Measuring and testing – Testing of apparatus
Patent
1996-08-05
1998-10-06
Raevis, Robert
Measuring and testing
Testing of apparatus
G21C 736
Patent
active
058179585
ABSTRACT:
Plant operating conditions 1, apparatus operating conditions 2 and environment conditions 3 are accumulated, combined and put together as a set of plant status variables 8 through a monitor 6, while water chemistry information 4 is accumulated as another set of plant status variables 9. The set of status variables 8 is updated and the past data are accumulated in the set of status variables 9. Periodical inspection data 5 are also accumulated in the set of status variables 9 along with the water chemistry information 4. The set 9 is compressed and stored as a plant chart 11 such as a personal clinical chart. A status variable prediction 12 is performed in consideration of the personality of a plant. Both data of the sets 8 and 10 are compared with each other by comparison means 13. If both the data nearly coincide with each other, the plant is diagnosed to the normal and, if not, it is diagnosed to be abnormal. When the plant is diagnosed to abnormal, an abnormal apparatus and an abnormal factor are identified.
REFERENCES:
patent: 5159563 (1992-10-01), Miller et al.
patent: 5311562 (1994-05-01), Palusamy et al.
Fujimori Haruo
Fukuzaki Takaharu
Takahashi Fuminobu
Uchida Shunsuke
Yamada Izumi
Hitachi , Ltd.
Raevis Robert
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