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Fault diagnosis method and device

A fault diagnosis device and fault diagnosis technology are applied in the direction of instruments, electrical testing/monitoring, control/regulation systems, etc., which can solve problems such as excessive time, waste of maintenance personnel's working time, and low maintenance personnel's work efficiency, so as to improve work efficiency. Efficiency, time saving effects

Inactive Publication Date: 2019-01-25
LAUNCH TECH CO LTD
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Problems solved by technology

[0003] The above-mentioned car fault module is determined by comparing the fault code quick check manual or the car data stream with the standard value. The car fault module obtained in this way requires the maintenance personnel to manually search for relevant car maintenance books, wasting the working time of the maintenance personnel
At the same time, if the maintenance personnel are not experienced enough, it will take more time to search, which may also lead to low work efficiency of the maintenance personnel

Method used

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  • Fault diagnosis method and device

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Embodiment Construction

[0055] In order to make the objectives, technical solutions, and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings.

[0056] The terms "first", "second", "third", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes unlisted steps or units, or optionally also includes Other steps or units inherent to these processes, methods or equipment.

[0057] The embodiments of the present application will be described below in conjunction with the drawings.

[0058] See figure 1 ...

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Abstract

The present invention discloses a fault diagnosis method and device. The method includes the following steps that: vehicle diagnostic data are acquired, wherein the vehicle diagnostic data are data ofa fault type to be determined; the vehicle diagnostic data are encoded, so that first encoded data are obtained; and the first encoded data are inputted into a recurrent neural network (RNN), secondencoded data are outputted; and a fault type corresponding to the second encoded data is determined as a target fault type according to corresponding relations between encoded data and fault types. The invention provides a correspond device. With the fault diagnosis method and device of the invention adopted, work efficiency can be effectively improved.

Description

Technical field [0001] This application relates to the technical field of automobile diagnosis, and in particular to a fault diagnosis method and device. Background technique [0002] At present, maintenance personnel mostly obtain automobile fault codes through data sensors, and then use the quick reference manual of automobile fault codes to determine automobile fault modules; or, obtain automobile data streams through data sensors, and then compare the obtained automobile data streams with standard data streams. Contrast, analyze the car failure, and determine the car failure module. [0003] The above-mentioned fault code quick reference manual or automobile data flow is compared with the standard value to determine the automobile fault module. The automobile fault module obtained in this way requires the maintenance personnel to manually search for the relevant automobile maintenance books, which wastes the maintenance personnel's working time. At the same time, if the mainte...

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 刘均刘新邓思超
Owner LAUNCH TECH CO LTD
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