Logistics for the Garbage Collection through the use of Ant Colony Algorithms

Logistics for the Garbage Collection through the use of Ant Colony Algorithms

Julio Cesar Ponce Gallegos (Autonomous University of Aguacalientes, Mexico), Fatima Sayuri Quezada Aguilera (Autonomous University of Aguacalientes, Mexico), José Alberto Hernandez Aguilar (Autonomous University of Morelos, Mexico) and Christian José Correa Villalón (Institute of Education of Aguascalientes, Mexico)
DOI: 10.4018/978-1-4666-2038-4.ch108
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Abstract

The contribution of this chapter is to present an approach to explain the Ant Colony System applied on the Waste Collection Problem, because waste management is moving up to the concern over health and environmental impacts. These algorithms are a framework for decision makers in order to analyze and simulate various spatial waste management problems. In the last decade, metaheuristics have become increasingly popular for effectively confronting difficult combinatorial optimization problems. In the present work, an individual metaheuristic Ant Colony System (ACS) algorithm is introduced, implemented and discussed for the identification of optimal routes in the case Solid Waste collection. This algorithm is applied to a waste collection and transport system, obtaining recollection routes with the less total distance with respect to the actual route utilized and to the solution obtained by a previously developed approach.
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1. Introduction

Solid waste management is undoubtedly an increasingly important element in terms of efficiency and profitability for any municipality, particularly in industrialized nations. Its especially complex dimension is a result not only of the direct relationship with a number of factors that originate the living standard of a society, but also of our continuously rising consuming lifestyle which analogically enhances the existing operational difficulties.

Sustainable waste management is moving up to the concern over health and environmental impacts. Special emphasis, particularly in industrialized nations, is placed on concrete, comprehensive analysis of the waste management situation. To the extent possible, is necessary to highlight the areas in which an efficient improvement is feasible and how these goals derived from the objectives and principles of the waste management act can be achieved, while making available an appropriate basis of information (Figure 1 and Table 1).

Figure 1.

Life-cycle of waste generation

Table 1.
Global dimensions of solid waste problem
FactorObservation
PopulationBy 2050 the global population is projected to be 50% larger than today (i.e., 9 billion people), and 95% of that growth is expected to occur in developing countries.
ConsumptionConsumers in certain rapidly expanding non-OECD economies are emulating the ecologically challenging consumption patterns of consumers in OECD countries.
AffluenceSome of the highest GDP growth rates in the world is taking place in countries outside the developed world, such as China, India, Brazil, and Indonesia.
TechnologyThe World Bank reports that “massive levels” of industrial investment will occur in developing countries (Hanrahan 1995). In principle, “leap-frogging” the dirty technologies of the past may be possible because many developing countries have fewer sunken costs in older “eco-unfriendly“ technologies.
ImpactA five -fold increase in global waste generation is possible by 2025.

Source: OECD, 2000.

Some critical areas for solid waste collection are:

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