JPWO2021090669A1 - - Google Patents

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Publication number
JPWO2021090669A1
JPWO2021090669A1 JP2021554865A JP2021554865A JPWO2021090669A1 JP WO2021090669 A1 JPWO2021090669 A1 JP WO2021090669A1 JP 2021554865 A JP2021554865 A JP 2021554865A JP 2021554865 A JP2021554865 A JP 2021554865A JP WO2021090669 A1 JPWO2021090669 A1 JP WO2021090669A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2021554865A
Other versions
JPWO2021090669A5 (ja
JP7325528B2 (ja
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Publication of JPWO2021090669A1 publication Critical patent/JPWO2021090669A1/ja
Publication of JPWO2021090669A5 publication Critical patent/JPWO2021090669A5/ja
Application granted granted Critical
Publication of JP7325528B2 publication Critical patent/JP7325528B2/ja
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0418—Air humidity

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2021554865A 2019-11-08 2020-10-20 湿度センサ診断装置 Active JP7325528B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019203278 2019-11-08
JP2019203278 2019-11-08
PCT/JP2020/039325 WO2021090669A1 (ja) 2019-11-08 2020-10-20 湿度センサ診断装置

Publications (3)

Publication Number Publication Date
JPWO2021090669A1 true JPWO2021090669A1 (ja) 2021-05-14
JPWO2021090669A5 JPWO2021090669A5 (ja) 2022-06-28
JP7325528B2 JP7325528B2 (ja) 2023-08-14

Family

ID=75849928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021554865A Active JP7325528B2 (ja) 2019-11-08 2020-10-20 湿度センサ診断装置

Country Status (4)

Country Link
US (1) US20220390406A1 (ja)
JP (1) JP7325528B2 (ja)
CN (1) CN114556092A (ja)
WO (1) WO2021090669A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023104219A (ja) * 2022-01-17 2023-07-28 三菱鉛筆株式会社 筆記具製品

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003028825A (ja) * 2001-07-11 2003-01-29 Toyota Central Res & Dev Lab Inc 静電容量型センサのセンサ特性測定方法とセンサ特性測定装置
JP2006234576A (ja) * 2005-02-24 2006-09-07 Denso Corp 湿度センサ装置及びその自己診断方法
JP2010008318A (ja) * 2008-06-30 2010-01-14 Yamatake Corp 湿度センサの劣化診断方法
JP2012078337A (ja) * 2010-09-08 2012-04-19 Denso Corp 容量式物理量検出装置
JP2012093113A (ja) * 2010-10-25 2012-05-17 Panasonic Corp 静電容量式加速度センサ
JP2013134078A (ja) * 2011-12-26 2013-07-08 Denso Corp 容量式物理量検出装置
JP2014240821A (ja) * 2013-06-12 2014-12-25 株式会社デンソー センサ装置
US20150354489A1 (en) * 2011-03-10 2015-12-10 Ford Global Technologies, Llc Method and system for humidity sensor diagnostics
JP2017036696A (ja) * 2015-08-10 2017-02-16 日立オートモティブシステムズ株式会社 内燃機関の制御装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614019B2 (ja) * 1986-08-28 1994-02-23 日本鉱業株式会社 電子湿度計及び電子温湿度計
JP3617032B2 (ja) * 2000-11-17 2005-02-02 エスペック株式会社 湿度センサの校正方法およびそれを用いた湿度センサ
EP1607739B1 (en) * 2004-06-18 2013-07-03 Sensirion AG Capacitive sensor
WO2006002301A1 (en) * 2004-06-21 2006-01-05 Kele, Inc. Measuring the capacitance of a capacitive sensor with a microprocessor
JP4551204B2 (ja) * 2004-12-10 2010-09-22 旭化成エレクトロニクス株式会社 インピーダンス測定装置
JP4760806B2 (ja) * 2007-09-04 2011-08-31 株式会社デンソー ガスセンサの劣化シミュレータ
JP5464694B2 (ja) * 2009-10-27 2014-04-09 株式会社チノー 容量式湿度センサー
JP5548640B2 (ja) * 2011-03-22 2014-07-16 アズビル株式会社 湿度測定装置および劣化検査方法
JP2014010011A (ja) * 2012-06-28 2014-01-20 Denso Corp 湿度センサ
JP2014085154A (ja) * 2012-10-19 2014-05-12 Denso Corp 湿度検出装置
WO2015037550A1 (ja) * 2013-09-13 2015-03-19 アルプス電気株式会社 静電容量－電圧変換装置
JP6228865B2 (ja) * 2014-03-06 2017-11-08 アルプス電気株式会社 センサ装置の検査方法及びそのセンサ装置
JP6421763B2 (ja) * 2016-01-13 2018-11-14 トヨタ自動車株式会社 湿度センサの異常検出装置
JP6842290B2 (ja) * 2016-12-08 2021-03-17 明星電気株式会社 湿度測定システム及び湿度センサ異常検出方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003028825A (ja) * 2001-07-11 2003-01-29 Toyota Central Res & Dev Lab Inc 静電容量型センサのセンサ特性測定方法とセンサ特性測定装置
JP2006234576A (ja) * 2005-02-24 2006-09-07 Denso Corp 湿度センサ装置及びその自己診断方法
JP2010008318A (ja) * 2008-06-30 2010-01-14 Yamatake Corp 湿度センサの劣化診断方法
JP2012078337A (ja) * 2010-09-08 2012-04-19 Denso Corp 容量式物理量検出装置
JP2012093113A (ja) * 2010-10-25 2012-05-17 Panasonic Corp 静電容量式加速度センサ
US20150354489A1 (en) * 2011-03-10 2015-12-10 Ford Global Technologies, Llc Method and system for humidity sensor diagnostics
JP2013134078A (ja) * 2011-12-26 2013-07-08 Denso Corp 容量式物理量検出装置
JP2014240821A (ja) * 2013-06-12 2014-12-25 株式会社デンソー センサ装置
JP2017036696A (ja) * 2015-08-10 2017-02-16 日立オートモティブシステムズ株式会社 内燃機関の制御装置

Also Published As

Publication number Publication date
CN114556092A (zh) 2022-05-27
JP7325528B2 (ja) 2023-08-14
US20220390406A1 (en) 2022-12-08
WO2021090669A1 (ja) 2021-05-14

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