CARMAKER IN MOTORSPORT Karlsruhe Fabien CHENIN 24/09/2014 - - PowerPoint PPT Presentation

Karlsruhe 24/09/2014

CARMAKER

MOTORSPORT

IN

Karlsruhe, 24/09/2014 Fabien CHENIN Fabien GEFFROY

Contents

01

Introduction

• Lead the team forward
• Personalization

Why CarMaker ?

• Car Modeling
• Limited Slip Differential
• Tire
• Suspension
• Aerodynamics
• Correlation
• Track Modelling
• Electronics
• Driver Correlation
• Vehicle Correlation

Modelling

• Pure Performance Criteria
• Driving Criteria

Utilization Innovation Conclusion

Team

02

Introduction Why CarMaker ? Modelling Utilization Innovation Conclusion

• Founded in December 2011 by Sébastien Loeb & Dominique HEINTZ
• Composed of fifteen professionals
• Involved in various competitions:
• Vehicle Dynamics expertise

24 Hours Of Le Mans

European Le Mans Series

GT Championship Porsche SuperCup

Lead the team forward

03

Steady state simulation

• Simplified Models
• Implementation

duration reduced

Dynamic simulation

• Speed-dependent model
• Every physical

phenomenon modeled

• Adaptive driver model
• Understand interaction between all the element of a car
• Reduce the spectrum of settings during real tests

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

Personalization

04

• Motorsport and automotive category require specific needs :
• Aerodynamics in Motorsport
• Comfort in Industry
• Adapt IPG CarMaker to these needs:

Open Integration Platform Adaptation Innovation

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

Car Modelling Correlation

Limited Slip Differential Tire Suspension Aerodynamics

05

Engine & Transmission

Aerodynamic

Suspension kinematic & compliance Chassis

Tires

Limited slip differential 3rd Spring

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

Limited Slip Differential Tire Suspension Aerodynamics

Car Modelling Correlation

06

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

IPG Viscoélastique Free Driveline

SLR Characteristic Curves Limited Slip Differential with

Preload

Car Modelling Correlation

07

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

Limited Slip Differential Tire Suspension Aerodynamics Flat track measurement

Skid Trailer Tire modelling

Car Modelling Correlation

08

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

Wheel Input Load Inclination Velocity

Forces at Contact patch Tire Rolling Radius

To Wheel Center By CarMaker

Limited Slip Differential Tire Suspension Aerodynamics

• CPI Model

Car Modelling Correlation

09

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

Contact Patch Calculation

Tire Loaded Radius Tire Rolling Radius Forces / Torque at Contact patch

To Wheel Center By SLR

• STI Model

Limited Slip Differential Tire Suspension Aerodynamics

Car Modelling Correlation

10

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

3rd Spring

Average Spring Deflection Static Gap

Ride Height Control

Limited Slip Differential Tire Suspension Aerodynamics

Car Modelling Correlation

11

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

Aerodynamic Downforce Aerodynamic Drag Aerodynamic Balance

• Correction of tire crushing
• Use of IPG Body Sensor to modelize ride heigth behaviour
• Application of aerodynamic drag & downforce (CLA and CDA)

Limited Slip Differential Tire Suspension Aerodynamics

Car Modelling Correlation

12

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

• Track Modelling
• Development of tools for modeling track
• GPS measurements coupled with an inertial measurement unit
• Use of the Kalman filter to reduce the measurement noise

Track Modelling Electronics Driver Correlation Vehicle Correlation

13

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

• Beams development
• Autonomous assembly implantable on any vehicle
• Additional Systems using this architecture in the vehicle
• Implementation of specific sensors
• Standard sensors: stress, temperature
• Specific sensors: slip angle, tire pressure sensors

Car Modelling Correlation

Track Modelling Electronics river Correlation Vehicle Correlation

14

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

Car Modelling Correlation

Track Modelling Electronics Driver Correlation hicle Correlation

15

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

Car Modelling Correlation

Track Modelling Electronics Driver Correlation Vehicle Correlation

16

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

Car Modelling Correlation

Track Modelling Electronics Driver Correlation Vehicle Correlation

VIDEO

Pure Performance Criteria Driving Criteria

17

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

Pure Performance Criteria Driving Criteria

18

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

19

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR Electric energy management Vehicle dynamics simulation Complete car

• ptimisation

Formula E

20

Introduction Why CarMaker Modelling Utilization Innovation Conclusion

To Wheel Center By SLR

Complete vehicle dynamics expertise

Steady state simulation Dynamic simulation

Powerful tool

Adaptation Innovation