Towards smart street LED lighting systems and preliminary energy saving results

The article gives an overview of various researches dealing with smart or intelligent street lighting systems, and what is meant with this term in different countries. Several available architectures of smart street lighting systems as well as those for future are described and discussed. Further some researches and developments of such systems in Riga Technical University are explained with the examples, also showing preliminary practical energy saving results of tests in real conditions of Riga city infrastructure. This is the first part of articles series about this research.

I. Introduction

The street lighting system is a necessity in order to have safe city traffic and increase comfort level for citizens, and in most cases the lighting systems tend to be as wide as the city street layout itself, therefore it has a lot of luminaries, consuming a significant amount of electrical energy.