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Standardized data models as the basis for an optimized process.ProStep Symposium 2010 Berlin.

Sheer Driving Pleasure

Standardized data models as the basis for an optimized process

BerlinApril 2010

BMW GroupDr. Ingo Stock ingo.stock@bmw.de

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•Data models in the electric system development.

•What is the result of electric system development at OEM?

•Data model problem: Dataflow in electric system development.

•Requirements for an efficient development process

•Today's process: problem of sections, disadvantages

•How can we get the process optimized?

•New release process

•Conclusion

Standardized data model as the basis for an optimized process.Agenda.

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Architecture

PREEvision

harness development

E³.Cable / LDorado

EMC

CableMod

Different data modelsfor one vehicle!

Standardized data model as the basis for an optimized process.Data models in the electric system development.

conversion

Data

conversion

Data

conversion

Data

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Data collection for defined functions, componentsand electric interfaces

Data definition for wiring concept and

routing

Definition of geo-metry including topology

and packaging

Definition of wiring harness with its

parts and modules

150% data model (electrical description) of a vehicle series in

best achievable data quality

Any further manipulation, formatting or conversion of this model is a potential risk for

loss of quality

but!

Standardized data model as the basis for an optimized processWhat is the result of electric system development at OEM?

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Packaging

CATIA V5

2D-dimension-drawing

Technical architecture,components, pining

Matching of

Elog-data and

Geo-data

Data supplier

Common: Every customer needs aview of the complete vehicle!

Standardized data model as the basis for an optimized process.Data model problem: Dataflow in electric system development.

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Standardized data model as the basis for an optimized process.Requirements for an efficient development process (I).

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Standardized data model as the basis for an optimized process.Requirements for an efficient development process (II).

Requirements:

• providing an overall vehicle view

• adequate data supply to support all development partners at any time, the outcome of this enhances the data quality in all

• a single data format has to be used. • result is higher data quality • generating a delta-view of different datasets is

possible

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Standardized data model as the basis for an optimized process.Today's geometrie process: problem of sections.

Complete Harness Set

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Ba

se

1S

ec

. 2S

ec

3+

4B

as

e 2

Se

c. 1

Standardized data model as the basis for an optimized Process.Today's architecture process: problem of sections.

150% data model (electrical description)

of a vehicle series

Separation into differentsections for detailed

development and manufacturing

Merge to a real car, i.e. 320d coupe, ECE,

lefthand drive, xenon, navi professional.

or to320i touring, ECE,

lefthand drive, xenon, navi professional.

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Standardized data model as the basis for an optimized Process.Today's release process: problem of sections.

chassis

cockpit

doors

seats

others

Release of section

CN: change note

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Standardized data model as the basis for an optimized Process.Today's process: disadvantages.

Disadvantages:

• an overall vehicle view can not be generated easily, a data-set includes only one geometric (or logic) section

• data customers can not be supplied with a necessary overall vehicle view at different, user-defined moments

• consequence if different data formats are used: • risk for data of inferior quality• delta-view of different datasets can not be generated

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Standardized data model as the basis for an optimized Process.How can we get the process optimized?

• Define AP212 data model (KBL) as the only standard interface for data exchange in electrical system development (to harness maker, EMC, energy-network, service,…)

• one consistent data model in development process

• manipulation, formatting or conversion of the data model is not necessary

• data model can be generated at different, user-defined moments for all data customers

• delta-view of different datasets can be generated

-> KBL is one key to generate overall vehicle data model

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Standardized data model as the basis for an optimized process.New release process.

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Standardized data model as the basis for an optimized process.Tomorrow's release process: schematic and advantages.

chassis

cockpit

doors

seats

others

Data freeze and export

Release of harness set

InitialRelease

FinalRelease

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Architecture

PREEvision

harness development

E³.Cable / LDorado

EMC

CableMod

One data modelsfor one vehicle!

Standardized data model as the basis for an optimized process.Data models in the electric system development.

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Standardized data model as the basis for an optimized process.Conclusion.

KBL as the only standard interface for data exchange in electrical system development is one key to generate overall vehicle data model.

It allows a slighter development process, a reduction in hardware validation and at least it will increase electrical system quality of vehicles in the near future.

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Standardized data model as the basis for an optimized process.ProStep Symposium 2010, Berlin.

Thank you for your attention!