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Title:
OPERATION GUIDANCE METHOD OF PLANT
Document Type and Number:
Japanese Patent JPS58172701
Kind Code:
A
Abstract:
PURPOSE:To perform operation securely in safety by selecting the best message among plural corresponding messages and giving a guidance if a fault occurs to a plant such as a nuclear power station, and then giving a guidance of the confirmation of operation effect after corresponding operation. CONSTITUTION:When the starting point node of tree retrieval is an activated node, a determination part 34 for a corresponding operation range traces a tree from the starting point node toward the lower part of the tree along activated nodes to extract corresponding operation information added to an activated node, etc. A retrieval part 35 for corresponding operation starts a logical decision on a logical and a bi-directional delay circuit at the starting point of tree retrieval to follow an activated or inactivated nodes for retrieval, extracting a node which are inactivated from an activated or inactivated state. An aggregating part 42 for information on analysis results aggregates information from each function block in the form of a message or graphic display and transfers the information as operation guidance information to a display data processing part 28.

Inventors:
TANJI JIYUNICHI
Application Number:
JP5388682A
Publication Date:
October 11, 1983
Filing Date:
April 02, 1982
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
G05B9/02; G05B23/02; G21D3/00; G21D3/04; (IPC1-7): G05B23/02; G21C17/00
Domestic Patent References:
JPS57709A1982-01-05
Attorney, Agent or Firm:
Tatsuyuki Unuma