Python实现基于排队理论的供应链流程设计（Python完整源码）

## Supply Chain Process Design using the Queueing Theory 🧑‍🤝‍🧑 *Apply several principles of the Queueing Theory with Python to design a parcel packing process for an e-commerce fulfilment centre* <p align="center"> <img align="center" src="https://miro.medium.com/max/1280/1*Xl06F_IZt-FVaB9nJP3qdA.png"> </p> Supply Chain can be defined as a network of processes and stock locations built to deliver services and goods to customers. This network usually supports the business strategy of your company; its objectives can be diverse such as deliver the best quality products, the lowest cost or the most customized service or product in the market. As a Supply Chain Engineer, your objective is to design the most efficient processes to ensure a good service level for your customers and profitability. ### Youtube Video Find in the link below a short animated explained video to understand the concept behind this solution <div align="center"> <a href="https://www.youtube.com/watch?v=COcoxQ8NhzM"><img src="https://github.com/samirsaci/queing-theory/blob/main/thumbnail.webp" alt="Explainer Video Link"></a> </div> ### Article In this [Article](https://www.samirsaci.com/supply-chain-process-design-using-the-queueing-theory/), we will will apply principles from the Queueing Theory with Python to design a process for parcel packing in an E-Commerce Fulfilment Centre. ### Scenario You are the Outbound Manager of a multinational clothing retail company known for its fast-fashion clothing for men, women, teenagers, and children. A major problem you’re facing is outbound productivity; after picking your orders are waiting for too long to be shipped. Based on on-site observations and productivity analysis you understood that the packing process was the bottleneck. #### 1. Warehouse Pickers bring the parcels on a trolley and put them on the conveyor <p align="center"> <img align="center" src="https://miro.medium.com/max/700/1*WYwCXoRYTm48idYEIDsSwQ.png" style="width: 50%; height: 50%"/> </p> #### 2. Packing Operator Take the parcels from the conveyor and performs quantity check and packing (put filling material, close the box) <p align="center"> <img align="center" src="https://miro.medium.com/max/700/1*WYwCXoRYTm48idYEIDsSwQ.png" style="width: 50%; height: 50%"/> </p> ### Objective You got the approval from your management for investing in a second packing station and you’re wondering how should you design the layout. #### Solution 1: keep a single line with two parallel stations <p align="center"> <img align="center" src="https://miro.medium.com/max/700/1*Yg0h2TH2v3mh-1eckO0dqg.png" style="width: 50%; height: 50%"/> </p> #### Solution 2: add a second line with a dedicated station <p align="center"> <img align="center" src="https://miro.medium.com/max/700/1*Y5DjsFFTae4L2NOzqhxGtg.png" style="width: 50%; height: 50%"/> </p> > What is the most efficient (Packing Productivity) solution? ## Code This repository code you will find all the code used to explain the concepts presented in the article. ## About me 🤓 Senior Supply Chain Engineer with an international experience working on Logistics and Transportation operations. \ Have a look at my portfolio: [Data Science for Supply Chain Portfolio](https://samirsaci.com) \ Data Science for Warehousing📦, Transportation 🚚 and Demand Forecasting 📈