Planering av mejeriproduktion med diskret händelsesimulering
Sammanfattning: A producer of dairy products intends to improve planning work by utilizing a simulation model. Dairy production has specific requirements that consequently means that planning is a complex task because of factors such as changeovers of production which limits production flexibility. The purpose of the thesis is thus to create a discrete event simulation for dairy production and to document the specific circumstances and approaches that the simulation project includes to support the producer's development of the planning work. To achieve the purpose, two questions have been formulated that aim to answer for the theoretical work as well as the practical work in establishing a simulation model. The project utilizes a conceptual model and follows a twelve-step model for work sequence. Theory intends to form the basis for answering questions and covers methodological approaches, discrete event simulation, programming methods based on continuous and discrete data and the meaning of stops and changeovers in production. The steps in the methodological approach are limited to problem formulation, setting a project plan and goals using the conceptual model, model building, data collection, coding, verification and validation. The work resulted in a theoretical methodological approach, a conceptual model and a partly verified simulation model for planning based on discrete event simulation.
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