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OMSC（Ch 6-11） - Coggle Diagram
OMSC（Ch 6-11）
LEAN SYSTEM
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Lean outcomes
Lower WIP, shorter lead time, more stable flow
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QUALITY SYSTEM
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Quality outcomes
Less variation, less rework, better reliability
Guiding Ideas
Goal: deliver value (cost, quality, speed, flexibility)
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Use data: measure, diagnose, improve
Continuous improvement: small changes, repeated
FLOW & PROCESS
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Bottleneck focus
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Symptoms: long queue before it, high utilization
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PLANNING SYSTEM
Forecasting
Patterns: trend, seasonality, randomness
Methods: moving average, exponential smoothing, causal
Accuracy checks: MAD, MAPE, bias
Capacity planning
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Key decisions: size, timing, location, technology
Options: overtime, temps, outsourcing, inventory buffer, postponement
Trade-offs: utilization vs waiting, cost vs service level