ABNORMALITY DETECTION APPARATUS, HYBRID VEHICLE, ABNORMALITY DETECTION METHOD, AND PROGRAM
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United States of America Patent
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Issued Date -
Dec 25, 2014
app pub date -
Sep 24, 2012
filing date -
Jan 27, 2012
priority date (Note) -
Abandoned
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Abstract
Abnormality of a temperature sensor is detected by: calculating the amount of heat generated in a predetermined time period from an object of sensing temperature by the temperature sensor; calculating the amount of temperature change of the object of sensing temperature in the predetermined time period; calculating a coordinate value in a coordinate system represented by having the heat amount information calculated by the heat amount calculation step, on a coordinate axis, and having information on the amount of temperature change of the temperature sensor, calculated by the temperature change calculation step, on another coordinate axis; and detecting abnormality of the temperature sensor in the case where the coordinate value calculated by the coordinate value calculation step is included in a predetermined abnormality detection judgment area in the coordinate system continuously for a certain time.
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