EP3912072A1 - Volumenmodellerzeugung für mehrkomponentige objekte - Google Patents
Volumenmodellerzeugung für mehrkomponentige objekteInfo
- Publication number
- EP3912072A1 EP3912072A1 EP19832286.9A EP19832286A EP3912072A1 EP 3912072 A1 EP3912072 A1 EP 3912072A1 EP 19832286 A EP19832286 A EP 19832286A EP 3912072 A1 EP3912072 A1 EP 3912072A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- model
- volume
- models
- construction
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/02—CAD in a network environment, e.g. collaborative CAD or distributed simulation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/20—Configuration CAD, e.g. designing by assembling or positioning modules selected from libraries of predesigned modules
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/18—Manufacturability analysis or optimisation for manufacturability
-
- 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 the field of automatic or semi-automatic production.
- the invention relates to a method, a computer program
- Electromechanical objects such as geared motors, are offered in numerous configuration variants, such as the speed provided, the
- Gearbox variants, motor variants and housing variants can affect.
- a number of variants of more than 10 9 is not uncommon.
- a specific configuration variant can be ordered online, after which a volume model of the corresponding object is then made available, with which the possible installation of the object in a technical system can be checked using its construction model.
- the volume model is generally created by hand since cavities projecting into the object cannot be distinguished from an interior of the object, which should be filled in a volume model.
- One aspect of the invention relates to a method for providing a volume model for a mechanical object and / or component that is constructed from several components.
- the method is carried out automatically by a computer system which optionally has several computers.
- a mechanical object comprises one or more solid bodies.
- the object has a solid model, while its components each
- the object has a construction model, while its components each have a component construction model. While both models include data about three-dimensional properties of the object, a solid model only concerns the outer shape of an object, optionally with physical parameters that relate to an interaction of the object with its environment. In contrast, a construction model also includes data about properties of the object in relation to its interior components.
- model is referred to in the following, both a solid model and a construction model are meant.
- the object is a mechanical and in particular an electromechanical object, such as an electric motor or a geared motor.
- the object comprises a housing, a gear, an electric drive and their components as components.
- the method comprises: receiving configuration parameters for the object, the configuration parameters specifying the components from which the object is constructed and / or the type of the respective component.
- the configuration parameters indicate how the object is structured. This includes parameters such as existing and nonexistent components and
- Configuration parameters the lengths and / or design types of housing components of the object.
- the components of the object are the parts of the object from which the object is built.
- the components include housing parts, shafts, flanges, bearings, gear wheels, electrical coils and / or magnets.
- the method comprises: generating a
- Construction model for the object from component construction models of the
- Component construction model for each component is stored in a data collection, and wherein a component construction model has at least one outer surface of the
- Component was stored in the data collection.
- the method further comprises: generating the volume model for the object from component volume models of the components, the component volume models being superimposed on one another and outer surfaces of component volume models that are in an interior of another
- Component volume model are included and / or adjacent to outer surfaces of another component volume model, removed.
- the data collection also stores how the components and / or the associated models, that is to say the component construction models and / or the
- Component volume models are put together spatially, for example by means of translations and / or rotations to one another, in order to obtain the object and / or the overall model.
- the component volume models are combined into a model and / or superimposed.
- the result is a superimposed model in which surfaces of one component are present in the interior of another component. These surfaces or parts of these surfaces are then removed, so that a volume model of the object is created which has a single interior space and surfaces defining this interior space.
- the solid model only defines the outer edges and outer surfaces of the object, but no inner structure, the memory consumption of the solid model is smaller than that of the construction model. In this way, the solid model is faster over
- component volume models are generated from the component construction models in which an interior of the respective
- Component construction model is filled. For example, a
- Component volume model generated from a component construction model in which it is virtually completely poured out on the inside, so that it corresponds to a solid body. It is possible that a component volume model only the outer surfaces of one
- Has component and / or the associated component construction model The outer surfaces of a component volume model of a component correspond to the outer surfaces of the component construction model of the component.
- component volume models are generated from basic component volume models as a function of the configuration parameters, each basic component volume model together with a
- Component construction model for the component is stored in the data collection.
- Base component volume models and base component construction models are stored in the data collection, such as a plurality of files that are stored in a computer or a database. There is one for each component
- Component construction model a basic component construction model and / or a basic component volume model available. These models are stored, for example, by a designer in the data collection.
- the basic models serve as a starting point for generating the concrete models from the configuration parameters. For example, with a case length as
- Configuration parameters scaled the length of the housing in the corresponding basic model to obtain the specific model.
- the basic models store how the basic model must be changed based on the configuration parameters in order to generate the respective concrete model.
- a component volume model and / or basic component volume model is defined by means of a plurality of surfaces enclosing an interior of the component.
- the areas are defined by points that define their corners and / or a wireframe.
- the surfaces separate the interior from an environment of the
- Construction model differentiated, since the interior is defined in a solid model, while this is not the case with a construction model that has voids inside.
- the method further comprises: embedding the volume model in a system construction model of a technical system that includes the object. For example, numerous objects of the same shape are installed in a technical system. With the solid model, these objects are planned into the construction model of the technical system without the processing of the construction model becoming problematic.
- the method further comprises:
- a collision check determines whether the installation space of the object overlaps with an installation space of another component of the technical system.
- the volume model is generated in a first computer and sent to a second computer.
- Data communication network such as the Internet
- the collision check is carried out, for example, in the second computer.
- physical parameters are assigned to each component volume model. These physical parameters are then also assigned to the volume model of the object. This assignment is made, for example, via Aggregation rules that are stored in the data collection. For example, the weight of the components is added to the weight of the object.
- the physical parameters include material parameters.
- the material parameters include a type of material, a material, a thermal conductivity and / or a weight. For different types of materials from
- Components is defined as a rule when aggregating which components the
- Interfaces are created that separate areas of different material parameters.
- the physical parameters include mechanical parameters.
- the mechanical parameters include, for example, rotatability about an axis and / or mobility in a spatial area and / or along an axis.
- a wave of the object is identified as rotatable in the volume model.
- a volume model with intermediate surfaces is created that separates areas with different mechanical parameters.
- the method further comprises: simulating the object in a construction model of a technical system based on the physical parameters. For example, it is checked whether the space over which moving parts run over collides with other objects in the technical system. It is also checked which materials of which objects come into contact with one another in order
- the simulation takes place, for example, in the second computer mentioned above.
- a component volume model has a depression, a cavity and / or a concave region. If a volume model is generated from a construction model, in which an outer shape of the
- Design model is determined, it is possible that holes that protrude into the object, such as screws, shafts, etc. are hidden. For this reason, additional component volume models are created, which are adapted, for example, by the designer of the construction model. It is no further necessary to adapt a component volume model and / or a basic component volume model if only the interior of the construction model changes.
- the method further comprises: manufacturing the object based on the construction model of the object.
- the construction model is transmitted to a manufacturing plant for the real manufacture of the object.
- the object comprises housing components, internal components and / or mixed components. These types of components are used to decide for which component a solid model is to be generated and / or which aggregation rules for compiling the solid model for the object
- a housing component is a component which has a part of a housing of the object and / or which is then assigned a volume model for outer surfaces of the housing.
- An inner component is a component that is completely inside of one
- Housing component is arranged and / or no volume model is assigned.
- Examples of internal components are gearwheels and electrical components of an electric motor.
- a mixing component is a component that is arranged both inside and outside a housing component.
- components are, for example
- An example of a mixed component is a wave.
- Computer program is, for example, executed by several computers.
- Computer-readable medium is, for example, a hard disk, a USB storage device, a RAM, a ROM, an EPROM or a FLASH memory.
- a computer-readable medium is also, for example, a data communication network, such as the Internet, which enables program code to be downloaded.
- Another aspect of the invention relates to a system for providing a solid model. The system is set up to carry out the method as described above and below.
- the system comprises a first computer and a second computer, which are connected to one another via a data communication network, such as the Internet.
- the first computer is set up to generate the volume model based on the configuration parameters.
- the second computer is set up to check the installation of the object in a technical system using the volume model.
- the first computer is designed to carry out the following steps: receiving configuration parameters for the object, the configuration parameters specifying the components from which the object is constructed and / or the type for the respective component; Generating a construction model for the object from component construction models of the
- Component construction model for each component is stored in a data collection, and wherein a component construction model has at least one outer surface of the
- Component volume models of the components being superimposed on one another and outer surfaces of component volume models which are contained in an interior of another component volume model or adjoining outer surfaces of another component volume model being removed.
- the second computer is designed to carry out the following steps: generating the configuration parameters and sending the configuration parameters to the first computer and / or receiving the volume model from the first computer.
- the system is designed to make a design model of a technical system plausible.
- the second computer is further designed to carry out the following steps: embedding the volume model in an Construction model of a technical system that includes the object; and
- Volume model also includes physical parameters, it is possible that the second computer is designed to use the volume model in one
- Fig. 1 shows schematically a cross section through an object.
- FIG. 2 schematically shows construction models for components of the object from FIG. 1.
- FIG. 3 schematically shows volume models for components of the object from FIG. 1.
- FIG. 4 schematically shows a computer system according to an embodiment of the invention.
- FIG. 5 shows a flow diagram for a method according to an embodiment of the invention.
- FIG. 6 schematically shows a volume model for the object from FIG. 1.
- EMBODIMENTS 1 schematically shows an object 10, such as a geared motor, which consists of a
- Electric motor 12 and a transmission 14 is constructed.
- Object 10 is made up of several components
- Components 16 constructed, such as a motor housing 16a, a motor shaft 16b, electrical components of the motor 16c, a gear housing 16d, a gear shaft 16e and other gear components 16f, such as gears, and bearings.
- the object 10 and / or components 16 thereof have cavities 18 and / or depressions 18 'which are either completely enclosed or connected to the surroundings of the object 10.
- FIG. 2 schematically shows component design models 20 for certain
- Components 16 of the object 10 for example for the transmission housing 20a, the motor shaft 20b, the transmission shaft 20e and the transmission housing 20d. It is to be understood that all components 16 of the object 10 have such component construction models 20.
- the component construction models 20 have basic construction models
- Parameters 22 are shown as examples, which relate to lengths of protrusions and housings. Further possible configuration parameters 22 are listed further above.
- the component construction models 20 of the components 16 are connected to one another to form a construction model 44 for the object 10, from which the object 10 is then manufactured.
- component construction models 20 have cavities 24 in the interior, in which further components 16 are arranged, for example. Due to openings to the outside, it is difficult to distinguish where the interior of a component 16 begins and / or which components of the interior are assigned to a cavity 24 or not.
- FIG. 3 schematically shows component volume models 26 for certain components 16 of the object 10, for example for the transmission housing 26a, the motor shaft 26b
- the component volume models 26 depict the outer shape of the respective component 16, with cavities 24 in each case the component construction models 20 were partially filled.
- Component volume models 26 however, have desired depressions 28 that provide information about the outer shape of the object 10.
- the component construction models 20 and optionally the component volume models 26 are created, for example, using CAD software and stored in corresponding CAD files. It is also possible for some or all of the component volume models 26 to be generated from the component construction models 20. In this case, an interior of the component construction model 20 is filled into a component 16 in order to
- Component volume model 26 for component 16 for component 16.
- the interior of a component 16 is defined in the respective component construction model 20 and / or is calculated for it. Filling means that surfaces that lie in the interior of component 16 are removed and / or that outer surfaces that delimit the interior but have no exterior surfaces in component construction model 20 are added.
- models 20, 26 are based on wireframes and / or are defined by their corner points and edges. As can be seen in FIG. 3, the
- Component volume models 26 compiled from outer surfaces 27, one
- a designer of the respective component 16 of the object 10 creates the
- Component design models 20 with the CAD software and / or adapt them.
- a component volume model 26 to a component construction model 20 of a component 16 is only adapted if the external shape of the component 16 changes. Changes in the interior and / or in the interior of the component need not have any effect on the component volume model 26.
- a component volume model 26 also consists of one
- Component design models 20 is calculated.
- each component volume model 26 is assigned physical parameters 30.
- the physical parameters 30 include, for example
- Material parameters 30a such as a type of material, thermal conductivity, and weight.
- the physical parameters 30 also include, for example, mechanical parameters 30b, such as rotatability about an axis and / or mobility in one
- FIG. 4 shows a system 32 in which the component construction models 20 and optionally the component volume model 26 and / or basic versions thereof are stored.
- the system 32 comprises a first computer 34 and a second computer 36, which for
- Base volume models 26 'of components 16 are stored in a data collection 40, which is, for example, a database or a collection of files stored in a file system.
- a software module 42 is stored and executed, which consists of configuration parameters 22 and basic construction models 20 '
- Component construction models 20 of components 16 are generated for an object 10 and a construction model 44 for the object 10 is generated from the component construction models 20 of the components 16. Furthermore, it is possible that the software module 42 generates component volume models 26 from some or all of the component construction models 20, approximately as described above. Optionally, the software module 42 is also designed to generate component volume models 26 of components 16 for an object 10 from the configuration parameters 22 and basic volume models 26 ′.
- the software module 42 converts the component volume models 26 into one
- Volume model 46 generated for the object 10.
- construction model 44 is then sent to a production plant 45, which thus manufactures the object 10.
- This object 10 or a plurality thereof will then be installed in a technical system 48, for example.
- the volume model 46 is used to check whether the object 10, which is to be manufactured, for example, based on the configuration parameters 22, can also be easily installed in the system 48.
- the second computer 36 initially has a configurator 50 with which the
- Configuration parameters 22 can be compiled.
- the configurator is 50 a software module that is provided, for example, by the first computer 34 and is executed in a browser of the second computer 36.
- the second computer 36 has a simulator 52, which receives the volume model 46 of the object 10 after the configuration.
- the volume model 46 is then integrated into one by the simulator 52, for example a software module in the second computer 36
- FIG. 5 shows a flow diagram for a method that can be carried out by the system 32.
- the volume model 46 is generated for the object 10, so that the
- System design model 54 for the technical system 48 can be checked for plausibility and the object 10 can be manufactured after the system construction model 54 for the technical system 48 has been checked for plausibility.
- step S10 the configuration 50 is used to configure the object 10
- step S12 the first computer 34 generates the volume model 46 for the object 10.
- component construction models 20, as described above, are generated based on the configuration parameters 22, and component volume models 26 are then calculated from the component construction models 20 from the component construction models 22.
- Base component volume models 26 ' are generated as a function of the configuration parameters 22. As already described further above, different basic component volume models 26 ′ are selected for certain components 16 depending on the configuration parameters 22.
- Base component volume models 26 become dependent on others Configuration parameters 22 adapted to the component volume models 26,
- the first computer 34 then generates the volume model 46 for the object 10 from the component volume models 26 in step S12. This is explained in more detail with reference to FIG. 6.
- the individual component volume models 26 are superimposed on one another, their relative offset and orientation also being stored, for example, in the data collection 40.
- Component volume model 26 are included removed.
- inner surfaces 27 ′ are retained, which separate the areas of the volume model 46 to which different physical parameters 30 are assigned.
- the physical parameters 30 from the component volume models 20 are assigned to the volume model 46 and, if interior areas with the same physical parameters 30, such as material parameters 30a, overlap or meet, are merged.
- inner surfaces 27 "are removed and / or areas are created in the volume model 46 with the same physical parameters 30.
- component volume models 26 are merged and / or superimposed, they are, for example, based on rules that are stored in the first computer 34.
- housing components 16a, 16d which are assigned a volume model 26a, 26d with outer surfaces of a housing
- inner components 16c, 16f to which none of these outer surfaces are assigned
- the physical parameters 30 overwrite housing components 16a, 16d and / or
- outer surfaces 27 of component volume models 26 that lie entirely within another component volume model 26 are removed.
- An example is the outer surface of a gear wheel that is located entirely within a housing part.
- outer surfaces 27 of component volume models 26 are also removed.
- the outer surface 27 of the part of a shaft that projects into a housing part is removed.
- Outer surfaces TI of component volume models 26, which adjoin outer surfaces of another component volume model 26, are also removed.
- the inward outer surface 27 of a bore of a housing part, which bears against an outer surface 27 of a shaft protruding through the bore, is removed.
- an outer surface 27 is a through a bore
- Housing part projecting shaft, which abuts the inward-facing outer surface of the bore of the housing part, removed.
- Volume model 46 leads to a fusion of the many
- volume model 46 is virtually completely poured out on the inside and / or thus corresponds to a solid body. It is also possible that the volume model 46 only has outer surfaces of the object 10.
- volume model 46 of the object 10 After the volume model 46 of the object 10 has been generated in the first computer 34, it is sent to the second computer 36.
- step S14 the simulator 52 embeds the volume model 46 in the
- Plant design model 54 of the technical plant 48 At a
- the simulator 52 checks whether the object 10 can be installed correctly in the technical system 48. It is checked, for example, whether the volume model 46 overlaps with other construction models of the technical system 48. It is also possible that movements of components of the technical system 48 are simulated. In this way, it is checked whether there are problems in the technical system 48 after the installation of the real object 10.
- the object 10 is simulated on the basis of the volume model 46 together with the physical parameters 30 in the system construction model 54. It is checked, for example, whether a rotatable part can move in the desired space is whether a center of gravity and / or weight of the object 10 has been correctly taken into account and / or whether thermal problems occur.
- step S16 the first computer 34 generates a construction model 44 for the object 10 from the configuration parameters 22, if this has not already happened in step S12.
- a basic construction model 20 ' is loaded from the data collection 40, a component construction model 20 is generated therefrom using the configuration parameters 22, and these component construction models 20 are combined to form the construction model 44.
- the construction model 44 is then optionally transmitted to a production system 45, which then manufactures the object 10 based on the construction model 44.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Stored Programmes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019000313 | 2019-01-18 | ||
| PCT/EP2019/025440 WO2020147914A1 (de) | 2019-01-18 | 2019-12-09 | Volumenmodellerzeugung für mehrkomponentige objekte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3912072A1 true EP3912072A1 (de) | 2021-11-24 |
Family
ID=69137827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19832286.9A Pending EP3912072A1 (de) | 2019-01-18 | 2019-12-09 | Volumenmodellerzeugung für mehrkomponentige objekte |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20220121788A1 (de) |
| EP (1) | EP3912072A1 (de) |
| DE (1) | DE102019008517A1 (de) |
| WO (1) | WO2020147914A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240394424A1 (en) * | 2023-05-23 | 2024-11-28 | Dassault Systemes Simulia Corp. | Method for Parametrized Multi-compartment Housing Model Creation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11610037B2 (en) * | 2009-12-29 | 2023-03-21 | Comsol Ab | System and method for accessing settings in a multiphysics modeling system using a model tree |
| US8548781B2 (en) * | 2011-01-10 | 2013-10-01 | GM Global Technology Operations LLC | Method and system for determining a volume of a vehicle component and the disposition and connectedness of subcomponents therein |
| US20130046511A1 (en) * | 2011-08-15 | 2013-02-21 | Honeywell International Inc. | Method, apparatus and computer program product for simplifying a representative of a computer-aided design model |
| FR3010812A1 (fr) * | 2013-09-13 | 2015-03-20 | Eads Europ Aeronautic Defence | Procede de conception assistee par ordinateur comportant une etape de modelisation |
| US20170116779A1 (en) * | 2015-10-26 | 2017-04-27 | Microsoft Technology Licensing, Llc | Volumetric representation of objects |
| EP3185152B1 (de) * | 2015-12-22 | 2022-02-09 | Dassault Systèmes | Verteiltes aufeinandertreffen und einrasten |
-
2019
- 2019-12-09 WO PCT/EP2019/025440 patent/WO2020147914A1/de not_active Ceased
- 2019-12-09 EP EP19832286.9A patent/EP3912072A1/de active Pending
- 2019-12-09 DE DE102019008517.5A patent/DE102019008517A1/de active Pending
- 2019-12-09 US US17/424,010 patent/US20220121788A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020147914A1 (de) | 2020-07-23 |
| DE102019008517A1 (de) | 2020-07-23 |
| US20220121788A1 (en) | 2022-04-21 |
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