Vehicle control method using short-term and long-term correction

Details Vehicle control method using short-term and long-term correction Vehicle control method using short-term and long-term correction

1997-04-10

1999-11-30

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

303169, B60K 2816, G01P 356

Patent

active

059958979

ABSTRACT:
A method is provided for accurately controlling a vehicle having a mini tire mounted as the spare tire. A short-term correction coefficient and a long-term correction coefficient are computed periodically for the left and right wheels, and a probable lateral acceleration G is computed from the difference between the ratio of the short-term correction coefficient to the long-term correction coefficient for the left and right wheels. A revised probable lateral acceleration G' is computed using the value of the long-term correction coefficient fixed at the point at which the absolute value of the probable lateral acceleration G has exceeded a prescribed value and the most recent short-term correction coefficient, from which a decision is made as to the state of a turn. The most recent long-term correction coefficient is used to make a correction for a mounted mini tire.

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patent: 5725067 (1998-03-01), Ikeda et al.
patent: 5734265 (1998-03-01), Toyoda et al.
patent: 5852788 (1998-12-01), Toyoda et al.

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