Modeling methodology for integrated simulation of embedded systems
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Predicate abstraction for reachability analysis of hybrid systems
ACM Transactions on Embedded Computing Systems (TECS)
Composing heterogeneous reactive systems
ACM Transactions on Embedded Computing Systems (TECS)
PHAVer: algorithmic verification of hybrid systems past HyTech
International Journal on Software Tools for Technology Transfer (STTT)
The Algebra of Connectors—Structuring Interaction in BIP
IEEE Transactions on Computers
Scalable Semantic Annotation Using Lattice-Based Ontologies
MODELS '09 Proceedings of the 12th International Conference on Model Driven Engineering Languages and Systems
Accurate hybridization of nonlinear systems
Proceedings of the 13th ACM international conference on Hybrid systems: computation and control
The TLA+proof system: building a heterogeneous verification platform
ICTAC'10 Proceedings of the 7th International colloquium conference on Theoretical aspects of computing
Formal verification of phase-locked loops using reachability analysis and continuization
Proceedings of the International Conference on Computer-Aided Design
An ontology-based approach to heterogeneous verification of embedded control systems
HSCC'05 Proceedings of the 8th international conference on Hybrid Systems: computation and control
A framework for comparing models of computation
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Compositional heterogeneous abstraction
Proceedings of the 16th international conference on Hybrid systems: computation and control
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Today's complex cyber-physical systems are being built increasingly using model-based development (MBD), where mathematical models for the system behavior are checked against design specifications using analysis tools. Different types of models and analysis tools are used to address different aspects of the system. While the use of heterogeneous formalisms supports a divide-and-conquer approach to complexity and allows engineers with different types of expertise to work on various aspects of the design, system integration problems can arise due to the lack of an underlying unifying formalism. In this paper, we introduce the notion of behavior relations to address the problem of heterogeneity and propose constraints over parameters as a mechanism to manage inter-model dependencies and ensure consistency. In addition, we present structured constructs of nested conjunctive and disjunctive analyses to enable multi-model heterogeneous verification. The theoretical concepts are illustrated using an example of a cooperative intersection collision avoidance system (CICAS).