Title:
GAS DETERMINATION SYSTEM AND GAS DETERMINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/240680
Kind Code:
A1
Abstract:
Provided is a gas determination system which, in order to detect the impact of numerous gas components at a low cost, is characterized by comprising: gas sensors that output gas sensor values in accordance with a gas; a calculation unit that, based on the gas sensor values output from the plurality of gas sensors, calculates a calculated gas concentration (430), which is the concentration of a prescribed gas component, and calculates a determination evaluation value, which is a value pertaining to the calculated gas concentration (430); a physical health determination unit that determines whether a calculated determination evaluation value falls outside of a range set on the basis of the value pertaining to the calculated gas concentration (430) calculated in the past; and a display processing unit that has the function of outputting the detection of an abnormality if the determination evaluation value is outside the range.
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Inventors:
WAKANA HIRONORI (JP)
YAMADA MASUYOSHI (JP)
YAMADA MASUYOSHI (JP)
Application Number:
PCT/JP2020/020883
Publication Date:
December 02, 2021
Filing Date:
May 27, 2020
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G08B21/14
Foreign References:
JP2020034309A | 2020-03-05 | |||
JP2011095212A | 2011-05-12 | |||
JP2004047217A | 2004-02-12 | |||
JP2016154759A | 2016-09-01 | |||
JP2020112911A | 2020-07-27 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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