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Oil charging and semi-linkage-point self-learning method of double-clutch automatic transmission

A technology of automatic transmission and double clutch, which is applied in the direction of transmission, fluid transmission, and components with teeth, etc., can solve problems such as impact, and achieve the effect of improving adaptability and reducing deviation

Active Publication Date: 2016-12-14
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method of oil filling and semi-linkage point self-learning for dual-clutch automatic transmissions to solve the problem of impact on hardware during the oil filling process and to improve the corresponding precision and accuracy of the clutch

Method used

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  • Oil charging and semi-linkage-point self-learning method of double-clutch automatic transmission
  • Oil charging and semi-linkage-point self-learning method of double-clutch automatic transmission
  • Oil charging and semi-linkage-point self-learning method of double-clutch automatic transmission

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Embodiment Construction

[0029] The technical solution of the present invention is described in detail below through the examples, and the following examples are only exemplary and can only be used to explain and illustrate the technical solution of the present invention, rather than being interpreted as a limitation to the technical solution of the present invention.

[0030] The invention provides a method for filling oil in a dual-clutch automatic transmission, comprising the following steps: image 3 and Figure 4 As shown, the oil filling method also includes the expected pressure 3 and the actual oil filling pressure 4 .

[0031] First of all, it is necessary to calibrate the dual-clutch automatic transmission at different oil temperatures, different oil filling pressures, and how many setting stages the corresponding oil filling pressure is divided into. , the difference in oil filling pressure at different gears is divided into different setting stages, and in this application, the difference...

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Abstract

The invention relates to an oil charging and semi-linkage-point self-learning method of a double-clutch automatic transmission. After an oil charging control module receives an oil charging command, the oil charging control module receives a present oil temperature detected by a sensor, and divides the oil charging pressure of a clutch into set phases according to the present oil temperature; and then, the oil charging control of the clutch is finished by an oil pressure step ascending mode. The method adopts an interpolation segmented ascending step oil charging method to reduce the clutch pressure impact problem and to prolong the service life of a hydraulic actuation unit; as the oil charging pressure is equally divided, the moving amplitude of an electromagnetic valve is relatively lower, the blockage is not easy to generate, the service life is prolonged, and the fault generation frequency is reduced; and meanwhile, the method is higher in response speed and precision.

Description

technical field [0001] The invention belongs to the technical field of gearbox control systems, in particular to an oil filling and semi-linkage point self-learning method for a dual-clutch automatic gearbox. Background technique [0002] A typical wet dual clutch transmission consists of two coaxial nested or parallel clutches, two coaxial, inner and outer nested input shafts, two parallel output shafts, and multiple clutches arranged on the output shafts. It consists of a synchronizer device, multiple shift forks and a differential. The odd and even gear input gears of the transmission are respectively arranged on the two input shafts, through the switching of the two clutches and the actions of different synchronizers, the torque conversion and output are realized through different output shafts. [0003] A typical electronic control system of a wet dual-clutch gearbox uses a sensor as a signal acquisition unit to collect signals such as the speed of the dual clutch, the...

Claims

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Application Information

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IPC IPC(8): F16H61/38F16H61/00
CPCF16H61/00F16H61/38F16H2061/0075
Inventor 辛航
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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