The following documents are available for download (P: practical paper, S: scientific paper):
More scientific and research papers on SymTA/S can be found at the publications page of the Institute of Computer and Communication Network Engineering, Technical University of Braunschweig.
- Download Paper
A practice-oriented paper with several SymTA/S application examples on OSEK, CAN, and FlexRay published in "Proceedings of Embedded World Conference, Nürnberg, Germany, February 2008":
- single ECU scheduling analysis
- OSEK configuration and optimization
- customization of analysis libraries and plug-ins
- CAN bus analysis and optimization
- transitioning from CAN to FlexRay
- system-level analysis and integration
- supply-chain considerations
- Download Slides
Practice-oriented talk describing how SymTA/S scheduling analysis helped BMW in verifying and optimizing an OSEK ECU of their new Active Front Steering System. The talk was held at the EUROFORUM "SW im Automobil", 2007:
- reliability enhancements
- resolving critical timings
- scheduling analysis in HIL testing
- exploiting ECU performance reserves
- cost savings
The slides are only available in German.
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A practice-oriented paper about roles of OEMs and suppliers in network integration, specifically for CAN, published in "Proceedings of SAE World Congress, Detroit, Michigan, USA, 2007":
- network integration problem definition
- OEM and supplier view
- possible optimizations and required data
- supply-chain considerations
- constraints and refinement
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Practice-oriented paper on scheduling effects that require consideration when designing FlexRay systems, published in "Proceedings Design & Elektronik Entwicklerforum KFZ-Elektronik, Ludwigsburg, May, 2007":
- how deterministic is FlexRay timing
- synchronization of ECU schedules with FlexRay
- asynchronous ECUs on FlexRay
- the timing of the dynamic FlexRay segment
- supply-chain use cases
This paper is only available in German.
- Download Paper
Scientific paper introducing the unique SymTA/S technology, published in "IEE Proceedings Computers and Digital Techniques, 2005":
- introduction into performance modeling
- SymTA/S application model
- event streams and interfaces
- activation modeling
- context information
- exploration and sensitivity analysis
- example
- rich literature list
- Download Paper
Scientific paper introducing the SymTA/S optimization and exploration technology, published in Kluwer/Springer Journal on Real-Time Systems, Volume 33, Issue 1-3 (July 2006), pp. 101 - 137:
- formal core of SymTA/S, including application and analysis model
- related work in exploration and optimization
- SymTA/S design space exploration approach incl. search space encoding and the user-controlled exploration strategy
- realization of the SymTA/S exploration framework based on multi-objective evolutionary exploration techniques
- several exploration examples of a synthetic SoC example
- rich literature list