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The Science of Kanban
kscotland@rallydev.com             http://availagility.co.uk              twitter.com/kjscotlandKARLSCOTLAND
Scientific Management
StudyLearn                    Share            System    Sense            Limit
Complex                                Complicated                    • Retrospectively Coherent             • Potentially...
People
Clark & Wheelwright: Managing New Product and Process Development
100           80Percent           60           40           20                0                    1                      ...
Single Loop Learning               Strategies &Assumptions                                    Results               Techni...
Process
Queuing Capacity Utilisation         Lead Time = Queue Size / Processing RateQueue                         Utilisation
Flow = Speed x Density           Density              FlowVehicles                                      Vehiclesper       ...
DifferenceTemperature              Adjustment
Fast         FeedbackFaster              Smaller Flow               Queues          Lower           WIP
Economics
Discounted Cash                       Life Cycle Profits                                                                  ...
Cost                                        Standard               Expedite                          Time                 ...
Information                   Information Theory              0%       Probability of Failure   100%
IdeasLearn                  Build        Lean StartupData                   Code           Measure
Asymmetric Pay-offsGain  Payoff                                 PerformanceLoss                  Target
Risk Reduction                          Sequence EarlyValue of Risk Reduction                                             ...
PlanAct           Do      Check
ObserveAct             Orient      Decide
The GoldenCircle       What             How             Why                    http://www.startwithwhy.com/
Economics         LeanPeople      Process
Books• Kanban – David J. Anderson• The Principles of Product Development  Flow – Donald G. Reinertsen• Brain Rules – John ...
Thank you!     Email: kscotland@rallydev.com  Twitter: http://twitter.com/kjscotland      Blog: http://availagility.co.uk
The Science of Kanban
The Science of Kanban
The Science of Kanban
The Science of Kanban
The Science of Kanban
The Science of Kanban
The Science of Kanban
The Science of Kanban
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The Science of Kanban

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The Science of Kanban

  1. 1. The Science of Kanban
  2. 2. kscotland@rallydev.com http://availagility.co.uk twitter.com/kjscotlandKARLSCOTLAND
  3. 3. Scientific Management
  4. 4. StudyLearn Share System Sense Limit
  5. 5. Complex Complicated • Retrospectively Coherent • Potentially Knowable • Cause-Effect not repeatable • Cause-Effect separated in time • Probe → Sense → Respond & space • Sense → Analyse → RespondUnordered Domains Ordered Domains Disorder Chaos Simple • Incoherent • Known • Cause-Effect not perceivable • Cause-Effect • Act → Sense → Respond perceivable, predictable, repeata ble • Sense → Categorise → Respond http://www.cognitive-edge.com/
  6. 6. People
  7. 7. Clark & Wheelwright: Managing New Product and Process Development
  8. 8. 100 80Percent 60 40 20 0 1 2 3 4 5 Number of Simultaneous Projects Working Time Context Switching Time Gerald Weinberg, Quality Software Management: Systems Thinking
  9. 9. Single Loop Learning Strategies &Assumptions Results Techniques Double Loop Learning
  10. 10. Process
  11. 11. Queuing Capacity Utilisation Lead Time = Queue Size / Processing RateQueue Utilisation
  12. 12. Flow = Speed x Density Density FlowVehicles Vehiclesper perHour Mile Miles per Hour Speed Miles per Hour
  13. 13. DifferenceTemperature Adjustment
  14. 14. Fast FeedbackFaster Smaller Flow Queues Lower WIP
  15. 15. Economics
  16. 16. Discounted Cash Life Cycle Profits TimeMaximumCashInjectionNeeded Investment Period Payback Period Profit Period Self-funding Break-even Point Point
  17. 17. Cost Standard Expedite Time Cost of Delay Fixed Date Intangible
  18. 18. Information Information Theory 0% Probability of Failure 100%
  19. 19. IdeasLearn Build Lean StartupData Code Measure
  20. 20. Asymmetric Pay-offsGain Payoff PerformanceLoss Target
  21. 21. Risk Reduction Sequence EarlyValue of Risk Reduction Sequence Late Cost of Risk Reduction
  22. 22. PlanAct Do Check
  23. 23. ObserveAct Orient Decide
  24. 24. The GoldenCircle What How Why http://www.startwithwhy.com/
  25. 25. Economics LeanPeople Process
  26. 26. Books• Kanban – David J. Anderson• The Principles of Product Development Flow – Donald G. Reinertsen• Brain Rules – John Medina• Software by Numbers – Mark Denne & Jane Cleland-Huang
  27. 27. Thank you! Email: kscotland@rallydev.com Twitter: http://twitter.com/kjscotland Blog: http://availagility.co.uk

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