EP1789896A2 - Procédé de recherche d'un modèle de construction semblable - Google Patents

Procédé de recherche d'un modèle de construction semblable

Info

Publication number
EP1789896A2
EP1789896A2 EP05784748A EP05784748A EP1789896A2 EP 1789896 A2 EP1789896 A2 EP 1789896A2 EP 05784748 A EP05784748 A EP 05784748A EP 05784748 A EP05784748 A EP 05784748A EP 1789896 A2 EP1789896 A2 EP 1789896A2
Authority
EP
European Patent Office
Prior art keywords
design
design model
replacement
ent
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Withdrawn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
EP05784748A
Other languages
German (de)
English (en)
Inventor
Ulrich Saelzer
Thomas Ulm
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1789896A2 publication Critical patent/EP1789896A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/30—Circuit design

Definitions

  • the invention relates to a method, a data processing system and a computer program product for automatically searching for a computer-accessible design model of an electronic library.
  • DE 10240940 A1 discloses a computer system and a method for comparing three-dimensional bodies. Data of a previously selected body is input via a data input unit. A database automatically searches for bodies that are similar to the selected body.
  • the invention has for its object to provide a method having the features of the preamble of claim 1 and a Vor ⁇ direction with the features of the preamble of claims 27 and 29, which allow a user to gradually refine the search until one for his An ⁇ applications suitable design model is found.
  • a replacement design model is calculated for each of these design models and then, using this replacement model, a set of attribute values of the design model is calculated.
  • a computer-available design of a component is specified.
  • a replacement design as well as a set of attribute values for the replacement design are calculated.
  • the distance of the attribute value set of this design model to the attribute value set of the replacement draft is calculated.
  • the design model is determined which has the smallest distance to the design.
  • the second phase is carried out at least twice. In the first embodiment, as described above, a construction model is determined which has the smallest distance from the given design. In the second implementation, this determined design model is used as the default design.
  • the invention makes it possible to automatically find, under the given design models, such a design model that is the same or similar to the given design.
  • the invention requires no textual queries or speci fi cations for a search. Such textual queries inevitably depend on the terms used in each case. As well known in particular by searches on the Internet, the result of text searches depends on the terms used and on the language.
  • the invention does not depend on the particular language of a designer from whom a given design model originates.
  • the invention saves a manual classification of the given design models and exclusively uses the automatically calculated attribute values for the determination of a similar design model.
  • the invention allows a user to refine the search step by step until a design model suitable for his applications is found.
  • the invention reduces the risk of redundant work. It reduces the risk of producing a design model for the same component several times. Furthermore, it reduces the risk that a component will be redesigned, although a design model could be reused.
  • the invention makes it possible to search for a design for similar design models, rather than merely determining which of the given design models are similar to each other.
  • the invention facilitates and supports the introduction and use of identical parts in different ways Variants of a technical product, such as a motor vehicle. It supports the training of new designers who use the invention to look for proven and approved solutions for similar design tasks. It supports the exchange of know-how and the "knowledge management" between designers at different locations, who specify their design models for the process and have access to the other predefined design models.These constructors use the method to develop similar solutions to find other designers in other locations.
  • the method makes it possible to use an electronic library composed of various electronic sub-libraries, e.g. B. from sub-libraries of different manufacturers of components or Sys ⁇ systems in which these components are used.
  • a search for the most similar design model can be carried out without first having to change and unify the different design models. In particular, it is not necessary to describe the given design models with uniform keywords or parameter values.
  • design models in various data formats are stored in an electronic library.
  • the method uses the design models of this library.
  • the method according to the invention generates a replacement design model from each of these design models in the uniform geometry representation data format. It is not necessary to specify in advance a uniform data format for the electronic library and z. B. only design models in this uniform data format in the library.
  • the replacement design models describe the respective components only as precisely as is necessary for the method according to the invention.
  • a data format which describes the surface of a component is used as the geometry representation data format, preferably with the aid of area elements. Accordingly, the replacement design is also described with the aid of surface elements.
  • FIG. 1 shows the method steps of the first phase
  • FIG. Fig. 2. the process steps of the second phase
  • the embodiment relates to the construction of motor vehicle components.
  • motor vehicles are manufactured in many different variants so that the motor vehicles fulfill different customer requirements.
  • Ange ⁇ is sought to use the same or at least similar components in different variants of motor vehicles to use components in larger quantities. Therefore, it is desirable to reuse design models of components.
  • the method, the construction device and the computer program product enable a designer to find a design model that is similar to the design after producing a first design for a component and to reuse this design model for the new component , This saves the generation of a new design model.
  • Fig. 1 shows the process steps of the first phase.
  • Vorge ⁇ give several computer-accessible design models that are stored in an electronic library 1.
  • three design models KM_1, KM_2 and KM_3 are shown by way of example.
  • these design models are three-dimensional CAD models.
  • the CAD models were created using various CAD tools. It is possible that individual CAD models have been generated by scanning a physical model.
  • the electronic library 1 belongs to a data processing system for product data management (also known as "engineering data management").
  • This embodiment makes it possible to create a data Reuse processing system that is used anyway for product development, and saves the Metel ⁇ ment of its own database for the process. Furthermore, this embodiment makes it possible to use the design models used anyway in the production process.
  • only finished and released design models are set in the library 1. Whenever another design model is finished and released, it is placed in the library 1. A finished and released new construction stage of a design model preferably replaces an older design version of the same design model in the library 1.
  • design models are set in the library 1, z.
  • different design levels For example, a released design model and at least one more recent, but not yet released, design model are set for the component. The respective release status of a design model is stored.
  • different design levels of the same component are included.
  • design models in different data formats are set in the library 1, for example in different data formats of different CAD tools and / or in standardized data formats.
  • the method does not require a specific data format for design models.
  • the first phase of the process is preferably carried out several times.
  • a generator 2 generates a computer-available replacement design model for each design model of the library 1.
  • FIG. 1 shows three replacement design models EKM_1, EKM_2 and EKM_3 for the three design models KM_1, KM_2 and KM_3 shown.
  • the replacement design models exclusively describe the surfaces of the components and thus of the design models, but not their “inner workings.”
  • Each replacement design model consists of surface elements which have, for example, the shape of triangles or quadrilaterals.
  • the replacement design model is produced, for example, by means of spline surfaces
  • a decomposition of the surface model into surface elements which have the form of triangles is preferably carried out by means of a tessellation, that is, a decomposition of these spline surfaces into three Efficient methods for tessellating are described in T. Akenine-Moller & E. Haines: "Real-Time Rendering", AK Peters, 2nd ed. , 2002, pp. 512 ff.
  • Finite elements are those surface elements whose vertices are defined by these nodes.
  • At least some of the components are, for example, sheets.
  • a given design model for such a sheet describes a central area of the sheet and its thickness, which thickness may vary from location to location of the center area.
  • the middle surface is for example a plane or a surface curved in space.
  • the given design also describes a metal sheet by defining its central area and its thickness.
  • the replacement design models are all created in the same geometry representation data format.
  • the geometry representation data format is preferably the format VRML is used, for example, in U. Debacher: "VRML Introduction", 2003, available at http://www.debacher.de/yrml/yrml.htm, queried on 16 9, 2004.
  • Alternative geometry representation data formats include "Jupiter Tesselation” (JT), also known as “EDS Direct Model (JT)", STL or STEP.
  • a uniform coordinate system 4 for the replacement design models is specified.
  • this coordinate system 4 a plane and an axis are specified in this plane.
  • the origin of the coordinate system lies on this axis and in this plane.
  • the generator 2 positions all replacement design models in the same place and in the same orientation in this coordinate system 4.
  • For each replacement design model preferably two reference axes are calculated by the replacement design model, for example. In the direction of the largest and smallest dimension of the replacement design model.
  • the replacement design model is preferably positioned in the coordinate system 4 such that the reference axis, which extends in the direction of greatest extent, is identical to the predetermined axis and the other reference axis lies in the predetermined plane.
  • a set of calculable design model attributes is predefined.
  • this set consists of the three attributes Att_l, Att_2 and Att_3.
  • the design model attributes are ordinal or interval scaled. They open up a multi-dimensional space.
  • FIG. 1 shows a three-dimensional coordinate system for the three-dimensional space in this example. Because the attributes are ordinal or interval scaled, each attribute forms an axis of an attribute coordinate system 5 for that multi-dimensional space.
  • This attribute Coordinate system 5 has three coordinate axes in the example of FIGS. 1 and 2.
  • design model attributes are: the largest extent of a given design model in a coordinate system specified with this design model, the largest extension of a calculated replacement design model with respect to the predefined coordinate system 4, the three extensions of a replacement design model in x Direction, the y-direction and the z-direction of the coordinate system 4, a geometric parameter of a least cuboid, which completely envelopes a calculated replacement design model, a geometric parameter of a smallest cuboid, which completely envelopes a given design model, a geometrical one Parameter of a smallest ellipsoid completely enveloping a calculated replacement design model, a geometric parameter of a smallest ellipsoid completely enveloping a given design model, the respective volume of the calculated replacement model Design model,
  • the replacement design model being treated as a solid body with the same weight at each location,
  • the volume of the replacement design model it is preferable to calculate the volume of the body bounded by the surface elements of the replacement design model. Accordingly, in order to calculate the surface of the replacement design model, it is preferable to calculate the surface area of that body that is delimited by the surface elements of the replacement design model.
  • the replacement design model is preferably treated as a solid body with the same weight at each location.
  • the replacement design model describes the surface of this body.
  • the center of gravity of this body in the given coordinate system 4 is calculated and functions as the volume center of gravity of the replacement design model.
  • a vector calculator 3 reads in successively the replacement design models, in the example of FIG. 1 thus the three replacement design models EKM_1, EKM_2 and EKM_3. For each replacement design model, the vector calculator 3 calculates the values that the replacement design model for takes the given computer-available design model attributes. These attribute values each form a vector. This vector defines a point in the multidimensional space spanned by the given design model attributes. By way of example, three such points P_1, P_2 and P_3 in the attribute coordinate system 5 are shown in FIG.
  • the vector calculator 3 uses, for example, one of the methods described in H. -P. Kriegel et al. , a.O. or in R. Osada et al. , supra.
  • a pictorial representation of each component is additionally calculated in the first phase.
  • the respective replacement design model as well as a viewer for the uniform geometry representation data format are used in the calculation.
  • all the pictorial representations show the components from the same direction of observation
  • the pictorial representations are used in a customary data format , eg GIF or JPEG.
  • Each attribute value point is preferably stored in the form of a data object.
  • This data object carries a link to the replacement design model and the design model for which the point was calculated, as well as the pictorial representation of the part.
  • the calculations of the first phase are preferably carried out when the data processing systems used for this purpose are not otherwise used, for example at night or at the weekend.
  • a large number, for. B. several hundreds of workstations, each with a high computing power faux ⁇ switched to calculate for each design model of the library each have a replacement design model and then to calculate the vectors with the attribute values.
  • These workstations are z. For example, those with which tion models are generated, edited and placed in the library 1 ein ⁇ . This embodiment makes it possible to use existing data processing systems anyway without restricting their customary use for constructing components.
  • the second phase of the method is preferably used each time a design of a component is present and a component similar to this component is searched for with a design model set in the library 1.
  • the design models of the library 1 are searched.
  • the design models of the library 1 are compared with the design of the component one after the other.
  • the most similar construction model is determined, and preferably an identification and / or a pictorial representation of this most similar design model are output.
  • FIG. 2 illustrates by way of example the steps which are carried out in the second phase.
  • a computer-compatible design Ent Provided is a computer-compatible design Ent.
  • the generator 2 generates a replacement design E-Ent for this component design Ent in the uniform geometry representation data format.
  • the generator 2 positions the replacement design E-Ent at the same location and in the same orientation in the predefined coordinate system 4, for which purpose it calculates the two reference axes as described above.
  • the vector calculator 3 reads the replacement design E-Ent and calculates the attribute values that the design model attributes accept for the replacement design. These attribute values define a point in the attribute coordinate system 5. This point is designated in the example of FIG. 2 with P_E.
  • a distance calculator 6 reads in the attribute values of all replacement design models EKM_1, EKM_2,... That were calculated in the first phase. He also reads in the attribute values of the replacement design E-Ent.
  • FIG. 2 shows by way of example four points P1, P2, P3 and P_E.
  • the distance calculator 6 calculates the distance dist i between the attri- butvalue point P_i of the replacement design model EKM_i and the attribute value point P_E of the replacement design E-Ent in the attribute coordinate system 5.
  • the distance dist_i is preferably calculated according to the following calculation rule: Let Att_l, Att_2,..., Att_N be the N predefined design model attributes. N weight factors ⁇ _l,..., ⁇ _N are specified. Be
  • the attribute value point P3 has the smallest distance to the attribute value point P_E of the replacement design E-Ent.
  • the design model KM-3 is the one in the library 1 which is similar to the design Ent. This result is output, for example, in each of which an identifier of the design model KM_3 and of the component to which this design model KM_3 belongs are output.
  • the reference which the data object carries for P3 is preferably evaluated. A copy of the determined design model KM_3 is generated, and a construction system for editing this copy is opened.
  • the vector calculator 3 can not calculate the value of a particular attribute for the replacement design E-Ent, for example because the replacement design E-Ent was generated at an early stage of the design and does not yet contain any details needed to calculate the value of this attribute.
  • the values of this attribute are not taken into account when calculating the distances. For example, if the value of the Att_3 attribute for the replacement design can not be calculated, the following distances are calculated and used:
  • an identifier of the most similar design model is output, but a sorted list with identifiers of several similar design models. For example, a maximum number M of elements of this listing is specified. The M most similar design models are determined. Or all construction models are determined whose distance dist_i is smaller than a predetermined upper limit. The list is output ascending according to the distance dist_i sorted.
  • an identifier of the similar construction model is named in the listing.
  • this listing additionally shows the pictorial representations of the determined most similar components. These representations were generated with the aid of the determined design models. A user preferably selects one of the components by placing it on one of the components pictorial representations clicks. This selection functions, for example, as the starting point for a new search
  • a user restricts the search.
  • he preferably specifies a desired value or setpoint range for at least one of the predefined N design model attributes. For example, it sets a target range for the largest extent of the design model or the replacement design model.
  • the search for the similar design model is restricted to those design models whose respective attribute value falls within the specified range.
  • a further embodiment of this development uses values of at least one parameter whose values can not be calculated from the given design models KM_1, KM_2,. Instead, these values are stored in the library 1.
  • each design model is characterized by a value of this parameter. Examples of such a parameter are: a part number of the respective component,
  • the user specifies at least one search criterion relating to one of these parameters. For example, the user specifies a time, and is searched only under den ⁇ those construction models that have been released after this time. Or the user specifies an upper limit for the production costs, and is sought only among those design models that refer to components whose production costs are below the upper limit.
  • each replacement design model is selected, which fulfills all prescribed restrictions on the design model or the associated replacement design model.
  • the distance of the attribute value point to the attribute value point P_E of the replacement design E-Ent is calculated.
  • the search for the most similar construction model is carried out only among the selected construction models.
  • the calculated attribute values and the characteristic parameter values of these determined components are also output.
  • the manufacturing costs of the M determined components are issued.
  • the respective largest extent of the calculated replacement design model is output. This makes it easier for a user to select one of the determined M most similar components.
  • a user specifies a desired range or a desired value for at least one of the predefined design model attributes.
  • an attribute value of the given design acts as a setpoint.
  • the deviation of the attribute value from the desired value or desired range for example as a percentage deviation. It is possible to output the attribute value as a percentage of the setpoint.
  • the greatest extent of a determined design model should be at least 80% and at most 120% of the largest dimension of the design.
  • the second phase is carried out at least twice.
  • a construction model is determined which has the smallest distance from the given design.
  • this determined design model is used as the default design.
  • the steps of calculating the replacement design as well as the attribute values for the replacement design need not be carried out because the attribute values are reused for the design model determined during the first execution.
  • the distance between the attribute values of the determined design model and the attribute values of each other predetermined design model is determined.
  • the predefined design model is determined which has the smallest distance to the design model determined during the first implementation. It is possible to carry out the second phase a third time and a quarter times, wherein the design model used in the previous implementation is used as the design and among the design models not yet determined the one with the smallest distance to the design model used as the design is determined ,
  • the fact is taken into account that the library 1 is constantly updated, for example by completing, releasing and setting new design models in the library, supplementing the library 1 with another design model or design for the same component, a design model for a component through another design model for the same Component is replaced or a design model is removed from the library 1.
  • the first phase of the method is carried out again after a predetermined period of time. As a result, attribute value vectors of replacement design models are shifted, additional attribute value vectors for replacement design models of new design models are recorded, and attribute value vectors are removed.
  • replacement design models are not calculated for all design models, but only for those which have been changed in the period since a predetermined time.
  • This predefined point in time is, for example, the previous execution of the first phase or a point in time which lies a predetermined period of time before the time at which the first phase is carried out again. It is determined in advance which design models have been changed in the library 1 since the given time. Only for these design models is the first phase carried out again with calculation of the respective replacement design model and the attribute values. In addition, a data object for an attribute value point is deleted if "its" design model is no longer present in the library 1.
  • the first phase is carried out again every night in order to be able to use workstations that do not otherwise use them
  • Replacement design models and attribute values are calculated for those design models that have been accessed at least once in writing and / or reading during the last four weeks.
  • the first phase is performed at least once a week, for example over the weekend.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

Procédé et dispositif de recherche automatique d'un modèle de construction disponible par informatique semblable ou identique d'une bibliothèque électronique. Plusieurs modèles de construction de pièces sont prédéfinis. Lors d'une première phase, un modèle de construction de remplacement est calculé pour chacun de ces modèles de construction et un ensemble de valeurs d'attributs (Att_1,...) du modèle de construction est calculé à l'aide de ce modèle de remplacement. Lors d'une seconde phase, un projet (Ent) disponible par informatique d'une pièce est prédéfini. Un projet de remplacement (E-Ent) ainsi qu'un ensemble (P_E) de valeurs d'attributs pour le projet de remplacement (E-Ent) sont calculés. Pour chaque modèle de construction prédéfini, l'écart (dist_1,...) entre l'ensemble de valeurs d'attributs de ce modèle de construction et l'ensemble des valeurs d'attributs du projet de remplacement (E-Ent) est calculé. Le modèle de construction déterminé est celui qui possède l'écart le plus faible par rapport au projet (Ent).
EP05784748A 2004-09-17 2005-09-16 Procédé de recherche d'un modèle de construction semblable Withdrawn EP1789896A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004045682 2004-09-17
DE102004053034A DE102004053034A1 (de) 2004-09-17 2004-11-03 Verfahren zur Suche nach eiem ähnlichen Konstruktionsmodell
PCT/EP2005/009979 WO2006029882A2 (fr) 2004-09-17 2005-09-16 Procédé de recherche d'un modèle de construction semblable

Publications (1)

Publication Number Publication Date
EP1789896A2 true EP1789896A2 (fr) 2007-05-30

Family

ID=35811616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05784748A Withdrawn EP1789896A2 (fr) 2004-09-17 2005-09-16 Procédé de recherche d'un modèle de construction semblable

Country Status (4)

Country Link
US (1) US20080184185A1 (fr)
EP (1) EP1789896A2 (fr)
DE (1) DE102004053034A1 (fr)
WO (1) WO2006029882A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1574988B1 (fr) * 2004-03-08 2014-06-18 Siemens Product Lifecycle Management Software Inc. Détermination et utilisation de données de caractéristiques géométriques
US8818544B2 (en) 2011-09-13 2014-08-26 Stratasys, Inc. Solid identification grid engine for calculating support material volumes, and methods of use
US8725763B2 (en) * 2011-11-23 2014-05-13 Siemens Product Lifecycle Management Software Inc. Massive model visualization with spatial indexing
US20130297062A1 (en) * 2012-05-03 2013-11-07 Alberto Daniel Lacaze Field Deployable Rapid Prototypable UXVs
IN2013MU04141A (fr) * 2013-12-31 2015-08-07 Dassault Systemes
US9636872B2 (en) 2014-03-10 2017-05-02 Stratasys, Inc. Method for printing three-dimensional parts with part strain orientation
US10614632B2 (en) 2015-04-23 2020-04-07 Siemens Industry Software Inc. Massive model visualization with a product lifecycle management system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5461709A (en) * 1993-02-26 1995-10-24 Intergraph Corporation 3D input system for CAD systems
US6285805B1 (en) * 1999-01-25 2001-09-04 International Business Machines Corp. System and method for finding the distance from a moving query point to the closest point on one or more convex or non-convex shapes
US6295513B1 (en) * 1999-03-16 2001-09-25 Eagle Engineering Of America, Inc. Network-based system for the manufacture of parts with a virtual collaborative environment for design, developement, and fabricator selection
JP4083949B2 (ja) * 1999-03-18 2008-04-30 株式会社リコー 可逆な丸め操作による曲面モデルの生成方法及びその曲面モデルからの格子ポリゴンモデル生成方法及びそれらの方法を実行するための記録媒体、及び曲面モデルの伝送／表示方法
JP2000322573A (ja) * 1999-05-06 2000-11-24 Canon Inc 画像処理方法及びその装置
US7123985B2 (en) * 2002-04-12 2006-10-17 Johnson & Johnson Vision Care, Inc. Design build test cycle reduction
DE10240940A1 (de) * 2002-09-02 2004-03-18 Cadenas Konstruktions-, Softwareentwicklungs- Und Vertriebs-Gmbh Computersystem und Verfahren zum Vergleichen von Datensätzen dreidimensionaler Körper

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006029882A2 *

Also Published As

Publication number Publication date
DE102004053034A1 (de) 2006-04-13
WO2006029882A3 (fr) 2007-01-25
WO2006029882A2 (fr) 2006-03-23
US20080184185A1 (en) 2008-07-31

Similar Documents

Publication Publication Date Title
DE69032387T2 (de) Vorrichtung und Verfahren zum rechnergestützten Entwurf von Blechteilen
DE60008264T2 (de) Datenaustausch zwischen cad-systemen
DE3855170T2 (de) Herstellungssystem unter Verwendung von dreidimensionalen graphischen Modellen
DE69737913T2 (de) Gerät und verfahren zur eingabe von daten fuer ein biegemodell zur blecherzeugung
EP1741012B1 (fr) Determination d'operations de processus pour la description de processus de formage sur une piece formee
DE69233037T2 (de) Automatisiertes neues Layout mit dimensionaler Verknüpfung
EP1789896A2 (fr) Procédé de recherche d'un modèle de construction semblable
DE69910174T3 (de) Wissensbasierter Entwurfsoptimierungsprozess für Verbundwerkstoffe und System dafür
DE10025583A1 (de) Verfahren zur Optimierung integrierter Schaltungen, Vorrichtung zum Entwurf von Halbleitern und Programmobjekt zum Entwerfen integrierter Schaltungen
DE69912046T2 (de) Verfahren und Gerät zur Erzeugung eines Netzes
DE4303071A1 (de) Verfahren und Vorrichtung zur Randbewertung in einer Nicht-Mannigfaltigkeits-Umgebung
DE68917125T2 (de) Verfahren zur Erzeugung von graphischen Modellen und rechnergestütztes Entwurfssystem.
WO2020025389A1 (fr) Procédé mis en oeuvre par ordinateur et système pour fournir une chaîne de blocs hiérarchique composée de chaînes de blocs
EP1397730A1 (fr) Procede permettant de determiner les effets de decisions de conception
DE60101097T2 (de) Generierung eines Zeichensymbols in einer Zeichnung
DE19817583B4 (de) Verfahren und System zur Datenverarbeitung für dreidimensionale Objekte
EP1820160A1 (fr) Procede pour realiser des dessins techniques a partir de modeles tridimensionnels comportant au moins deux elements tridimensionnels en collision
WO2020064761A1 (fr) Procédé, produit-programme informatique et dispositif informatique pour l'évaluation de modèles de subdivision volumétrique
DE10129654B4 (de) Verfahren, Vorrichtung und Computerprogramm-Produkt zum Ermitteln von Auswirkungen von Konstruktionsänderungen
DE102004055898B4 (de) Verfahren für das Packen einer Vielzahl von Kabeln und Vorrichtung, die dieses verwendet
DE102016103118A1 (de) Verfahren zur Herstellung eines 3D-CAD-Modells, Verwendung des 3D-CAD-Modells, Computerprogrammprodukt und System zur NC-Bearbeitung
DE10056765A1 (de) Generieren von Statistiken für Datenbankabfragen mit Hilfe von Tensordarstellungen
WO2004003798A2 (fr) Systeme de production d'informations pour creation de produits
EP1316051B1 (fr) Procede de modification de la conception d'un composant
EP3901713A1 (fr) Procédé et système de fonctionnement d'une installation technique dotée d'un modèle optimal

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070224

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DAIMLER AG

RBV Designated contracting states (corrected)

Designated state(s): DE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20100716