System models are constructed to design, study, and understand complex systems. According the systems modeling language (SysML) that is a standard for model-based system engineering, all engineering activities should be performed using common model. To validate defined in SysML, simulation usually employed. There numerous efforts simulate SysML different methods tools. However, efficient support of automated generation executable code still an issue tangled by research community. This paper...

Systems Modeling Language (SysML) is used to define hierarchical system models in model-based engineering (MBE). Although SysML may effectively serve the description of complex systems, it can not support all activities. For example, validation usually performed via simulation. In this case, should be transformed domain-specific models, e.g. executable simulation suitable for specific tools. This paper identifies key issues efficient model simulation, utilizing Model Driven Architecture...

Discrete event simulation specification (DEVS) is a formalism facilitating hierarchical and modular description of the models executed using DEVS simulators. Lack standardized, easy-to-use interface enabling practitioners to define their an important drawback, since in most cases are defined as C++ or Java programs based on existing simulator-specific libraries. Standard MDA concepts can be applied for construction different programming environments. DEVSML, platform-independent, XML-based...

SysML language, proposed by OMG, is a commonly accepted standard to model and study systems-of-systems (SoS). It provides the means depict SoS components their behavior in multi-layer fashion explore alterative architectures for design. To validate models terms of performance criteria, simulation usually preferred method employed. this end, different diagrams are utilized, while numerous methodologies tools There many efforts targeting code generation from models. Model-based system...

Systems Modeling Language (SysML) is an object management group standard for systems-of-systems engineering. It enables the description of complex system models; however, it cannot effectively support all engineering activities. For instance, performance evaluation usually performed via simulation. In this case, transformation SysML models to executable simulation specific methodologies and tools required. Model a key component addressing challenges seamless integration model in model-based...

Web services enhance current functionality by altering its nature from document to service-oriented. As the number of increases, it becomes increasingly important provide a scalable infrastructure registries that allows both developers and end-users perform discovery semantic enabled services. The needs be based on QoS characteristics in order enable result ranking service selection. Current publication mechanisms, such as UDDI, either address these issues partially or not at all. In this...

Though there are numerous efforts for simulating SysML models, the automated generation of executable simulation code specific environments without any interference by system engineer is still an issue attracting researchers' attention. To become efficient and easy to use, such activity should be explored using standardized methods tools, as utilization MDA concepts model transformation. In this paper, we identified some basic guidelines based on existing models selection related tools...

Performance requirements play a significant role in the design of large-scale systems, such as enterprise information systems. Systems Modeling Language (SysML), proposed by Object Management Group (OMG) for system engineering, provides specification, though verification method quantitative performance ones is lacking. In systems domain, are usually verified using simulation. To integrate simulation capabilities into SysML authors have concept Evaluation View, discrete diagram to specify...

A particular problem in the practical application of Model-Based Systems Engineering (MBSE) for development complex products is effective integration other engineering models. The Model-Driven Process (MDEP) addresses this by providing clearly defined insert points domain models and simulation engines. In Closed-Loop (CLOSE) Experimentable Digital Twins (EDTs) are integrated MDEP to realistically simulate how system functions would be executed physical parts developed product. CLOSE thus can...

Model-based Systems Engineering (MBSE) promises efficient and effective systems development, by providing integrated system model views streamlining the transition between different development activities. For instance, testing with simulation should be provided as a simple facility for performance evaluation of complex systems. Transportation are their behavior is determined dynamic factors. However, research efforts define models transportation systems, using custom or simulation-specific...

Abstract The concept of Level Service (LoS) is not inherently supported by Systems Modeling Language (SysML), the standard modeling notation for model‐based systems engineering. This paper describes and demonstrates an approach that enhances SysML to enable LoS evaluation. A profile enables definition visual verification during system operation, via specific requirements, inside model, association these requirements with components. Hence, static dynamic aspects model are used verification,...

A central promise of Model-Based Systems Engineering (MBSE) is to provide all members a development team with the right tools manage information about their product throughout its life-cycle. The key deliver this pragmatic methodology without introducing new overheads, steep learning curves or need buy expensive software. Model-Driven Development Approach (MDDP) addresses these issues by combining best-practices from MBSE and Lean Information Management. It provides structure for salient...

A central promise of Model-Based Systems Engineering (MBSE) is to decrease the volume information produced during system design lifecycle through improved structure and smarter reuse across numerous perspectives architectural levels. The study variants a core challenge within MBSE due associated exponential growth, complexity created by this extra dimensionality. Variant management has been discussed extensively for physical layer, but lacks research focusing on functional logical layers,...

Interfaces (IF) and their Management (IFM) are a particular challenge in the successful development of complex products operating environment. In Closed-Loop Systems Engineering (CLOSE) IFM is fully integrated into its Model-Driven Process (MDEP). CLOSE provides automated IF modelling, traceable history, an efficient handling negotiations effective de-coupling interfacing systems. Especially combination with CLOSE's Experimentable Digital Twins (EDTs), becomes vital resource for process,...

Variant exploration is often construed as synonymous with a significant increase in work and decrease clarity. Model-Based Systems Engineering (MBSE) has been heralded potential solution to streamline the process by supporting of numerous parallel variants within common multidimensional model. Successful decoupling from their surroundings supports development interfacing systems without delay or impediment, thereby permitting deferment final decision on preferred technology choice. Still,...

The systems design process aims at providing a description of the system under development, with prospect to fulfill requirements imprinted in analysis phase. Systems Modeling Language (SysML) provides different types diagrams, facilitating digestion large and diverse amounts information, describing several aspects single model, while proper processing specific parts information contained model enables or enhances activities that may complement improve process.

Faster-than-real-time simulation (FRTS) is used when attempting to reach conclusions for the near future. FRTS experimentation proves be most demanding phase conducting FRTS, since it requires concurrent monitoring and management of both real system experiments. Having previously introduced a conceptual methodology specification experiments, we now propose an implementation framework, based on time Unified Modeling Language (RT-UML). The derived RT-UML model includes specific timing...

Railway Transportation Systems (RTSs) are systems of high complexity consisting other systems. Thus, they may be studied as Systems-of-Systems (SoS) using the Modeling Language (SysML). Since their purpose is to provide transportation services that have a critical role in urban societies and affect millions users, precisely evaluated, focusing on adequacy deliver expected service quality. In case RTSs, quality expressed by Level Service (LoS) indicators related passenger's experience within...