Design Methods and Applications for Distributed Embedded by Bernd Kleinjohann, Guang R. Gao, Hermann Kopetz, Lisa

By Bernd Kleinjohann, Guang R. Gao, Hermann Kopetz, Lisa Kleinjohann, Achim Rettberg

The ever reducing price/performance ratio of microcontrollers makes it economically appealing to exchange a growing number of traditional mechanical or digital regulate structures inside of many items through embedded real-time desktops. An embedded real-time laptop procedure is usually a part of a well-specified greater method, which we name an clever product. even though so much clever items start off as stand-alone devices, a lot of them are required to engage with different structures at a later level. at the moment, many industries are in the course of this transition from stand-alone items to networked embedded structures. This transition calls for mirrored image and architecting: the complexity of the evolving dispensed artifact can purely be managed if cautious making plans and principled layout equipment substitute the ad-hoc engineering of the 1st model of many standalone embedded items. layout equipment and purposes for dispensed Embedded platforms files contemporary techniques and effects awarded on the IFIP TC10 operating convention on disbursed and Parallel Embedded platforms (DIPES 2004), which was once held in August 2004 as a co-located convention of the 18th IFIP global computing device Congress in Toulouse, France, and subsidized through the overseas Federation for info Processing (IFIP). the themes that have been selected for this operating convention are very well timed: model-based layout tools, layout house exploration, layout methodologies and consumer interfaces, networks and communique, scheduling and source administration, fault detection and fault tolerance, and verification and research. those issues are supplemented through a number of and alertness orientated papers.

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Our method can avoid this problem by model checking AsmL specifications directly. 6. CONCLUSION AND FUTURE WORK In this paper we have presented a verification framework designated for formal verification and validation of UML-based design of embedded systems. The main ideas consist in using the AsmL specification language to define the formal semantic model of the supported part of UML and consequently applying model checking technique directly on the resulting AsmL semantic model. In addition, we have introduced two model checking methods, on-the-fly model checking and incremental model checking that we hope, are suitable for verifying large complex system models.

CDH+00] J. C. Corbett, M. B. Dwyer, J. Hatcliff, and Robby. A Language Framework for Expressing Checkable Properties of Dynamic Software. In SPIN Software Model Checking Workshop, pp. 205-223. Stanford, CA. 2000. [CGP00] E. M. , O. Grumberg, and D. A. Peled. Model Checking. MIT Press. 1999. [DAC99] M. B. Dwyer, G. S. Avrunin and J. C. Corbett. Pat-terns in Property Specifications for Finite-State Verification. In Proc. of the 21st International Conf. on Software Engineering, pp. 411-420. May, 1999.

Observers are functions that return observable values in an OTS. By introducing observers that return real numbers, called physical observers, OTSs can deal with hybrid systems. Such OTSs are called hybrid observational transition systems, or HOTSs. In this paper, we describe HOTSs and demonstrate that equations can be used to specify hybrid systems and equational reasoning can be used to verify that hybrid systems have properties using a case study in which a temperature stabilizer is modeled and verified.

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