Automotive Ethernet. Ethernet Communication in Automotive Environment (ECAE) MSEK Partners: Volvo Cars, AB Volvo, MECEL, ArcCore and TCN

Transcription

1 Automotive Ethernet Ethernet Communication in Automotive Environment (ECAE) MSEK Partners: Volvo Cars, AB Volvo, MECEL, ArcCore and TCN Audio Video Bridging (AVB) in an Automotive Ethernet MSEK Partners: Volvo Cars, AB Volvo, Pelagicore, ArcCore and TCN November 2014

2 It s about self driving cars

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6 It s about active safety

7 Main motivation Bandwidth consuming sensors o Cameras o Radars o Lidars o Laser Advanced data and image processing in real time

8 Example driver assistance use case Thomas Hogenmüller, Bosch & OPEN Alliance

9 Motivation: Bandwidth Daimler Mercedes Benz & Chrysler

10 Motivation: Bandwidth

11 Main motivation Bandwitdh consuming sensors o Cameras, Radars, Lidars, Laser Advanced data and image processing in real time o Plus infotainment Need for high speed communications network o Enhanced vehicle electrical architecture is required Ethernet is the solution

12 Why Ethernet now? After 40 years, why has it taken so long? o Bandwidth need Ethernet on unshielded single pair of copper o Low weight and size o Cable harness 3 rd heaviest and 3 rd costly component

13 Automotive Ethernet in FFI ECAE o Ethernet Communication in Automotive Environment AVB o Audio Video Bridging in an Automotive Ethernet

14 Automotive Ethernet in FFI (ECAE) ECAE (Ethernet Communication in Automotive Environment) o Management and control of Ethernet communication o Unshielded Ethernet wiring o Power supply over Ethernet wires o Signal integrity and EMC o Architectural design Network data congestion Topology

15 What topology to be used? Thomas Hogenmüller, Bosch & OPEN Alliance

16 Network congestion What are implications by moving a camera? Thomas Hogenmüller, Bosch & OPEN Alliance

17 Automotive Ethernet in FFI (AVB) AVB (Ethernet Audio Video Bridging) o Cost-efficient solution for QoS in Ethernet Bandwidth reservation o Build and verify test bench with focus on infotainment o Answer if, when and where Ethernet AVB is feasible in an Automotive architecture o Review and comment on the future standards Extend use cases from audio/video applications to control systems o Analyse Ethernet AVB with regards to AUTOSAR

18 Let's sum this up

19 Summary Automotive electric architecture is emerging Ethernet links the world Enables data exchange on the basis on standards Ethernet is scalable and future-proof Continuous adaptation to new technologies and requirements Gigabit/s on copper Terabit/s on fiber Physical layer changes without changing protocols Automotive: 100 Megabit/s 1 Gigabit/s Ethernet is wide-spread Cost-efficient, reliable and secure

20 JLR view of vehicle electrical system Old definition Collection of ECUs and systems connected by networks New definition Complex distributed computer network, programmed as a car! John Leslie, Jaguar Land Rover

21 Thank you for listening

22 Optional Slides

23 About TCN Time Critical Networks (TCN) produces software o Modeling TCN TimeAnalyzer o Verification TCN StreamAnalyzer o Simulation TCN Simulator Unique analysis software for using Ethernet in time-sensitive applications o Create cost-effective & robust Ethernet networks With latency, jitter and no packet-drop guarantees Start-up under Chalmers Innovation o From years of research Real-time systems and schedulability analysis o ~5 employees Owned by Chalmers Innovation and management

24 Ways to evaluate Ethernet traffic Thilo Streichert, Daimler Mercedes Benz & Chrysler

25 Automotive Ethernet Thomas Hogenmüller, Bosch & OPEN Alliance

26 When & where Possibility to phase out Thomas Hogenmüller, Bosch & OPEN Alliance

27 Automotive market for Ethernet

28 Automotive Ethernet Demand Source: Strategy Analytics Oct 2014

29 Automotive market potential Some numbers o Million vehicles will be produced o 35 Ethernet ports (20 avg) in premium class vehicles o 20 (8 avg) in medium class vehicles Estimated Ethernet ports: o 420 Million ports 420 Mio Thomas Hogenmüller, Bosch & OPEN Alliance

30 Compare to CAN market o Millions CAN Nodes in CAN link = 1 PHY, 1 Ethernet link = 2 PHYs o Automotive business is compared to consumer electronics a very stable business o Once in, it will stay for several vehicle platform generations (typical platform cycle 7 years) 2000 Mio Thomas Hogenmüller, Bosch & OPEN Alliance

31 Compare to LAN market

32 Alliances and Standardization

33 OPEN Alliance The OPEN Alliance (One-Pair Ether-Net) Special Interest Group (SIG) o Non-profit, open industry alliance of mainly automotive industry and technology providers o Stepping Stone to Standardized Automotive Ethernet

34 OPEN Alliance OPEN Alliance was developed outside of the IEEE (Ethernet) o Adopted IEEE (Ethernet) framework Resulted in a complete Eco-System for one-pair 100Mbit/s Automotive Ethernet o UTP cables, connectors, magnetics, test equipment & software for the support of one-pair 100Mbit/s solution well beyond the PHY definition Deployed in the automotive industry today

35 Developing trust in new technology Positive experience Specifications Validation results Availability of parts Developing tools Increased confidence level Dr Olaf Krieger, VW