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Technical Paper

X-by-Wire: Opportunities, Challenges and Trends

2003-03-03
2003-01-0113
This paper will outline the results of a study performed to analyze the market introduction of x-by-wire applications in the context of weak global industry environment, technological and legislative challenges, standardization issues and end customer benefits. This paper attempts to provide a bird-view on influence factors and impacts for the x-by-wire market, including e.g. the end customer's acceptance and legal environment driving further development in specific areas. Further, major driving forces on semiconductor/component level will be outlined regarding e.g. pin-count, computation performance and heat dissipation, but also possible scenarios and solutions towards safe and efficient system design and partitioning.
Technical Paper

TTCAN from Applications to Products in Automotive Systems

2003-03-03
2003-01-0114
This paper outlines the results of a study performed to analyze the mission of TTCAN from applications to products for automotive systems. As commonly acknowledged communication is one of the key elements for future and even present systems such as an automobile. A dramatically increasing number of busses and gateways even in low- to midrange vehicles is putting significant burden upon the validation scenario as well as the cost. Accordingly, numerous new initiatives have been started worldwide in order to find solutions to this; some of them by the definition of enhanced or new protocols. This paper shall have a look particular on the new standard of TTCAN (time-triggered communication on CAN). This protocol is based on the CAN data link layer as specified in ISO 11898-1 and may use standardized CAN physical layers such as specified in ISO 11898-2 (high-speed transceiver) or in ISO 11898-3 (fault-tolerant low-speed transceiver).
Technical Paper

The BRAKE Project - Centralized Versus Distributed Redundancy for Brake-by-Wire Systems

2002-03-04
2002-01-0266
This paper presents the objectives and preliminary results of the BRAKE project - a joint effort of Delphi Automotive Systems, Infineon Technologies, Volvo Car Corporation and WindRiver. The objective of this project is to use microelectronics technologies to design a distributed Brake-by-Wire system including: A distributed fault tolerant system for enhanced safety An extension of the OSEK based operating system for a distributed time triggered architecture An open interface between vehicle control, and brake system control The results comprise the requirements, interface specification (see [1]), a full simulation model, a hardware-in-the-loop bench, and a demonstration vehicle. The application has been developed using advanced automatic code generation for Infineon's TriCore based automotive microcontrollers.
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