Title:
CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/111620
Kind Code:
A1
Abstract:
Disclosed is a control device that operates when an anomaly occurs in a plant, the control device having a simple configuration as well as superior overall processing efficiency and operational stability. A plant control device (10) comprises an input means (13) for inputting a process signal that is transmitted from the plant; a numerical value computation unit (11) that outputs a Boolean value that determines, by a computation process based on a program, the normality or anomaly of the process signal; and a logical processing unit (20) that carries out a logical process on the Boolean value, based on a logic circuit, and outputs a control signal concerning protecting operational safety at the plant.
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Inventors:
HAYASHI TOSHIFUMI
KOJIMA ATSUSHI
SAKAI HIROTAKA
KOJIMA ATSUSHI
SAKAI HIROTAKA
Application Number:
PCT/JP2011/055052
Publication Date:
September 15, 2011
Filing Date:
March 04, 2011
Export Citation:
Assignee:
TOSHIBA KK (JP)
HAYASHI TOSHIFUMI
KOJIMA ATSUSHI
SAKAI HIROTAKA
HAYASHI TOSHIFUMI
KOJIMA ATSUSHI
SAKAI HIROTAKA
International Classes:
G21C17/00; G05B9/02; G21C17/003
Foreign References:
| JPS63140305A | 1988-06-11 | |||
| JP2009282751A | 2009-12-03 | |||
| JP2002198825A | 2002-07-12 | |||
| JP2008171154A | 2008-07-24 | |||
| JPH1194987A | 1999-04-09 | |||
| JP2002014703A | 2002-01-18 |
Attorney, Agent or Firm:
HATANO, Hisashi et al. (JP)
Hisashi Hatano (JP)
Hisashi Hatano (JP)
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Claims: