Abstract
In this paper, the linear integer programming(LIP) was used to model two hubs location problem and network construction for a regional company of WAEMU zone . Taking account of passengers flow and the movements of planes recorded in the airports in the constraints, the model takes into account the rate of filling of the planes, one of the crucial factors for a company to maximize its profit. Minimizing the sum of the distances in the objective, the company makes savings on the fuel and minimizes its costs on aircrew which is remunerated by flight hours.
Highlights
The hubs location problem is to structure the network for optimal use
Two airports verify capacity constraints. Those are the airports of ABJ(Abidjan) and DKR(Dakar). Both airports are the two hubs 3.3 Results of the Second Stage For the second stage after checking constraints (10) and (11), airports are assigned to two hubs as shown in the following network: Figure 2: Example of a network with two hubs for the WAEMU zone PCD
The Hub of Dakar can be seen as the gateway into the WAEMU zone of the passengers from Europe, Asia, and America represented by PCD (Paris Charles Degaule) and Arabic Africa represented by Casa (Casablanca in Morocco)
Summary
The hubs location problem is to structure the network for optimal use. We have this problem in transportation air, land transportation, in telecommunications networks. Airline which has ambition to perpetuate and live well economically, should structure its network entirely around one or a few hub airports, called hubs. It is essential that this pivot is provided by one (or more) Airport(s) whose traffic flow is significant compared to other airports. In this paper we solve the two hubs location problem and the air network construction for one company of the WAEMU zone. WAEMU is composed of eight countries: Benin, Burkina Faso, Ivory Coast, Guinea Bissau, Mali, Niger, Senegal and Togo (figure 1)
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