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Applying multi-criteria decision analysis for selecting street lighting luminaires

This paper is available in a repository.
This paper is available in a repository.

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Preprint: policy unknown
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Postprint: policy unknown
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Abstract

Aim of this paper is to present a multicriteria decision methodology for choosing the appropriate luminaire for lighting provincial streets, which belong to various classes of EN 13201. To begin with, five different types of low wattage street luminaires (70-85W) are presented, each one representing a different lighting technology from the ones mentioned above. Each type of luminaire is evaluated using a consistent set of criteria, namely price, energy efficiency (lm/W), light output ratio, lamps’ lifespan, illuminance at the street level and illuminance uniformity. A certain weight is attributed to each one of the criteria. Consequently, the ELECTRE I multicriteria method is applied. The concordance and discordance indices are computed associating each ordered pair of luminaires. Moreover, a concordance and discordance threshold is defined. As a result, the outranking relations between the luminaires are found, the outranking graph is constructed and the kernel is deducted. Finally, the results of the method enable the decision maker to make the optimal selection of the most suitable street luminaire for each type of street.