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Confidence in mixed-mode circuit simulation

✍ Scribed by A.D. Brown; M. Zwolinski; K.G. Nichols; T.J. Kazmierski

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
333 KB
Volume
24
Category
Article
ISSN
0010-4485

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✦ Synopsis

Mixed-mode simulation is a compromise between an accurate and expensive modelling technique (that solves circuit equations), and a less accurate, but cheaper, technique (that manipulates a finite algebra). The combination of these modelling regimes requires a mapping between two "state vectors' that is neither unique nor context-independent.

To address this, a duple, {state, confidence}, is associated with each node at each timepoint. Confidence is a set of flags that is used to indicate that the simulator has made a decision with which the user may be unhappy. Graphical postprocessing allows the user to scan for combinations of flaos. This creates a 'flag-browsing' capability that allows rapid access to areas of uncertainty in the time histories. simulation techniques, mixed analogue-digital systems volume 24 number

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