Intelligent fault locating method of distributed measuring system facing heavy gauge member

A measurement system and fault location technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as inapplicability, achieve the effects of improving production efficiency and reducing downtime

Inactive Publication Date: 2012-11-14
BEIHANG UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

These solutions are mainly aimed at smaller-scale measurement systems, and are not suitable for large-scale measurement systems

Method used

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  • Intelligent fault locating method of distributed measuring system facing heavy gauge member
  • Intelligent fault locating method of distributed measuring system facing heavy gauge member
  • Intelligent fault locating method of distributed measuring system facing heavy gauge member

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Embodiment Construction

[0034] The invention is applicable to a multi-level distributed measurement network structure including a data acquisition unit, a data transmission unit and a central processing unit. Applying this method in a distributed measurement network can quickly and effectively determine the measurement point and the fault point of the line in hundreds or even thousands of multi-level measurement cable links, and take effective measures to reduce downtime. Increase productivity.

[0035] figure 1 What is shown is a distributed measurement network hardware architecture applying an intelligent fault location method. The distributed measurement system includes a data acquisition unit, a data transmission unit and a central processing unit. The data acquisition unit is composed of three parts: measurement sensor, multi-channel data acquisition board and industrial control computer; the data transmission unit is composed of multiple switches cascaded; the central processing unit is compo...

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Abstract

The invention relates to an intelligent fault locating method of the distributed measuring system facing the heavy gauge member, suitable for a multilevel distributed measuring network structure including a data acquisition unit, a data transmission unit and a central processing unit, so as to solve the problem of more time-consuming for fault seeking and unavailable debugging on time in distributed network measuring of mass nodes. The intelligent fault locating method is formed by two phases including the data acquisition unit fault locating and the data transmission unit fault locating for whole system. The data acquisition unit fault locating can carry out the pretreatment for fault aimed at node level and module level and can inform the fault type to the central processing unit through network transmission and position the fault type; the faults locating of the central processing unit for whole system not only can obtain the node level fault and module level fault but also can carry out the positioning for fault in link at all levels and is able to carry out the global fault positioning and accuracy alarm for fault. Used in the distributed measuring network, the method can rapidly and effectively determine the measuring point and faults in lines from hundreds of multilevel measuring cable links and let users adopt effective measures, thereby reducing the breakdown time andimproving the production efficiency.

Description

technical field [0001] The invention belongs to the technical field of distributed network measurement for large-scale components, in particular to an intelligent fault location method for a distributed measurement system for large-scale components. Background technique [0002] The measurement system for various parameters of components has experienced the development from the measurement on zero components to the overall measurement of large structures. At present, there are mainly the following schemes for the overall measurement of large structures. One is the measurement architecture based on CAN bus and other standardized industrial buses commonly used in industrial field environments. The problems existing in the measurement method based on industrial buses are as follows. The wiring Complexity, low reliability, identification and troubleshooting problems are difficult to solve, and because all lead cables need to be connected to the measurement cabinet under the fuse...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
Inventor 丁嵘李晓光诸彤宇钟镇撼张聚甫
Owner BEIHANG UNIV
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