Title:
異常監視装置、異常監視方法及び制御装置
Document Type and Number:
Japanese Patent JP6856585
Kind Code:
B2
Abstract:
To provide an abnormality monitoring device capable of reducing the size of a mounted device, enabling high-speed response, and achieving high accuracy in detecting abnormality. The abnormality monitoring device includes: at least one filter that extracts state information pertaining to drive of a mechanism of an industrial machine using a motor, as a signal of at least one frequency band; an integrator that integrates an output of the filter in each frequency band; and an abnormality detection unit that detects abnormality based on an integrated value integrated by the integrator. The state information may be control information of the controller that controls the motor or detection information from at least one detector attached to the mechanism.
Inventors:
Keitaro Inagaki
Kazunori Iijima
Kazuhiro Sato
Kazunori Iijima
Kazuhiro Sato
Application Number:
JP2018146804A
Publication Date:
April 07, 2021
Filing Date:
August 03, 2018
Export Citation:
Assignee:
FANUC Corporation
International Classes:
H02P29/00; B23Q17/00; G05B23/02
Domestic Patent References:
| JP4372341A | ||||
| JP2018094686A | ||||
| JP2016158315A | ||||
| JP5312690A | ||||
| JP2018088179A |
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hiroaki Hoshino
Tetsuo Shiba
Hiroaki Hoshino