Lock-up control and method thereof

192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch

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Details

192 0052, 192 0092, 192 358, 74732, B60K 4122, B60K 4128

Patent

active

045821828

ABSTRACT:
A lock-up control wherein a temporary release timing of a bridge clutch is adjusted by learning control. According to the learning control, a difference between an estimated engine revolution speed after an instant when the bridge clutch is temporarily released and an actual engine revolution speed is obtained, an integral value is obtained by integrating the difference, and the temporary release timing is adjusted or corrected in such a manner as to decrease a difference between the integral value and a predetermined value.

REFERENCES:
patent: 4431095 (1984-02-01), Suga
patent: 4457410 (1984-07-01), Suga et al.
patent: 4539869 (1985-09-01), Suga et al.

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