square error of the neural network is 9.766 and for 500.000 training cycles the error amounts to 0.877. In case of the k-NN algorithm the error increases from 8.24 for k=5 to 12.27 for a number of 50 neighbors. In terms of a root means square error parameter, the use of a neural network ensures the highest performance level and can be integrated in a street lighting control system.
Keywords: Street Lighting Control; Traffic Prediction Algorithm; Neural Network; Dimming

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