Statistical Process Control
Understanding and responding to process variation for industrial and energy professionals: common-cause vs special-cause variation, control charts, control vs specification limits, reacting to signals without tampering, and process capability.
Los cuatro niveles
Cada nivel se basa en el anterior.
- 1Sensibilización
- 2Conocimiento
- 3Habilidad
- 4Dominio
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Los cursos de esta competencia están en camino. Mientras tanto, consulte el catálogo de cursos.
Qué aprenderá
- Explain the difference between common-cause and special-cause variation, and why confusing the two makes a process worse
- Describe how a control chart works: centre line, control limits, and plotting data in time order
- Distinguish control limits (the voice of the process) from specification limits (the voice of the customer)
- Recognise out-of-control signals such as points beyond the limits, runs and trends, and react appropriately
- Avoid tampering and over-adjustment when a process shows only common-cause variation
- Interpret process capability qualitatively, using Cp and Cpk as measures of how well the process fits within specification
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