A Methodological Approach To Evaluating The
Sustainability Level Of A Transport Service
Author(s)
R. Rossi, M. Gastaldi & R. Vescovi
Abstract
Starting from the three-dimensional definition of the concept of sustainability
(social, economic and environmental perspectives), this paper proposes a
methodological approach based on the theory of fuzzy systems and the theory of
possibility, such as will allow the determination of a single overall indicator for
the sustainability of possible action plans on transport and territory. The
methodology can be used to formalize the conceptual schema of the three
dimensions of sustainable development widely referred to in literature as the
\“three pillars of sustainability”. The method works on three different levels. At
the first level, three fuzzy inference systems produce three sustainability
indicators (social, economic and environmental), each using respective input
variables (indicators commonly used for evaluation processes in the field of
transportation systems analysis), and respective inference rules formulated by
experts. At the second level, the fuzzy variables representing social, economic and environmental sustainability of the action become inputs for three different
inference systems (based on rules formulated by experts), the outputs of the
inference systems are indicators of equity (social/economic dimension), viability
(economic/environmental dimension) and bearableness (social/environmental
dimension). At the third level, the fuzzy variables produced from the previous
level become input variables for an inference system, again based on set rules,
which can be used to compose the different dimensions (social, economic and
environmental) and deliver, as the final output, a fuzzy indicator of the durability
and sustainability offered by the action plan.
Keywords: sustainability, fuzzy, evaluation.
Keywords
sustainability, fuzzy, evaluation.
Related Book
Other papers in this volume
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