Tongue Weight Determination
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United States of America Patent
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app pub date -
Nov 1, 2016
filing date -
Nov 1, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
In various example embodiments, a system and method for determining a tongue weight of a vehicle with a trailer and its load is disclosed. A method includes: providing predetermined calibration settings relating force to engine speed for a vehicle travelling at various speeds, altering accelerometer data based on filtered vehicle pitch and roll data, determining that one or more vehicle performance parameters fall within a threshold range, storing a plurality of data pairs that include longitudinal acceleration and drive force, and determining a slope of a line that linearly approximates the plurality of data pairs, the slope indicating a total weight, the total weight comprising a weight of the vehicle and a weight being hauled by the vehicle, determining tongue weight from vehicle weight, total weight and delta pitch, and transmitting the tongue weight to a display.
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