OPERATION ANALYZER FOR CONTROL ROD DRIVE DEVICE

OPERATION ANALYZER FOR CONTROL ROD DRIVE DEVICE

PROBLEM TO BE SOLVED: To accurately analyze the operating status of an electromagnetic drive jack type control rod drive device by providing a dip detection processor and an operation sound detection processor, etc. SOLUTION: A dip detection processor performing an inflection point processing includ...

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Hauptverfasser: TAKADA YOSHINORI, YATABE HIROSHI, TERAHARA HIROSHI, KURIMURA TSUTOMU
Format: Patent
Sprache:eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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creator TAKADA YOSHINORI
YATABE HIROSHI
TERAHARA HIROSHI
KURIMURA TSUTOMU
description PROBLEM TO BE SOLVED: To accurately analyze the operating status of an electromagnetic drive jack type control rod drive device by providing a dip detection processor and an operation sound detection processor, etc. SOLUTION: A dip detection processor performing an inflection point processing including a differential processing 33, an absolute value conversion 35, noise separation 37 and the like and an original wave processing against an original waveform 31 of current signal indicating the current value of electromagnetic coil, and an operation sound detection processor performing a waveform extraction processing and an operation sound detection processing against an output signal of an operation sound detector. By this, a latch operation point is clearly analyzed and detected by applying the inflection point processing including the differential processing to the coil current signal, even if the dip shape appearing in the electromagnetic coil current is a little unclear. Also, as wave form processing is applied to the output signal of the latch operation sound detector indicating the operation of the latch in a different manner and the output signal is processed in accordance with the waveform, the operation point is more accurately detected.
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subjects NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
title OPERATION ANALYZER FOR CONTROL ROD DRIVE DEVICE
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