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The RAPDtT Logistics Referential Model and First-Order Cybernetics
Logistics systems are a set of interconnected tasks and processes that manage the two-way flow of materials, goods, services, and information between origin and destination. Their description and analysis require effective management models and analytical tools to understand their operation, as well as the level of control and stability within these systems. The RAPDtT (Reception, (A) Storage, Processing, Dispatch, internal transport or material handling, and external Transport) referential model is presented as a model of basic operations. Its structure describes the logical and detailed sequence of operations through which the flow passes. Demonstrating that a referential model like RAPDtT fulfills the principles of first-order cybernetics ensures that the model meets the conditions of control and communication needed to provide observability, descriptibility, clarity in cause-and-effect responses, and stability. These are essential aspects for describing and managing any logistics system. From this perspective, demonstrating that RAPDtT complies with these conditions validates its capacity to become a robust reference framework for describing the dynamics of logistics flows within the tasks and processes of logistics systems.