G - Physics – 06 – F
Patent
G - Physics
06
F
354/126
G06F 15/20 (1990.01)
Patent
CA 1297985
ABSTRACT OF THE DISCLOSURE The present invention relates to a plant fault diagnosing system for diagnosing the operating conditions of the plant, for example, change in the physical quantity or whether any fault is present in each of the instrumentations or not. This system makes reference and makes directly comparison the process data of the plant or a diagnosing pattern processed by treating the process data in a predetermined process with a predetermined information for detecting showing the symptom of an abnormality or a predetermined reference value. When any deviation from a predetermined allowable range or coincidence of the patterns is detected, it determines that there is any abnormality in the plant, and issues an alarm to, for example, an operator.
588435
Funakoshi Ryohei
Kaseda Shigeru
Niinomi Toshihiko
Takahashi Koichi
Borden Ladner Gervais Llp
Idemitsu Kosan Company Limited
Mitsubishi Jukogyo Kabushiki Kaisha
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