Failure management with data analysis

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Failure management with data analysis

• Miki Sirola
• Jukka Parviainen
• Golan Lampi
• Jaakko Talonen

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TVO Olkiluoto plant
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Control room
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SOM method

• Artificial neural networks algorithm
• Based on competitive learning
• Consists of neurons organized in an array
• Trained iteratively
• Best-Matching Unit
• Update rule

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Two dimensional SOM map
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Role of DSS and SOM analysis
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DERSI object structure
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Simulink process model
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Failure management scenario

• Admission valve suddenly closes
• Open bypass valve
• Open relief valve
• Initiate Auxiliary Feedwater System
• Prepare for shutdown

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DERSI MMI