Student version Ch2 section2 - PDF

# Student version Ch2 section2 - PDF - MGMT 361 Operations...

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1 MGMT 361 Operations Management (OM) Ch II: Process Analysis - II Based on: Ch. 5 from Chase, Jacobs, Aquilano

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2 Dimensional Analysis: Quantity [Q], Time [ T ] and Cost [\$] Capacity, output rate, input rate: [Q/T] Cycle time: [T/Q], WIP [Q] Throughput Time - TPT : [ T ] Gantt charts display tasks (activities) that have a defined starting and ending time on a resource . M1 M2 M3 Buffer 6 10 14 18 22 26 30 34 38 42 5 4 4 5 6 6 6 2 1 1 2 3 3 3 8 7 7 8 9 9 9 Alternate terminology Operations tasks, activities. Transactions ( jobs ) materials, work orders, customers, patients, products, projects, cash, claims forms. Output rate flow rate (FR) , production rate, throughput rate TPT flow time (FT) , manufacturing lead time (MLT) Stage station Idle time ignored in WIP calculations
3 Parameter relationships When a process becomes stable, there is a relationship between process parameters – Little’s formula . WIP = Flow time * Flow rate = FT * FR [ Q ] = [ T ] * [ Q / T ] WIP = Flow Time / Cycle Time = FT / CT = TPT / CT [ Q ] = [ T ] / [ T / Q ] Inventory = Throughput rate * Flow time Quantity [Q] Time [ T ] Cost [\$] Capacity, output rate, input rate: [Q/T] Cycle time: [T/Q] WIP [Q] Throughput Time - TPT : [ T ]

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4 Part (b): Schedule a new job every 5 minutes starting at 0.
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Student version Ch2 section2 - PDF - MGMT 361 Operations...

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