Dr. Lehmann INTEGRATED VIRTUAL VERIFICATION AT THE BMW GROUP
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1 Dr. Lehmann INTEGRATED VIRTUAL VERIFICATION AT THE BMW GROUP
2 AGENDA Overview: Integrated Virtual Verification at the BMW Group Datamanagement for the process chain MBS Project FDM Simulationmanagement Integration Adams/Car - SimManager Adams/Car-AT Projects Bushing, Drivetrain, FMI, XML Conclusion + Outlook 2012 International Ground Vehicle Users Symposium page 2
3 MISSION STATEMENT: GENERIC. Verificationplanning Task Verificationplanning Today: planning for full vehicle principle types Return of result Order Planned: non principles types + components Visualisation of results (signal light) Datamanagement (Functional/Geometric) Order DB DB Task Datamanagement (functional/gemoetric) Vehicle configruation Data-/Modelrequirementsprocess, Delivery status, Development status (construction phase) Simulationmanagement Task Simulationmanagement Automatisation of simulation process, Variant generation, Cotnrol of simulation task Model comparison, Report generation, Data/Modelstorage Integrationplatform Supplier Task Integration-/Authoringtools Preprocessing Solving Postprocessing Authoring -tool I Authoring -tool II Authoring -tool III 2012 International Ground Vehicle Users Symposium page 3
4 MISSION STATEMENT: STATUS FOR MBS. Return of result VORPDM Order Task Verifikationplanning Today: planning for full vehicle principle types Planned: non principles types + components Visualisation of results (signal light) FDM Order DB DB Task Datamanagement (functional/gemoetric) Vehicle configruation Data-/Modelrequirementsprocess, Delivery status, Development status (construction phase) SimManager Task Simulationmanagement Automatisation of simulation process, Variant generation, Cotnrol of simulation task Model comparison, Report generation, Data/Modelstorage Adams/Car-AT, Supplier Task Integration-/Authoringtools Preprocessing Solving Postprocessing Adams/ Car-AT Simulink VI-Driver/ Ftire 2012 International Ground Vehicle Users Symposium page 4
5 EG-4 EG-5 EA-7 MKS CAE CAD EA-3 EF-2 VIRTUAL VERIFICATION AT THE BMW GROUP. DATAMANAGMENT FOR THE PROCESS CHAIN MBS. Task: Provide the right MBS-Model to the right time with mandatory functionality Grundauslegung/ Konstruktion Karosserie Grundauslegung/ Konstruktion AGA Grundauslegung/ Konstruktion Triebstrang Grundauslegung/ Konstruktion Achsen/ Achskinematik Vernetzung für Flexible Bauteile Vernetzung und Kondensat Karosserie für Steifigkeiten diverse Kennlinien (Steifigkeiten, Dämpfungen) Trägheiten, Auftriebsbeiwerte, Massenpackage Gesamtfahrzeug Fahrdynamik Vernetzung und Kondensat AGA Process Chain MBS DU, Freie Kräfte und Momente, Motor Schleppmoment Anregung Antrieb n Fzg. Getriebe, Abtrieb, HAG Gesamtfahrzeug Triebstrang Gesamtfahrzeug Betriebslasten Gesamtfahrzeug Akustik & Schwingungen 2012 International Ground Vehicle Users Symposium page 5
6 DATAMANAGMENT FOR THE PROCESS CHAIN MBS International Ground Vehicle Users Symposium page 6
7 MISSION STATEMENT: STATUS FOR MBS. Return of result VORPDM Order Task Verifikationplanning Today: planning for full vehicle principle types Planned: non principles types + components Visualisation of results (signal light) FDM Order DB DB Task Datamanagement (functional/gemoetric) Vehicle configruation Data-/Modelrequirementsprocess, Delivery status, Development status (construction phase) SimManager Task Simulationmanagement Automatisation of simulation process, Variant generation, Cotnrol of simulation task Model comparison, Report generation, Data/Modelstorage Adams/Car-AT, Supplier Task Integration-/Authoringtools Preprocessing Solving Postprocessing Adams/ Car-AT Simulink VI-Driver/ Ftire 2012 International Ground Vehicle Users Symposium page 7
8 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 Q implementation of pilot integration MSC Next Steps BMW Valididation in Q4 - Ongoing feedback BMW > MSC cooperative planning of next steps (MSC + BMW) 2012 International Ground Vehicle Users Symposium page 8
9 MISSION STATEMENT: STATUS FOR MBS. Return of result VORPDM Order Task Verifikationplanning Today: planning for full vehicle principle types Planned: non principles types + components Visualisation of results (signal light) FDM Order DB DB Task Datamanagement (functional/gemoetric) Vehicle configruation Data-/Modelrequirementsprocess, Delivery status, Development status (construction phase) SimManager Task Simulationmanagement Automatisation of simulation process, Variant generation, Cotnrol of simulation task Model comparison, Report generation, Data/Modelstorage Adams/Car-AT, Supplier Task Integration-/Authoringtools Preprocessing Solving Postprocessing Adams/ Car-AT Simulink VI-Driver/ Ftire 2012 International Ground Vehicle Users Symposium page 9
10 MULTI-BODY-SIMULATION AT THE BMW GROUP.. diesel engine chassis control mechanical systems vertical dynamics motorcycle ADAMS/Car-AT Adams/Car Activities in Consolidated Drivetrain 2. New Bushing Model 3. FMI virtual integration drivetrain fatigue strenght crank gear and valve train structural dynamics and vibrations 2012 International Ground Vehicle Users Symposium
11 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 today Specification WP1 WP2 WP3 WP4 1/2011 6/ / / / International Ground Vehicle Users Symposium page 11
12 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 Additional Stop Bushing Part A Timeline Bushing Stop Compliance Part B Part A Part B (compliant) Specification WP1 WP2 WP3 today WP4 1/2011 6/ / / / International Ground Vehicle Users Symposium page 12
13 MISSION STATEMENT: STATUS FOR MBS. Return of result VORPDM Order Task Verifikationplanning Today: planning for full vehicle principle types Planned: non principles types + components Visualisation of results (signal light) FDM Order DB DB Task Datamanagement (functional/gemoetric) Vehicle configruation Data-/Modelrequirementsprocess, Delivery status, Development status (construction phase) SimManager Task Simulationmanagement Automatisation of simulation process, Variant generation, Cotnrol of simulation task Model comparison, Report generation, Data/Modelstorage Adams/Car-AT, Supplier Task Integration-/Authoringtools Preprocessing Solving Postprocessing Adams/ Car-AT Simulink VI-Driver/ Ftire 2012 International Ground Vehicle Users Symposium page 13
14 CONSISTENT INTERFACE SPECIFICATION FMI. Modelica, Simulink,... Physical Models (transmission, engine, chassis,...) Simulink, Modelica,... Controller Models Functional Mockup DLL (= standardized co-simulation ) Integrationplatfo rm FMU-DLL Open Co-Simulation Infrastructure FMU-DLL FMU-DLL FMU-DLL Different tools/vendors: Functional tests Safety analysis (system FEA) Error reaction tests Sensitivity/robustness tests Parameter identification Parameter optimization Controller Hardware AUTOSAR (Simulink, ASCET, Dymola,...) Controller Software 2012 International Ground Vehicle Users Symposium page 14
15 CONSISTENT INTERFACE SPECIFICATION FMI. Problems / Needs Component development by supplier Integration by OEM Many simulation tools involved supplier1 supplier2 supplier3 supplier4 supplier5 OEM? Solution Reuse of supplier models by OEM: supplier1 supplier2 supplier3 supplier4 supplier5 DLL (model exchange) and/or tool 1 tool 2 tool 3 tool 4 tool 5 Tool coupling (co-simulation) Protection of model IP of supplier FMI OEM Added Value Early validation of design supplier1! OEM Increased process quality Higher efficiency and quality supplier2 supplier3 Source: FMI Modelica Association Project 2012 International Ground Vehicle Users Symposium page 18
16 FUNCTIONAL MOCKUP INTERFACE (FMI) FOR MBS. Sample Application: Integration of Dymola drivetrain components into MBS- Drivetrain Wheel DC-Motor as FMU ZM S Gearb ox Shaft drives FMU MBS-Model signalpressure period=30 inertia Clutch as FMU from_bar Pa inertia1 Rear shaft Rear axle differenti al J=0.01 laminarclutch J=0.01 y w orld x 2012 International Ground Vehicle Users Symposium page 16
17 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 2012 International Ground Vehicle Users Symposium page 17
18 Thank you for your attentention!
19 CONSOLIDATED DRIVETRAIN - MODULARISATION. Clutch Gearbox Engine ZMS Transfer Gearbox Shaft Shaf t Front axle differential + shafts Gear box front Enigne Mount Drivetrain Shaft front Shaft rear Gearbox Mount Gear Rear axle Box differential + rear shafts drivetrain structure for vertical dynamics as of today drivetrain structure after project 2012 International Ground Vehicle Users Symposium page 19
20 CONSOLIDATED DRIVETRAIN - SCALE. Drivetrain department Complex Model Standardantrieb + E-Front Level of Detail Front-Quer + E-Heck Vehicle dynamics department Achsindividueller Simple Model Antrieb Radnabenantrieb Heck-Quer + E-Front Allrad Front-Längs, xdrive Front-Quer ReX Standardantrieb 2012 International Ground Vehicle Users Symposium page 20
21 NEW BUSHING MODEL- WORKFLOW International Ground Vehicle Users Symposium page 21
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