| 摘要 |
PURPOSE: A method of determining the temperature of the exhaust gas of a vehicle engine is provided so that a corrected temperature value is calculated using the characteristic of the thermal inertia of a temperature probe from a plurality of temperature measurements, which are arranged in chronological order. CONSTITUTION: A method of determining the temperature of the exhaust gas of a vehicle engine comprises following steps. A corrected temperature value is calculated using the characteristic of the thermal inertia of a temperature probe from a plurality of temperature measurements, which are arranged in chronological order. The characteristic includes time constant, which represents a speed the temperature probe takes a changed surrounding temperature. The corrected temperature value is proportion to the deviation from a preceding temperature value and is calculated a corrected term, which is added to the temperature measurements. The corrected tem is proportion to the characteristic.
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