Shift control method for automatic manual transmission vehicle

A technology of manual transmission and control method, which is applied in the direction of transmission control, arrangement of multiple different prime movers of general power plant, control device, etc. performance, prevention of loss of power performance, and excellent shifting feel

Pending Publication Date: 2022-05-06
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it has been found that since the shifting operation of the AMT is automatically performed by the actuator according to the driving situation, unlike the manual shifting operation performed according to the driver's intention, torque interruption basically accompanies the shifting process, thereby causing shifting The gear feels uncomfortable and causes the power performance of the vehicle to decline

Method used

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  • Shift control method for automatic manual transmission vehicle
  • Shift control method for automatic manual transmission vehicle
  • Shift control method for automatic manual transmission vehicle

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Embodiment Construction

[0040] The following description is merely exemplary in nature and is not intended to limit the invention, application or use. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0041] figure 1 A schematic diagram showing the structure of an AMT to which the present invention can be applied, in which two power sources are connected to the AMT. Here, the two power sources are the first motor MG1 and the second motor MG2.

[0042] The AMT is configured such that the AMT can supply power from the first motor MG1 to the planetary gear unit PG by changing the transmission ratio, and change the path of power supply from the second motor MG2 to the planetary gear unit PG, thereby outputting power to the The output shaft OUT of the unit PG.

[0043] The first planetary gear unit PG includes a first rotation element, a second rotation element and a third rotation element. exist figure 1Among t...

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Abstract

The invention relates to a shift control method for an automatic manual transmission vehicle. A shift control method of an automatic manual transmission (AMT) for a vehicle includes increasing a torque of a second motor such that a change in output torque of an output shaft due to the torque of the first motor is minimized in a case where the torque of the first motor is reduced when a shift operation is started. According to the shift control method, the increased torque of the second motor is kept constant when transmission release, speed synchronization, and transmission engagement are controlled. The torque of the second motor is controlled such that the output torque of the output shaft follows a predetermined target torque while controlling the torque of the first motor to increase after the control of the transmission engagement is completed.

Description

technical field [0001] The present invention generally relates to a shift control method for a vehicle, and more particularly, the present invention relates to a shift control technology for a vehicle installed with an automated manual transmission (AMT). Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] Although the AMT uses the same shift mechanism as a typical manual transmission, the AMT enables the operation of the clutch and the shift operation to be automatically performed by separately provided clutch actuators and shift actuators, thereby improving driver's convenience. [0004] However, it has been found that since the shifting operation of AMT is automatically performed by the actuator according to the driving situation, unlike the manual shifting operation performed according to the driver's intention, torque interruption basically accompa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/02
CPCF16H61/0213F16H2061/0433F16H2200/2005F16H61/0403B60K1/02B60K17/08F16H37/046F16H61/686F16H61/04F16H59/14F16H63/36F16H2059/148B60K6/365F16H3/727F16H37/0826
Inventor 李雅蓝新权秀李在峻朴钟述黄真荣
Owner HYUNDAI MOTOR CO LTD
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