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Journal Article

AUTOSAR Based Multicore Software Implementation for Powertrain Applications

2015-04-14
2015-01-0179
The combustion engine will be the dominant drive for motor vehicles despite all the advances in the electrification of the drive train, for many years. The greater are the challenges for the automotive industry, especially in fuel consumption (CO2) and the environmental impacts of other emissions. From the fuel supply to the engine, up to the exhaust after treatment, new or improved functions are needed, which are integrated into increasingly powerful control electronics. This modern electronic engine management and powertrain controller will remain key components in the vehicle. As most of the micro controllers for future applications will be MultiCores, this paper gives an overview on how PowerSAR® supports this kind of architectures. It shows the concepts applied in the basic software area as well as for the applicative software. Further it will show the impact on the development process as well as the integration support for software delivered by the OEM.
Technical Paper

Exploration of the Real Time Behavior of Event Chains by Simulation and Measurement of “In-Vehicle Networks”

2021-09-22
2021-26-0490
Recent years, transformation in automotive industry have a huge technology growth. FlexRay, Control Area Network (CAN), Local Interconnect Network (LIN), CAN-FD, Automotive Ethernet are the principal automotive communication protocols used in today’s Electric and Electronic Vehicle Architectures (E/E architecture) . CAN protocol is still used in a wide range amongst the automotive communication protocols. But such predominantly used CAN protocol doesn’t have clear appropriateness of overhead, latency and deterministic performance behavior. In order to analyze these complex uncertainty behaviors should be identified. Here, the project with AUTOSAR based communication stack is being used. This paper deals with timing analysis of event chains including processing on transmitting and receiving Electronic Control Unit (ECU) and CAN communication in between by tracing runtime from End-to-End (E2E) for a dedicated event chain.
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