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Patent Searching and Data


Title:
SAFETY CONTROL DEVICE AND SAFETY RULE ADJUSTMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2022/158081
Kind Code:
A1
Abstract:
The present invention addresses the problem of ensuring safety and work efficiency for the actions of a control target in differing control systems, i.e., in an environment in which different types of systems coexist. Provided is a safety control server 5 for controlling the actions of respective control targets in differing types of systems existing under a plurality of control systems, said safety control server comprising: an action adjustment unit 5330 that, for each control target of differing control systems, outputs to that control target an action adjustment instruction for adjusting the action of that control target when a contention occurs in which the action of that control target deviates from an assumed control result; an action plan adjustment unit 5320 that, when the adjustment of the action satisfies a prescribed condition, adjusts an actions plan indicating an action rule for achieving a function and avoiding a contention in a control target stored in advance; and a safety rule adjustment unit 5310 that, when the adjustment of the actions plan satisfies a prescribed condition, adjusts a safety rule indicating an action rule for avoiding a contention in the control target stored in advance.

Inventors:
KANEKAWA NOBUYASU (JP)
TAKAHASHI JUNYA (JP)
OTSUKA SATOSHI (JP)
YAMADA HIROYUKI (JP)
Application Number:
PCT/JP2021/040469
Publication Date:
July 28, 2022
Filing Date:
November 02, 2021
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
G05B9/02; G05B19/418
Domestic Patent References:
WO2015132938A12015-09-11
Foreign References:
JP2013028423A2013-02-07
JP2007161225A2007-06-28
JP2019016104A2019-01-31
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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