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See detailA DSM-based Framework for Integrated Function Modelling: Concept, Application and Evaluation
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Luciënne Theresia UL et al

in Research in Engineering Design (2017), 28(1), 25-51

Function modelling is proposed in literature from different disciplines, in interdisciplinary approaches, and used in practice with the intention of facilitating system conceptualisation. However ... [more ▼]

Function modelling is proposed in literature from different disciplines, in interdisciplinary approaches, and used in practice with the intention of facilitating system conceptualisation. However, function models across disciplines are largely diverse addressing different function modelling perspectives and using different structures and forms for representing the contained information. This hampers the exchange of information between the models and poses particular challenges to joint modelling and shared comprehension between designers from different disciplines. This article proposes an integrated function modelling framework, which specifically aims at relating between the different function modelling perspectives prominently addressed in different disciplines. It uses interlinked matrices based on the concept of DSM and MDM in order to facilitate cross-disciplinary modelling and analysis of the functionality of a system. The article further presents the application of the framework based on a product example. Finally, an empirical study in industry is presented. Therein, feedback on the potential of the proposed framework to support interdisciplinary design practice as well as on areas of further improvement has been obtained from participants working in industry. [less ▲]

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See detailIntegrated Function Modelling: Comparing the IFM Framework With SysML
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Lucienne UL

in Proceedings of the International Conference on Engineering Design 2015 (2015, August)

This paper presents a comparison between the Integrated Function Modelling framework and SysML with the aim of deriving specific potentials for cross-fertilisation and further improvement regarding their ... [more ▼]

This paper presents a comparison between the Integrated Function Modelling framework and SysML with the aim of deriving specific potentials for cross-fertilisation and further improvement regarding their application for function modelling in interdisciplinary design. The presented comparison comprises literature reviews as well as the practical application of both the IFM framework and SysML for modelling the functionality of an exemplary mechatronic system. The research leads to the identification of advantages and shortcomings in both approaches. Based on these insights, the paper further presents a conceptual adaptation of the IFM framework with the intention to improve its practical applicability and reducing modelling efforts. [less ▲]

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See detailApplication of the IFM framework for modelling and analysing system functionality
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Lucienne UL

in Marjanovic, Dorian; Storga, Mario; Pavkovic, Neven (Eds.) et al Proceedings of the 13th International Design Conference (2014, May)

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See detailSUPPORTING INTERDISCIPLINARY SYSTEM DEVELOPMENT THROUGH INTEGRATED FUNCTION MODELLING
Eisenbart, Boris UL

Doctoral thesis (2014)

Industry is confronted with ever-changing and increasing demand of customers on global markets for integration of diverse functions into newly developed products and systems. As a consequence, companies ... [more ▼]

Industry is confronted with ever-changing and increasing demand of customers on global markets for integration of diverse functions into newly developed products and systems. As a consequence, companies increasingly often combine different engineering technologies into their products necessitating close collaboration of experts from various disciplines. New types of products, such as Product-Service Systems (PSS), which have become increasingly important in the recent past and combine (multi-disciplinary) products with associated services, extend interdisciplinary system development by including further disciplines. Problems in the (cross-disciplinary) exchange of information between the involved designers are considered one of the central risks posed to the success of interdisciplinary system development. Function modelling is expected to provide suitable means for the integration of different disciplines, as it addresses solution finding early in the design process and results in a first abstract representation of the system under consideration. However, a large variety of different and often incompatible function models can be found in the different disciplines, which hampers shared, cross-disciplinary function modelling. The research project presented in this thesis provides comprehensive insights into central barriers and enablers for cross-disciplinary function modelling in the development of mechatronic systems and PSS. Conducted research comprises comprehensive literature reviews of diverse function models and function modelling approaches proposed in disciplinary and interdisciplinary design approaches. The derived insights are complemented by empirical studies in ten companies active in diverse market areas, such as machine design, automotive, aerospace, and consumer product development. The empirical studies provide compelling insights into the actual application of function modelling in different disciplines and design departments, as well as into specific needs and preferences of practicing designers from different disciplines. A central contribution resulting from this research is the ”Integrated Function Modelling framework”, which is intended to address the identified needs and provide practicing designers with a flexible and generic modelling approach supporting interdisciplinary conceptual design. The project is concluded with an initial evaluation of the developed framework in industry and academia. [less ▲]

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See detailDer Integrated Function Modelling (IFM) Framework
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Lucienne UL

Article for general public (2013)

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See detailPotentials for Realising a Consistent Transition Between Function Modelling with the IFM Framework and Early System Simulation
Eisenbart, Boris UL; Dohr, Fabio; Gericke, Kilian UL et al

in Proceedings of 19th International Conference on Engineering Design (2013)

Conceptual design is considered one of the most demanding design tasks requiring a joint effort of the involved designers, particularly in interdisciplinary design. Sound decision-making across ... [more ▼]

Conceptual design is considered one of the most demanding design tasks requiring a joint effort of the involved designers, particularly in interdisciplinary design. Sound decision-making across disciplines on alternative solution concepts may be considerably facilitated through early system simulation. A consistent transition of the available information in function modelling to early system simulation may thus support designers in this task. The IFM framework intends to support cross-disciplinary collaboration of involved designers by providing an integrated function modelling approach. In the paper it is analysed in how far a consistent transition from the IFM framework to established modelling techniques for simulation may be realised. The paper compares the information required for early system simulation in an interdisciplinary design context to the specific information conveyed in the different views of the IFM framework. The analysis identifies specific potentials and barriers for a consistent transition between them. Finally, the implications of the derived insights are discussed. [less ▲]

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See detailAdapting the IFM Framework to Functional Approaches Across Disciplines
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Lucienne UL

in Proceedings of 19th International Conference on Engineering Design (2013)

Conceptual design is considered one of the most demanding design tasks requiring a joint effort of the involved designers, particularly in interdisciplinary design. The IFM framework intends to support ... [more ▼]

Conceptual design is considered one of the most demanding design tasks requiring a joint effort of the involved designers, particularly in interdisciplinary design. The IFM framework intends to support interdisciplinary collaboration of designers, by linking the different functional modelling perspectives, which are prominent in the different disciplines. The presented analysis aims to answer the question, which particular adaptations are required, in order to enable and improve the application of the IFM framework across disciplines. The paper presents a comparison of the framework with established functional approaches proposed in literature. It is shown, in which ways the specific contents addressed in the individual steps of the reviewed functional approaches can be mapped onto corresponding views in the IFM framework. The findings suggest that the IFM framework is interoperable with the reviewed functional approaches without necessitating fundamental changes. Furthermore, specific potentials for the improvement of its applicability across disciplines are derived. Finally, the paper discusses specific adaptations of the IFM framework, in order to improve its applicability. [less ▲]

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See detailManagement of product characteristics uncertainty based on Formal Logic and Characteristics Properties Model
Dantan, Jean-Yves; Qureshi, Ahmed Jawad UL; Antoine, J. et al

in CIRP Annals - Manufacturing Technology (2013), 62(1),

Uncertainty in product characteristics is ubiquitous in any engineering system at all the stages of product life-cycle. Considering uncertainty from different sources during the product design phase is ... [more ▼]

Uncertainty in product characteristics is ubiquitous in any engineering system at all the stages of product life-cycle. Considering uncertainty from different sources during the product design phase is critical to its reliable performance. This paper presents a framework integrating the uncertainty propagation through different product characteristics and its effect on product properties. The framework consists of three main parts: a descriptive model based on formal logic and characteristics properties model; a mathematical implementation through set theory and probabilistic approach; and an algorithm for design space evaluation and tolerancing. The application of framework is demonstrated through an industrial case study. [less ▲]

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See detailIntegrating Different Functional Modeling Perspectives
Eisenbart, Boris UL; Qureshi, Ahmed Jawad UL; Gericke, Kilian UL et al

in Charkrabarti, Amaresh; Prakash, Raghu (Eds.) ICoRD'13, Global Product Development (2013)

The paper proposes a modular functional modeling framework, which aims at integrating the different functional modeling perspectives, relevant to different disciplines. The results of two extensive ... [more ▼]

The paper proposes a modular functional modeling framework, which aims at integrating the different functional modeling perspectives, relevant to different disciplines. The results of two extensive literature studies on diverse functional modeling approaches proposed in a variety of disciplines are consolidated. These studies identified specific needs for an integrated functional modeling approach to support interdisciplinary conceptual design. The presented framework aims at fulfilling these needs. It consists of a variety of associated views, represented through different matrices. This matrix-based representation facilitates the analysis of different functional modeling perspectives and their interdependencies. Finally, the implications of the presented approach are discussed. [less ▲]

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See detailDesign Automation With the Characteristics Properties Model and Property Driven Design for Redesign
Qureshi, Ahmed Jawad UL; Eisenbart, Boris UL; Dantan, Jean-Yves et al

in Abramovici, Michael, Stark, Rainer (Ed.) Smart Product Engineering (2013)

This paper presents a framework consisting of a mathematical model and an algorithm for representation, analysis and exploration of the design space in redesign problems. The framework develops and ... [more ▼]

This paper presents a framework consisting of a mathematical model and an algorithm for representation, analysis and exploration of the design space in redesign problems. The framework develops and extends the existing formalism of the Characteristics Properties Model (CPM) and Property Driven Design (PDD). A platform independent quantitative model based on formal log-ic is presented to map the characteristics and properties, as well as the relations and dependencies between them, along with the necessary conditions for solu-tion evaluation. The model is based on generalization of existing mathematical design models and is supported by the development of an algorithm enabling property driven design. The resulting framework offers a rich and flexible syn-tax and vocabulary along with a mathematical and computational tool applica-ble to mechanical product redesign. [less ▲]

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See detailAn Analysis of Functional Modelling Approaches Across Disicplines
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Lucienne UL

in AI EDAM: Artificial Intelligence for Engineering Design Analysis and Manufacturing (2013), 27(3),

Authors across disciplines propose functional modeling as part of systematic design approaches, in order to support and guide designers during conceptual design. The presented research aims at ... [more ▼]

Authors across disciplines propose functional modeling as part of systematic design approaches, in order to support and guide designers during conceptual design. The presented research aims at contributing to a better understanding of the diverse functional modeling approaches proposed across disciplines. The article presents a literature review of 41 modeling approaches from a variety of disciplines. The analysis focuses on what is addressed by functional modeling at which point in the proposed conceptual design process (i.e., in which sequence). The gained insights lead to the identification of specific needs and opportunities, which could support the development of an integrated functional modeling approach. The findings suggest that there is no such shared sequence for functional modeling across disciplines. However, a shared functional modeling perspective has been identified across all reviewed disciplines, which could serve as a common basis for the development of an integrated functional modeling approach. [less ▲]

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See detailFunctional Modelling Perspectives Across Disciplines: A Literature Review
Eisenbart, Boris UL; Blessing, Lucienne UL; Gericke, Kilian UL

in Proceedings of the 12th International Design Conference - DESIGN 2012 (2012)

The research presented in this paper discusses the different understandings of function which hamper shared functional modelling. Function models proposed in literature from various disciplines are then ... [more ▼]

The research presented in this paper discusses the different understandings of function which hamper shared functional modelling. Function models proposed in literature from various disciplines are then analysed, in order to identify the different inherent functional modelling perspectives. The paper concludes that in order to support shared functional modelling and to support cross-disciplinary system development, these different functional modelling perspectives need to be linked. [less ▲]

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See detailA Shared Basis for Functional Modelling
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Lucienne UL

in Proceedings of Norddesign 2012 (2012)

The presented research aims at contributing to a better understanding of the diverse functional modelling approaches proposed across disciplines, often involving more than one function model. The paper ... [more ▼]

The presented research aims at contributing to a better understanding of the diverse functional modelling approaches proposed across disciplines, often involving more than one function model. The paper presents a review of 41 systematic design approaches from different disciplines, analysing what is addressed by functional modelling at which point in the proposed development process, i.e. in which sequence, if any. The analysis aims at deriving potential commonalities across disciplines, which could support the development of an integrative functional modelling approach. Finally, the results of the analysis are discussed, concluding that while there seems to be no shared sequence in functional modelling across disciplines, a common base can be derived, with regard to what is prominently addressed by functional modelling in the different disciplines. [less ▲]

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See detailApplication of Design Models in Mechatronic Product Development and Building Design Reflection of Researchers and Practitioners
Eisenbart, Boris UL; Blessing, Lucienne UL

in Krause, Dieter, Paetzold, Kristin (Ed.) Beiträge zum 22. DfX-Symposium (2011)

Design models are an essential means for abstract representation and visualisation of information in the design process. Comprehension of design models in interdisciplinary engineering design teams is ... [more ▼]

Design models are an essential means for abstract representation and visualisation of information in the design process. Comprehension of design models in interdisciplinary engineering design teams is often hindered by different terminology and different discipline-specific modelling approaches. This paper presents the results of an interview study conducted with practitioners and researchers from engineering design and building design. The study elaborates the different ways of collaboration and use of design models in building design as compared to engineering design, in order to derive the potentials for cross-fertilisation between both areas of product development. [less ▲]

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See detailA Framework for Comparing Design Modelling Approaches Across Disciplines
Eisenbart, Boris UL; Gericke, Kilian UL; Blessing, Lucienne UL

in Proceedings of the 18th International Conference on Engineering Design (2011)

Design models are an important means for the representation of design information in product development processes. Designers use design models to visualise and communicate their ideas to other members of ... [more ▼]

Design models are an important means for the representation of design information in product development processes. Designers use design models to visualise and communicate their ideas to other members of a design team, the project manager or a costumer. Communication between experts from different disciplines using design models is often hindered by different terminology and different ways of modelling. Potential consequences are design flaws, which may lead to time-consuming iterations and – if undetected – to problems during production or use. In order to enhance the communication through design models across disciplines, and to address the mentioned problems, an understanding of similarities as well as differences between modelling approaches needs to be established. For that purpose, this paper discusses different design states which represent a distinct level of available information in the development process. They are derived through comparing different design models proposed in literature and provide the basis of a framework for a detailed comparison of modelling approaches across disciplines. Further, first insights into different ways of modelling are discussed. [less ▲]

Detailed reference viewed: 92 (2 UL)