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Which clippings match 'Product-lifecycle' keyword pg.1 of 1
08 JANUARY 2013

Concurrent Engineering versus Sequential Engineering

"Sequential engineering, also known as serial engineering, is characterized by downstream departments supplying information to design only after a product has already been designed, verified and prototyped [1], in order to change what design engineering did wrong, or what could have been improved. In serial engineering, the various functions such as design, manufacturing, and customer service are separated. The information in serial engineering flows in succession from phase to phase. For example, the prototype model, verified by either simulation or prototyping or both, is reviewed for manufacturing, quality and service. Usually, some changes are suggested after the review. If the suggested changes in the design are made, there are increases in the cost and time to develop the product, resulting in delays in marketing the product. If the changes cannot be made because of market pressure to launch the product quickly, or the fact that the design is already behind schedule, then specialists in other functional areas or managers from manufacturing, quality, and service, among others, are informed of the impending problems. In sequential engineering a department starts working only when the preceding one has finished, and, once a department has finished working on a project, or part of a project, this is not planned to come back: information flow is only one way.

On the contrary, in CE all functional areas are integrated within the design process. In this case information continuously flows back and forth among all functions. During the design process CE draws on various disciplines to trade-off parameters such as manufacturability, testability and serviceability, along with customer performance, size, weight, and cost [1-2]. The decision making process in a CE environment differs from sequential engineering in that at every stage decisions are taken considering the constraints and the objectives of all stages of the product life cycle, thus taking at the product design level issues that are usually addressed much later, thus giving the possibility to achieve a better overall solution [2,3]. The integration of other functional areas within the design process helps to discover hard to solve problems at the design stage. Thus, when the final design is verified, it is already manufacturable, testable, serviceable, and of high quality. The most distinguishing feature of CE is the multidisciplinary, cross-functional team approach. Product development costs range between 5% and 15% of total costs, but decisions taken at this stage affect 60–95% of total costs [4]. Therefore it is at the product development stage that the most relevant savings can be achieved."

(Ecehan SofuoÄŸlu, 2011)

Ecehan SofuoÄŸlu (2011). "Different Approaches to Concurrent Engineering"



competitive capabilities • concurrent engineering (CE)cross-functional design teams • cross-functional team approach • decision making process • design engineeringdesign processdevelopment life cycle • downstream • engineering and manufacturing • functional areas • manufacturability • manufacturable • manufacturingmultidisciplinary teams • new product development • over-the-wall design processover-the-wall engineering • overall solution • product development • product development methods • product development stage • product-lifecycle • sequential engineering (SE) • sequential stages • serial engineering • serial prototyping • serviceability • serviceable • silos • successive phases • testability • testable


Simon Perkins
30 MAY 2010

The Internet of Things: What is a Spime and why is it useful?

"World–renowned Science Fiction writer and futurist Bruce Sterling will outline his ideas for SPIMES, a form of ubiquitous computing that gives smarts and 'searchabiliity' to even the most mundane of physical products. Imagine losing your car keys and being able to search for them with Google Earth. This same paradigm will find you "wrangling" with product–lifecycle– management systems that do for physical objects what the iPod has done for music. These and other radical ideas are delivered in Sterling's latest book`Shaping Things'. This concise book was written to inspire designers to visualize radical scenarios connecting information technology and sustainability in a new ecology of artifacts. Sterling suggests new connections between the virtual world and the physical world that will have you rethinking many of your assumptions about how we relate to products. He will be joined by Scott Klinker, 3–D Designer–in–Residence at Cranbrook Academy of Art in Bloomfield Hills, MI who leads a graduate design program known for giving form to experimental cultural ideas. Klinker's own design work focuses on digital customization as industry shifts from mass production toward niche production in a networked society. The presentation will include an invitation for Sterlling and Klinker/ Cranbrook to team–up with Google to create a short documentary film that would portray a speculative future of life with SPIMES. Distributed online, this short film would convey the look and feel of SPIME scenarios as a provocation for widespread industry discussion about the new potentials of ubiquitous, ambient, searchable, geolocative products."

(Google Tech Talks, 30 April 2007)



2007ambientBruce Sterling • Cranbrook • Cranbrook Academy of Art • digital customisation • distributed online • experimental cultural ideas • geolocative products • Google EarthGoogle Inc • industry shifts • information technologyinternet of thingsiPod • management systems • mass productionnetworked societynew connections • new ecology of artefacts • niche production • physical objectsphysical worldproduct-lifecycle • radical scenarios • sci-fi • Scott Klinker • searchability • searchable • Shaping Things • speculative futureSPIMESsustainabilityubiquitousubiquitous computingvirtual world


Simon Perkins

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