Functional program testing and analysis
Functional program testing and analysis
The Art of Software Testing
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Nowadays the number of vehicles equipped with electronic components is increasing rapidly by replacing mechanical and hydraulic systems. The most advanced cars function appropriately via more than 50 Electronic Control Units (ECUs), sensors and actuators that exchange more than 2500 electronic signals among them. The electronic components are interconnected with automotive bus systems. There are several bus systems that have been developed or improved in automotive bus systems to meet the different requirements for automotive applications: Local Interconnection Network (LIN), Controller Area Network (CAN), FlexRay and Media Oriented System Transport (MOST). However, there are demands to combine these different bus systems to increase the efficiency and safety of the vehicle systems. Failure management is a most challenging problem in car industry since the integrated automotive system needs to communicate with software/hardware components on the different bus systems in a car. The discussion on how to interconnect those automotive bus systems in a safety-critical way is addressed in the paper, where failure management should be applied.