160 likes | 399 Vues
Operational Research (O.R.) case studies. What’s the problem?. www.LearnAboutOR.com. You are a property developer…. You are renovating a house There are various tasks that this involves Which will each take a different time to complete. www.LearnAboutOR.com.
E N D
What’s the problem? www.LearnAboutOR.com
You are a property developer… You are renovating a house There are various tasks that this involves Which will each take a different time to complete www.LearnAboutOR.com
Some tasks have to be finished before others can begin You want to complete the renovation as quickly as possible www.LearnAboutOR.com
Is it possible to complete the project before your deadline? In what order should you do the activities to complete the project as early as possible? And how many workers will you need and how will you assign them activities? www.LearnAboutOR.com
What do we need to know? What needs to be done? And how long do those activities take to do? www.LearnAboutOR.com
Something like this… www.LearnAboutOR.com
We also need to know which activities depend on each other Then we are ready to consider how to manage the project www.LearnAboutOR.com
Let’s summarise the problem We need to plan a project involving several activities of different lengths Some of these activities depend on the completion of others www.LearnAboutOR.com
We want to plan the order of activities that will finish the project in the shortest possible time www.LearnAboutOR.com
This is an example of Critical Path Analysis www.LearnAboutOR.com
Other examples where this might be used Businesses, hospitals, schools (in fact anywhere where complex projects take place) www.LearnAboutOR.com
What next? Over the next few lessons, we will look at ways of approaching problems of this type… www.LearnAboutOR.com