AVL List GmbH

Dr. F. Pfister, Dr. C. Schyr,Dr. T. Düser, B. Schick, Dr. B. Behr

SIMULATION AND DATA XPERIENCE

AVL Solutions Overview in context of RDE

| 07 April 2016 | 2

CHALLENGES OF REAL DRIVING EMISSION

“Real Driving Emission” mandatory for EURO 6c.

| 07 April 2016 | 3

RDE TESTING & ANALYSIS

NOx Peaks with Acceleration & Purging

2200 2300 2400 2500 2600 2700 2800

Time [s]

0

50

100

150

-100

0

100

200

300

0

2000

4000

0

500

1000

1500

0

50

100

0

50

100

Ve

loc

ity -

km

/hTo

rqu

e -

Nm

Th

rott

le -

%

NO

x -

pp

mE

ng

ine

Sp

ee

d -

rpm

Pe

da

l -

%

NOx

Torque

Relevance: Map Transients Event History

Time - s

NOx Peak after downhill drive cooled down EAS

3000 3100 3200 3300 3400 3500 3600

0

50

100

150

0

200

400

600

800

-100

0

100

200

300

0

2000

4000

0

50

100

Alt

itu

de

-m

350

450

550

650

Ve

loc

ity -

km

/hTo

rqu

e -

Nm

NO

x -

pp

mE

ng

ine

Sp

ee

d -

rpm

Pe

da

l -

%

NOx

Torque

Altitude

Event selection

• Threshold limit for emission

Stationary Map Condition

(Event 1)

• Torque standard deviation < x

Nm

• Gas standard deviation < x %

Transient Condition (Event 2)

• Torque standard deviation > x

Nm

• Gas standard deviation > x %

Event History (Event 3)

• If not event 1 or 2

| 07 April 2016 | 4

Driving Style

(aggressive,

defensive,

moderate)

Road

Curvature

Advanced Driver

Assistance Systems

Connected

Driving

Predictive Energy

Management

Air Pressure

And

Humidity

REAL WORLD EMISSION - INFLUENCES

Predictive Energy

Management

Tire

Pressure

Road

Gradient

Calibrating the Powertrain

To the People

Vehicle Load

Traffic

Wind and

SidewindAir

Temperature

| 07 April 2016 | 5

GOAL: “FRONTLOADING” OF RDE WITHMODEL-BASED TESTING METHODS

Comparable Results

| 07 April 2016 | 6

RDE USE CASES

Chassis Dyno

RDEChassis Dyno

RDE

UC-1: “Reproduction and Analysis”

Type Approval COP In-Service ComplianceDevelopment

UC-2: “RDE Reference Cycles”

UC-3: “Virtual Integration”

RDE: Real driving emission test

| 07 April 2016 | 7

1

…Proceed as usual using M.O.V.E

2

3

…Parameterization and Activation in IGEM Vehicle Tool-Chain using the Pre Test Dialog

… M.O.V.E and PEMS on the Chassis Dynamometer… SADA XP with road gradient visualization… virtual road simulated … test as usual with parameter studies to get robustness

5… Post processing as usual, also track-based evaluation

4

…Road and profile generation M.O.V.E to SSQ for iGEM Vehicle

base for

vir

tual

road c

ata

logue

(ref. c

ycle

s)

WORKFLOW RDE - PRINCIPLE

| 07 April 2016 | 8

USE CASE: RDE CHASSIS DYNO & ENGINE TESTBED AT TÜV SÜD & TU DARMSTADT

https://www.springerprofessional.de/mtz-worldwide-2-2015/6117120

| 07 April 2016 | 9

Customer Use Case BOSCH - ATZ ExtraSeptember 2015 - Gerstenberg / Hartlief / Tafel

USE CASE: RDE ON A HIGH-DYNAMIC ENGINE TESTBED

| 07 April 2016 | 10

USE CASE: „DRIVING CUBE“

Road- and traffic models

Sensor models

LK Concept phase Series development

System Simulation Model/Hardware-based Testing

| 07 April 2016 | 11

USE CASE: DRIVING NET – TU ILMENAU

| 07 April 2016 | 12

USE CASE: VIRTUAL TEST BED FORCALIBRATION

Full Size HiL System

real

ECU

Actuators:

e.g.: Throttle body, injectors,

EGR valve,…

…

Sensors:

e.g.: Pressures, Temperatures,

Speeds, AirFuelRatio,…

…

I/O

Closed

Loop real

Loads

| 07 April 2016 | 13

Shared Model Library Standardized Model Config.

?? ? …

Model.CONNECT RT

TECHNOLOGY OUTLOOK: MODULAR SIMULATION KIT - OVERVIEW OF TOOLS

Test

Bed I

nte

gra

tion

Lib

rary

RT Platform and Hardware (INtime, ARTE)

ARTE.Lab 4TM

E-Motor TB Interface

Battery TB Interface

Engine TB Interface

PT TB Interface

CD TB Interface S

imula

tion I

nte

gra

tion

Lib

rary

?

CarSim SIM Interface

CarMaker SIM Interface

Stähle SIM Interface

VSM SIM Interface

? SIM Interface

| 07 April 2016 | 14

AVL SANTORIN MX 2TM Measurement Data Management and Navigator

DATA MANAGEMENT SOLUTIONS: “REAL-TIME CONSISTENCY & REPORTING”

AVL CONCERTO 4TM

Data Processing PlatformAutomated Server Based Post-Processing

Intelligent Load RampsConcerto Script Interpreter

RDE Road

Measurement

RDE Testing on Chassis

Dyno

RDE Testing and

Calibration on ETB

RDE Calibration on Virtual

Test Bed

M.O.V.E.INCA.. M.O.V.E. INCAiGEM PUMA

M.O.V.E.INCA iGEM PUMA

..

CRUISE MCANape CarMaker …VSM

INCAiGEM PUMA.. CRUISE M ..

File Formats, Norm Names, Time Sync, Sample Rate, Filter, Offset/Drifts ..

PC based Post-Processingand Visualization

Concerto for

RDE

Concerto for

Calibration

Concerto for

SimGenEasy

Concerto for

Indication

Concerto for

iGEM

| 07 April 2016 | 15

SUMMARY

Vehicle Model

Driver Model

Road / Environment Model

Driving style

• Normal

• Defensive

• Eco

• Aggressive

Characteristics

• Traffic

• Weather

• Wind

• Gradient

• Curvature

• Etc.

Variation of

• Air Resistance cWA

• Rolling resistance

• Rotating inertias

• Brake losses

• etc.

• Early and preventive troubleshooting

• Reproducibility + parameter studies

• Efficient variant tests

• Reduction of calibration efforts

• Reuse of knowledge, e.g. RDE libraries

RDE Road

Measurement

RDE Testing on

Chassis Dyno

RDE Testing and

Calibration on ETB

RDE Calibration on

Virtual Test Bed

| 07 April 2016 | 16

TEST DRIVING STARTS NOW