EP1303819A1 - Systeme et procede pour produire un modele d'erreur a base de langage xml - Google Patents

Systeme et procede pour produire un modele d'erreur a base de langage xml

Info

Publication number
EP1303819A1
EP1303819A1 EP00951432A EP00951432A EP1303819A1 EP 1303819 A1 EP1303819 A1 EP 1303819A1 EP 00951432 A EP00951432 A EP 00951432A EP 00951432 A EP00951432 A EP 00951432A EP 1303819 A1 EP1303819 A1 EP 1303819A1
Authority
EP
European Patent Office
Prior art keywords
xml
error model
memory
error
model
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00951432A
Other languages
German (de)
English (en)
Inventor
Gerhard Vollmar
Zaijun Hu
Jari Kallela
Manuel Greulich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intellectual Ventures II LLC
Original Assignee
ABB Research Ltd Switzerland
ABB Research Ltd Sweden
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Research Ltd Switzerland, ABB Research Ltd Sweden filed Critical ABB Research Ltd Switzerland
Publication of EP1303819A1 publication Critical patent/EP1303819A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B17/00—Systems involving the use of models or simulators of said systems
    • G05B17/02—Systems involving the use of models or simulators of said systems electric
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0275—Fault isolation and identification, e.g. classify fault; estimate cause or root of failure
    • G05B23/0278—Qualitative, e.g. if-then rules; Fuzzy logic; Lookup tables; Symptomatic search; FMEA
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/0709—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a distributed system consisting of a plurality of standalone computer nodes, e.g. clusters, client-server systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/079—Root cause analysis, i.e. error or fault diagnosis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/12—Use of codes for handling textual entities
    • G06F40/14—Tree-structured documents
    • G06F40/143—Markup, e.g. Standard Generalized Markup Language [SGML] or Document Type Definition [DTD]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/12—Use of codes for handling textual entities
    • G06F40/151—Transformation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/166—Editing, e.g. inserting or deleting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/166—Editing, e.g. inserting or deleting
    • G06F40/169—Annotation, e.g. comment data or footnotes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/008—Reliability or availability analysis

Definitions

  • the invention relates to a system and a method for generating an XML-based fault model for fault cause analysis.
  • Fault models are suitable for analyzing the causes of faults in the event of fault events in industrial production plants, in particular as part of a service system for determining the effectiveness (Overall Equipment Effectiveness OEE) of production plants, fault events and the causes of the fault events that contribute significantly to productivity losses.
  • OEE Overall Equipment Effectiveness
  • the error models are hierarchically structured cause / effect models, the structures of which are also referred to as error trees.
  • Each node of a tree can be interpreted as a fault hypothesis of the node of the next higher level connected to it.
  • a node contains all information for verifying the error hypothesis.
  • all causes can be determined by step-by-step verification of the hypotheses in the intermediate levels.
  • Such error models are usually created using a common word processing system, in particular using Microsoft Word, and stored as a Word document.
  • the possible uses for fault cause analysis are, however, restricted for fault models that exist in this form. It would therefore be desirable to map such Word documents into a web (worldwide web) environment.
  • a web browser can visualize information that is stored in a web server in HTML (HyperText Markup Language) format.
  • HTML HyperText Markup Language
  • texts, tables, pictures, videos up to programs, so-called applets can be integrated.
  • HTML pages can be linked together using so-called hyperlinks. This technology therefore has the potential to provide complex and extensive models for fault cause analysis up to navigation in the fault trees in a comprehensive and user-friendly manner in an IT environment.
  • HTML HyperText Markup Language
  • models for error cause analysis can thus be mapped in terms of content.
  • a verification checklist for error hypotheses can be defined as a data structure in XML.
  • HTML namely the lack of the ability to describe models for error cause analysis in terms of content
  • XML The description of the content of the XML implementation allows functionalities that could only be implemented in HTML with great effort.
  • the direct creation of a model for error cause analysis in XML is quite complex.
  • z At present and for the foreseeable future, few resources are available that master this technology at all.
  • the invention is based on the object of specifying a method and a system for carrying out the method, by means of which an error model can be created as a Word document by inputting the required data and which is then automatically mapped as an XML error model.
  • the invention accordingly relates to procedures and means with which models, initially created as a Word document, for converting the causes of errors into XML implementations are transferred.
  • the structure of the respective Word document is derived from a meta model for the cause of error analysis, referred to here as a template.
  • This meta model describes the procedure for the analysis, as well as the structures and contents of the information necessary for the analysis. Because this metamodel defines the structure of the Word document and at the same time the data structures of XML, a very simple and efficient mapping rule has been found for converting the Word document into an XML implementation.
  • a major advantage of the invention is that the contents of the models for the cause of failure analysis can be documented by experts from the respective areas of application. Such an expert only has to adhere to a predetermined structure of the document. The models are then automatically transferred to a web environment.
  • FIG. 1 shows the block diagram of a system according to the invention for generating an XML-based error model
  • FIG. 7 shows the instance of an error model in XML.
  • 1 shows the block diagram of a system 1 for generating XML-based models for analyzing the causes of errors.
  • the system is divided into means for a data input and visualization 10, a data processing device 20 and data memory 30.
  • a data input device 11 and a word processor 21, which has access to a template memory 31, are set up for this, at least one.
  • the data input device 11 and the word processor 21 for word processing are standard components.
  • the data processing device 20 contains a word error model translator 22 which has both a metamodel or template stored in the template memory 31 and one or more error models in the first error model memory 32.
  • the translator 22 is connected to a schema memory 33 for storing XML types, and to a second error model memory 34 for storing XML instances.
  • An XML engine 23, a standard component, is available for the preparation and syntactic checking of data from the memories 33 and 34, and for the display of XML-based error models by means of a web browser in a display device 12.
  • the error model is created using MS Word.
  • the structure of the Word document is specified by a template from the template memory 31.
  • the formats of the template are derived from the structure of an industry-specific error model.
  • the structure of such an error model is shown in FIG. 3, and the formats derived therefrom are shown in FIG. 4.
  • the error model created with the template is stored as a Word document in the first error model memory 32. 5 shows a section of such an error model created in Word.
  • a step 200 the word files are translated into XML files by means of the translator 22: a) The formats of the template are converted into XML types and stored in an XML schema in the schema memory 33. Fig. 6 shows one in this way generated type system for the part of the error model that represents an error event, as explained further below.
  • the XML schema thus defines an application-specific type system, b)
  • the translator 22 also translates the first error model memory first error model memory 32 stored error models into XML instances which are stored in the second error model memory 34. These instances are based on the type system defined in the XML schema. 7 shows an example of an error model thus translated into XML.
  • the procedure for generating an XML-based error model is in itself completed by the XML error model, which is ready for retrieval.
  • the XML engine 23 can be used to display the respective XML-based error model in the display device 12 by accessing the schema stored in the schema memory 33 and the second error model memory 34 using a web browser , Using the XML schema, the XML engine 23 checks the syntactical correctness of the XML implementation when the web pages are constructed.
  • the model has a hierarchical structure consisting of three levels. The top level represents the error event. Several error modes can be subordinate to an error event.
  • the logical dependency can be formulated as follows: One or more error modes can cause an error event.
  • the same logical dependency applies to fault mode and fault hypothesis: one or more fault hypotheses can be the cause of a fault for a fault mode.
  • the concepts of fault event, fault mode, fault hypothesis of the three levels have a similar description of content.
  • the error hypothesis differs by a more complex diagnostic concept.
  • the error hypothesis can refer to other error models for in-depth analysis.
  • FIG. 4 shows formats with the aid of which the error models in the Word document can be structured.
  • the formats result from the concepts of the error model shown in FIG. 3.
  • 5 shows an example of an error model that was developed on the basis of the template using the formats defined therein.
  • Fig. 4 takes a closer look at the formats.
  • mapping rule from the format description of the template.
  • the mapping rules result from the structure of the error model and the syntax of the XML language.
  • FIG. 7 shows an example of an instance of an error model in XML. This instance is automatically generated by the translator 22 from the Word document created.
  • the application-specific types are described in the schematic file, see FIG. 6 for this. All types begin with the prefix rca, followed by att for attribute or elt for element. This is followed by a brief description of the application-specific context, such as ehlerorf.
  • the content components are in single quotes in accordance with the XML syntax.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Artificial Intelligence (AREA)
  • Quality & Reliability (AREA)
  • Automation & Control Theory (AREA)
  • Biomedical Technology (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Document Processing Apparatus (AREA)

Abstract

L'invention concerne un procédé et un système (1) permettant de produire un modèle d'erreur à base de langage XML, en vue d'analyser l'origine d'erreurs, notamment en cas d'apparition d'erreurs dans des installations de production industrielles. Ce système (1) contient un dispositif d'introduction de données (11) relié au processeur Word d'un dispositif de traitement de données (20), qui a accès à une mémoire-cache (31) et est connecté à une première mémoire de modèle d'erreur (32). Le dispositif d'introduction de données (11) est conçu pour introduire des données pour établir un modèle d'erreur en tant que document Word et pour mémoriser ce document Word dans la première mémoire de modèle d'erreur (32). Ce système (1) contient en outre un traducteur (22) compris dans le dispositif de traitement des données (20), qui a accès à la première mémoire de modèle d'erreur (32) et est connecté à une mémoire schéma (33) pour stocker des types de langage XML intervenant sous forme de types de langage XML, par transfert d'un cache stocké dans la mémoire-cache (31). L'invention concerne en outre une seconde mémoire de modèle d'erreur (34) pour stocker des instances de langage XML intervenant par transfert du document Word stocké dans la mémoire de modèle d'erreur (32). Le dispositif de traitement des données (20) peut contenir un moteur de langage XML (23) qui a accès à la mémoire schéma (33) et à la seconde mémoire de modèle d'erreur (34) et est conçue de manière à représenter dans un dispositif d'affichage (12), un modèle d'erreur à base de langage XML mémorisé dans la seconde mémoire de modèle d'erreur (34), au moyen d'un explorateur Web.
EP00951432A 2000-07-22 2000-07-22 Systeme et procede pour produire un modele d'erreur a base de langage xml Withdrawn EP1303819A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2000/007059 WO2002008951A1 (fr) 2000-07-22 2000-07-22 Systeme et procede pour produire un modele d'erreur a base de langage xml

Publications (1)

Publication Number Publication Date
EP1303819A1 true EP1303819A1 (fr) 2003-04-23

Family

ID=8164036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00951432A Withdrawn EP1303819A1 (fr) 2000-07-22 2000-07-22 Systeme et procede pour produire un modele d'erreur a base de langage xml

Country Status (4)

Country Link
US (1) US7206968B2 (fr)
EP (1) EP1303819A1 (fr)
AU (1) AU2000264369A1 (fr)
WO (1) WO2002008951A1 (fr)

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Also Published As

Publication number Publication date
WO2002008951A1 (fr) 2002-01-31
US20040143778A1 (en) 2004-07-22
US7206968B2 (en) 2007-04-17
AU2000264369A1 (en) 2002-02-05

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