Central Platform ECU for Advanced Driver Assistance
TTTech has more than 10 years of experience in developing safety-relevant software modules used in aerospace, railway, off-highway machinery, and automotive systems. With this background, we developed a concept to separate critical and non-critical software parts in one ECU. Together with Vector Informatik, a leading supplier of automotive standard software with high reputation, we offer MICROSAR Safe.
MICROSAR Safe is the enhancement of the Vector Informatik AUTOSAR basic software with safety modules developed within the partnership. This MICROSAR solution enables the re-use of proven modules, together with TÜV-approved safety-relevant software modules developed according to ISO 26262 up to ASIL D, on one ECU.
The key to cost-effective development of safety-relevant control units is to separate critical software modules from standard services. Thus, with MICROSAR Safe the costly development according to the requirements of ISO 26262 can be focused on a few modules, with all the services not participating in critical functions being developed at much lower cost or being adopted as a standard solution. To make such separation possible ISO 26262 identifies three aspects:
The necessary monitoring functions are part of MICROSAR Safe, the AUTOSAR Basic Software solution. The proven standard components by Vector Informatik are extended with safety modules jointly developed by TTTech and Vector Informatik, thus forming a standard AUTOSAR solution that can be used in safety-relevant ECUs according to ISO 26262 up to ASIL D.
MICROSAR Safe offers specific safety modules than can be used individually or in combination with other modules: