Sketch Plan and Actuals for .. Project Staffing Time 16
16 Sketch Plan and Actuals for ... Time Project Staffing
Sketch Plan and Actuals for .. Fraction 1 Complete .5 Time 17
17 Sketch Plan and Actuals for ... Fraction Complete Time .5 1
Trouble-free Projects Behave as Planned: Design Labor (Equivalent People) Design Progress(Percent Complete) 100. Simulated 一Data 100. Simulated 75. 75. 50. 50. Disguised results from an actual Disguised results software project from an actual 25. 25. software project 0 0. Year1 Year2 Year3 Year 4 Year5 Year6 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 TIME TIME
Trouble-free Projects Behave as Planned: Design Labor (Equivalent People) Simulated Data 100. 75. 50. 25. 0. TIME 91 92 93 94 95 96 Disguised results from an actual software project Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Design Progress (Percent Complete) Simulated 100. 75. 50. 25. 0. TIME Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Disguised results from an actual software project
Typical Project“Disasters”-A Dynamic View Semiconductor development Aircraft development--nearly double initial estimate (see following slide) New Car Development--original plan,400 person-years of effort;final cost,800 person-years (see following slide) 19
19 Typical Project “Disasters” – A Dynamic View Semiconductor development Aircraft development -- nearly double initial estimate (see following slide) New Car Development -- original plan, 400 person-years of effort; final cost, 800 person-years (see following slide)
Semiconductor design example SE MICONDUCTOR DESIGN Planned Actual Project Progress Test Fab Process 10 9 Test Prototype Prototype Aosombly First plan not 7 WtSo道 achieved Actual Wafer件aD 6 Week 0 Plan Masks 5 Week 33 Plan Tapeout 。Week54Plan 3 Layout 4 Week 66 Plan 2 0 HH++H++HH+HHHt 品贰品g WEEK<S 10 Source:John Sterman,MIT 15.874 Class 20
20 Semiconductor design example First plan not achieved Source: John Sterman, MIT 15.874 Class