METHOD AND SYSTEM FOR CALCULATING ELECTRICAL CHARACTERISTICS OF AN ELECTRIC HEATER
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United States of America Patent
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Apr 6, 2023
app pub date -
Sep 29, 2022
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Sep 30, 2021
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Abstract
A method of controlling temperature of a heater including a resistive heating element includes measuring a voltage count and a current count based on data from an analog-digital converter (ADC) circuit of a sensor circuit, where the sensor circuit is electrically coupled to the heater. The method includes selecting one or more dynamic gain levels of the ADC from among a plurality of dynamic gain levels based on a shift gain correlation, determining a resistance of the resistive heating element based on the voltage count, the current count, and the one or more dynamic gain levels, and controlling power to the heater based on the resistance.
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