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Self-organizing maps for virtual sensors, fault detection and fault isolation in diesel engines
Linköping University, Department of Electrical Engineering.
Linköping University, Department of Electrical Engineering.
2005 (English)Independent thesis Basic level (professional degree)Student thesis
Abstract [en]

This master thesis report discusses the use of self-organizing maps in a diesel engine management system. Self-organizing maps are one type of artificial neural networks that are good at visualizing data and solving classification problems. The system studied is the Vindax(R) development system from Axeon Ltd. By rewriting the problem formulation also function estimation and conditioning problems can be solved apart from classification problems.

In this report a feasibility study of the Vindax(R) development system is performed and for implementation the inlet air system is diagnosed and the engine torque is estimated. The results indicate that self-organizing maps can be used in future diagnosis functions as well as virtual sensors when physical models are hard to accomplish.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2005.
Keyword [en]
Reglerteknik, self-organizing maps, neural network, virtual sensor, diesel engine, fault detection, fault isolation, automotive, development system
Keyword [sv]
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-2757ISRN: LITH-ISY-EX--05/3634--SEOAI: diva2:20098
Available from: 2005-03-09 Created: 2005-03-09

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