Model-based diagnosis of an automotive engine using several types of fault models
Automotive engines is an important application for model-based
diagnosis because of legislative regulations. A diagnosis system for
the air-intake system of a turbo-charged engine is constructed. The
design is made in a systematic way and follows a framework of
hypothesis testing. Different types of sensor faults and leakages
are considered. It is shown how many different types of
fault models, e.g. additive and multiplicative faults, can be used
within one common diagnosis system, and using the same underlying
design principle. The diagnosis system is experimentally validated
on a real engine using industry-standard dynamic test-cycles.
Mattias Nyberg
IEEE Transaction on Control Systems Technology,
2002
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