page_68 - valve) and level (like a vessel) is shown in...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
< previous  page page_68 next page > Page 68 Figure 4.2 An example of a signed digraph showing both +ve (positive) and -ve (negative) loops A level is a quantity that dynamically changes over time, and a rate is a flow which contributes to that change per unit of time. Imagine the dynamics of stock control, where the quantity of any single product in store changes over time according to manufacturing rate in and delivery rate out. A SD diagrammatic or symbolic representation of rate (like a
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: valve) and level (like a vessel) is shown in Figure 4.3. The stock control idea is shown in Figure 4.4 where manufacturing adds to and delivery subtracts from the stock level. Now, if this business is properly controlled, then delivery rate (which could represent demand rate) would positively feed back to manufacturing rate, as indicated in Figure 4.5. Here we see Figure 4.3 System dynamics diagrammatic representation of rates and levels < previous page page_68 next page >...
View Full Document

This note was uploaded on 04/21/2011 for the course MGT 03 taught by Professor Kasra during the Spring '11 term at Tanta University.

Page1 / 2

page_68 - valve) and level (like a vessel) is shown in...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online