In this project, you will create a dynamic systems model for inventory control in an automobile supply
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In this project, you will create a dynamic systems model for inventory control in an automobile supply chain.
Consider a supply chain consisting of 3 phases: A factory, a wholesaler, and a retailer. Customers place orders at the retailer. The retailer, in turn, orders cars from the wholesaler, and the wholesaler orders cars from the factory. There is a delay in each phase of the order.
In this project, you will create a dynamic systems model of the supply chain and compare different types of control models.
You should make the following assumptions about the system dynamics.
- Customer orders initially arrive at a rate of 5 per day, then change to a rate of 10 per day after30 days.
- There is a 5-day delay for the wholesaler to deliver a car to the retailer, once it is ordered.
- There is a 4-week delay for the factory to produce and deliver a car to the wholesaler, once it is ordered.
- The retailer, wholesaler, and factory each have a target inventory of 100 cars.
Your report should containthe following sections:
- Introduction and background
- Model description
- Give a block-diagram model (Simulink) of the system. In the block diagram, labeleach arc describing what the arc represents.
- Explain your model and diagram.What do different parts of the model represent?
- Make sure that your model is large enough to read (you may want to display differentparts of the model separately and explain each part).
- Discuss any assumptions made in your model.
- Analysis of model
- Plot the inventorylevels over time for the dealer, wholesaler, and factory.
- Compare results for two different kinds of control models (proportional, PD, PID, etc.) You may choosewhich two controlmodels you analyze.
- Conduct a sensitivity analysis to show how results change with different control gain values. Discusstradeoffs for different control gains (response times, presenceof oscillations, steady-state error).
- Conclusion. State your main findings, insights, and limitations of the work. What analysis would you recommend to a futureteam for continuing your work?
Related Book For
Operations Management An Integrated Approach
ISBN: 9781119497387
7th Edition
Authors: R. Dan Reid, Nada R. Sanders
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