Kanban? ΞδϟΠϧͷจ຺Ͱ Α͘ΈΔΧϯόϯ Kanban boards : We can see in Agile context. http:/ /www.infoq.com/articles/agile-kanban-boards http:/ /blog.crisp.se/2009/11/16/henrikkniberg/1258359420000 Kanban board ͱ͍͏ Β͍͠
Kanban? εΫϥϜͷλεΫϘʔ υͷ͜ͱΛ͔ΜΜͱ ͍͏ਓ͍Δ Task boards : We can see in Scrum team. Task board http:/ /www.infoq.com/jp/minibooks/scrum-xp-from-the-trenches ͱݺΕ͍ͯΔ
“Kan ban” = Signboards ൘ ͔ΜΜํࣜ Kanban system ݟ͑ΔԽ visualization λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊͷςʔϚ
“Kan ban” = Signboards ൘ ͔ΜΜํࣜ Kanban system ݟ͑ΔԽ visualization λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊͷςʔϚ
ࣗಈंଟ͘ͷ෦͔ΒͰ͖͍ͯΔɻ ෳͷͰɺࡐྉ͔Β෦͕ੜ࢈͞Εɺ ίϯϙʔωϯτʹͳΓɺΈ্͛ΒΕ͍ͯ͘ɻ Motorcars consist of many parts. Through many factories, materials are produced into parts, components, and finally assembled into a car.
͔͠ɺधཁมಈ͢Δɻ ΤϯυϢʔβʔ͕ΫϧϚΛߪೖ͢Δ͔ɺ ͲͷΫϧϚΛબͿ͔Θ͔Βͳ͍ɻ And also demands are changing. Anyone can not predict whether end-users buy or not, and which type of cars do they choose. ??
Factory A Factory B Inventory < N /ݸͷࡏݿΛൃථͷͰද͢ɻ "ฦૹ͞Ε͖ͯͨൃථͷ͚ͩೲೖ͢Δɻ ͜ͷൃථΛ͔ΜΜͱ͍͏ɻ Order sheets represents N:the number of inventory. Factory A can ship on the number of order sheets. These sheets called Kanban.
ंҰͷग़ՙλΠϛϯά ִؒ Λ ʮλΫτλΠϜʯͱ͍͏ɻ Քಇ࣌ؒ×ඞཁੜ࢈ྔ Takt Time : Time interval for build one product. Available production time ÷ Customer demand 6 6 2 2 2 4 Takt Time
λΫτλΠϜ χʔζ ʹରͯ͠ ֤Ϣχοτͷੜ࢈ϐονΛ ʮαΠΫϧλΠϜʯͱ͍͏ɻ Takt Time is based on estimated market needs. Cycle Time is actual production interval of each unit. 6 6 2 2 2 4 Cycle Time Takt Time
ରॲͱରԠ ରॲͱʹ͔͘ϥΠϯΛಈ͔͢Α͏ʹ͢Δ͜ͱ ରԠվΊͯࠜຊݪҼΛٴͯ͠վળ͢Δ͜ͱ ͱு࢜͞Μ͕େҰ͞Μʹࢦಋ͞ΕͨΤϐιʔυͱͯ͠ΠϯλϏϡʔͰ ݴ͍ͬͯͨͱهԱ͍ͯ͠ΔͷͰ͕͢هԱؒҧͬͯͨΒ͝ΊΜͳ͍͞ɻ Tai-sho : removing that impediment of flow Tai-ou : analyzing root cause and do Kaizen I believe this was from Fujio Cho-san’s interview, but the source was lost. I’m sorry, it could be wrong.
Kanban system Kanban system is a coordination system based on estimated market needs. ✓Number of order sheets (Kanban) = limitation of inventory size ✓Takt Time : interval of each product shipment ͔ΜΜํࣜɺϚʔέοτͷधཁ ༧ଌ ʹ جͮ͘ఔͷௐγεςϜɻ͔ΜΜͱλΫτλΠ ϜͰϓϩηεશମΛௐ͢Δɻ 㾎ൃථ ͔ΜΜ ͷ֤աఔͷࡏݿͷ্ݶɻ 㾎λΫτλΠϜҰͷग़ՙִؒɻ
“Kan ban” = Signboards ൘ ͔ΜΜํࣜ Kanban system ݟ͑ΔԽ visualization λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊͷςʔϚ
Mary Poppendieck Tom Poppendieck http:/ /www.poppendieck.com/people.htm Lean Software Development Kanban David J. Anderson http:/ /www.agilemanagement.net/
ιϑτΣΞ։ൃʹ͓͍ͯɺ ։ൃͷ֤ஈ֊ͷϑϩʔΛॻ͖ग़͢ɻ ϦϦʔεͯ͠ར༻ऀʹͬͯΒ͍ɺ ऩӹΛಘΔ·ͰࡏݿͰ͋Δɻ In software development, draw each step of activities for building software. Until users’ paying after release/ shipment, these are all inventory. Value Stream Mapping
WIP limit ͔ΜΜํࣜͰࡏݿΛ੍ݶͨ͠ͷͱಉ͡Α͏ʹ ֤ఔͰணखͯ͠Α͍λεΫͷΛ/ʹ੍ݶ͢Δɻ Similar to Kanban system, the number of tasks on each steps limits to N. 2 2 2 1 Work-in-progress
http:/ /blog.crisp.se/2009/06/26/henrikkniberg/1246053060000 One day in Kanban land by Henrik Kniberg 10"ͱ#͕ ࠷ॏཁͱஅ ·͔ͣͦ͜Β ணख͢Δɻ ։ൃऀ"ͱ#ʹ ͔Εͯணख 10࣍ʹ$ͱ%Λ બͿ
http:/ /blog.crisp.se/2009/06/26/henrikkniberg/1246053060000 One day in Kanban land by Henrik Kniberg $Λྃͤͨ͞ ։ൃऀ8*1 ϦϛοτͰ࡞ۀ ͕ࢭ·Δ #Λྃͤͨ͞ ։ൃऀ8*1Ϧϛο τͰ࡞ۀͰ͖ͳ͍ ͷͰσϓϩΠΛ ॿ͚ʹ͍͘ σϓϩΠোத
http:/ /blog.crisp.se/2009/06/26/henrikkniberg/1246053060000 One day in Kanban land by Henrik Kniberg ͞ΒʹσϓϩΠͷ ॿ͚ʹೖΔ͕ɺ ਓ͕Γ͍ͯΔͷͰ ίʔώʔΛӡͿɻ 108*1Ϧϛοτɻ ॿ͚ʹճΔɻ ͞Βʹίʔώʔɻ ղফޙ௨ৗʹɻ ։ൃͷ8*1Λʹ ૿ͯ͠ఔվળɻ
“Kan ban” = Signboards ൘ ͔ΜΜํࣜ Kanban system ݟ͑ΔԽ visualization λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊͷςʔϚ
Inspect & Adapt Product Process Sprint Demo/Review Product Backlog / Sprint Backlog Sprint Retrospective Sprint Planning Part II Sprint Planning Part I Daily Scrum Potentially Shippable Product Increment Impediments List
“Kan ban” = Signboards ൘ ͔ΜΜํࣜ Kanban system ݟ͑ΔԽ visualization λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊͷςʔϚ
Toyota Production System Lean Lean Software Development Kanban Lean Startup Agile Scrum XP The New New Product Development Game Four steps to the epiphany Agile and Lean Startup Patterns Manufacturing Industry in Japan
Toyota Production System Lean Lean Software Development Kanban Lean Startup Agile Scrum XP The New New Product Development Game Four steps to the epiphany Agile and Lean Startup Patterns Manufacturing Industry in Japan Production System ੜ࢈γεςϜ Product Development ։ൃ
γϡφΠμʔจԽϞσϧ See also http:/ /www.infoq.com/minibooks/agile-adoption-transformation Micheal Sahota : An Agile Adoption and Transformation Survival Guide
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