Fault detection method and device
A fault detection and failure technology, applied in measurement devices, neural learning methods, vehicle testing, etc., can solve problems such as inaccurate fault prediction results, and achieve the effect of solving inaccurate fault prediction results and accurate prediction results.
Active Publication Date: 2022-01-14
CRRC QINGDAO SIFANG CO LTD
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[0004] Embodiments of the present invention provide a fault detection method and device to at least solve the technical problem of inaccurate fault prediction results in related technologies
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[0033] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0034] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...
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The invention discloses a fault detection method and device. Among them, the method includes: obtaining real-time temperature information of the target part in the train; inputting the real-time temperature information into the neural network model for analysis, and obtaining the temperature deviation information of the target part within the preset sampling period, wherein the temperature deviation information is used to reflect The degree of difference between the real-time temperature information of the target part and the standard data; determine the confidence degree of the failure of the target part based on the temperature deviation information, wherein the confidence degree is used to reflect the probability of failure; compare the confidence degree with the preset threshold; when the confidence degree is less than When the threshold is preset, it is determined that the target part is faulty. The invention solves the technical problem of inaccurate fault prediction results in the related art.
Description
technical field [0001] The invention relates to the field of vehicle fault detection, in particular to a fault detection method and device. Background technique [0002] In order to ensure the safe running of the train, it is often necessary to carry out temperature detection on the key components of the running part during the operation of the train. When performing fault prediction, only a simple threshold value judgment is used, so that the detection result is not particularly accurate. [0003] For the above problems, no effective solution has been proposed yet. Contents of the invention [0004] Embodiments of the present invention provide a fault detection method and device to at least solve the technical problem of inaccurate fault prediction results in the related art. [0005] According to an aspect of an embodiment of the present invention, a fault detection method is provided, including: obtaining real-time temperature information of a target part in the train...
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IPC IPC(8): G01M17/007G01K3/06G06K9/62G06N3/04G06N3/08
CPCG01M17/007G01K3/06G06N3/08G06N3/045G06F18/24
Inventor 董威朱慧龙张晓宁陈嘉怡杨慕晨王作禹
Owner CRRC QINGDAO SIFANG CO LTD