Vehicle weight estimating device

Details Vehicle weight estimating device Vehicle weight estimating device

2006-05-02

2006-05-02

Nguyen, Thu V. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Determining balance or center of gravity

Reexamination Certificate

active

07039519

ABSTRACT:
A vehicle weight estimating device includes an acceleration detecting portion, a driving force estimating, a filtered acceleration obtaining means portion for eliminating a low frequency component from the detected acceleration, a filtered driving force obtaining portion for eliminating a low frequency component from the estimated driving force, an acceleration integrating portion for obtaining an acceleration integration, a driving force integrating portion for obtaining a driving force integration, a vehicle weight estimating for estimating the vehicle weight based on the acceleration integration and the driving force integration, a vehicle weight averaging portion for averaging the estimated vehicle weight, a limiter determining portion for setting an limiter initial value, an upper limiter and a lower limiter and setting an initial area framed by each limiter, and a vehicle weight correcting portion for correcting the vehicle weight averaged based on the initial area.

REFERENCES:
patent: 6044317 (2000-03-01), Taffin
patent: 6339749 (2002-01-01), Rieker et al.
patent: 2002-340660 (2002-11-01), None

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