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The investigation of environmental sustainability within product design: a critical review 产品设计中环境可持续性的调查:一个重要的回顾
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-05-10 DOI: 10.1017/dsj.2022.11
Emelia Delaney, Wei Liu, Zicheng Zhu, Yuchun Xu, Jian S. Dai
Abstract Sustainability encompasses social, economic and environmental issues with the primary aim to fulfil the needs of the present society without compromising the potential needs of future generations. Product design has been identified to greatly influence the sustainability of New Product Development. This study aims to identify and review the fundamental factors in which product design has the ability to influence and improve the overall environmental sustainability of a product. A comprehensive literature review has been performed to establish trends over the past four decades. The factors that have significant potential, such as the 6Rs, waste and energy, which aid designers in the implementation of environmental sustainability during the product design process have been identified and discussed. Through this analysis, a new conceptual framework has been conceived, facilitating designers in implementing environmental sustainability during product development. In addition, future research opportunities have been identified.
可持续发展包括社会、经济和环境问题,其主要目的是在不损害后代潜在需求的情况下满足当前社会的需求。产品设计对新产品开发的可持续性有很大的影响。本研究旨在识别和审查的基本因素,其中产品设计有能力影响和提高产品的整体环境可持续性。在过去的四十年中,进行了全面的文献综述,以确定趋势。已经确定并讨论了具有重大潜力的因素,例如6r,废物和能源,这些因素有助于设计师在产品设计过程中实现环境可持续性。通过这一分析,一个新的概念框架已经被构思出来,方便设计师在产品开发过程中实施环境可持续性。此外,还确定了未来的研究机会。
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引用次数: 5
Abstracting and formalising the design co-evolution model 抽象和形式化设计协同进化模型
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-04-25 DOI: 10.1017/dsj.2022.10
J. Gero, U. Kannengiesser, N. Crilly
Abstract Co-evolution accounts have generally been used to describe how problems and solutions both change during the design process. More generally, problems and solutions can be considered as analytic categories, where change is seen to occur within categories or across categories. There are more categories of interest than just problems and solutions, for example, the participants in a design process (such as members of a design team or different design teams) and categories defined by design ontologies (such as function-behaviour-structure or concept-knowledge). In this paper, we consider the co-evolution of different analytic categories (not just problems and solutions), by focussing on how changes to a category originate either from inside or outside that category. We then illustrate this approach by applying it to data from a single design session using three different systems of categorisation (problems and solutions, different designers and function, behaviour and structure). This allows us to represent the reciprocal influence of change within and between these different categories, while using a common notation and common approach to graphing quantitative data. Our approach demonstrates how research traditions that are currently distinct from each other (such as co-evolution, collaboration and function-behaviour-structure) can be connected by a single analytic approach.
摘要协同进化账户通常用于描述问题和解决方案在设计过程中的变化。更普遍地说,问题和解决方案可以被视为分析类别,其中变化被视为在类别内或跨类别发生。感兴趣的类别不仅仅是问题和解决方案,例如,设计过程中的参与者(如设计团队或不同设计团队的成员)和设计本体定义的类别(如功能行为结构或概念知识)。在本文中,我们通过关注一个类别的变化是如何从该类别内部或外部产生的,来考虑不同分析类别(而不仅仅是问题和解决方案)的共同进化。然后,我们通过使用三种不同的分类系统(问题和解决方案、不同的设计师和功能、行为和结构)将其应用于单个设计会议的数据来说明这种方法。这使我们能够表示这些不同类别内部和之间变化的相互影响,同时使用通用的符号和通用的方法来绘制定量数据。我们的方法展示了如何通过单一的分析方法将目前彼此不同的研究传统(如共同进化、协作和功能-行为结构)联系起来。
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引用次数: 3
Industrial evaluation of design heuristics for additive manufacturing 增材制造设计启发式的工业评价
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-04-01 DOI: 10.1017/dsj.2022.8
Alexandra Blösch-Paidosh, K. Shea
Abstract Additive manufacturing (AM) has gained prominence over the last 15 years and become a viable manufacturing option. Since there is great industrial interest to implement serial production of products using AM, the education of engineers in design for additive manufacturing (DfAM) is important today. DfAM extends on design for manufacturing to provide knowledge about the new design opportunities enabled by AM. A set of design heuristics for additive manufacturing (DHAM) to assist designers with conceptual-level DfAM has previously been proposed. In this paper, these DHAM are evaluated through workshops with 3 engineering companies and 19 engineers, in which the participants re-design existing company products for AM using the DHAM as an aid, and then give feedback. The DHAM are well received by the workshop participants, and they find that the DHAM are good for teaching others about the capabilities of AM, provide a checklist of items to consider to help avoid oversights, and encourage the generation of new ideas. Criticisms include the number of examples provided and the lack of information about how to implement the ideas concretely. It is also found that the DHAM fulfil 16 of 18 criteria for early design phase DfAM methods, identified in academic literature.
摘要增材制造(AM)在过去15年中得到了重视,并成为一种可行的制造选择。由于工业界对使用AM实现产品的批量生产非常感兴趣,因此对增材制造设计(DfAM)工程师的教育在今天非常重要。DfAM扩展了制造业的设计,以提供有关AM带来的新设计机会的知识。之前已经提出了一套用于增材制造(DHAM)的设计启发式方法,以帮助设计师达到概念级DfAM。在本文中,通过与3家工程公司和19名工程师的研讨会对这些DHAM进行了评估,参与者将DHAM作为辅助工具,为AM重新设计现有的公司产品,然后给出反馈。DHAM深受研讨会参与者的欢迎,他们发现DHAM有助于向他人传授AM的能力,提供一份需要考虑的项目清单,以帮助避免疏忽,并鼓励产生新的想法。批评包括提供的例子数量以及缺乏关于如何具体实施这些想法的信息。还发现,DHAM满足学术文献中确定的早期设计阶段DfAM方法的18个标准中的16个。
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引用次数: 3
Fuzzy model-based design for testing and qualification of additive manufacturing components 基于模糊模型的增材制造部件测试与鉴定设计
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-03-21 DOI: 10.1017/dsj.2022.6
O. Borgue, M. Panarotto, O. Isaksson
Abstract The uncertainties and variation of additive manufacturing (AM) material properties and their impact on product quality trouble designers. The lack of experience in AM technologies renders the experts’ assessment of AM components and the establishment of safety margins difficult. Consequently, unexpected qualification difficulties resulting in expensive and lengthy redesign processes might arise. To reduce the risk of qualification failure, engineers might perform copious time-consuming and expensive specimen testing in early phases, or establish overconservative design margins, overriding the weight reduction benefits of AM technologies. In this article, a model-based design method is proposed for the conceptual design of AM space components with affordable test phases. The method utilizes fuzzy logics to systematically account for experts’ assessment of AM properties variation, and to provide an early estimation of a product qualification likelihood related to design parameters of interest, without the need for copious testing. The estimation of qualification likelihood can also point out which are the unique AM material uncertainties that require further specific testing, to enable the design of a product with a better performance and more affordable test phases. The method is demonstrated with the design for AM gridded of ion thrusters for satellite applications.
摘要增材制造(AM)材料特性的不确定性和变化及其对产品质量的影响。由于缺乏AM技术方面的经验,专家们很难对AM组件进行评估,也很难确定安全裕度。因此,可能会出现意外的鉴定困难,从而导致昂贵和漫长的重新设计过程。为了降低鉴定失败的风险,工程师可能会在早期阶段进行大量耗时且昂贵的样本测试,或者建立过度保守的设计裕度,从而超越AM技术的减重优势。在本文中,提出了一种基于模型的设计方法,用于具有可负担测试阶段的AM空间组件的概念设计。该方法利用模糊逻辑系统地说明专家对AM特性变化的评估,并提供与感兴趣的设计参数相关的产品合格可能性的早期估计,而无需进行大量测试。鉴定可能性的估计还可以指出哪些是独特的AM材料不确定性,需要进一步的具体测试,以使产品设计具有更好的性能和更实惠的测试阶段。该方法已通过卫星应用离子推进器AM网格的设计进行了验证。
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引用次数: 0
Sustainability awareness in engineering design through serious gaming 通过严肃的游戏,提高工程设计的可持续性意识
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-03-18 DOI: 10.1017/dsj.2022.9
G. W. Scurati, J. Nylander, F. Ferrise, M. Bertoni
Abstract Sustainability considerations are traditionally difficult to trade-off with technical and business requirements in an early design phase. Hence, design teams need support to reflect early on in the process, on how sustainability may affect profitability and customer value fulfilment in the long term. The commoditisation of modelling and simulation techniques points to gamification and serious gaming as emerging approaches to raise awareness among the design team – as well as users and stakeholders – of the expected behaviour of a solution along its life cycle. The objective of this paper is to explore how serious games can be used to inform decision-makers about the value versus cost implications of being (or not being) ‘sustainability compliant’ when designing products and systems. The paper initially presents the findings from a descriptive study focused on the definition of ‘design support’ intended to raise sustainability awareness through serious gaming. It further describes the development, application and testing of one of such games for material selection in the aerospace industry.
在早期设计阶段,可持续性考虑通常很难与技术和业务需求进行权衡。因此,设计团队需要支持,以便在流程的早期反映可持续性如何在长期内影响盈利能力和客户价值实现。建模和仿真技术的商品化表明,游戏化和严肃游戏是提高设计团队(以及用户和利益相关者)对解决方案在其生命周期中的预期行为的认识的新兴方法。本文的目标是探讨如何利用严肃游戏来告知决策者在设计产品和系统时,是否符合“可持续性标准”的价值与成本。本文首先介绍了一项描述性研究的结果,该研究侧重于“设计支持”的定义,旨在通过严肃的游戏提高可持续性意识。它进一步描述了一个这样的游戏的开发,应用和测试的材料选择在航空航天工业。
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引用次数: 0
Towards a solver-aware systems architecting framework: leveraging experts, specialists and the crowd to design innovative complex systems 面向求解器感知的系统架构框架:利用专家、专家和人群来设计创新的复杂系统
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-03-11 DOI: 10.1017/dsj.2022.7
Z. Szajnfarber, Taylan G. Topcu, Hila Lifshitz-Assaf
Abstract This article proposes the solver-aware system architecting framework for leveraging the combined strengths of experts, crowds and specialists to design innovative complex systems. Although system architecting theory has extensively explored the relationship between alternative architecture forms and performance under operational uncertainty, limited attention has been paid to differences due to who generates the solutions. The recent rise in alternative solving methods, from gig workers to crowdsourcing to novel contracting structures emphasises the need for deeper consideration of the link between architecting and solver-capability in the context of complex system innovation. We investigate these interactions through an abstract problem-solving simulation, representing alternative decompositions and solver archetypes of varying expertise, engaged through contractual structures that match their solving type. We find that the preferred architecture changes depending on which combinations of solvers are assigned. In addition, the best hybrid decomposition-solver combinations simultaneously improve performance and cost, while reducing expert reliance. To operationalise this new solver-aware framework, we induce two heuristics for decomposition-assignment pairs and demonstrate the scale of their value in the simulation. We also apply these two heuristics to reason about an example of a robotic manipulator design problem to demonstrate their relevance in realistic complex system settings.
摘要本文提出了一种求解器感知系统架构框架,用于利用专家、群体和专家的综合优势来设计创新的复杂系统。尽管系统体系结构理论已经广泛探索了在操作不确定性下替代体系结构形式和性能之间的关系,但由于谁生成解决方案,人们对差异的关注有限。最近,从零工到众包再到新型合同结构,替代解决方法的兴起,强调了在复杂系统创新的背景下,需要更深入地考虑架构和解决能力之间的联系。我们通过抽象的问题解决模拟来研究这些互动,代表不同专业知识的替代分解和解决者原型,通过与其解决类型相匹配的契约结构参与。我们发现,首选架构会根据指定的解算器组合而变化。此外,最佳的混合分解-求解器组合同时提高了性能和成本,同时减少了对专家的依赖。为了实现这个新的求解器感知框架,我们引入了分解分配对的两种启发式方法,并在模拟中展示了它们的值的规模。我们还将这两种启发式方法应用于机器人机械手设计问题的一个例子,以证明它们在现实复杂系统设置中的相关性。
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引用次数: 0
No time for that? An investigation of mindfulness and stress in first-year engineering design 没有时间了?一年级工程设计中的正念和压力调查
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-02-23 DOI: 10.1017/dsj.2022.5
H. Nolte, Jacquelyn Huff, Christopher McComb
Abstract Engineering design induces mental stress for students and the sources of stress for each stage of design are unique. Therefore, strategies are needed to manage the stress of engineering design that are applicable across the design process. This study investigated the effect of a brief mindfulness-based intervention on first-year students’ cognitive stress during concept generation, concept selection and physical modelling. It was found that the mindfulness-based intervention did increase one aspect of students’ state mindfulness (though the effect was small). While prior work indicates that increased mindfulness can lower perceived stress, the increase in students’ state mindfulness during this study was not found to have an observable impact on students’ stress experience. However, students were receptive to completing a mindfulness-based activity in-class and perceived multiple benefits. Physical modelling was the most stressful of the design tasks while concept generation and concept selection produced similar levels of stress. Students used five reoccurring mechanisms for coping with the stress of design including focusing on the task, minimising the importance of their performance, breathing, taking a break and avoidance/distraction. More research should be conducted with longer duration mindfulness-based interventions to understand their potential as a stress management strategy for engineering design.
摘要工程设计会给学生带来心理压力,每个设计阶段的压力来源都是独特的。因此,需要在整个设计过程中适用的策略来管理工程设计的压力。本研究调查了在概念生成、概念选择和物理建模过程中,基于正念的简短干预对一年级学生认知压力的影响。研究发现,基于正念的干预确实提高了学生状态正念的一个方面(尽管效果很小)。虽然先前的研究表明,增加正念可以降低感知压力,但在本研究中,学生状态正念的增加并没有对学生的压力体验产生明显影响。然而,学生们乐于在课堂上完成基于正念的活动,并感受到了多重好处。物理建模是设计任务中压力最大的,而概念生成和概念选择产生的压力水平相似。学生们使用了五种反复出现的机制来应对设计压力,包括专注于任务、尽量减少表现的重要性、呼吸、休息和避免/分散注意力。应采用基于正念的长期干预措施进行更多研究,以了解其作为工程设计压力管理策略的潜力。
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引用次数: 3
Defining success in open source hardware development projects: a survey of practitioners 定义开源硬件开发项目的成功:对从业者的调查
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-02-21 DOI: 10.1017/dsj.2021.30
Rafaella Antoniou, J. Bonvoisin, P. Hsing, E. Dekoninck, D. Defazio
Abstract Recent years have seen the rise of citizens as contributors to hardware product creation. This trend has increased attention to open source hardware (OSH): a phenomenon that extends the intellectual property management and development practices in open source software (OSS) into the design of physical objects. OSH projects are different from OSS projects due to product type, and distinct from traditional closed source new product development (NPD) ones due to their openness. These differences challenge the degree of applicability of existing project success definitions in the OSH context. To investigate project success in OSH, we conducted a qualitative survey with practitioners. We report characteristics of successful OSH projects through three identified themes: (a) value creation – the big-picture impact, (b) quality of output – the quality of the hardware and accompanying documentation and (c) project process – activities that contribute to success. We contextualise by comparing OSH with selected literature on the success of OSS and NPD project management. While our study confirms a similarity between OSS and OSH in defining project success, it also highlights themes that are uniquely important to the latter. These findings are helpful for OSH development practice and could provide lessons for OSS development and closed source NPD.
近年来,越来越多的公民成为硬件产品创造的贡献者。这种趋势增加了对开源硬件(OSH)的关注:这种现象将开源软件(OSS)中的知识产权管理和开发实践扩展到物理对象的设计中。OSH项目与OSS项目的区别在于产品类型,与传统的闭源新产品开发(NPD)项目的区别在于开放性。这些差异挑战了现有项目成功定义在职业安全与健康环境中的适用性程度。为了调查职业安全与卫生项目的成功,我们对从业人员进行了定性调查。我们通过三个确定的主题来报告成功的职业安全与健康项目的特征:(a)价值创造-大局影响,(b)输出质量-硬件和随附文件的质量,以及(c)项目过程-有助于成功的活动。我们通过将职业安全与选定的关于OSS和NPD项目管理成功的文献进行比较,将其置于背景中。虽然我们的研究证实了OSS和OSH在定义项目成功方面的相似性,但它也强调了对后者特别重要的主题。这些发现对职业安全与健康开发实践有一定的帮助,可以为OSS开发和闭源NPD提供借鉴。
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引用次数: 2
Design methodology for mass personalisation enabled by digital manufacturing 数字化制造实现大规模个性化的设计方法
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-02-14 DOI: 10.1017/dsj.2022.3
M. Ozdemir, J. Verlinden, G. Cascini
Abstract Mass Personalisation (MP) is becoming more significant to answer diversifying customer needs, as a result of the advancements in digital manufacturing. In contrary to the modular design in mass customisation, Design for MP (DfMP) proposes more profound changes in product and active user involvement in the design process, while maintaining mass efficiency. Traditional product development methodologies fall short in guiding MP, as it has the distinct differences with product variability and the customer involvement with specific needs. In this study, a dedicated design methodology for MP is presented, focussing on these key dimensions. The proposed methodology guides the designer through the development process of a user modifiable design and demonstrates how to facilitate the user involvement in reaching a personalised design. It proposes a flexible and adaptable seed design architecture, and an interactive customer co-creation process. The development of a seed design, construction of its design space, and management of the solution space with a design solution algorithm are elaborated. The application of the methodology was illustrated on the personalisation of knitted footwear, and 3D printed saxophone mouthpiece. The examples show the potential of the methodology to deal with coupled MP cases. A systematic approach to DfMP will allow expanding MP to more products, and acts as a foundation for the customer co-creation oriented design in the context of this emerging paradigm.
摘要由于数字制造的进步,大规模个性化(MP)在满足多样化客户需求方面变得越来越重要。与大规模定制中的模块化设计相反,面向MP的设计(DfMP)提出了更深刻的产品变化和用户在设计过程中的积极参与,同时保持了大规模效率。传统的产品开发方法无法指导MP,因为它在产品可变性和客户参与特定需求方面存在明显差异。在这项研究中,提出了一种专门的MP设计方法,重点关注这些关键维度。所提出的方法指导设计师完成用户可修改设计的开发过程,并演示如何促进用户参与实现个性化设计。它提出了一个灵活和适应性强的种子设计架构,以及一个交互式的客户共创过程。阐述了种子设计的开发、设计空间的构建以及设计求解算法对求解空间的管理。该方法在针织鞋和3D打印萨克斯吹口的个性化上的应用得到了说明。实例显示了该方法在处理MP耦合案例方面的潜力。DfMP的系统方法将允许将MP扩展到更多的产品,并在这种新兴范式的背景下作为面向客户共创的设计的基础。
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引用次数: 3
Mapping the landscape of a wide interdisciplinary curriculum: a network analysis of a Korean university and the lessons learnt 绘制广泛跨学科课程的景观:一所韩国大学的网络分析及其经验教训
IF 2.4 Q3 ENGINEERING, MANUFACTURING Pub Date : 2022-02-14 DOI: 10.1017/dsj.2022.1
H. Ryu, Jieun Kim
Abstract Interdisciplinary programmes have become common in universities and research groups’ curricula. This study conducted a network analysis on a Korean university’s undergraduate curriculum and used several visualisation tools to assess keywords across courses and departments, revealing epistemological distances between the courses/departments and their concepts of study. This data-driven methodology defined the characteristics of close or neighbouring departments, making it possible to implement narrow interdisciplinarity through common subjects within the courses. Interestingly, a further projected network could determine the implicit relations between departments that are not considered close, which would make it possible to implement a wide interdisciplinary curriculum. The data-driven network analysis conducted in this study contributes to searching for new programmes for specific levels of interdisciplinarity on an empirical basis.
摘要跨学科课程在大学和研究小组的课程中已经很常见。这项研究对一所韩国大学的本科生课程进行了网络分析,并使用了几种可视化工具来评估各个课程和部门的关键词,揭示了课程/部门与其学习概念之间的认识论距离。这种数据驱动的方法定义了相近或相邻部门的特点,使通过课程中的共同科目实现狭窄的跨学科性成为可能。有趣的是,进一步规划的网络可以确定不被认为密切的部门之间的隐含关系,这将使实施广泛的跨学科课程成为可能。本研究中进行的数据驱动的网络分析有助于在实证基础上为特定水平的跨学科性寻找新的方案。
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引用次数: 0
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Design Science
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