WO2001057606A1 - Systeme et procede de realisation d'un modele de produits et/ou de deroulements de processus techniques et visualisation de ces modeles - Google Patents

Systeme et procede de realisation d'un modele de produits et/ou de deroulements de processus techniques et visualisation de ces modeles Download PDF

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Publication number
WO2001057606A1
WO2001057606A1 PCT/DE2001/000365 DE0100365W WO0157606A1 WO 2001057606 A1 WO2001057606 A1 WO 2001057606A1 DE 0100365 W DE0100365 W DE 0100365W WO 0157606 A1 WO0157606 A1 WO 0157606A1
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WO
WIPO (PCT)
Prior art keywords
information
data
process sequences
view
data model
Prior art date
Application number
PCT/DE2001/000365
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German (de)
English (en)
Inventor
Peter Rosenbeck
Original Assignee
Peter Rosenbeck
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 Peter Rosenbeck filed Critical Peter Rosenbeck
Priority to DE10190356T priority Critical patent/DE10190356D2/de
Publication of WO2001057606A1 publication Critical patent/WO2001057606A1/fr

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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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31469—Graphical display of process as function of detected alarm signals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to a system and a method for creating a model of technical products and / or process flows and their visualization, in particular for quality assurance in manufacturing and / or organizational processes.
  • FMEA Feilure Mode and Effect Analysis
  • the FMEA has a systematic description of risks or Errors in technical and / or organizational products and / or processes and their limitation to the goal
  • a process is a process that results in a technical product.
  • the FMEA method requires a systematic approach that can only be fully mastered if this activity is daily routine. However, this is only the case for consultants and auditors whose daily business includes FMEA implementation. In many For companies, FMEAs are carried out at intervals of six or more months. During these long periods of time, users easily forget the principles of analysis and how to use the software.
  • the systematic preparation for the actual risk analysis begins with a structure description, whereby technical or organizational products are described in graphic form in a tree diagram.
  • FMEA Failure Mode and Effects Analysis
  • Another approach is to agree on a kind of master document, in which all information is contained and updated and from which the specialized documents can be derived.
  • the disadvantage of this approach is that a very strict procedure is maintained in the maintenance of the information stock, which usually cannot be maintained in practice.
  • the respective user In their daily work, the respective user only wants to deal with those aspects that are relevant to his current problem and do not have to consider other facets of the process that are currently irrelevant for his problem area.
  • the users of the system can come from a wide range of specialist areas.
  • one user can be the master or head of the assembly line, another user can view the system from an economic perspective and is, for example, a businessman, a third user could be an engineer, other users can be from the logistics area or from the Management etc. come.
  • Each of these users has to consider its own aspects and facets of the system and analyze its risks and errors.
  • the user from the logistics area does not become aware of the possible errors and risks of, for example, a robot interested in a particular part of the assembly process for the manufacture of an automobile, but the possible risks and errors there also have an impact on the overall process, just as the possibility of errors in logistics can have an effect that, for example, an assembly robot does not have the required parts in time.
  • the process flows are - even with relatively small processes - so complex that the previously known and described methods offer only very limited possibilities for analyzing a technical product and / or a process in its entirety and for recognizing and eliminating the risks and errors ,
  • the known methods could even be described as a process, the risks and errors of which would have to be analyzed again. If one were to do this again only with the known, very limited methods, an unsolvable logical circle would result here.
  • the invention is therefore based on the object of specifying a system and a method for creating a model of technical products and / or process flows and its visualization, which in a simple manner for the user is consistent maintenance and visualization of the model of the technical products and / or Process sequences also possible in different views.
  • “Different views” here means the different perspectives described above for the engineers, logisticians, foremen, managers etc. Under different views, however, there are also special views or views that are subject-specific or not subject-specific but serve different tasks or purposes, for example, structural representations, function and error network representations, etc.
  • a system for creating a model of technical and / or organizational products or process flows and its visualization (whereby the system can be used in particular for quality assurance of processes and technical or organizational products), the system having at least two views for displaying the process sequences and / or information linked to the process sequences in different views, at least one data memory being provided for storing information data characterizing the process starts, the information data and / or the information of the data memory (SP ) are based on a common data model and multiple views of the process sequences can be assigned, the system having means for controlling the system in such a way that information data and / or partially overlapping information, ie e are edited in a first view, are automatically updated in the further views relevant to this information data and / or information in accordance with the editing carried out in the first view, at least one view having a screen surface with a grid which is used to display elements of the process sequences is provided and the system has means for automatically adjusting the size of the grid in accordance with the space requirement of the elements to be displayed.
  • the new approach is to have an active, intelligent data model in the background that is operated by specialized interfaces and ensures that all information in all documents is always up to date and that information required for the consistency of the data is automatically added.
  • "Follow-up" in this context means that the data is stored only once in the 'data model and will be updated on this basis in each view. For the view of a particular user, the impression arises that the data is "updated” from somewhere.
  • the elements of the process flows include process steps and their associated information such as Possible errors and process parameters, here collectively referred to as "legend”.
  • the elements of the diagram are placed in an orthogonal grid, the size of which is automatically adapted to the space required by these elements and their legend.
  • This grid creates a layout that is meaningful, but minimizes the time it takes to create it.
  • the information created with this procedure is fully integrated in the data model of the overall system, so that additional information (such as information about error relationships, which are actually the subject of the FMEA analysis) does not have to be maintained redundantly.
  • a further advantageous embodiment of the invention is characterized in that the system has means for generating information for the user in the event that the software generates the necessary information (independent objects) for reasons of logical consistency of the data model and into the factual most likely position to be moved. The respective user can thus obtain information about the new status of the models at any time and has the option of revising the information.
  • a method assistant is included as a guide which, based on an analysis of the current status of the data model, makes suggestions for creating and / or refining the data model. As a result, the method assistant also provides program-technical support by automatically inserting the information provided by the user based on the suggestions into the data model, without the user having to carry out the operating steps otherwise required for this.
  • a further advantageous embodiment of the invention is characterized in that the strategy pursued by the method assistant for the creation and / or refinement of the data model can be controlled by the user himself. This allows company-specific philosophies to be taken into account in the procedure.
  • Another advantageous embodiment of the invention is characterized in that the degree of protection of errors is shown.
  • Another advantageous embodiment of the invention is characterized in that the structural integrity of the error network is calculated and displayed.
  • a further advantageous embodiment of the invention is characterized in that the system has an assignment table which is provided for the customer-specific assignment of graphic objects (Gl ... Gn).
  • the system can also have means for creating user-specific process instructions.
  • the invention is described and explained in more detail below on the basis of the exemplary embodiments illustrated in the figures.
  • FIG. 1 is a schematic diagram of the basic structure of a system for creating and / or visualizing process flows
  • FIG. 3 shows a second view for visualizing the process sequence shown in FIG. 1,
  • FIG. 4 shows the view from FIG. 1 with the labeling hidden in the visualization of the process flow
  • FIG. 5 shows the representation of a second view for visualizing the process flow shown in FIG. 1 with an adapted grid height
  • FIG. 6 shows a view for the visualization of a feature in a structural representation with a consistent visualization in different forms
  • FIG. 8 shows a second view for visualizing the process sequence shown in FIG. 7, 9 shows the representation with the input of an error sequence in the FMEA form with the input of dependent information, the associated independent information of which does not exist (the system is not yet known),
  • FIG. 10 shows the representation with views S2 and S4 for visualizing the automatically generated information
  • 17 shows the representation with visualization of rules for the advisor.
  • FIG. 1 shows a data processing system 1 with the display surfaces 02 to On for the visualization of process sequences Pl to Pn and / or technical products.
  • Different views Sl to Sn are provided for the representation of the technical products and / or process sequences Pl to Pn. These views can, for example, process flow diagrams, a con- trollplan, an FMEA form or a graphical structure tree.
  • a data model 2 is stored in a memory SP. This data model 2 contains all data structures for the technical products and / or process flows Pl to Pn for the different views Sl to Sn in such a way that the data physically exist only once.
  • FIG. 2 shows a process diagram P1 with a raster R drawn in dashed lines in a visualization interface 01.
  • the raster R shows the process flow diagram with the information data IP and the information links IV.
  • the information IV associated with the process flow is represented by symbols (here: diamond, triangle, square). These symbols characterize the manufacturing steps, e.g. Production, transport, storage, checking, testing, etc. As will be shown later, the symbols can be freely specified by the user.
  • Manufacturing step 1 could e.g. mean that a
  • Screw is taken from the warehouse.
  • the representation according to FIG. 3 shows the same information as the representation according to FIG. 2, but in a different view. 3 shows the logical representation of the process structure in tree form. The picture shows the structure of the process from manufacturing cells and the manufacturing steps carried out in the individual cells without a chronological sequence of the manufacturing steps being recognizable. The manufacturing steps are shown in cells (cell 1, cell 2) and the cells are connected to the process again via information links IV.
  • the representation form according to FIG. 3 is consistent with the representation form according to FIG. 2. This means, for example, if the manufacturing step 1 would be renamed in FIG. For example, in manufacturing step 5, then manufacturing step 1 in the illustration according to FIG. 2 would also be automatically renamed to manufacturing step 5.
  • the representation according to FIG. 4 corresponds to the representation according to FIG. 2 with the difference that the legend in the raster R is hidden in the representation according to FIG. 4. This results in a clearer representation for the user.
  • FIG. 5 shows an automatic height or size adjustment of the grid R, which has become necessary by renaming the manufacturing step 1.
  • production step 1 there is now a legend with a particularly long name or textual explanation has been entered.
  • the diagram in the left part has shifted in height.
  • FIG. 6 shows a control plan which visualizes a further view S3.
  • additional, dependent information data IP can be entered. This is described in more detail below with reference to FIGS. 7 and 8.
  • the representation according to FIG. 7 shows the input of specified information in contrast to the abstract representation according to FIG. 6.
  • process step 1 i.e. in production step 1 "hole drilling" is specified here, in product feature 1.1 (see FIG. 6) "hole diameter” is specified here (in FIG. 7) and in the product process "13 mm +/- x" is specified here, where x stands for the manufacturing tolerance.
  • a caliper is specified as the test equipment and the sample size and sample frequency are 100%, which means that testing is carried out continuously and each individual workpiece must be checked.
  • the control plan of view S3 therefore specifies for each production step which product and process characteristics have to be checked in production.
  • the measuring equipment and the values to be measured with their tolerances as well as the scope and frequency of the samples to be measured.
  • FIG. 8 shows in the left part in view S2 the graphical tree structure already known from FIG. 3 with the difference that the change in the legend made in view S1 according to FIG. 5 for production step 1 has been updated here. Furthermore, the cause element required for reasons of logical consistency was introduced in view S2, which was enforced by the information entered in view S3 (FIG. 7).
  • the manufacturing step 1 is in view S2 marked and view S4 shows the information on the marked element of view S2.
  • the view S4 shown in the right part of FIG. 8 represents an alternative form of representation of the information entered in FIG. 7.
  • Fig. 7 e.g. Entered as a product feature that the hole diameter may be 13 mm +/- x. This implies that the error can occur in this process, that the required level is not met, and that a cause must exist for this. Since the actual cause cannot be known to the system, it merely enters a "cause element", which is, however, placed in the logically correct position, namely the position behind the production step in which this error can occur.
  • views S2 and S4 are shown one below the other, whereas view S2, in contrast to FIG. 8, does not mark manufacturing step 1, but rather the cause element.
  • the marking of the original Item element in view S2 has the result that the information dependent thereon is shown in view S4.
  • the system automatically assigned a "cause function" to the "cause element” and a "cause for the error in product feature 11" to the cause function.
  • the cause element, the assigned cause function and the cause for the error in product feature 11 are automatic
  • the cause element could be the worker who was drilling the hole
  • the cause function could be the selection of the correct drill by the worker
  • the cause of the error could be an incorrect choice of the drill
  • the respective user has to specify the possible context of errors as an example
  • the system itself can only make general and abstract relationships and references to the logically required positions of the data model (as described).
  • FIG. 11 shows that the system generates a message H as a message if objects have been generated by the system for reasons of logical consistency.
  • the user has the option of creating a bookmark here, as well as the further options of not creating any further bookmarks for automatically generated objects or of no longer displaying this message. If the user decides to create a bookmark, this bookmark is stored in a "Personal Information Manager".
  • a view S6 of the "Personal Information Manager” is shown in the illustration according to FIG. This shows, among other things, the bookmark automatically generated in FIG. 11.
  • the "Personal Information Manager” is the central one Collection point for all automatically generated bookmarks. This central collection point in the complex system can be used to jump to the corresponding point in the data model in the view preferred by the user.
  • the bookmark marked "Cause of error in product feature 11" as shown in FIG. 12 the system internally stored the view from which the user object was created which forced the automatic generation of the objects and opens when the menu item "Go to object” is activated. automatically this view.
  • a so-called error network shows the causes and effects of errors. Examples for example, for the error “the gearbox does not guarantee environmentally sound and reliable operation”, a section is shown showing the direct and indirect causes of this error in the technical product “gearbox”", directly secured, which is symbolized by the rhombus.
  • the error described in the middle column” gear housing does not seal the oil space from the environment "is marked by a one-way street symbol, which means that this error is not secured.
  • the error “gearbox does not guarantee environmentally sound and reliable operation” is symbolized by a triangle placed at the top, which means that the error is partially protected.
  • the warning signals WS1 in the case of errors b and f indicate that F is not a subsystem of B. Accordingly, the warning signals WS1, WS2 for errors c and a2 indicate that A is not a subsystem of C, in particular WS2 indicates that A is even a higher-level system of C. This information can be found in the opposite arrows of the warning symbol WS2.
  • FIG. 16 shows the so-called method assistant against the background of a simple data model that is visualized in views S2 and S4. Based on the analysis of the model shown in views S2 and S4, the assistant makes a number of suggestions that are visualized in view S9. The user can trigger the corresponding action by selecting a suggestion, whereby the model is changed (refined or expanded). In view S10, the assistant gives the user an overview of the actions already carried out.
  • a view S11 shows how a strategy used by the adviser is designed. It consists of a series of tests that are applied to the model. The user can influence the order in which these tests are carried out and the status of the tests, ie whether they are required, optional or irrelevant. This enables the user to define their own company-specific standards for advisory strategies, the strategy of the adviser being controlled by rules and the rules being defined by the user.
  • the invention thus relates to a system and a method for creating process sequences, in particular for quality assurance in the processes to be described, with at least two display interfaces 01 .. On for displaying the process sequences Pl .. Pn in different views Sl..Sn , it is proposed that the data structures of the process sequences Pl .. Pn of the different views Sl .. Sn have a common data model 2, the basis of the data model 2 being a data structure with memories SP assigned to the different process sequences Storage of the process sequences to be created and / or visualized is, the information data (I), which are required in several of the process sequences, being stored in a common data memory SP common to the different views.
  • the information data (I) which are required in several of the process sequences, being stored in a common data memory SP common to the different views.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

L'invention concerne un système et un procédé de réalisation de déroulements de processus, destinés en particulier à garantir la qualité dans lesdits processus. Ledit système est composé de deux surfaces de représentation (O1 On) destinées à représenter les déroulements de processus (P1 Pn) sous différentes vues (S1 Sn). Pour une visualisation consistante des déroulements de processus dans les différentes vues, les structures de données des déroulements de processus (P1 Pn) des différentes vues (S1 Sn) présentent un modèle de données commun (2). La base du modèle de données (2) est une structure de données affectée aux différents déroulements de processus et comportant des mémoires (SP) destinées à enregistrer des données d'informations (IP) pour les déroulements de processus à réaliser et/ou à visualiser, les données d'informations (I) requises dans plusieurs des déroulements de processus étant enregistrées dans une des mémoires (SP) commune aux différentes vues (S1 Sn).
PCT/DE2001/000365 2000-02-04 2001-01-30 Systeme et procede de realisation d'un modele de produits et/ou de deroulements de processus techniques et visualisation de ces modeles WO2001057606A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10190356T DE10190356D2 (de) 2000-02-04 2001-01-30 System und Verfahren zur Erstellung eines Modells von technischen Produkten und/oder Prozeßabläufen und deren Visualisierung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10004894 2000-02-04
DE10004894.3 2000-02-04

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WO2001057606A1 true WO2001057606A1 (fr) 2001-08-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003038538A1 (fr) * 2001-10-22 2003-05-08 Siemens Aktiengesellschaft Systeme et procede pour representer de façon dynamique l'etat actuel d'une tache en relation avec un etat cible
WO2003040842A1 (fr) * 2001-11-09 2003-05-15 Siemens Aktiengesellschaft Chargement de donnees dans un systeme d'automatisation
EP1923755A1 (fr) * 2006-11-20 2008-05-21 Siemens Aktiengesellschaft Procédé de représentation commune d'organigrammes

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4965743A (en) * 1988-07-14 1990-10-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Discrete event simulation tool for analysis of qualitative models of continuous processing system
US5528752A (en) * 1991-01-11 1996-06-18 Canon Kabushiki Kaisha Fault diagnosis using simulation
WO1997012301A1 (fr) * 1995-09-25 1997-04-03 Siemens Aktiengesellschaft Procede de conception pour systemes industriels et systemes de construction, et systeme de planification assiste par ordinateur a utiliser dans le cadre dudit procede
EP0785491A2 (fr) * 1996-01-29 1997-07-23 Toyota Jidosha Kabushiki Kaisha Méthode et système de gestion d'information relative au montage et d'information relative à la production

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965743A (en) * 1988-07-14 1990-10-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Discrete event simulation tool for analysis of qualitative models of continuous processing system
US5528752A (en) * 1991-01-11 1996-06-18 Canon Kabushiki Kaisha Fault diagnosis using simulation
WO1997012301A1 (fr) * 1995-09-25 1997-04-03 Siemens Aktiengesellschaft Procede de conception pour systemes industriels et systemes de construction, et systeme de planification assiste par ordinateur a utiliser dans le cadre dudit procede
EP0785491A2 (fr) * 1996-01-29 1997-07-23 Toyota Jidosha Kabushiki Kaisha Méthode et système de gestion d'information relative au montage et d'information relative à la production

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003038538A1 (fr) * 2001-10-22 2003-05-08 Siemens Aktiengesellschaft Systeme et procede pour representer de façon dynamique l'etat actuel d'une tache en relation avec un etat cible
US7809594B2 (en) 2001-10-22 2010-10-05 Siemens Aktiengesellschaft System and method for the dynamic representation of the actual state of a task in relation to a target state
WO2003040842A1 (fr) * 2001-11-09 2003-05-15 Siemens Aktiengesellschaft Chargement de donnees dans un systeme d'automatisation
US7231398B2 (en) 2001-11-09 2007-06-12 Siemens Aktiengesellschaft Provision of information in an automation system
EP1923755A1 (fr) * 2006-11-20 2008-05-21 Siemens Aktiengesellschaft Procédé de représentation commune d'organigrammes

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