振動検出装置、回転機械、振動検出方法及びプログラム

Japanese Patent JP6468511

B2

PROBLEM TO BE SOLVED: To provide a vibration detection device, a rotary machine, a vibration detection method and a program capable of accurately grasping the state of a vibration that occurs to a rotor blade.SOLUTION: A vibration detection device 5 comprises: a tip detection signal input unit 50 receiving input of detection signals from a plurality of tip sensors S1 each detecting passing of a detection point on an outer edge of an apical surface of a rotor blade; an observed vibration waveform acquisition unit 51 acquiring an observed vibration waveform in response to a vibration of the rotor blade on the basis of the detection signals from the tip sensors S1; an inclination acquisition unit 52 acquiring a degree of inclination of the outer edge of the apical surface at the detection point; an amplitude ratio acquisition unit 53 acquiring an amplitude ratio that is a ratio of the amplitude of the rotor blade in the rotation axis direction to the amplitude thereof in the circumferential direction; and an actual vibration waveform acquisition unit 54 acquiring an actual vibration waveform on the basis of the degree of inclination acquired by the inclination acquisition unit 52, the amplitude ratio acquired by the amplitude ratio acquisition unit 53, and the observed vibration waveform acquired by the observed vibration waveform acquisition unit 51.SELECTED DRAWING: Figure 5

Ichiishi Mori
Koji Oyama

JP2014226362A

February 13, 2019

November 06, 2014

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Mitsubishi Hitachi Power Systems Co., Ltd.

G01H17/00; F01D25/00; F02C7/00; F04D27/00; G01M99/00

JP5164602A
JP63231229A

US20110231171
US4934192

Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Taichi Hasegawa
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki

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