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Future Future mechatronical platform for easymechatronical platform for easyapplication of assistant systemsapplication of assistant systems- EU-- EU-projectproject PEIT PEIT
PEIT - Powertrain Equipped with Intelligent Technology
Feierlich wissenschaftliche Tagungder Ungarischen Akademie der Wissenschaften„Nutzfahrzeugkonstruktionen und Verkehrssicherheit“
Retirement of Prof. Dr.-Ing. habil. Egon-Christian von GlasnerBudapest, July1st 2003Dr.-Ing. G. Spiegelberg
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Accident reportMotivation Motivation ofof PEIT PEIT
In Germany alone about 60.000 people / year are injured or loselife in accidentsThe most dangerous accident classes with heavy good vehiclesinvolved are:
- jack knifings,- trailer oscillations- roll overs- lane departures
� 40 % preventable with an warning system
60 000 injured/killed people per year
� 60 % preventable with an controlling system
Goal : decreasing the numbers of accidents by 50 % until 2010
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Coordination of motion execution
Redundant surround.evaluation
biomechanical execution
Load
primary surroundingevaluation
Transportation ofmotion wish
Biological analogonBiological analogon
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Coordination of motion execution
Redundant surround.evaluation
biomechanical execution
Load
primary surroundingevaluation
Transportation ofmotion wish
Preventive levelof motion
executing levelof motion
Switch over to technical systemSwitch over to technical system
Schnittstelle
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Concept of modulisationConcept of modulisation
Modul
minimized Data-flow via interfaces/ module frame
modulemaximized functionality
single responsible frame of module
minimizing of complexity
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coordination level
axles-elektronics
axles-elektronics
Steering-elektronics
engine-elektronics transmission
elektronics
real motion
fuel
energy
motion vector
Assistant functions (e.c. backward driving)cameraInput
Execution
Technical systemTechnical system
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What is What is PEIT ?PEIT ?
www.eu-peit.net
An european project financed by the europeancommission in the 5.th frameprogram
Running from September 2001 until September 2004
PPowertrain
EEquipped
IIntelligentTTechnologies
with
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Improve
• overall traffic safety
• traffic efficiency for heavy goods vehicles
• accident prevention
by the integration of intelligent technologiesinto a powertrain.
MotivationGoal Goal of of PEITPEIT
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Centrally co-ordinated secure Drive-by-Wire platform
Show European Homologation path of PEIT approach
An overall improvement in safety with a fullyelectronically controlled powertrain.
This is achieved by integrating:
General ObjectivesObjectives of Objectives of PEITPEIT
New kind of Assistant Systems ESP with steering control
Interface for easiest application of assistant systems
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• DaimlerChrysler AG• Continental
• iQ-Battery• Knorr Bremse• IVECO
• Diehl Avionik
• Kraftfahrt-Bundesamt• Universität Budapest• Universität Karlsruhe• Technische Universität Braunschweig
• TÜV-Nord
• RW-TÜV
• TÜV-Süd
Co-Operation PartnersCo-Operation Partners
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Steer-by-WireBrake-by-Wire
intelligent tyre
ESP IIIelectrical energy
management
Central ArchitectureObjectives of Objectives of PEITPEITDevelopment of secure Drive-by-Wire PlattformNew kind of Assistant Systems
PTC
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Brake-by-WireObjectives of Objectives of PEITPEIT
2-electronic-circuit-architecture
new hardware structure and safety management
philosophy
meets the specific requirements of intelligent trafficapplications in case of one failed brake circuit
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Steer-by-Wire(essential for ESP with steering control )
Objectives of Objectives of PEITPEIT
2-electronic-circuit-architecture
new hardware structure and safety management
philosophy
the steering system intervenes to improve the vehicledynamics (e.g. in the dead zone of former ESP or during braking onµ-split surface)
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ESP IIIObjectives of Objectives of PEITPEIT
(ESP with steering control)
next generation of a reactive assistant system
control of steering, braking and engine functionspossible due to the central architecture of PEIT
increase of safety level reduction of braking distance increase of vehicle stability in critical situations
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Powertrain Controller
PTC
Objectives of Objectives of PEITPEIT
PTC 2CL 2
Visual information
Acousticalinformation
engine axle steeringTransmis. energy storage
coordinated, optimised movement-specification
Movementdemand,Status signal
PTC - Powertrain ControllerESP III - Electronic Stabilisation Program
PTC 1CL 1
ESP III
ESP III
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Homologation aspectObjectives of Objectives of PEITPEIT
Defining of an European Homologation path for
* New kind of Powertrain Architecture
* Drive by Wire technologies
* Driver Assistant Systems
This is already done with date of 6.6.2003 in Stuttgart
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lateral dynam. vertical dynamics
longitudinal dynamics concept ofmobility
grounded
flying
avionics
Use of Use of best best practicepractice
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coordinatingtransm.functions
coordinatingAchsenfunktionen
coordinating Lenkungsfunktion
System management
coordinating engine functions
input levelassistant applications
2
2
2
input levelassistant applications
1
coordinatingtransm.functions
coordinating axle functions
coordinating steering functions
System management
coordinating engine functions
1
engine
mechatronicalengine
functions
steering
mechatronicalsteeringfunctions
transm.
mechatronicaltransmis.
functions
front axle
mechatronicalaxle
functions
rear axle
mechatronicalaxle
functions
1
Redundant system architectureRedundant system architecture
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motionvector
transmission
Com2 / U2
Com1 / U1
front axle
rear axle
enginesteering
input
Realisation Realisation of the moduleof the module
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PEITPEIT Testbench Testbench
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Platform forPlatform for HMI HMI
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Platform for Platform for all all assistant systemsassistant systems
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Motion vector
X-by-Wire Powertrain
Drivermotion
wish
Preventivedataassistant
GPS data
Safety Decision Control System
MMIAssistant
Motion wish vector
Load of tractor
Framework
Preventive vector
Camera
Other PreventiveAssistant Systems
Preventive interface
Extend previous work of project PEITExtend previous work of project PEIT
1.)
2.)
� Extension 1:– Define clear SW/HW-interfaces of newly
to develop Safety Decision ControlSystems within automotive applications
� Extension 2:– Extend safety concept of heavy goods
vehicle to full tractor-trailer combination
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Extended Redundant X-by-Wire Powertrain control
Driver’smotionvector
PreventiveData fusionAssistant
Safety Decision Control System
MMI data fusionAssistant
Drivers Motion Vector
Framework
Redundant Vector
Preventivedata
Preventive interface
Secure Motion Vector
Driver’s interface
Safety Decision Control System SDFSSafety Decision Control System SDFS
???� Aim 1:
– Nowadays, Preventive Systems passes safetyrelevant information towards the driver directly,SPARC aims at a Safety Decision ControlSystems within automotive applications
� Aim 2:– SPARC extends this safety concept of heavy
goods vehicle to full tractor-trailer combination
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Interface to external systems/projectsInterface to external systems/projects
AIDEPREVENT
Load trailor
Extended Redundant X-by-Wire Powertrain control
Preventivedata fusionassistant
GPS data
Safety Decision Control System Framework
Load tractor
Framework
Trailor Control
Motion control
Preventive vector
Camera
PreventiveAssistant Systems
Preventive interface
Secure Motion Vector
Driver’smotionvector
MMI data fusionAssistant
Drivers Motion Vector
Driver’s interface
MMIAssistant
� Aim 1:– Define clear SW/HW-interfaces of newly to
develop Safety Decision Level control Systemsto other related development
� Aim 2:– SPARC is built upon PEIT and able to be used
by other project systems like developed withinPREVENT and AIDE
PEIT
SPARC
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TrailerECU
Safety concept of full tractor-trailerSafety concept of full tractor-trailer
PTC 2
ECUTE
Br R
Tractor Trailor
ECU
EDS
Br F
Redundant Powertraincontroller (PTC)
Safebus
Safeenergy
PLC
� Aims– Extend safety concept of heavy goods vehicle to
full tractor-trailer combination– Define clear SW/HW-interfaces within automotive
redundant control systems– scalable SW/HW from heavy duty truck to
smallest passenger car
EMB
EMB
EMB
EMB
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Used Used homologationhomologation path of PEIT path of PEIT
SoftwareLevel
Test CasesIntegration Testing
Test CasesModule Testing
Test CasesSystem Testing
Software-SpecificationsSoftware-Software-
SpecificationsSpecifications
Release
System-IntegrationApplication
Testing
ReleaseRelease
System-IntegrationSystem-IntegrationApplicationApplication
TestingTesting
Integration Testing
Software-Integration
IntegrationIntegration TestingTesting
Software-Software-IntegrationIntegration
Software-ImplementationSoftware-Module-Testing
Vehicle andSystem Level
Software-Design
(Architecture)
(rough + fine)
Software-Software-DesignDesign
((ArchitectureArchitecture))
((roughrough + + finefine))
MaintenanceMaintenanceMaintenanceFeasability StudyFeasability StudyFeasability Study
Software-Hazard Analysis /FTA /
Testcase generation
Software-Software-Hazard AnalysisHazard Analysis /FTA / /FTA /
Testcase generationTestcase generation
Software-System Interface description
Software-Software-System InterfaceSystem Interface description description
System-Specification
System-Layout
System-System-SpecificationSpecification
System-System-LayoutLayout
System Interface descriptionSystem InterfaceSystem Interface description description
System-HAZLOGHazard
Analysis /FTA
System-HAZLOGSystem-HAZLOGHazard Hazard
AnalysisAnalysis /FTA /FTASubsystem
Hazard Analysis /FTA
SubsystemSubsystemHazard Hazard
AnalysisAnalysis /FTA /FTA
HomologationLevel
System-HAZLOGHazard
Analysis /FTA
System-HAZLOGSystem-HAZLOGHazard Hazard
AnalysisAnalysis /FTA /FTASubsystem
Hazard Analysis /FTA
SubsystemSubsystemHazard Hazard
AnalysisAnalysis /FTA /FTA
System Interface testingSystem Interface System Interface testingtesting
HomologationLevel
�Aims– Evaluate,
describe andcontrolharmonisedhomologationpath ofcompletesafetyrelevantsystems(scalableSW/HWstructure)
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Modular Modular scalablescalable SPARC SPARC conceptconcept
Modular scaleable SPARC concept set-up
Powertrain-Controller
Steer-by-Wire Shift-by-Wire Brake-by-WirePower-by-Wire
SPARC
Commercial Vehicle
Powertrain-Controller
European projectsPEIT and
now SPARC
Steer-by-Wire Shift-by-Wire Brake-by-WirePower-by-Wire
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PEIT-DisseminationPEIT-Dissemination www.eu-peit.net
www.auto-managerTV.com
Thank you for attention
Good bye Prof. v. Glasner .... ...... and hello for further steps