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| Criterion |  Operations Bottleneck Analysis |  Operations DMAIC |  Operations Failure Mode and Effects Analysis |  Operations Theory of Constraints |
|---|---|---|---|---|
Purposedifferent | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 1-3 h | 2-12 Wochen | 2-6 h | 2-4 h Analyse, laufend |
Participantsdifferent | 3-8 | 3-10 | 3-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Project Charter, Measurement Plan, Cause Analysis, Control Plan | FMEA Table, Risk Priority, Mitigation Actions | Constraint Map, Improvement Plan, Flow Metrics |
Tagsno overlap | FlowMeasurementConstraints | Continuous improvementQualityProcess improvement | RiskQualityOperationsRoot cause | OperationsConstraintsFlowImprovement |