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Transmission correction method, device and motor vehicle

A transmission and speed sensor technology, applied in the direction of transmission control, mechanical equipment, components with teeth, etc., can solve the problems of decreased transmission control effect, reduced driver satisfaction, and transmission inoperability, etc., to achieve the goal of improving reliability Effect

Active Publication Date: 2021-11-19
HAIMA AUTOMOBILE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the sensor fails, the transmission will not work
At the same time, for some fault information that the sensor itself cannot perceive, the control unit (transmission control unit, TCU) will always trust the sensor signal, which will also cause the transmission control effect to decrease and the driver's satisfaction to decrease.

Method used

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  • Transmission correction method, device and motor vehicle
  • Transmission correction method, device and motor vehicle
  • Transmission correction method, device and motor vehicle

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Embodiment Construction

[0039] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0040] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art w...

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Abstract

The present application discloses a transmission correction method, device, and motor vehicle. By detecting whether the speed sensor of the transmission drive shaft is faulty, if the speed sensor is faulty, according to the speed and speed of the transmission shaft related to the faulty speed sensor, / or the current vehicle speed calculates the rotational speed of the drive shaft corresponding to the faulty sensor. By replacing the rotating speed of the transmission shaft corresponding to the failed speed sensor, the vehicle can run stably when the speed sensor fails, and the reliability of the transmission control system is improved.

Description

technical field [0001] The present application relates to the field of transmission control, in particular, to a transmission correction method, device and motor vehicle. Background technique [0002] Compared with traditional automatic transmissions, dual-clutch transmissions have attracted the attention of major domestic automobile manufacturers due to their advantages such as uninterrupted power during shifting, inheriting the production process of manual transmissions, and good economy. It will also be an important direction for the development of domestic automatic transmissions. The core of the dual-clutch automatic transmission is its control software, and the reliability of the input signal of the control unit plays a decisive role in the control software. The dual-clutch transmission is equipped with two input shaft speed sensors and one output shaft speed sensor. The speed signals obtained by the three shaft speed sensors are used to control the smooth and fast co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/02F16H61/12
CPCF16H61/02F16H61/12F16H2061/1208F16H2061/1284
Inventor 赵狄刘兵阳张楠甘自学
Owner HAIMA AUTOMOBILE CO LTD
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