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Title: Nuclear power applications of NASA control and diagnostics technology

Technical Report ·
OSTI ID:7147077
 [1]
  1. Technology Applications, Inc., Jacksonville, FL (USA)

The main objective of Research Project RP2902-1, Nuclear Applications of NASA Control and Diagnostics Technology, were the assessment of NASA's KATE technology, development of a generic software tool suitable for use by the utility industry, and the building of a demonstration application in the power utility domain. Accordingly, the KATE technology was studied, evaluated and the essential features selected for reimplementation in a generic, user-friendly tool called ProSys.'' ProSys represents a growing interest in the use of computer systems to represent the causes for their undesired behavior. Recent attempts have concentrated on representing such knowledge and drawing inferences using a generic, model-based approach. Thus ProSys is a model-based diagnostic program that runs on a microcomputer. It is built on basic principles of troubleshooting, such as cause and effect, and not on experiential heuristics. Models built using ProSys store a knowledge of the structure and function of the system that is being diagnosed. ProSys uses this knowledge to draw inferences about the current state of the system. ProSys is also knowledgeable about the command inputs (operator actions) to the system and the effect that these have on the sensors. Thus, ProSys expects certain values from the sensors and when those are different, it works backwards to hypothesize the failure of system components. This document, Volume 2, provides a technical discussion of the system. 17 figs.

Research Organization:
Electric Power Research Inst., Palo Alto, CA (USA); Technology Applications, Inc., Jacksonville, FL (USA)
Sponsoring Organization:
EPRI
OSTI ID:
7147077
Report Number(s):
EPRI-NP-6839-Vol.2; CNN: NAG10-0036; TRN: 90-016024
Country of Publication:
United States
Language:
English