Abstract
A knowledge-based system, implemented using demons and rules, has been created for assisting pulse program designers in developing nuclear magnetic resonance (NMR) imaging experiments. Scanners operate on the basis of signals produced by four separate electromagnetic coils with many constraints on which signal combinations can produce useful images. The pulse programming assistant (PUPA) understands these constraints and provides assistance to a user in constructing pulse programs. PUPA describes magnetic pulses, pulse sequences, and abstract connections between pulses and pulse sequences by use of slot-filler structures. If individual slots are filled or read, or new instances of various structures are created, demons 'hooked' to these slots (or structures) are fired which run small rule bases to determine appropriate actions. PUPA understands a small set of standard pulse types and allowable interactions between pulses. Pulse programs are depicted on a graphics screen.
| Original language | English |
|---|---|
| Pages | 811-816 |
| Number of pages | 6 |
| Publication status | Published - 1986 |
| Externally published | Yes |