Lock-up clutch control method

Details Lock-up clutch control method Lock-up clutch control method

1995-12-07

1998-02-17

Louis-Jacques, Jacques

Boots, shoes, and leggings

364424097, 364424088, 477 63, 477169, 477 65, 192 33, 192 331, 192 358, G06G 770, A63B 2206, F16D 3300

Patent

active

057197687

ABSTRACT:
A lock-up clutch control method controls a torque converter comprising an input shaft through which a rotating force from an engine is input, an output shaft which outputs a driving force to the side of driving wheels and a lock-up clutch which operates in response to a hydraulic pressure. A control element controls an engaging pressure of the lock-up clutch by way of the hydraulic pressure. The engaging force of the clutch is controlled in accordance with calculated results of a target following up section for calculating a controlled variable so that a slip follows up a target slip and a control system stabilizing section for calculating the controlled variable so that the disturbance applied to the control system is compensated. Thereby, a stable control may be realized without receiving any effect of the disturbance. The disturbance may be estimated and learned for more accurate control.

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