Data compression transmission method of remote equipment fault information acquisition system

A fault information and data compression technology, which is applied in the field of information technology applications, can solve problems affecting remote diagnosis of machine tools, large transmission delays, and failure to keep up with maintenance, so as to reduce transmission bandwidth requirements, reduce fault information, and reduce space occupation Effect

Inactive Publication Date: 2014-08-06
FUJIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Large-scale mechatronic high-tech production equipment is generally the key production equipment on the processing line of various enterprises. If a failure occurs due to improper operation, etc., and the maintenance cannot keep up, its long-term shutdown will bring huge losses to production.
[0003] Most of the existing fault diagnosis methods are local diagnosis. Using diagnostic cards or other diagnostic devices, the implementation method is to collect fault information locally and diagnose the cause of the fault locally. There is nothing that can be done for faults outside the fault database.
However, in some remote fault diagnosis systems, the fault data is not compressed, and the transmission delay is large, which affects the remote diagnosis of the machine tool

Method used

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  • Data compression transmission method of remote equipment fault information acquisition system
  • Data compression transmission method of remote equipment fault information acquisition system
  • Data compression transmission method of remote equipment fault information acquisition system

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Embodiment Construction

[0022] The invention provides a fault point information collection, compression and transmission method for remote equipment. In this method, the fault points of the equipment to be tested are coded first, and the I / O of the fault collection terminal is connected with the fault points of the equipment. The fault collection terminal works in coordination with the equipment, and collects fault point information at a period τ during the operation of the equipment. The conversion circuit of the fault collection terminal converts the collected digital signal and analog signal into data that can be stored by the computer. According to the valid and invalid characteristics of the digital signal, the conversion circuit converts 1 digital signal into 1 bit data, and converts the analog signal into 8 bit data according to the data accuracy requirements. The compression processing algorithm performs effective compression processing on adjacent data of the same value and unconfigured col...

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Abstract

The invention discloses a data compression transmission method of a remote equipment fault information acquisition system. The data compression transmission method comprises the following steps: acquiring a digital or analog quantity signal of a fault point of equipment to be detected in a timed manner according to a configuration information table by a fault information acquisition terminal; compressing acquired data by bit by the fault information acquisition terminal; uploading compressed data to a central server by the fault information acquisition terminal, and correspondingly storing the compressed data according to the configuration information table by the central server. According to the method, the fault information acquisition terminal is connected to a fault point sensor of the equipment to be detected and can be used for acquiring the digital and analog signals of the equipment to be detected; the acquired data is compressed and transmitted, so that the occupied space of the fault information data is greatly reduced, the data transmission quantity is reduced, the transmission real-time property is improved, and the requirement on the transmission bandwidth is lowered.

Description

【Technical field】 [0001] The invention belongs to the application field of information technology, and in particular relates to a data compression transmission method of a remote equipment failure information collection system. 【Background technique】 [0002] Large-scale mechatronic high-tech production equipment is generally the key production equipment on the processing line of various enterprises. If a failure occurs due to improper operation, etc., and the maintenance cannot keep up, its long-term shutdown will bring huge losses to production. . [0003] Most of the existing fault diagnosis methods are local diagnosis. Using diagnostic cards or other diagnostic devices, the implementation method is to collect fault information locally and diagnose the cause of the fault locally. There is nothing that can be done for faults outside the fault database. However, in some remote fault diagnosis systems, the fault data is not compressed, and the transmission delay is large, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C17/02
Inventor 聂明星蒋新华聂作先邵明张俊辉李光炀陈兴武杨慧芳朱悦涵
Owner FUJIAN UNIV OF TECH
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