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Similaire à TTTech automotive-overview (20)
TTTech automotive-overview
- 1. TTTech Automotive
Solutions for Safety, Electric Vehicles and Testing
Company Overview
products@tttech.com
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved.
- 2. What do they have in common …
Boeing 787 NASA Orion
… Reliable Networks and Controls from TTTech
Audi A8 Prinoth Leitwolf
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 2
- 3. Company Mission
TTTech establishes time-triggered communication platforms and certifiable
safety modules as the solutions of choice for volume embedded market
segments that need and value reliability and robustness.
Benefits include simple to use complete products, best-in-class
product cost performance and service, and enabling our customers
to deploy their solutions more efficiently and profitably.
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 3
- 4. Experts for Reliable Networks and Safe Controls
• Founded in 1998
• Award-winning spin-off of Vienna Technical University
• Unique know-how pool of 200+ employees
• Headquartered in Vienna, Austria
• Shareholders
• Founders & employees: ~40%
• AUDI AG: < 25%
• Remaining shares: investors
Gaimersheim Vienna
including aeris Capital AG Germany Austria Seoul
Carlsbad Korea
California Brixen Bukarest
Italy Romania
Yokohama
Japan
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 4
- 5. TTTech Automotive GmbH
• 100% subsidiary of TTTech Computertechnik AG
• Premium associate member of FlexRay Consortium
• Premium member of AUTOSAR Consortium
• Premium member of JasPar Consortium
Ingolstadt
Stuttgart • Support
• Sales • Engineering
Yokohama
• Sales
Seoul • Engineering
Vienna • Sales • Support
• Headquarters
• Sales
• R&D
• Engineering
• Support
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 5
- 6. Automotive Production Program Reference Audi A8
Communication Software
• FlexRay, CAN, LIN, Tools
• Performance optimized
Communication Safety Software
• End-to-end safety on FlexRay and CAN
• ISO 26262 ASIL D
Process Optimization
• Automated ECU Validation
• Testbench automation
Premium Engineering
• 10 Mbit/s physical layer
• Stable parameterizing and interoperability
• Software integration and prototype support
• Diagnostics specification
• Representation in FlexRay Consortium
Audi A8, A6, A4, … VW Touareg, … Bentley Arnage, Continental
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 6
- 7. Automotive Portfolio
Reliable Networks and Safe Communication
Reliable Networks and Safe Communication
Embedded Safety Safety Hardware for Testing Tools
Software E-Vehicles
• Autosar Safe up to ASIL D • Modulare Safety Platform • Data Logger
• SafeCOM • IEC 61508 / ISO 26262 • FlexRay Tools
• SIL 2-3
Networks & Engineering
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 7
- 8. TTTech Automotive
Safety Hardware and Solutions for Electric Vehicles
• Electric Vehicle Safety Unit
• Electric Vehicle Control Unit
• Modular ECU Family
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved.
- 9. Solutions for Functional Safety in Electric Vehicles
Modular Hardware Safety Platform
Modular Hardware Safety Platform
ISU
Inverter Safety Unit Inverter
• Safety for electric powertrain
• Add-on or integrated ISU
Electric Vehicle Control Unit … cost effective customized version
• Platform for electric powertrain possible
control strategy VCU
Modular ECU Family HY-TTC 90
• Certified for SIL 2/3 (ASIL C/D) HY-TTC 100 HY-TTC 50
• Off-the-shelf / customizable HY-TTC 200 HY-TTC 60 HY-Vision2
• Flexible configurable I/O
Safety ECUs certified by TÜV Nord Standard ECUs
Modular Software Safety Platform
Modular Software Safety Platform
Application
SafeExecution SafeCOM RTE
CAL
AUTOSAR
SafeCOM COM
• For safety functions up to ASIL D • Safe end-to-end comm. PDU Router
FX TP CAN TP
• Co-existance of safety related and over CAN or FlexRay FlexRay Interface
FlexRay Driver
LIN Interface
LIN Driver
CAN Interface
CAN Driver
non-safety related functions • Up to ASIL D
• Integrates with AUTOSAR SafeExec • Conform to AUTOSAR SafeCOM
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 9
- 10. Example 1: Electric Vehicle Safety Unit
• Electric vehicles are „by-wire“ (safety-relevant system)
• Unintended acceleration or deceleration to be avoided!
• TTTech‘s ESU is a safe guarding unit to control this
behavior
• Torque supervision by voltage and current measurements,
switch off in case of error
• Retrofit to existing powertrain concepts,
or customized integration with inverter / VCU
• Certified for SIL 2-3)
• Prototypes available now, SOP in Q1/2011 Accelerator Pedal
ESU
Battery Unit Inverter E-Motor
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 10
- 11. Example 2: Electric Vehicle Control Unit
ECU Platform for Electric Powertrain Control
VCU
Battery Unit Inverter E-Motor
• 16/32 Bit main CPU, supervised by certified watchdog CPU
• ISO 26262 compliant Hardware and Software platform
• Safe software runtime environment (SafeExecution and SafeCOM)
• Accomodates non-safe Basic Software (AUTOSAR, Diagnostics, …)
and non-safe application software modules
• Supports mixed-criticality applications
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 11
- 12. TTTech Automotive
Embedded Safety Software
• Modular Safety Platform
• Partnership with Vector Informatik
• MICROSAR Safe
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved.
- 13. ASIL Decomposition
Safety Concept Economic Implementation
Application SW Application SW
(ASIL D) (ASIL D)
ASIL D ASIL D (D) +
QM (D) Safety Layer
(ASIL D) Safety Mechanisms
Basic SW
(ASIL D)
Basic SW Reused Standard SW
(QM)
The safety elements …
• … detect and handle possible faults in the Basic SW
• … are independent elements in the system with specific functionality
(addressing the detection and mitigation of faults in the Basic SW)
• … are developed according to the required ASIL
• … are developed as „Safety Element out of Context“ and have to be
integrated according to their „Safety Manual“
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 13
- 14. Use Case 1: End-to-End Communication Protection
Safety-Relevant Application
• Trusted input data required
App. 1 App. 2 App. 3 App. 4
E2E E2E
E2E-Lib
Protection Protection
Wrapper Wrapper
Basic Software
• SafeCOM ensuring end-to-end communication protection
• Errors in the conduction can be detected. The application can
react accordingly
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 14
- 15. Use Case 2: Different ASIL Levels
ASIL-x Application SafeExecution - Safety Layer for:
• Usage of AUTOSAR system services • Timing protection
(QM)
• Memory protection
• Program flow monitoring
SafeSelfCheck
App. 1 App. 2 App. 3 App. • Separation of different ASIL levels
4
SafeMemoryProtection
Checkpoint Checkpoint
„SafeApp1“ „SafeApp2“
SafeWatchdogMgr
Basis Software SafeWatch
Checkpoint dog
„SafeCDD“
SafeIO
Complex
Drivers
• SafeExecution ensuring „Criteria for Coexistence“ of QM SW
• Violation of the “Freedom from Interference” is detected safely
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 15
- 16. Modular Safety Platform
App. 1 App. 2 App. 3 App. 4
SafeWatchdogMgr
Safety LayerCheckpoint
Checkpoint
for ECUs
Safety Layer „SafeApp2“
„SafeApp1“ for ECUs SafeWatch
dog
SafeMemoryProtection
•• Freedom from Interference
Freedom from Interference
E2E Protection
Wrapper
E2E Protection
Wrapper
(incl. Watchdog)
Bootloader
(incl. Watchdog)
E2E-Lib
OS
RTE
•• Communication Protection
Communication Protection
SafeSelfCheck
•• IO Protection
IO Protection Checkpoint
„SafeCDD“
•• HW Integrität
HW Integrität SafeIO
System Memory Comm.
Comm. I/O Complex
Services Services Services Services Drivers
BSP
• Safety Layer(s) for ECUs up to ASIL D
• Mapping for SIL 3 and PL e
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 16
- 17. Modular Safety Platform
App. 1 App. 2 App. 3 App. 4
SafeWatchdogMgr
Checkpoint Checkpoint
„SafeApp1“ „SafeApp2“ SafeWatch
dog
SafeMemoryProtection
E2E Protection E2E Protection
Wrapper Wrapper
Bootloader
E2E-Lib
OS
RTE
SafeSelfCheck
Checkpoint
„SafeCDD“
SafeIO
System Memory Comm.
Comm. I/O Complex
Services Services Services Services Drivers
BSP
Checking/Protection Function Non-Safety Standard SW, System SW
Safety-Relevant Function Non-Critical Application SW
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 17
- 18. TTTech – Vector Partnership
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 18
- 20. TTTech Automotive
Testing Tools - Networks & Engineering
• Testing, Verification and Logging Tools
• FlexRay Test Benches and Validation Tools
• Engineering Offering
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved.
- 21. Testing, Verification and Logging Tools
TTXConnexion TTXDisturbance Node
Gateway and Manipulation for Reproducable Failure Injection for
FlexRay and CAN FlexRay
TTXOptical Link Datalogger NG
Consistently Data Logging for all
Optical Decoupling for FlexRay Automotive Bus Systems
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 21
- 22. FlexRay Test Benches and Validation Tools
TTXPower Link TTXUniversal Control Unit
High-Performance Tool for The Modular FlexRay
FlexRay Prototyping Applications Development Board
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 22
- 23. Engineering Offering
Onsite and Offsite Engineering
Rapid Development
Project Support
Integration of Basic Software
FlexRay Training Network Tests
Communication Validation
Parameter Validation
Physical Layer Validation
Safety Analysis & FMEA
Hazard & Risk Analysis
Functional Safety
Special Know-How in Time-Triggered
Architecture, Safety and Development Processes
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 23
- 24. TTTech Automotive
Advanced Solutions
• TTXMulti Switch for FlexRay
• Time-Triggered Ethernet as Vehicle Backbone Network
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved.
- 25. What is a TTXMulti Switch?
The TTXMulti Switch is a zero-delay, non-buffering, time-triggered switch for
multiple parallel FlexRay data streams
• Offers increased FlexRay bandwidth
• Improves system robustness and fault-tolerance
• Can be integrated in 4-fold transceiver chip in central gateway ECU
TTXMulti Switch
FlexRay Network
Central Gateway
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 25
- 26. What is TTEthernet?
=
Ethernet + Clock + Time-Triggered + Rate-Constrained + Safety
Synch. Communication Communication
• Established • Coordination • Real-time control • Audio/video streaming • ISO26262 ASIL D
• Dominant • Distributed (chassis, engine, • Sensor fusion • IEC 61508 SIL 4
control active & passive
• Standard • ARINC 664, AVB • DO 254 Level A
safety systems)
• IEEE 802.3 • SAE AS6802 • „By-wire“
• Determinism
• IEEE 1588
Integration of all data flows in one single network
• 100% compatible with Ethernet standard IEEE 802.3
• Scales from low to high speed (10 Mbit/s, 100 Mbit/s, 1 Gbit/s, …)
• Scales from simple to safe and high-availability systems
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 26
- 27. TTEthernet Services
TTEthernet adds Rate-Constrained (Streaming) Services
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 27
- 28. Time-Triggered Ethernet
Key Features
• 3 concurrent traffic classes: time-triggered / rate-constrained / event-triggered
• Core functionality implemented in TTEthernet switch chip
• Software based nodes can use standard Ethernet controllers
• Fulfills highest safety standards (Aerospace DO254 / DO178B Level A)
• 100 Mbit/s and 1 Gbit/s
Mixed-Criticality & Safety
• Real-time / non-real-time and
critical / non-critical traffic in one network
• Fail-operational support on network level
• Single, dual and triple channel
Standard Support TTEthernet Switch
(Evaluation Box)
• Interoperable with standard IEEE 802.3
• Support for IEEE 1588
• Standardization in progress - SAE AS6802
www.tttech-automotive.com Copyright © TTTech Automotive GmbH. All rights reserved. Page 28