Value Analysis of Engine Maintenance Scheduling Relative to Fuel Burn and Minimal Operating Costs

Curran, Ricky; Zwan, F.M. Van der; Ouwehand, Alex; Ghijs, S.S.A.

doi:10.2514/6.2010-9145

Cited by 11 publications

(5 citation statements)

References 7 publications

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“…Intuitively, mathematical optimization models are used to identify the "best system solution" for the maximization of a given monetary function for value. Several case studies in the aerospace sector proposed variations of Net Present Value (NPV) and Surplus Value (SV) equations to perform such an optimization (see: Curran et al 2010;Cheung et al, 2012). NPV is a widely adopted method for the analysis of investments based on the cash flow generated by different investment strategies over the years; it uses a yearly "discount rate" making cash flows less and less valuable the farther they happen in the future.…”

Section: Iced21mentioning

confidence: 99%

Model-Driven Product Service Systems Design: The Model-Driven Development and Decision Support (Md3s) Approach

et al. 2021

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The paper presents a Model-Driven approach for Product-Service System (PSS) Design promoting an increased digitalization of the PSS design process based on the combination of data-driven design (DDD) activities and value-driven design (VDD) methods. The approach is the results of an 8-year long research profile named (omitted for blind review) featuring the collaboration between (omitted for blind review) and nine industrial companies, in the field of PSS Design. It combines VDD models and the supporting data-driven activities in the frame of PSS design and aligns with the product value stream and the knowledge value stream in the product innovation process as described by Kennedy et al. (2008). The paper provides a high-level overview of the approach describing the different stages and activities, and provides references to external scientific contributions for more exhaustive descriptions of the research rationale and validity. The approach is meant to ultimately drive the development and implementation of a simulation environment for cross-functional and multi-disciplinary decision making in PSS, named Model-Driven Decision Arena, describe in the concluding part of the paper.

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Section: Iced21mentioning

confidence: 99%

Model-Driven Product Service Systems Design: The Model-Driven Development and Decision Support (Md3s) Approach

et al. 2021

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“…VDD is an approach that uses NPV and surplus value (SV) models, 63 which are surrogate objects for long-term profitability, to evaluate, early in the systems engineering design process, the ''goodness'' of a design. 64 Several authors [64][65][66] have applied VDD to optimize system design in aerospace. First, the designers pick a point in the design space at which to attempt a solution.…”

Section: Model-driven Decision Support For Sustainability and Valuementioning

confidence: 99%

A model-based approach for sustainability and value assessment in the aerospace value chain

Bertoni

Hallstedt

Isaksson

2015

Advances in Mechanical Engineering

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In the aerospace industry, systems engineering practices have been exercised for years, as a way to turn high-level design objectives into concrete targets on system functionality (e.g. range, noise, and reliability). More difficult is to decompose and clarify sustainability implications in the same way and to compare them against performance-related capabilities already during preliminary design. This article addresses the problem of bringing the important—yet typically high level and complex—sustainability aspects into engineering practices. It proposes a novel integrated model-based method that provides a consistent way of addressing the well-known lack of generic and integrated ways of clarifying both cost and value consequences of sustainability in early phases. It further presents the development and implementation of such approach in two separate case studies conducted in collaboration with a major aero-engine sub-system manufacturer. The first case concerns the assessment of alternative business configurations to maintain scarce materials in closed loops, while the second one concerns the production technology of an aero-engine component. Eventually, this article highlights the learning generated by the development and implementation of these approaches and discusses opportunities for further development of model-based support.

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“…The assessment of VDs is traditionally conducted using monetary units, as they are proposed as the most convenient, practical, and universally understood metric for value regarding revenue-generating products (Collopy and Hollingsworth 2011, Cheung et al 2012, Curran, 2010. However, when using VDD as an enabler for cross-company collaboration, a subjective definition of value seems be more appropriate, as it might enhance communication between project management and designers (Soban et al 2011).…”

Section: Fig 4: Vdd Vs Traditional Requirements Management (Isakssomentioning

confidence: 99%

Product Development in the Socio-sphere

Schaefer¹

2014

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In the last decade, as the manufacturing companies have reconsidered the overall concept of goods production, their focus shifted from developing 'products' to 'solutions'. In complex supply chains, the combination of products and services that maximize customers' and stakeholders' value can be identified only if manufacturers improve their ability to co-create, establishing more interactive relationships with end users, clients and sub-contractors. Methodologies for Value Driven Design (VDD) are emerging as enablers for cross-functional and cross-organizational knowledge sharing, reinforcing early stages design iterations to emphasize the maturation of the requirements across supply chain levels. This chapter highlights the uptake of VDD in a traditionally protective domain, such as the aerospace sector. It describes methods and tools for value assessment, and points toward the most relevant initiatives in this domain. Eventually, it discusses areas of further research to promote the effective use of the VDD methodology while designing complex engineering systems.

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Value Analysis of Engine Maintenance Scheduling Relative to Fuel Burn and Minimal Operating Costs

Cited by 11 publications

References 7 publications

Model-Driven Product Service Systems Design: The Model-Driven Development and Decision Support (Md3s) Approach

Model-Driven Product Service Systems Design: The Model-Driven Development and Decision Support (Md3s) Approach

A model-based approach for sustainability and value assessment in the aerospace value chain

Product Development in the Socio-sphere

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