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With the current world economic crisis and the responsibility of all citizens to “go green” comes the need to provide efficient means for improving energy consumption. For example, the demand for electricity is at its peak during the summer months in general and during hot summer days in particular. The increased use of electrical appliances, HVAC systems and electric vehicles for residential customers,...
Lightweight formal methods ought to provide to the end user the rigorousness of mathematics, without compromising simplicity and intuitiveness. Alloy is a powerful tool, particularly successful on this mission. Limitations on the verification side, however, are known to prevent its wider use in the development of safety or mission critical applications. A number of researchers proposed ways to connect...
In this paper we propose a rigorous methodology to create GUI-based DSLs formal tools. From a formal specification of a DSL we extract a metamodel and create a user-friendly (GUI) front-end. Then we use a code synthesizer to create a formally verified back-end. At the end we link both parts using a wrapper solution. We aim at providing a productive and trustworthy development methodology to safety...
To break the complexity of the formalisation process, we propose to model a functional requirement document of a control system as composeable monitored, controlled, mode and commanded sub-models. Influenced by the problem frame approach and the decomposition of the four-variable model, we suggest decomposing requirements of a control system into monitored, controlled, mode and commanded sub-problems...
The SystemC waiting-state automaton is a compositional formal model for verifying properties of SystemC at the transaction level within a delta-cycle: the smallest simulation unit time in SystemC. In this paper, we first propose how to extract automata for SystemC components where we distinguish between threads and methods in SystemC. Then, we propose an approach based on a combination of symbolic...
Frameworks are reusable software composed of concrete and abstract classes that implement the functionality of a domain. Applications can reuse framework design and code in order to improve their quality and be developed more efficiently. However, to develop software for reuse, such as a framework, is harder than to develop an application. Hence, in this paper we present an approach, named From Features...
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