Onsite information preprocessing method of remote cooperative diagnosis

An information preprocessing and remote technology, applied in the direction of signal transmission system, electrical program control, electrical signal transmission system, etc., can solve the problems of lack of comprehensive fault mechanism, rough fault alarm prompt information, huge amount of real-time sampling information, etc.
CN102520697AInactive Publication Date: 2012-06-27XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Publication Date
2012-06-27
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

An onsite information preprocessing method of remote cooperative diagnosis includes an information collection step, a health state prediction step, a deep information processing step and a remote information transmission step. The information collection step collects working state information, control information, fault diagnosis information, working record information and working environment information. The health state prediction step predicates health state of equipment in one further period according to collection information and correspondingly conducting adjustment on an important monitoring point and monitoring frequency of the state monitoring in advance. The deep information processing step excavates fault sign information of relative time periods of the important monitoring point and conducting effective information extraction on common health state information according to certain standard. The remote information transmission step uploads preprocessing results. The onsite information preprocessing method compresses and extracts onsite original data of the equipment, reasonably expresses health state information of the equipment and converts the health state information into the knowledge expression mode required by an expert system or other decision making systems according to actual health state of the equipment.
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Description

technical field

[0001] The invention relates to an on-site information intelligent processing technology suitable for a front end of remote collaborative diagnosis of complex equipment, in particular to a field information preprocessing method for remote collaborative diagnosis. Background technique

[0002] At present, with the development of micro-nano technology, extreme and precision manufacturing, etc., the equipment structure is becoming more and more complex, the scale is getting larger and larger, and the degree of multi-disciplinary integration, multi-field coupling, mechatronics and multi-manufacturer collaborative manufacturing is increasing. High; correspondingly, equipment fault diagnosis is more complicated. For these complex equipment, there is often a complex nonlinear and unstructured relationship between faults and features. Usually, there are many ways of fault propagation and concurrent propagation, chain reaction and mutual influence will occur. Theref...

Claims

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