Incorporating ''fuzzy'' data and logical relations in the design of expert systems for nuclear reactors
Conference
·
OSTI ID:5983568
This paper applies the method of assigning probability in Dempster-Shafer Theory (DST) to the components of rule-based expert systems used in the control of nuclear reactors. Probabilities are assigned to premises, consequences, and rules themselves. This paper considers how uncertainty can propagate through a system of Boolean equations, such as fault trees or expert systems. The probability masses assigned to primary initiating events in the expert system can be derived from observing a nuclear reactor in operation or based on engineering knowledge of the reactor parts. Use of DST mass assignments offers greater flexibility to the construction of expert systems.
- Research Organization:
- Oak Ridge National Lab., TN (USA); Oak Ridge Associated Universities, Inc., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5983568
- Report Number(s):
- CONF-870832-3; ON: DE87014410
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220400* -- Nuclear Reactor Technology-- Control Systems
99 GENERAL AND MISCELLANEOUS
990210 -- Supercomputers-- (1987-1989)
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
DECISION TREE ANALYSIS
DISTRIBUTION FUNCTIONS
EXPERT SYSTEMS
FAULT TREE ANALYSIS
FUNCTIONS
KNOWLEDGE BASE
MATHEMATICAL LOGIC
MATHEMATICS
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
POWER PLANTS
PROBABILITY
SET THEORY
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
THERMAL POWER PLANTS
220400* -- Nuclear Reactor Technology-- Control Systems
99 GENERAL AND MISCELLANEOUS
990210 -- Supercomputers-- (1987-1989)
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
DECISION TREE ANALYSIS
DISTRIBUTION FUNCTIONS
EXPERT SYSTEMS
FAULT TREE ANALYSIS
FUNCTIONS
KNOWLEDGE BASE
MATHEMATICAL LOGIC
MATHEMATICS
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
POWER PLANTS
PROBABILITY
SET THEORY
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
THERMAL POWER PLANTS