System life cycle engineering and DF'X'

Keys, L.K.

doi:10.1109/33.52854

Cited by 57 publications

(20 citation statements)

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“…It has been reported that at least 70% of the product costs become firm in the design phase [3]. Keys [34] reported that some 75 -90% of opportunity to influence total life cycle cost is gone by the time a design is released to production. Figure 1 depicts the percentage of costs committed throughout the product design process.…”

Section: Motivationmentioning

confidence: 99%

“…Keys [34] discussed the Design for Life Cycle concept that he described as the combination of all design efforts including but not limited to manufacturability, assembly, cost, quality, customer support logistics, and supply chain. He suggested that it is very important to keep the focus on the product life cycle since today "the planning of new products includes second, third, etc., generation product follow-on's, where the support to and through product lives must be a part of an integrated life cycle strategy.…”

Section: Product Design and Supply Chain Combined Modelsmentioning

confidence: 99%

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Development of a Simultaneous Design for Supply Chain Process for the Optimization of the Product Design and Supply Chain Configuration Problem

Gokhan¹

2010

Engineering Management Journal

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iv This research investigates the development of a process for Design for Supply Chain (DFSC) -a process that aims to reduce the product life cycle costs, improve product quality, improve efficiency, and improve profitability for all partners in the supply chain (SC). It focuses on understanding the impacts and benefits of incorporating the SC configuration problem into the product design phase. As the product design establishes different requirements on the manufacturability, cost, and similar parameters, the SC is also closely linked to product design decisions and impacted by them. This research uniquely combines the impacts of the product design and price decisions on the product demand and the impacts of the SC decisions on cost, lead time, and demand satisfaction.The developed mathematical models are aimed at economically managing the SC for product design and support not only product design, but also redesign associated with process improvements and design changes in general. This research suggests development of a proactive approach to product design allowing impacts to the SC to be predicted in advance and resolved more quickly and economically. It presents two product and SC design approaches. The sequential approach examines the design of a product followed by the SC design where the simultaneous approach considers both the product and SC designs concurrently. By utilizing Mixed Integer Programming and a Genetic Algorithm, this research studies various research questions which examine modeling preferences and essential performance metrics, impacts of DEVELOPMENT OF A SIMULTANEOUS DESIGN FOR SUPPLY CHAIN PROCESS FOR THE OPTIMIZATION OF THE PRODUCT DESIGN AND SUPPLY CHAIN CONFIGURATION PROBLEMNuri Mehmet Gökhan, PhDUniversity of Pittsburgh, 2007 v using a sequential versus simultaneous design approach on these performance metrics, the robustness of the resulting SC design, and relative importance of the product and SC design on the profits. To answer these questions, different models are developed, tested with illustrative data, and the results are analyzed.The test results and industry experts' validations conclude that the developed DFSC models add significant value to the product design procedure resulting in a useful decision support tool. The results indicate that the simultaneous DFSC approach captures the complex interactions between the product and supply chain decisions, improving the overall profit of a product across its life cycle. Nora not only for their enthusiasm but also for all the coffee that kept me awake all the time. Keywords Mdem:Maximum potential demand over all periods (calculated by using maximum of timemultiplier t and lowest price t with υ t =1) INTRODUCTIONThis research focuses on understanding the impacts and proposed benefits of incorporating the supply chain configuration problem into the product design phase analogous to the Design for Manufacturability (DFM) concept introduced in the 1980s where manufacturing processes of a product are taken into account in the pr...

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Section: Motivationmentioning

confidence: 99%

Section: Product Design and Supply Chain Combined Modelsmentioning

confidence: 99%

Development of a Simultaneous Design for Supply Chain Process for the Optimization of the Product Design and Supply Chain Configuration Problem

Gokhan¹

2010

Engineering Management Journal

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“…This corporate requirements taxonomy was developed by an exhaustive literature search which uncovered sources such as: Stauffer (1988), which develops a set of lifecycle design considerations including schedule, manufacture, transportation, performance, maintenance and disposal; Hauge and Stauffer (1993) and Keys (1990), which develops 'lifecycle customer requirements' that included function, features, materials, readiness, service, retirement; and which discuss the issues of the lifecycle including product/market research, manufacturing process, qualification (testing), reliability issues and customer service/maintainability/supportability and also talk of product migration through the organization functions of technical research, marketing, design, reliability, manufacturing, quality assurance, sales, distribution, service and support. Other references were used including Dieter (1983), Gershenson and Ishii (1991), Kusiak (1993), Ullman (1989), Fiksel (1991, Anderson (1990) and Vonderembse and White (1991).…”

Section: Functional Levelmentioning

confidence: 99%

A Taxonomy for Design Requirements from Corporate Customers

Gershenson

Stauffer

1999

Research in Engineering Design

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“…Keys (1991) identifies field costs as including manufacturer covered post-manufacturing cost items, such as warrantee optimization, associated dealer/customer allowances, and customer service. More details on these costing can also be found in Keys (1990), Locascio (2000), Sheldon, Huang, and Perks (1991), Keys, Balmer, and Creswell (1987), and Menezes (1990).…”

Section: Introductionmentioning

confidence: 98%