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26th CIRP Design Conference

作者： Abdoli, Shiva Kara, Sarni Univ New South Wales Sch Mech & Mfg Engn Sydney NSW Australia

Warehouses perform series of interacting processes. Each process includes sub-processes and requires different resources. This structure makes warehouses complex-system or system-of-system (SOS) from design perspective. model based system engineering (MBSE) facilitates SOS design. On the other hand, object-oriented modeling (OO) is a well-known approach for capturing complexity of software systems. This paper aims leveraging conceptual design of warehouse, by applying OO in MBSE. In this context, warehouse is analyzed with respect to abstract processes which transform item status/unit. Afterwards, warehouse logical architecture is designed using these processes. Introduced approach develops coherent meta-model for generating design alternatives in conceptual design stage. Crown Copyright (C) 2016 Published by Elsevier B.V.

关键词： Warehouse complex system system of system model based system engineering object oriented design

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Designing Warehouse Logical Architecture by Applying Object Oriented model based system engineering

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Procedia CIRP 2016年 50卷 713-718页

作者： Shiva Abdoli Sami Kara School of Mechanical and Manufacturing Engineering The University of New South Wales Sydney Australia

关键词： Warehouse complex system system of system model based system engineering object oriented design

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Integration of model based system engineering into the digital twin concept

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Procedia CIRP 2021年 100卷 19-24页

作者： Yübo Wang Tanja Steinbach Jonathan Klein Reiner Anderl TU Darmstadt Datenverarbeitung in der Konstruktion Otto-Berndt-Str.2 Darmstadt 64287 Germany

For some years now, digitalization has made its way into all phases of the product life cycle. With the help of the modeling language SysML, model-based systems engineering (MBSE) represents a modern approach in product development. At the same time, the technologies of Industrie 4.0 and digital twin are opening up a new level of efficiency to producing companies. But entertainment technology is also finding its way into business: Virtual Reality (VR) provides an immersive and cost-effective way to perceive products in the early stages of product development. In order to provide these with quickly available data for display and simulation, it is worthwhile to expand the MBSE approach. This work describes how a product model can be extended by a simulative function structure. On the one hand, this work describes how the Cameo system modeler can be used to extend a product model with a simulative functional structure. On the other hand, it explains how to extend an existing product model by modeling the information required to efficiently and consistently translate an engineering Bill of Materials (EBOM) into a Manufacturing Bill of Materials (MBOM).

关键词： Digital Twin model based system engineering Industrie 4.0

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Best of Both Worlds: Using Explainable AI and model-based system engineering to Design Flight Guidance and Control systems

Best of Both Worlds: Using Explainable AI and Model-based Sy...

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AIAA Aviation Forum and Exposition

作者： Sherry, Lance Baldo, James Berlin, Brett Snisarevska-Donnelly, Oleksandra George Mason Univ Ctr Air Transportat Syst Res CATSR Fairfax VA 22030 USA George Mason Univ Sci Data Analyt Engn Program Fairfax VA 22030 USA George Mason Univ Syst Engn & Operat Res Fairfax VA 22030 USA

ISBN: (数字)9781624106101

ISBN: (纸本)9781624106101

Operationally Embedded Control systems (OECS), such as Flight Guidance and Control systems (FG&CS), are characterized by real-time stimulus-response behavior. The OECS generates commands to "plant" actuators based on emerging situations in the operational environment. An OECS is certified as "airworthy" when the functional design is considered complete such that an appropriate behavior for all operational situations is specified. Although Artificially Intelligent (AI) OECS can be developed more rapidly with Machine Learning (ML) than with traditional manual OECS development, analysis found that AI OECS exhibit gaps in the design of the functional behavior. Specifically, the AI OECS designs are either missing operational situations, or missing appropriate mapping of operational situations to behaviors. These two design issues are well-known issues in manual engineering and have been addressed with "model-checking" in model-based system engineering (MBSE) tools. This paper describes a unique OECS development process that joins Explainable Machine Learning (X-ML) for OECS development with model-based system engineering models and tools. A preliminary OECS functional model is generated by X-ML in a format that is compatible with MBSE functional behavior models. The MBSE model-checking tools are then used to identify and design the missing functional behavior. The MBSE functional behavior model can be used to generate code and for proof of compliance for certification. This collaborative process can significantly shorten the OECS development time while maintaining high standards of design quality.

关键词： Control systems model based system engineering Machine Learning Control Actuators Closed Loop Control Control Surfaces Fixed Wing Aircraft Propulsion system Flight Testing Airworthiness Certification

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A model-based system engineering Approach to Normal Category Airplane Airworthiness Certification

A Model-Based System Engineering Approach to Normal Category...

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AIAA Aviation Forum and Exposition

作者： Bleu-Laine, Marc-Henri Bendarkar, Mayank, V Xie, Jiacheng Briceno, Simon Mavris, Dimitri N. Georgia Inst Technol Sch Aerosp Engn Aerosp Syst Design Lab ASDLGeorgia Tech Atlanta GA 30332 USA

ISBN: (数字)9781624105890

ISBN: (纸本)9781624105890

Airworthiness certification is to ensure the safety of aircraft. With the surge in novel general aviation aircraft configurations and technologies, the Federal Aviation Administration replaced prescriptive design requirements with performance-based airworthiness standards in Federal Aviation Regulations Part 23 that governs the airworthiness of normal category airplane. The amendment ported over the accepted means of compliance (MoC) from prescriptive advisory circulars to a number of consensus standards from aviation community. Because these MoCs are scattered in multiple documents and cross-reference one another, the certification practice with this new format may be cumbersome and *** paper proposes a model-based system engineering (MBSE) approach that is envisioned to parametrically transform the document-centric exercise to model-based process. The approach helps collect the FAR-23 regulations and the associated MoC in an integrated system model along with the relevant mappings between them. This allows users to automatically generate a compliance checklist for any specific certification requirement. Other benefits of the MBSE approach include circular referencing check, automatically propagating any future changes to the FARs or MoC standards through the model, and potential incorporation with early aircraft design.

关键词： Airworthiness Certification Aeroplane model based system engineering Title 14 of The Code of Federal Regulations Federal Aviation Administration Aircraft Design Airworthiness Aviation General Aviation Aircraft Configurations

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Human system Integration Ontology: Enhancing model based systems engineering to Evaluate Human-system Performance

Human System Integration Ontology: Enhancing Model Based Sys...

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Conference on systems engineering Research

作者： Orellana, Douglas W. Madni, Azad M. Univ So Calif Los Angeles CA 90089 USA

As we move forward to integrate system descriptive models and system analytical models, there is a key opportunity to integrate other viewpoints into the system model. Specifically, we have the opportunity to extend current modeling semantics and add other disciplines. Current systems engineering practices address human-system integration concerns as an afterthought (i.e., after system architectures have already been created). One primary reason for this deficiency is that people not trained in human factors engineering are unable to communicate with those that are, due to differences in terminology. To better integrate humans into and with systems, new semantics are needed to extend current system modeling representations. The integration of new semantics will allow human elements to be analyzed in a more holistic perspective. This paper looks into identifying core building blocks for creating the ontology for human system interaction, interfaces, and integration. This ontology, once fully developed, will extend current system modeling capabilities that will enable the human element to be analyzed as part of the overall system development process. (C) 2014 The Authors. Published by Elsevier B.V.

关键词： Human system Integration Human Factors model based system engineering SysML UML modeling and Simulation system modeling Ontology

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model-based Object-Oriented systems engineering methodology for the conceptual design of a hypersonic transportation system 2

Model-Based Object-Oriented Systems Engineering methodology ...

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2nd Annual IEEE International Symposium on systems engineering (ISSE)

作者： Fusaro, Roberta Ferretto, Davide Viola, Nicole Politecn Torino Dept Mech & Aerosp Engn Corso Duca degli Abruzzi 24 I-10129 Turin Italy

ISBN: (纸本)9781509007936

This article suggests a model-based Object-Oriented approach for the conceptual design of a very complex aerospace product. Indeed, the new frontiers of aerial transportation systems require integrated and multidisciplinary approaches. In particular, this paper suggests not only a proper methodology but also supports tool-chain, consisting of both commercial and ad-hoc, built-in tools. The set of tools selected is not exclusive and can be widened as soon as proper interfaces will be developed, but the real aim of the paper is to show the potentialities of this approach in managing the design of very complex systems. In the second part of the article, the theoretical approach is then a applied to the conceptual design of a hypersonic transportation aimed at performing suborbital parabolic flights. Eventually, the result related to this application are summarized and the enhancements in traceability and standardization will be highlighted.

关键词： Hypersonic aircraft conceptual design methodology model based system engineering

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Human system Integration Ontology: Enhancing model based systems engineering to Evaluate Human-system Performance

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Procedia Computer Science 2014年 28卷 19-25页

作者： Douglas W. Orellana Azad M. Madni University of Southern California 854B Downey Way RRB 225 Los Angeles CA 90089-1192

关键词： Human system Integration Human Factors model based system engineering SysML UML modeling and Simulation system modeling Ontology

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engineering Design with Digital Thread

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AIAA JOURNAL 2018年第11期56卷 4515-4528页

作者： Singh, Victor Willcox, K. E. MIT Dept Aeronaut & Astronaut Cambridge MA 02139 USA MIT Aeronaut & Astronaut 77 Massachusetts Ave Cambridge MA 02139 USA

Digital Thread is a data-driven architecture that links together information generated from across the product lifecycle. Though Digital Thread is gaining traction as a digital communication framework to streamline design, manufacturing, and operation processes in order to more efficiently design, build, and maintain engineering products, a principled mathematical formulation describing the manner in which Digital Thread can be used for critical design decisions remains absent. The contribution of this paper is to present such a formulation from the context of a data-driven design and decision problem under uncertainty. This formulation accounts for the fact that the design process is highly iterative and not all information is available at once. Output design decisions are made not only on what data to collect but also on the costs and benefits involved in experimentation and sensor instrumentation to collect that data. The mathematical formulation is illustrated through an example design of a structural fiber-steered composite component. In this example, the methodology highlights how different sequencing of small-scale experimentation with manufacturing and deployment lead to different designs and different associated costs.

关键词： Sensors Material Properties model based system engineering Probability Density Functions Structural Failure Multidisciplinary Design Optimization Finite Element modeling Wingbox Stochastic Optimization Elastic Modulus

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Checking SysML models Against Safety and Security Properties

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JOURNAL OF AEROSPACE INFORMATION systemS 2021年第12期18卷 906-918页

作者： de Saqui-Sannes, Pierre Apvrille, Ludovic Vingerhoeds, Rob Univ Toulouse ISAE SUPAERO Dept Complex Syst Engn F-31400 Toulouse France Polytech Inst Paris Telecom Paris LTCI Dept Commun & Elect F-06410 Biot Sophia Antipolis France

systems engineering, or engineering in general, has long been relying on document-centric approaches. Switching to model-based systems engineering, or MBSE for short, has extensively been discussed over the past three decades. Since about two decades, MBSE has been commonly associated with the modeling language SysML (systems modeling Language), which offers a standardized notation, not a methodology of using it. SysML needs therefore to be associated with a methodology supported by tools. In this paper, a methodology supported by the free and open-source software TTool is associated with SysML. This paper focuses discussion on methodological issues, leading the authors to share their experience in real-time systems modeling. modeling with SysML is more than just drawing the different diagrams. Associated tools offer possibilities to analyze SysML models for specific properties. In this paper, verification addresses both safety and security properties. The TTool model checker inputs the SysML model enriched with safety properties to be verified and outputs an yes/no answer for each property. Security verification checks SysML models against confidentiality, integrity, and authenticity properties. As an illustration of the proposed approach, an aircraft cockpit door control system is modeled in SysML and verified against safety and security properties.

关键词： model based system engineering Cockpit Real Time system Open Source Software Crew Member Unified modeling Language Asynchronous Communications Artificial Intelligence Communication Channels Commercial Aircraft

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