Production planning Archives

Factory simulation: It’s all in the preparation

My background is in process improvement, and I started modelling factory simulations over ten years ago. I first used modelling to help evaluate and justify improvement projects and then used it to help validate scale-up plans. As a factory simulation […]

PFEP database for improved traceability

In this article I will discuss the role that traceability plays in logistics optimization. I will introduce the characteristics and usefulness of Plan For Every Part (PFEP database). Lastly, I will analyze the relationship between lean operations management, traceability, logistics, […]

Simulation-based capacity planning

In this article I summarize a strategic simulation-based capacity planning project that I executed years ago. I present one of my earliest material flow simulation projects that resulted in 7% CAPEX reduction, $1.7m reduced investment need and 21% faster lead […]

Receival inspection simulation with simmer

In a previous blog post I documented simmer in R for discrete-event simulation. In this post I want to provide a more hands-on practical example. It is a very simple example, to be honest. Regardless of this, and regardless of […]

Flow shop scheduling with PuLP in Python

In previous articles, I modeled and solved a single machine scheduling problem. What if we have two resources that operate in a pre-determined sequence (but not in parallel) to process a set of similar jobs? The so-called “flow shop” scheduling […]

Integer programming with CPLEX & DOCPLEX

Thanks to the evolution of Python and its applications to solve linear programs and their variations supply chain and operations research analysts now have access to numerous packages and tools that support decision making. In this article I will use […]

ProModel AutoCAD simulation edition

This is a very high level post, really a marketing post, to inform you about a brand new discrete-event simulation capability within the AutoCAD environment. The capability comes in the form of an AutoCAD Plug-in called ProModel AutoCAD Edition, developed […]

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Production planning

Factory simulation: It’s all in the preparation

PFEP database for improved traceability

Simulation-based capacity planning

Receival inspection simulation with simmer

Flow shop scheduling with PuLP in Python

Integer programming with CPLEX & DOCPLEX

ProModel AutoCAD simulation edition

Intro to production versions in SAP PP

Components & operations in SAP PP routing

Sequence in SAP PP routings

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