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Gear shifting method used for AMT

A gear shifting method and gearbox technology, applied to components with teeth, belts/chains/gears, mechanical equipment, etc., can solve problems such as inability to effectively satisfy comfort, large shifting impact, and long shifting time , to achieve the effect of shortening the overall shift time, reducing the difficulty of control, and shortening the time of power interruption

Inactive Publication Date: 2019-05-21
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, compared with other types of automatic transmissions, AMT has the disadvantages of long shifting time and large shifting impact. At the same time, there is a long power interruption during the shifting process, which makes the user's comfort during driving difficult. be effectively satisfied

Method used

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  • Gear shifting method used for AMT
  • Gear shifting method used for AMT

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Embodiment Construction

[0032] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0033] Please refer to figure 1 and figure 2 ,in, figure 1 The control flow chart of the shifting method for the AMT gearbox provided for this engine; figure 2 Schematic diagram of the principle of the shifting method for the AMT gearbox provided for this engine.

[0034] In a specific embodiment, the present invention provides a gear shifting method for an AMT gearbox, comprising the steps of:

[0035] S1: Sweeps torque from...

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Abstract

The invention discloses a gear shifting method used for an AMT. The gear shifting method comprises the following steps that S1, the torque of an engine is cleared away, and a clutch of the engine is disengaged; S2, in the process of clearing away the torque of the engine, the transmission of the engine is subjected to idling; S3, the rotating speed of the engine is adjusted, and the transmission is subjected to gear selection; S4, when the clutch is completely disengaged, the transmission is subjected to gear engagement; and S5, the clutch is engaged, and the torque of the engine is restored.Compared with the prior art, the gear shifting method has the beneficial effects that when the clutch is disengaged and engaged, fine cooperation of the engine is not needed, and the control difficulty is reduced; idling and clutch engagement are started in advance, and therefore the total gear shifting time is shortened, and meanwhile the power failure time is also shortened; and due to the factthat torque clearing of the engine is finished in advance, more time is reserved for speed adjustment of the engine, the speed adjustment precision of the engine is higher, and gear shifting comfort is better.

Description

technical field [0001] The invention relates to the technical field of automobile control, in particular to a gear shifting method for an AMT gearbox. Background technique [0002] Electromechanical automatic transmission (AMT) is an electromechanical-hydraulic integrated automatic transmission that combines the advantages of AT (automatic) transmission and MT (manual) transmission. AMT not only has the advantages of automatic transmission of hydraulic automatic transmission, but also retains the original The manual transmission gear transmission has the advantages of high efficiency, low cost, simple structure and easy manufacture. [0003] However, compared with other types of automatic transmissions, AMT has the disadvantages of long shifting time and large shifting impact. At the same time, there is a long power interruption during the shifting process, which makes the user's comfort during driving difficult. be effectively satisfied. Contents of the invention [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/04
Inventor 王飞李永昌王菁李丕茂
Owner WEICHAI POWER CO LTD
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