Temperature compensation method for gas sensor module using change of heater current

A temperature compensation method for a gas sensor module using a change of heater current, may include deriving an output voltage equation of the gas sensor module from a cell reaction equation of an electrolyte and deriving the output voltage equation to an equation for a fluctuation temperature w...

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Main Authors Kim, Yang-Ki, Sohn, Hyun-Soo, Kwon, Jong-Min, Kim, Ji-Hye, Lee, Tae-Won, Oh, Sun-Mi
Format Patent
LanguageEnglish
Published 31.12.2019
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Abstract A temperature compensation method for a gas sensor module using a change of heater current, may include deriving an output voltage equation of the gas sensor module from a cell reaction equation of an electrolyte and deriving the output voltage equation to an equation for a fluctuation temperature which varies depending on a sensor temperature and an unknown type compensation coefficient; deriving the fluctuation temperature to heater current indicating a current value of a heater formed in the gas sensor module and deriving the output voltage equation by the heater current and the compensation coefficient; and measuring output voltage depending on current of heaters at two or more points to determine the compensation coefficient of the output voltage equation, and the output voltage is configured to be compensated with the change of the heater current measured by the gas sensor module regardless of an external temperature.
AbstractList A temperature compensation method for a gas sensor module using a change of heater current, may include deriving an output voltage equation of the gas sensor module from a cell reaction equation of an electrolyte and deriving the output voltage equation to an equation for a fluctuation temperature which varies depending on a sensor temperature and an unknown type compensation coefficient; deriving the fluctuation temperature to heater current indicating a current value of a heater formed in the gas sensor module and deriving the output voltage equation by the heater current and the compensation coefficient; and measuring output voltage depending on current of heaters at two or more points to determine the compensation coefficient of the output voltage equation, and the output voltage is configured to be compensated with the change of the heater current measured by the gas sensor module regardless of an external temperature.
Author Sohn, Hyun-Soo
Lee, Tae-Won
Kim, Yang-Ki
Kim, Ji-Hye
Kwon, Jong-Min
Oh, Sun-Mi
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Snippet A temperature compensation method for a gas sensor module using a change of heater current, may include deriving an output voltage equation of the gas sensor...
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SubjectTerms INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
Title Temperature compensation method for gas sensor module using change of heater current
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