Title:
STATE MONITORING DEVICE AND DEVICE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/220751
Kind Code:
A1
Abstract:
The present invention provides a state monitoring device capable of estimating the state of a device system, the modeling of which is difficult, and also provides a device system provided with the state monitoring device. The state monitoring device of a device system equipped with a device driven by a motor 2 controlled by a motor control means 4 is provided with: a motor control internal value creation means 6 for creating a motor control internal value that is a state variable of the motor control means 4; and a state estimation means 5 for estimating the state of the device system on the basis of the motor control internal value created by the motor control internal value creation means 6.
Inventors:
NAKAMURA AKIHIRO (JP)
SUMITA SATOSHI (JP)
IWAJI YOSHITAKA (JP)
KANEKO SATORU (JP)
NAGATA KOUICHIROU (JP)
SUMITA SATOSHI (JP)
IWAJI YOSHITAKA (JP)
KANEKO SATORU (JP)
NAGATA KOUICHIROU (JP)
Application Number:
PCT/JP2017/020280
Publication Date:
December 06, 2018
Filing Date:
May 31, 2017
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H02P29/00; G01M99/00; G05B23/02
Domestic Patent References:
| WO2016147360A1 | 2016-09-22 |
Foreign References:
| JPH096432A | 1997-01-10 | |||
| JP2014048929A | 2014-03-17 | |||
| JP2007265361A | 2007-10-11 | |||
| JP2008116317A | 2008-05-22 | |||
| JP2004260891A | 2004-09-16 |
Other References:
See also references of EP 3633851A4
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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