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Technical Paper

ISO 26262 Release Just Ahead: Remaining Problems and Proposals for Solutions

2011-04-12
2011-01-1000
The release of ISO 26262 is only about three months after the 2011 World Congress. However, there are still some contentious aspects that can introduce challenges or cause a disproportionate effort. In this paper, we will show how to avoid these problems. ISO 26262 provides a detailed method for classifying the Automotive Safely Integrity Level (ASIL) of in-vehicle electronic systems. However, the ASIL value for a specific function/product can vary significantly across the industry. Applying a lower level than the industry norm can cause substantial liability problems. Applying a higher level can initiate an “arms race” with competitors. This is particularly true if there are no vehicle-related reasons for choosing the higher level or if it doesn't make the product any safer. To encourage international harmonization, this paper will define ASIL classifications for the main automotive components. Most functions/products are currently being developed using parts of existing products.
Technical Paper

Ethernet and IP - The Solution to Master Complexity, Safety and Security in Vehicle Communication Networks?

2011-04-12
2011-01-1042
The development of vehicle communication networks is challenged not only by the increasing demand in data exchange and required data rate but also the need to connect the vehicle to external sources for personal connectivity of driver and car to infrastructure applications. Solutions are required to master complexity of in-vehicle communication networks, e.g. diagnostic access, flashing of Electronic Control Units, the data backbone connecting the vehicle domains and the data transfer of cameras. Safety (data transfer) and security (violation) issues of the communication networks gain more importance especially by introducing interfaces to external sources either via mobile devices or by connecting the vehicle to other external sources, e.g. Internet and Car to Infrastructure applications. The Internet Protocol (IP) appears to be an ideal solution to address these challenges, especially in connection with an Ethernet physical layer for fast data transfer.
Journal Article

(R)evolution of E/E Architectures

2015-04-14
2015-01-0196
Abstract This paper presents an overview of the evolution & revolution of automotive E/E architectures and how we at Bosch, envision the technology in the future. It provides information on the bottlenecks for current E/E architectures and drivers for their evolution. Functionalities such as automated driving, connectivity and cyber-security have gained increasing importance over the past few years. The importance of these functionalities will continue to grow as these cutting-edge technologies mature and market acceptance increases. Implementation of these functionalities in mainstream vehicles will demand a paradigm shift in E/E architectures with respect to in-vehicle communication networks, power networks, connectivity, safety and security. This paper expounds on these points at a system level.
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