Method and apparatus for rear-wheel steering control

Details Method and apparatus for rear-wheel steering control Method and apparatus for rear-wheel steering control

1994-08-09

1995-07-04

Zanelli, Michael

Boots, shoes, and leggings

180 2401, 180140, 280 91, B62D 526

Patent

active

054306507

ABSTRACT:
A rear-wheel steering control apparatus includes a controller, which performs a first-order lag process. This process is equivalent to a first-order lag transfer function and is represented by a time constant matching loadage data from a rear-wheel stroke sensor and a proportional constant matching vehicle speed data from a vehicle speed sensor. The first-order lag process is performed on a front-wheel steering angle, obtained based on steering-wheel angle data from a steering-wheel angle sensor, to thereby set a target rear-wheel steering angle. Steering of rear wheels to the set rear-wheel steering angle is carried out with a degree of first-order response delay corresponding to the loadage. Thereby, traveling stability and forepart turning performance of a vehicle are improved in various loading and steering conditions.

REFERENCES:
patent: 4947326 (1990-08-01), Mori et al.
patent: 4998201 (1991-03-01), Mori
patent: 5010488 (1991-04-01), Ohshita et al.
patent: 5180026 (1993-01-01), Mori
patent: 5317513 (1994-05-01), Mouri
patent: 5320192 (1994-06-01), Hayashida et al.
patent: 5366035 (1994-11-01), Hayashida et al.

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