Definition Of System Architecture Research Articles

Large language models in complex system design

AbstractThis paper investigates the use of Large Language Models (LLMs) in engineering complex systems, demonstrating how they can support designers on detail design phases. Two aerospace cases, a system architecture definition and a CAD model generation activities are studied. The research reveals LLMs' challenges and opportunities to support designers, and future research areas to further improve their application in engineering tasks. It emphasizes the new paradigm of LLMs support compared to traditional Machine Learning techniques, as they can successfully perform tasks with just a few examples.

Simulation Assisted Development of SOFC Power Generation

SOFC Power Generation systems are getting more and more popular in the stationary and marine sector, to move away from traditional internal combustion engines, not only to reduce emissions, but also for higher system efficiency. In this presentation AVL shows how system simulation was initially used for definition of appropriate system architecture, following by correct component selection to fulfill contract efficiency and performance targets. To get the most reliable results at any point of V process development, simulation tool has to be predictive enough in concept phase and it should also offer simple parameterization of components where more data is available, either from component supplier or actual measurements. The complete workflow will be shown to have an idea how AVL is utilizing the software at any point of the V process for SOFC system development.

From Model‐based to Model and Simulation‐based Systems Architectures—Achieving Quality Engineering through Descriptive and Analytical Models

ABSTRACTSystems architecture design is a key activity that affects the overall systems engineering cost. Hence it is fundamental to ensure that the system architecture reaches a proper quality. In this paper, we leverage model‐based systems engineering (MBSE) approaches and complement them with simulation techniques, as a promising way to improve the quality of the system architecture definition, and to come up with innovative solutions while securing the systems engineering process.

From Model‐based to Model and Simulation‐based Systems Architectures – achieving quality engineering through descriptive and analytical models

AbstractSystems architecture design is a key activity that affect the overall systems engineering cost. Hence it is fundamental to ensure that the system architecture reaches a proper quality. In this paper, we leverage on MBSE approaches and complement them with simulation techniques, as a promising way to improve the quality of the system architecture definition, and to come up with innovative solutions while securing the systems engineering process.

A Collective Intelligence Platform to Support Older Cancer Survivors: Towards the Definition of LifeChamps System and Big Data Reference Architecture.

Within the most recent years, most of the cancer patients are older age, which implies the necessity to a better understanding of aging and cancer connection. This work presents the LifeChamps solution built on top of cutting-edge Big Data architecture and HPC infrastructure concepts. An innovative architecture was envisioned supported by the Big Data Value Reference Model and answering the system requirements from high to low level and from logical to physical perspective, following the "4+1 architectural model".

Introduction of System Architecture Definition into the Conceptual Phase of A Project

Introduction of System Architecture Definition into the Conceptual Phase of A Project

DESIGNING A TASK ALLOCATOR FRAMEWORK FOR DISTRIBUTED COMPUTING

Software Frameworks attempt to capture and implement a software system architecture that is reusable. A frameworks, thus, is a semicode that needs to be customized for a particular reuse. The problem of finding an optimal task allocation in distributed computing system (DCS) is an NP-hard. There are various task allocation algorithms and hence a Task Allocator may implement any of them. Any Task Allocator, hence will have many portions that can be reused to define and implement a Task Allocator. In distributed system a Task Allocation mechanism may be replaced by a new one if a standardized definition of a reusable system architecture for this purpose is available. This work attempts at formalizing a system architecture of a Task Allocator by proposing a framework for the purpose. Here we start the design methodology for OO software and identify the various parts of the software system architecture for task allocation. This effort finally results into a semicode framework. The interesting conclusions include “Identification of that code portion of the semicode framework that does not change when reused”, “Characteristics of the code portion that need customization” and the nature of framework definitions that need to be coded at the time of reuse. In this work OO design of various activities of task allocation process has been carried out as per the OO design methodology. To be objects have been identified the dynamic and functional modeling along with identification use cases, corresponding scenarios and data flow diagrams.

A systematic methodology for Prognostic and Health Management system architecture definition

Prognostic and Health Management (PHM) systems support aircraft maintenance through the provision of diagnostic and prognostic capabilities, leveraging the increased availability of sensor data on modern aircraft. Diagnostics provide the functionalities of failure detection and isolation, whereas prognostics can predict the remaining useful life (RUL) of the system. In literature, PHM technologies have been studied from different perspectives, covering various aims such as improving aircraft system reliability, availability, safety and reducing the maintenance cost. From a design perspective, several conceptual formulations of design methodologies are available, enabling a set of PHM system architectures based on different frameworks and the derivation of system requirements. However, a systematic methodology towards a consistent definition of PHM architectures has not been well established. The characteristics of architectures have not been dealt with in depth. To address these gaps, this paper presents a systematic methodology for PHM architecture definition to ensure a more complete and consistent design during the development phase of the product lifecycle. Moreover, a generic PHM architecture in accordance with this systematic methodology is proposed in this article. A case study is conducted to verify and validate the architecture, ensuring it meets the requirements for a correct and complete representation of PHM characteristics.

Evaluating System Architecture Quality and Architecting Team Performance Using Information Quality Theory

As engineering projects grow in complexity, estimating the required engineering effort during the development phase of a project has become more art than science. Predictions of required engineering effort are based on empirical models fitted to historical data with additional subjective factors, such as “team cohesion,” applied based on the judgment of the user of the model. Recent work has shown that information quality theory can be used to estimate the engineering effort necessary to develop system requirements by evaluating the change in requirements uncertainty during the requirements engineering process. This paper builds upon that foundation by generalizing the information quality theory to apply to the variety of system engineering artifacts generated during the development phase of a program. The generalized form of information quality theory is implemented in a model for application to the system architecture definition process. Engineering effort required for system architecture definition on four programs is used to evaluate both the performance of the model and the performance of the system architecture definition teams. The results of the model and program evaluations show clear benefits in reducing the engineering effort required to define a system's architecture when there is reuse from previous programs. The results of the evaluation also show the architecture definition team benefits from “momentum” and performs more efficiently if the team has completed a system's architecture definition on a recent program.

The influence of quality management systems for improvement of logistics supply in Poland

Research background: ISO 9001 with its requirements gives a company a guidance on the definition of the quality management system architecture, based on the process approach and the indications for its continuous improvement. Despite the general emphasis to the benefits of implementation of ISO 9001 in the literature, there is a still lack of research concerning the actual impact of quality management systems for improving specific logistics processes. The research is focused on the Polish market because there is no research in the subject literature which concerns the impact of the implementation of quality management systems on the improvement of logistic processes in Polish enterprises.
 Purpose of the article: The focus of this publication was to examine the impact of the implementation of the requirements of ISO 9001 for process improvement supply logistics.
 Methods: Empirical studies were carried out in September and October 2014 on a group of 17 companies with implemented and certified quality management systems according to ISO 9001. The research tool was a questionnaire survey sent to management representatives (25 respondents) and workers (140 respondents). The surveys were supplemented with direct interviews with employees of the companies.
 Findings: Based on the survey it can be stated that the quality management systems, accord-ing to ISO 9001, had a fairly large impact on improving procurement processes. This is particularly evident in areas including relationships with suppliers, quality control, workflow and communication, both internal and external. The positive aspects achieved through the implementation of quality management systems due to the fact that the ISO 9001 standard in its commitments puts great emphasis on the organization of the procurement process.

A SMARTPHONE-BASED 3D PIPELINE FOR THE CREATIVE INDUSTRY – THE REPLICATE EU PROJECT

Abstract. During the last two decades we have witnessed great improvements in ICT hardware and software technologies. Three-dimensional content is starting to become commonplace now in many applications. Although for many years 3D technologies have been used in the generation of assets by researchers and experts, nowadays these tools are starting to become commercially available to every citizen. This is especially the case for smartphones, that are powerful enough and sufficiently widespread to perform a huge variety of activities (e.g. paying, calling, communication, photography, navigation, localization, etc.), including just very recently the possibility of running 3D reconstruction pipelines. The REPLICATE project is tackling this particular issue, and it has an ambitious vision to enable ubiquitous 3D creativity via the development of tools for mobile 3D-assets generation on smartphones/tablets. This article presents the REPLICATE project’s concept and some of the ongoing activities, with particular attention being paid to advances made in the first year of work. Thus the article focuses on the system architecture definition, selection of optimal frames for 3D cloud reconstruction, automated generation of sparse and dense point clouds, mesh modelling techniques and post-processing actions. Experiments so far were concentrated on indoor objects and some simple heritage artefacts, however, in the long term we will be targeting a larger variety of scenarios and communities.

MUHCAR: UNA PROPUESTA PARA EL APOYO DE EXHIBICIONES EN EL MUSEO HISTÓRICO DE CARTAGENA

The purpose of this paper is to describe the proposal for an augmented reality system to support processes museum displays historic Cartagena. The relevance of this proposal focuses on increasing the turnout of visitors and reach new audiences. Contemplated methodological aspects, based on applied research, implementation of instruments for data collection, consultation specialized databases, in addition to implementing stages of analysis of system requirements, design and architecture definition of operation and finally, development and testing operation. Among the main results a client / server architecture is highlighted in a distributed local environment, consisting of a web module resources management and hypermedia, augmented reality application downloadable for mobile devices with Android operating systems. Acceptance of technological means in these areas is positive, but requires a broad and thorough technical display.

TECNOLOGIAS MÓVEIS NA SALA DE AULA: SELEÇÃO E ANÁLISE DE APLICATIVOS PARA PRODUÇÃO ESCRITA

The purpose of this paper is to describe the proposal for an augmented reality system to support processes museum displays historic Cartagena. The relevance of this proposal focuses on increasing the turnout of visitors and reach new audiences. Contemplated methodological aspects, based on applied research, implementation of instruments for data collection, consultation specialized databases, in addition to implementing stages of analysis of system requirements, design and architecture definition of operation and finally, development and testing operation. Among the main results a client / server architecture is highlighted in a distributed local environment, consisting of a web module resources management and hypermedia, augmented reality application downloadable for mobile devices with Android operating systems. Acceptance of technological means in these areas is positive, but requires a broad and thorough technical display. Keywords: Software Development, Mobile Devices, Historical Museum, Augmented Reality, Communication Systems.

Multiple-Scenario Unmanned Aerial System Control: A Systems Engineering Approach and Review of Existing Control Methods

The use of unmanned aerial systems (UASs) in both the public and military environments is predicted to grow significantly. As the demand for UASs grows, the availability of more robust and capable vehicles that can perform multiple mission types will be needed. In the public sector, the demand will grow for UASs to be used for agriculture, forestry, and search and rescue missions. Militaries continue to demand more UAS capabilities for diverse operations around the world. Significant research has been performed and continues to progress in the areas of autonomous UAS control. A majority of the work focuses on subsets of UAS control: path planning, autonomy, small UAS controls, and sensors. Minimal work exists on a system-level problem of multiple-scenario UAS control for integrated systems. This paper provides a high-level modular system architecture definition that is modifiable across platform types and mission requirements. A review of the current research and employment of UAS capabilities is provided to evaluate the state of the capabilities required to enable the proposed architecture.

A knowledge-based workflow to dynamically manage human interaction in extended enterprise

Extended enterprises require novel modes of organizing companies and managing collaboration. Although the promise of Information Communication Technologies to connect people, processes and information, it is worth to notice that current implementations are strongly document-oriented and do not enable flexible workflow management overcoming well-known inter-enterprise integration difficulties. The long-term goal of the research is the study of a new methodology and the development of dedicated software tools to facilitate the dynamic collaboration among 21 companies participating to a research project, funded by the Italian Economic Ministry, called CO-ENV. The definition of dynamic workflow system architecture represents the step forwards the implementation of a collaborative platform. Preliminary benchmarking of available systems and techniques, the product development process analysis of the project participant companies and a possible structure of the system are well illustrated. Examples of expected and unexpected exceptions are reported and differences between static and dynamic workflow management systems are discussed.

GALILEO system overview

This paper presents a brief description of the GALILEO services and summarizes the main performance parameters. The current status of the system architecture definition is presented in a concise overall view on the various elements of the system and their functions with a main focus on the GALILEO ground segment.

Survivable network system analysis: a case study

The Survivable Network Analysis method permits assessment of survivability at the architecture level. Steps include system mission and architecture definition, essential capability definition, compromisable capability definition, and survivability analysis of architectural soft-spots that are both essential and compromisable. The article summarizes application of the method to a subsystem of a large-scale, distributed health care system.

System architecture and its use in safety-related telematics systems

The term `system architecture' has many slightly different definitions and/or uses. A system architecture becomes essential when a number of subsystems are being integrated. Integration is not simply concerned with the communication between the subsystems but also any conflicting assumptions inherent in each subsystem. The Converge-SA methodology fits each definition of system architecture into one of four levels of abstraction. The resultant system architecture provides the basis for a family of working and workable systems. The paper discusses levels of system architecture and its use in safety-related telematics systems.

“Working Together”: The Boeing 777 Cabin Management System

AbstractThe new Boeing 777 Cabin Management System (CMS) is being developed by the Boeing Defense & Space Group Commercial Avionics Systems (CAS) for the Boeing Commercial Airplane Group (BCAG). CAS is performing the detailed system engineering based on BCAG provided system requirements. With both of these groups involved in the development effort, the system engineering process being employed utilizes system engineering elements from both organizations. As might be expected, combining system engineering methods from both groups necessitates the use of an integrated approach. Challenges arise from administrative as well as technical viewpoints. Many considerations have to be addressed, including the level of functional development and system architecture definition specified by each group, the use of requirement development teams and their responsibilities, the form and content of the deliverable system engineering products, and the establishment of and requirements for key system engineering milestones.This paper defines the various aspects of the system engineering approach being applied to the Boeing 777 CMS system engineering task. The steps that have been taken to integrate the two groups are explained and analyzed to provide insight into how to apply an integrated system engineering approach to a product development effort.