INTEGRATED VIRTUAL VERIFICATION AT THE BMW GROUPpages.mscsoftware.com/rs/mscsoftware/images/Continuous Virtual Verification Strategy at...VIRTUAL VERIFICATION AT THE BMW GROUP. CONSOLIDATED

INTEGRATED VIRTUAL VERIFICATION AT THE BMW GROUP

26.10.2012

Dr. Lehmann

2012 International Ground Vehicle Users Symposium

VIRTUAL VERIFICATION AT THE BMW GROUP. AGENDA.

Simulationmanagement – Integration Adams/Car -

SimManager

Overview: Integrated Virtual Verification at the BMW

Group 1

Adams/Car-AT Projects – Bushing, Drivetrain, FMI, XML

Datamanagement for the process chain MBS – Project

FDM 2

Conclusion + Outlook

3 4 5

page 2

VIRTUAL VERIFICATION AT THE BMW GROUP. MISSION STATEMENT: GENERIC.

Verificationplanning

Datamanagement (Functional/Geometric)

Simulationmanagement

Task Datamanagement (functional/gemoetric)

Vehicle configruation

Data-/Modelrequirementsprocess,

Delivery status,

Development status (construction phase)

Task Verificationplanning

Today: planning for full vehicle

principle types

Planned: non principles types

+ components

Visualisation of results (signal light)

Task Integration-/Authoringtools

Preprocessing

Solving

Postprocessing

Task Simulationmanagement

Automatisation of simulation process,

Variant generation,

Model comparison,

Report generation,

Data/Modelstorage

Integrationplatform

Authoring-tool I

Authoring-tool II

Authoring-tool III

Consistent interface specifications

Return of result Order

Order

Cotnrol of simulation task

DB DB

Supplier

page 3 2012 International Ground Vehicle Users Symposium



VIRTUAL VERIFICATION AT THE BMW GROUP. MISSION STATEMENT: STATUS FOR MBS.

VORPDM

FDM

SimManager

Adams/Car-AT,…

Adams/ Car-AT

Simulink VI-Driver/

Ftire



Order


DB DB

Supplier







Delivery status,


Task Verifikationplanning


principle types


+ components



Preprocessing

Solving

Postprocessing



Variant generation,

Model comparison,

Report generation,

Data/Modelstorage

Task:

Provide the right MBS-Model

to the right time with mandatory functionality

„Process Chain

MBS“

Massenpackage

MK

SC

AD

CA

E

Grundauslegung/ Konstruktion

Achsen/

Achskinematik

Vernetzung für Flexible

Bauteile


Karosserie

Vernetzung und Kondensat

Karosserie für

Steifigkeiten

EG

-5E

G-4


AGA

Vernetzung und Kondensat AGA

EF

-2E

A-7

Gesamtfahrzeug

Fahrdynamik

Gesamtfahrzeug

Triebstrang


Triebstrang

diverse Kennlinien (Steifigkeiten, Dämpfungen)

Trägheiten, …

Auftriebsbeiwerte, …

Gesamtfahrzeug

Akustik & Schwingungen

EA

-3

Gesamtfahrzeug

Betriebslasten

DU, Freie Kräfte und Momente, Motor

Schleppmoment

Anregung Antrieb n Fzg.

Getriebe, Abtrieb, HAG

VIRTUAL VERIFICATION AT THE BMW GROUP. DATAMANAGMENT FOR THE PROCESS CHAIN MBS.

2012 International Ground Vehicle Users Symposium page 5

VIRTUAL VERIFICATION AT THE BMW GROUP. DATAMANAGMENT FOR THE PROCESS CHAIN MBS.



VORPDM

FDM

SimManager

Adams/Car-AT,…

Adams/ Car-AT

Simulink VI-Driver/

Ftire



Order


DB DB

Supplier







Delivery status,




principle types


+ components



Preprocessing

Solving

Postprocessing



Variant generation,

Model comparison,

Report generation,

Data/Modelstorage

VIRTUAL VERIFICATION AT THE BMW GROUP. INTEGRATION ADAMS/CAR - SIMMANAGER.


Task: Integration ADAMS/Car-SimManager and use for

automatisation of the MBS-simulation process,

variant generation + model comparison,

report generation

data- and modelstorage

Status

specification of demands by BMW – Q2 2012

implementation of pilot integration MSC

Next Steps

BMW Valididation in Q4 - Ongoing

feedback BMW > MSC

cooperative planning of next

steps (MSC + BMW)

page 8


VORPDM

FDM

SimManager

Adams/Car-AT,…

Adams/ Car-AT

Simulink VI-Driver/

Ftire



Order


DB DB

Supplier







Delivery status,




principle types


+ components



Preprocessing

Solving

Postprocessing



Variant generation,

Model comparison,

Report generation,

Data/Modelstorage

VIRTUAL VERIFICATION AT THE BMW GROUP. MULTI-BODY-SIMULATION AT THE BMW GROUP. .

mechanical

systems

vertical dynamics

virtual integration

drivetrain

fatigue

strenght

structural

dynamics and

vibrations

crank gear and

valve train

diesel engine

chassis

control

motorcycle


ADAMS/Car-AT Adams/Car Activities in

2012

1. Consolidated

Drivetrain

2. New Bushing Model

3. FMI

E87_HK7.avi

330i_aschheim_vidriver.avi

VIRTUAL VERIFICATION AT THE BMW GROUP. CONSOLIDATED DRIVETRAIN – WORK PACKAGES.

Workpackages

WP1: Concept design for modularisation and scale of the ADAMS-Car drivetrain

components

WP2: Implementation and validation of concept from WP1

WP3: Concept design for functional enhancement of selected drivetrain

components

WP4: Implementation and validation of concept from WP3

Timeline

1/2011 6/2011 12/2011 12/2012 12/2013

Specification

WP1 WP2

WP3 WP4

today


VIRTUAL VERIFICATION AT THE BMW GROUP. NEW BUSHING MODEL – WORK PACKAGES.

Workpackages

WP1: Bushing Identification Tool (BIT)

WP2: Component model implementation in Adams/Car and MATLAB

WP3: Component model testrig implementation in ADAMS/Car

WP4: Validation

Timeline

1/2011 6/2011 12/2011 06/2012 12/2012

Specification

WP1 WP2

WP3 WP4

today


Part A Part B (compliant)

BushingAdditional Stop

Part A

Part B

BushingStop

Compliance


VORPDM

FDM

SimManager

Adams/Car-AT,…

Adams/ Car-AT

Simulink VI-Driver/

Ftire



Order


DB DB

Supplier







Delivery status,




principle types


+ components



Preprocessing

Solving

Postprocessing



Variant generation,

Model comparison,

Report generation,

Data/Modelstorage

VIRTUAL VERIFICATION AT THE BMW GROUP. CONSISTENT INTERFACE SPECIFICATION – FMI.


Integrationplatfo

rm

Modelica, Simulink, ...

Physical Models (transmission, engine, chassis, ...)

Open Co-Simulation Infrastructure

Simulink, Modelica, ...

Controller Models

AUTOSAR

(Simulink, ASCET, Dymola, ...)

Controller

Software

Controller

Hardware

FMU-DLL FMU-DLL

FMU-DLL FMU-DLL

.....

.....

Functional Mockup DLL

(= standardized co-simulation

interface) Different tools/vendors:

• Functional tests

• Safety analysis (system FEA)

• Error reaction tests

• Sensitivity/robustness tests

• Parameter identification

• Parameter optimization

VIRTUAL VERIFICATION AT THE BMW GROUP. CONSISTENT INTERFACE SPECIFICATION – FMI. Problems / Needs

Component development by supplier

Integration by OEM

Many simulation tools involved

?

supplier1 supplier2 supplier3 supplier4 supplier5

OEM

supplier1

tool 1

supplier2 supplier3 supplier4 supplier5

tool 2 tool 3 tool 4 tool 5

FMI OEM

Solution

Reuse of supplier models by OEM:

DLL (model exchange) and/or

Tool coupling (co-simulation)

Protection of model IP of supplier

! supplier1

supplier2

supplier3

OEM

Added Value Early validation of design

Increased process quality

Higher efficiency and quality

Source: FMI Modelica Association Project


Sample Application: Integration of Dymola drivetrain components into MBS-

Drivetrain


VIRTUAL VERIFICATION AT THE BMW GROUP. FUNCTIONAL MOCKUP INTERFACE (FMI) FOR MBS.

Rear

axle

differenti

al

ZM

S

Gearb

ox

Rear shaft

Shaft

drives

FMU

MBS-Model

Wheel

page 16

laminarClutch

inertia

J=0.01

inertia1

J=0.01

w orld

x

y

from_bar

Pa

signalPressure

period=30

DC-Motor as FMU

Clutch as FMU


VIRTUAL VERIFICATION AT THE BMW GROUP. CONCLUSION + NEXT STEPS.

Conclusion

Overview: Integrated Virtual Verification at the BMW Group

Status: Functional Data Management (FDM) for the process chain MBS

Status: Simulationdatamanagement – SimManager-Adams/Car Integration

Adams/Car for MBS at the BMW Group – Projects/Activities 2012

Project: Consolidated Drivetrain

Project: New Bushing Model

Functional Mockup Interface (FMI)

Next Steps

Projects 2013 – FDM, SimManager Integration, Grand Unified Testrig, One

Assembly,…

Roadmap MSC regarding the FMI Interface

Thank you for your attentention!

VIRTUAL VERIFICATION AT THE BMW GROUP. CONSOLIDATED DRIVETRAIN - MODULARISATION.


Drivetrain

Rear axle

differential +

shafts

Front axle

differential +

shafts

drivetrain structure for vertical dynamics as of today

Gear

Box

rear

Engine ZMS

Clutch Gearbox

Transfer Gearbox

Shaft rear

Shaft

Gear

box

front Shaft front

Shaf

t

Gearbox Mount

Enigne Mount

drivetrain structure after project

VIRTUAL VERIFICATION AT THE BMW GROUP. CONSOLIDATED DRIVETRAIN - SCALE.


Level of Detail „Simple Model“ „Complex Model“

Drivetrain

department

Vehicle

dynamics

department

Radnabenantrieb

Achsindividueller

Antrieb

Allrad Front-Längs, xDrive

Standardantrieb Front-Quer

Standardantrieb + E-Front Front-Quer + E-Heck

Heck-Quer + E-Front

ReX

VIRTUAL VERIFICATION AT THE BMW GROUP. NEW BUSHING MODEL- WORKFLOW.


Documents

INTEGRATED VIRTUAL VERIFICATION AT THE BMW GROUPpages.mscsoftware.com/rs/mscsoftware/images/Continuous Virtual Verification Strategy at...VIRTUAL VERIFICATION AT THE BMW GROUP. CONSOLIDATED