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1999
Conference Paper
Titel
The increase of the index of network equations due to fault injection
Abstract
This paper demonstrates the possibility of occurring numerical problems in analogue fault simulation due to a fault-injection-caused increase of the DAE-index. Based on analytical results and fault simulation experiments with two electrical networks it is described that a network showing no numerical problems during its fault-free simulations may increase its index as a result of the injection of a fault. The higher index causes numerical problems during the simulation. Some suggestions to tackle such index problems will be discussed.
Language
English