Unformatted text preview: shier is idle and not doing any
What are the managerial implications? Can utilization rate be greater than 1? 13 Example: Utilization Rate
Material Cook 15
20 Assemble Deliver 15
22.2 Patties cook in 60 seconds; the stove holds 20 patties. 10 workers; each assembly takes 27 seconds. 15 customers arrive every minute. What are the utilization rates?
14 Utilization Rate & Bottleneck
Material Cook Assemble 75% Deliver 67% Which one is the bottleneck? Bottleneck has the highest utilization rate.
15 Flow Time Flow time is the average time a unit stays in the
system. Different units may spend different amount time. Flow time is also called throughput time. 16 Flow Time Average time a customer spends in a bank
Customer arrives Processing Service begins Service ends Flow Time Average time a book stays at the Amazon.com warehouse
Book arrives Stored Order arrives Picked Flow Time How do we measure Flow Time? Packaged Shipped Measuring Flow Time
How long it takes to turn patties into burgers?
1:27 1:54 2:27 2:54 3:27 3:54
First 20 10 Second 20
1:00 10 10 10 10 Third 20
18 Measuring Flow Time
Material Cook Assemble Deliver Cooked
View Full Document
This note was uploaded on 02/04/2014 for the course BUAD 311 taught by Professor Vaitsos during the Spring '07 term at USC.
- Spring '07