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On-line detection and control method of tire product quality

A technology of product quality and control method, applied in the field of tire quality control, can solve problems such as time-consuming, low accuracy, and many human interference factors, and achieve the effect of improving time efficiency, improving accuracy, and promoting application value.

Active Publication Date: 2020-06-05
青岛惠尔浦智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most domestic tire factories mainly use manual re-inspection to manually check the cycle temperature and pressure curve of each tire in each production line during the production process to eliminate unqualified tires, which is time-consuming and inaccurate. High and there are many human interference factors

Method used

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  • On-line detection and control method of tire product quality
  • On-line detection and control method of tire product quality
  • On-line detection and control method of tire product quality

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Embodiment Construction

[0038] The tire product quality on-line detection and control method of the present invention involves data processing, including primary judgment of statistics, secondary judgment based on knowledge guidance and judgment based on neural network, and forms an online detection system. Use statistics to make a preliminary judgment, and then make a second judgment on the results of the preliminary judgment through the laws contained in the indicators, calculate the slope of adjacent recorded data, find key points, and compress the data; then use the modified DTW algorithm to compare the curve of the tire to be recognized with the database The change trend of the tire curve in the middle, through massive data training, the judgment threshold is given, and the database is updated regularly. Specifically include the following steps.

[0039] 1. Data preprocessing

[0040]At present, the indicators used to judge the quality of tires mainly include eight indicators: left inner temper...

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Abstract

The invention discloses a tire product quality on-line detection and control method. The tire product quality on-line detection and control method comprises the following steps of 1, deleting an invalid index and a whole record which is in lack of data; for a periodical index, deleting tire recording data of an incomplete cycle; 2, utilizing a 3sigma principle and a range in a mean variance methodto judge abnormal data in tire real-time data; 3, on the basis of statistic preliminary judgment, extracting a new time sequence characteristic to be analyzed to be conduct secondary detection according to basic characteristics of a time sequence and by analyzing characteristics hidden behind data; conducting trend comparison on sampling data with data of a standard sample library, and if the trend change exceeds a given threshold value, judging that a tire is possibly abnormal; 4, based on a real-time and on-line learning capability of an on-line learning machine, utilizing obtained historical tire pressure and temperature data to train parameters of a neural network model to periodically update a standard database. The tire product quality on-line detection and control method improves the time efficiency and accuracy of judgment.

Description

technical field [0001] The invention relates to a method for on-line detection and control of tire product quality, which belongs to the technical field of tire quality control. Background technique [0002] With the rapid development of our country's economy, the number of cars owned by residents continues to increase, resulting in an increasing demand for tires in the automobile manufacturing industry. Therefore, the quality and safety of tire production has attracted more and more attention from the industry, especially the quality and safety inspection of tires before they leave the factory. How to accurately and effectively detect tire defects and ensure the factory quality of tires is a problem that must be paid attention to at present. [0003] At present, the testing of tire quality at home and abroad is carried out after the event, and unqualified products are either scrapped or disposed of at a low price, which brings huge economic losses. The quality of tires is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/16G06F16/23G06N3/08
Inventor 察可文李金红徐瑞民尹红丽李彬
Owner 青岛惠尔浦智能科技有限公司
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