利用 SOA 通信中间件和 TSN 实现软件定义车辆.pdf

1、TTTech-Auto-InternalLeveraging SOA Communication Middleware with TSN for Software Defined VehiclesTTTech Auto AGSeptember 28,2023Jakob Zwirchmayr Product InnovationShashank Gaur Pre-SalesETHERNET&IP AUTOMOTIVE TECHNOLOGY DAY19-20 September 2023|So Paulo,BrazilTypical single-ECU functionsControl loop

2、s with strict timing requirements(event-chains)September 28,2023Requirement A:vehicle stops within x ms at speed of y kph if event z happens(Sub-)System X needs to detect event z within a ms and trigger reaction of(sub-)system Y within b msSensor Input Pre-processing Compute Control Zonal Architectu

3、res and Software Defined VehiclesSeptember 28,2023 From single-ECU design to vehicle-wide multi-ECU designs Higher integration,no more isolated execution on SoCs/ECUs Cover distinct HW platforms,not just variants Consolidate and optimize hardware and communication paths Continuous updates to SW in a

4、 changing HW environmentUp-integration of legacy ECUFunctionality from domain controllers shifted towards ECUsZonal ArchitectureEvolutionSeptember 28,2023 Up-integration for new architectures:functionality increasingly realized in software Enables sharing of resources provided by different ECUs Enab

5、les optimization of communication flows and compute platforms Cloud/Edge connectivity becomes relevantSoftware DefinedVehicleSeptember 28,2023Realizing functionality mainly in Software enables evolution and consolidation of the Hardware platform and legacy systems!Same SW function Deployed in differ

6、entphysical architectures September 28,2023Consequences of Zonal ApproachesIntegration of applications from Classic AUTOSAR,POSIX,.Maintain real-time guarantees for communicationand FFI for safety-critical applications in a heterogenous and distributed mixed-criticalityenvironmentSoftware is continu