Title:
回転機械の診断装置、診断方法及び診断プログラム
Document Type and Number:
Japanese Patent JP7453875
Kind Code:
B2
Abstract:
A diagnosis apparatus for a rotary machine includes: a feature acquisition part configured to acquire, from a current waveform of a current measured during rotation of a rotary machine including a motor or a generator, a plurality of features each representing a characteristic of the current; and an abnormality determination part configured to determine whether there is an abnormality in the rotary machine on the basis of a divergence between a distribution of each of the plurality of features or a multi-dimensional distribution of the plurality of features and a reference distribution of each of the plurality of features or a reference multi-dimensional distribution during normal operation of the rotary machine.
Inventors:
Knowledge Yohei
Hiroki Tateishi
Takashi Sonoda
Hiroki Tateishi
Takashi Sonoda
Application Number:
JP2020130180A
Publication Date:
March 21, 2024
Filing Date:
July 31, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
G01R31/34; G01M99/00
Domestic Patent References:
| JP20192785A | ||||
| JP2015227889A | ||||
| JP2005241089A |
Foreign References:
| WO2019049188A1 | ||||
| WO2018020545A1 | ||||
| US20160033580 |
Other References:
岸野 光佑 ほか,稼動電動機の確率的巻線短絡故障診断システムの提案,電気学会論文誌C,日本,一般社団法人電気学会,2012年12月01日,Vol.132 No.12,p.1913-1918
Attorney, Agent or Firm:
SSIP Patent Attorney Corporation