TTTech Automotive, TTTech’s subsidiary for FlexRay solutions, has developed an innovative FlexRay-based platform for chassis electronics within the PEGASUS pilot project. Together with AEV, a subsidiary of AUDI AG, a cross-functional concept for an electronic architecture was designed and implemented in a concept car.PEGASUS, a German acronym meaning pilot project for developing a comprehensive automotive system and software architecture, successfully integrated safety-relevant applications in an intelligent way. An innovative platform for chassis electronics was developed and implemented in an Audi S4 Avant-based concept car.
“The PEGASUS project is one more instance of our successful cooperation with TTTech,” states Walter Streit, managing director of Audi Electronics Venture GmbH (AEV). “The Vienna-based technology company proved to be a highly competent development partner in the area of FlexRay-based system architecture.”
The objective of the PEGASUS project was to demonstrate the benefits of the time-triggered FlexRay technology. Essential vehicle dynamics applications were deployed to illustrate the feasibility of the time-triggered platform. Its assets as compared to today’s commonly used CAN topology were highlighted. One of the major challenges was to interconnect different bus systems in the car. Another requirement was to combine existing chassis electronics and software structures of the automotive OEM and the time-triggered FlexRay technology, which had been tried out in other applications.
“We are very pleased that TTTech Automotive could make a significant contribution to the design of the PEGASUS concept car, says Marc Lang, Director Sales, TTTech Automotive. “The project was a major step to implementing the time-triggered FlexRay technology.”
Within the PEGASUS project, a definite migration path for the concrete deployment of FlexRay in future cars was defined. The use of FlexRay-based hardware and software allowed a better integration of existing functionalities and provided a basis for designing new applications. The PEGASUS project proved the potential of the time-triggered FlexRay-based technology, as it was employed in the integration of vehicle dynamics controls.
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