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   Design Automation With the Characteristics Properties Model and Property Driven Design for RedesignQureshi, Ahmed Jawad  ; Eisenbart, Boris ; et alin 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 ▲] Detailed reference viewed: 283 (5 UL)Integrating Different Functional Modeling PerspectivesEisenbart, Boris ; Qureshi, Ahmed Jawad ; Gericke, Kilian et alin 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 ▲] Detailed reference viewed: 157 (11 UL)Management of product characteristics uncertainty based on Formal Logic and Characteristics Properties Model; Qureshi, Ahmed Jawad ; et alin 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 ▲] Detailed reference viewed: 160 (5 UL) |
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