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2008 : Brake-by-Wire distributed application subsystem in the DECOS integrated architecture

Author(s)
Martin Elshuber
Abstract
The progress of the semiconductor industry makes it economically feasible to replace mechanical and hydraulic control systems by embedded computer systems and to increase their functionality far beyond the capabilities of the systems they replace. The Dependable Embedded Components and Systems (DECOS) architecture provides a framework for implementing safety-critical and non safety-critical real-time applications onto one single distributed system connected by a single fault tolerant communication network. This work describes the process of porting an existing Brake-by-Wire application, utilizing a simulated vehicle, to a DECOS prototype cluster. The application is designed to tolerate soft- and hardware failures. Two vehicle models are described, implemented and analyzed with respect to reliability, correctness as well as practicability in a real vehicle.
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