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Karl scotland science of kanban

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  • 1. The Science of Kanban - LKBE11 04 Oct 2011 The Science of Kanban kscotland@rallydev.com http://availagility.co.uk twitter.com/kjscotland KARL SCOTLANDRally Software 1
  • 2. The Science of Kanban - LKBE11 04 Oct 2011 Scientific Management Study Learn Share System Sense LimitRally Software 2
  • 3. The Science of Kanban - LKBE11 04 Oct 2011 Complex Complicated • Retrospectively Coherent • Potentially Knowable • Cause-Effect not repeatable • Cause-Effect separated in time • Probe → Sense → Respond & space • Sense → Analyse → Respond Unordered Domains Ordered Domains Disorder Chaos Simple • Incoherent • Known • Cause-Effect not perceivable • Cause-Effect perceivable, • Act → Sense → Respond predictable, repeatable • Sense → Categorise → Respond http://www.cognitive-edge.com/Rally Software 3
  • 4. The Science of Kanban - LKBE11 04 Oct 2011 PeopleRally Software 4
  • 5. The Science of Kanban - LKBE11 04 Oct 2011 Clark & Wheelwright: Managing New Product and Process Development 100 80 Percent 60 40 20 0 1 2 3 4 5 Number of Simultaneous Projects Working Time Context Switching Time Gerald Weinberg, Quality Software Management: Systems ThinkingRally Software 5
  • 6. The Science of Kanban - LKBE11 04 Oct 2011 Single Loop Learning Strategies & Assumptions Results Techniques Double Loop LearningRally Software 6
  • 7. The Science of Kanban - LKBE11 04 Oct 2011 ProcessRally Software 7
  • 8. The Science of Kanban - LKBE11 04 Oct 2011 Queuing Capacity Utilisation Lead Time = Queue Size / Processing Rate Queue Utilisation Flow = Speed x Density Density Flow Vehicles Vehicles per per Hour Mile Miles per Hour Speed Miles per HourRally Software 8
  • 9. The Science of Kanban - LKBE11 04 Oct 2011 Difference Temperature AdjustmentRally Software 9
  • 10. The Science of Kanban - LKBE11 04 Oct 2011 Economics Life Cycle Profits Discounted Cash Time Maximum Cash Injection Needed Investment Period Payback Period Profit Period Self-funding Break-even Point PointRally Software 10
  • 11. The Science of Kanban - LKBE11 04 Oct 2011 Cost Standard Expedite Time Cost of Delay Fixed Date Intangible Information Theory Information 0% Probability of Failure 100%Rally Software 11
  • 12. The Science of Kanban - LKBE11 04 Oct 2011 Ideas Learn Build Data Code Measure Risk Reduction Sequence Early Value of Risk Reduction Sequence Late Cost of Risk ReductionRally Software 12
  • 13. The Science of Kanban - LKBE11 04 Oct 2011Rally Software 13
  • 14. The Science of Kanban - LKBE11 04 Oct 2011 Plan Act Do Check Observe Act Orient DecideRally Software 14
  • 15. The Science of Kanban - LKBE11 04 Oct 2011 The Golden Circle What How Why http://www.startwithwhy.com/Rally Software 15
  • 16. The Science of Kanban - LKBE11 04 Oct 2011 Economics Lean People Process 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-HuangRally Software 16
  • 17. The Science of Kanban - LKBE11 04 Oct 2011 Thank you! Email: kscotland@rallydev.com Twitter: http://twitter.com/kjscotland Blog: http://availagility.co.ukRally Software 17