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Nowadays, cargo bikes are seeing an ever-greater role in city logistics with an increasing number of deliveries, and it is essential to examine their future role in green and smart cities. In our work, we examine the application of cargo bikes in the city logistics system of the urban concentrated sets of delivery locations, focusing first on shopping malls, with the investigation of the geometrical structure of the logistics network. In the examined concept, the use of cargo bikes will be combined with electric trucks to make possible green deliveries of urban concentrated sets of delivery locations. In this paper, we present the experiences of the existing systems and the related research, the simulation model of the examined new concept with cargo bikes and its results, the graph theory-based geometric model of the examined city logistics system with graph theory-based notation, and the application of the new approach for Budapest. The main output of this research is the geometrical model of the urban concentrated sets of delivery locations and its application. Based on this geometrical model, it will be possible to decide about the suitability of the examined cargo bike-based city logistics concepts for given cities.

A közeljövő közlekedésszervezésének egyik alapvető kérdése, miként lehet a pilóta nélküli légi járműveket a már meglévő közlekedési ökoszisztémába hatékonyan, de mindenekelőtt a lehető legbiztonságosabban integrálni. A dróniparág gyors fejlődésével értelemszerűen merült fel annak lehetősége, hogy ezeket az eszközöket a városi áruszállításban is alkalmazzák.

In this paper, we will present the examination of the city logistics system of shopping malls in Budapest. We will introduce the mathematical model of its cost structure which can help us to evaluate this complex system from a financial point of view. The data, we collected earlier, made it possible to simulate the physical processes of the current logistics system and to compare them with innovative new systems as well. However, in case of any new systems it is essential to compare the costs too. The mathematical modelling was based on the observed processes of three shopping malls in Budapest. We added this cost structure to the simulation model to make the simulation of costs possible, so now we have a tool which can help us comprehensively examine the current logistic system of the shopping malls in Budapest as well as a consolidation based proposed solution.