Abstract
A multi-agent approach has been developed to find the optimal distribution of freight traffic on the considered railway loop for multimodal transportation carried out within the framework of an oligopolistic market. At the first stage of research, the method of economic-geographical delimitation of the «influence areas» of loading stations, developed earlier by the authors, is applied. The obtained territorial picture of the rational distribution of traffic flows is used further when introducing restrictions in a multi-criteria optimization problem, which is solved as an integer programming problem in the environment of the system of analytical calculations. As a result, on the basis of an assessment of the transport and technological infrastructure of the loop and the cost of transport services, a mathematical model is built that allows to optimize the process of freight transportation.
Highlights
1.1 Literature reviewThe issues of studying the efficiency of multimodal cargo transportation, including transshipment in seaports, have been the subject of many recent studies
The choice of the optimal cost scheme is proposed to be determined using a logistic approach based on the cybernetic «white box» model, taking into account the input parameters necessary for the shipper
In [4], a mathematical model for the delivery of bulk cargo was developed on the basis of a systematic approach and principles of logistics, taking into account the interaction of manufacturers, transport companies and consumers
Summary
1.1 Literature reviewThe issues of studying the efficiency of multimodal cargo transportation, including transshipment in seaports, have been the subject of many recent studies (see, for example, [1–10]). In [3], to reduce the cost of transportation, it is proposed to solve the transport problem using the simplex method. In this case, the parameters of supply and demand are stochastic, and the cost of transportation is variable. In [4], a mathematical model for the delivery of bulk cargo was developed on the basis of a systematic approach and principles of logistics, taking into account the interaction of manufacturers, transport companies and consumers. The model allows solving a wide range of problems facing both manufacturers (for example, when planning the supply chain on their own) and before the carrier, related to planning and managing the operation of transport infrastructure elements. The model takes into account the variability of the technical parameters of the rolling stock, loading and unloading mechanisms, time and quantity parameters of freight traffic
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