The article describes selected aspects of simulation modeling of internal transport systems, with particular emphasis on automated transport systems. Examples of modeling selected elements of the transport system implemented in the DOSIMIS-3 simulation environment are presented.1. INTRODUCTION
Transport is one of the main components of all logistics systems and requires a series of activities such as planning, controlling, and managing both in its external and internal areas. Transport as a system constitutes a kind of connection between areas, e.g., production and storage or consumption zones, and integrates separated subsystems and ensures the exchange of goods. The activities of the transport system should form a single whole with other activities and processes of the enterprise, such as production, warehousing, storage, or order fulfillment.
In every production system, apart from the basic technological process, other extremely important processes are carried out – internal transport processes.
Due to the constantly increasing market requirements, enterprises are forced to continuously increase the competitiveness of their production. Short lead times as well as a large variety of orders require the use of increasingly flexible production systems. This flexibility, in addition to the proper design of workstations, is ensured by appropriate internal transport, responsible for moving processed products within the enterprise.
Therefore, the task of a correctly organized internal transport is to deliver specific types and quantities of materials, semi-finished products, or finished goods at the right time to the right places in the production system. Conversely, poorly organized internal transport contributes to a low degree of utilization of transport equipment working time and high transport costs, to inefficient use of technological workstations, as well as to the creation of unnecessarily high stocks in each storage location, and also to the extension of order fulfillment time and incomplete utilization of the enterprise’s production capacity. (…)
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Source: Logistics Magazine