Method of learning torque-stroke relationship of clutch
AssigneeHyundai Autron Co., Ltd.
InventorMin-Hyo KIM
Life of this patent
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Abstract
Provided are a method of learning a torque-stroke relationship of a clutch, and more particularly, a clutch torque-stroke learning method in which, during a process of dividing a torque region on a torque-stroke curve (T-S curve) of a clutch into two or more regions and learning the T-S curve passing through two or more torque regions with different torque section values, by learning the curve for a first torque region (e.g., a high-torque region or a low-torque region) when the curve is learned for a second torque region with guaranteed reliability, it is possible to prevent a problem of the T-S curve not converging to a previously learned curve value when the T-S curve is continuously learned for the two or more different torque regions.
Claims8
A method of learning a torque-stroke relationship of a clutch, the method comprising:
- a region division step in which a torque region is divided into a plurality of regions;
- a storage step in which a torque-stroke curve is learned and stored for each of the regions into which the torque region is divided in the region division step;
- a learning direction determination step in which a learning direction is determined according to a high or low variation of a torque;
- a reliability determination step in which reliability of the torque-stroke curve for a first region is determined while the torque-stroke curve is learned for a second region;
- and
- a learning point input step in which a learning point of the torque-stroke curve for the first region is input when the reliability is guaranteed in the reliability determination step.
Dependencies are inferred from the claim text.