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Total vehicle integration and design is a complex process and deals with interactions of many subsystems. The subsystems in a vehicle not only have to perform their role but interfaces between the subsystems must be well understood to design for all the interactions. The global automotive market is following electrification, digitization and connectivity trends that eventually lead to Autonomy. Therefore, the vehicle integration design process needs to include these new use cases of these trends. The process starts with establishing the top-level vehicle metrics relative to key deliverables of the vehicle ranging from providing comfortable environment to the driver to good performance. The process of establishing vehicle level metrics is not trivial and quite often must be derived from the customer verbatim. Frequently, there are conflicting requirements and priority must be given to one over another.

Ensuring the safety of vehicle occupants has always been the primary focus of automakers. To achieve this goal, they have invested in the development of active safety features, which are designed to prevent accidents from occurring in the first place. These innovations are driven by a desire to save lives and reduce the risk of injury or death on the road. The implementation of advanced driver assistance systems (ADAS) and automated driving functions requires a high level of complexity and coordination between various subsystems. To meet these challenges, modular design of the domain controller has emerged as a promising approach. By separating the controller into smaller, specialized modules, it is possible to more efficiently and effectively manage the various functions needed for ADAS and automated driving.