共查询到19条相似文献,搜索用时 66 毫秒
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胡钢 《中国新技术新产品》2012,(10):178
质量是企业的生命。国内经济一日千里,在保持高速发展的过程中,由于存在急功近利的心态,诸多工程项目形成了以进度和成本换取质量的局面。最终给人民生命财产带来了威胁,浪费了资源。本文强调质量是不可以作为代价牺牲的。阐述了鱼骨图的制作流程,在结尾结合PDCA和TQC再次表明对质量的理解。 相似文献
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分析了产品设计与开发过程中概念设计的重要价值,介绍了概念设计主要方法,着重论述了功能组合型概念设计,从正反两方面对其作一定剖析,结合设计实例,探讨产品概念设计中的重要问题. 相似文献
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支持概念设计的产品信息网络模型 总被引:12,自引:2,他引:12
本文在分析传统产品装配模型的基础上,提出了支持概念设计的产品装配信息网络模型,并提出了功能表面的概念及其应用,指出功能表面与特征之间的主要区别在于:功能表面体现了形状及拓扑结构的不确定性及成长性。基于功能表面的产品装配信息网络模型细致表达了零件与零件之间、零件与表面之间、表面与表面之间的连接关系,建立了零件之间的全相关性。本文讨论了实现该网络结构的理论模型、具体的数据结构和相应的处理方法,为Top 相似文献
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论述了在较长一段时间里,设计师遵照人机思想,将研究重心投射到产品的可用性研究上,关注安全、方便、舒适等因素.然而到现在,从人机学本身的发展、产品设计在企业产品研发过程中的现状、消费者心理特点等多方面看,这种人机设计准则已显露出不能适应人们新需求的一面.通过分析得出初步结论:基于可用性的人机研究应继续探讨产品的愉悦功能设计,以更好符合用户需求,支持产品设计行业的发展. 相似文献
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目的 为提升生物知识在产品创新中的应用,扩展基于生物知识的产品创新策略,提升和优化仿生设计成果,研究仿生设计中功能创新的基本原理和实现途径。方法 分析功能创新的基本要素、实现原理及其特征分类,将其与仿生设计的应用特征进行结合,归纳仿生设计中功能创新的主要类型,提出面向功能创新的仿生设计原理,最后进一步总结仿生设计中功能创新实现的关键技术,并结合具体的设计案例分别从以设计问题和生物原型为起点来论述仿生设计中功能创新的实现途径。结论 以功能创新为目标,为仿生设计提供了更加明确的方向,同时明确了不同类型产品所适用的仿生设计手法,实现了功能创新与仿生设计过程的结合,提高了生物特征在产品创新设计中的利用效率,可在进一步提升仿生设计成果质量的同时有效缩短设计周期。 相似文献
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目的 针对目前陪伴类产品因功能延展性差而导致产品闲置和资源浪费这一现实问题,从双用户出发构建一套较为适用的功能识别方法模型,来深层次挖掘功能拓展潜力和提高功能延展性。方法 从主用户和陪伴用户来细分多用户构建协同用户角色模型,通过查阅文献资料、访谈调研等方法,来深层次挖掘用户的需求功能,运用KANO模型获取分功能要素在产品整体需求功能中的权重因子,综合运用随机和组合过程计算产品功能组合方案的总体需求度排序,由此筛选出用户需求度较高且与主用户具有匹配度的功能组合方案。结论 以婴儿车为例,运用该方法进行功能方案的输出,验证该方法模型操作的科学性和有效性。 相似文献
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The goal of robust optimization methods is to obtain a solution that is both optimum and relatively insensitive to uncertainty factors. Most existing robust optimization approaches use outer–inner nested optimization structures where a large amount of computational effort is required because the robustness of each candidate solution delivered from the outer level should be evaluated in the inner level. In this article, a kriging metamodel-assisted robust optimization method based on a reverse model (K-RMRO) is first proposed, in which the nested optimization structure is reduced into a single-loop optimization structure to ease the computational burden. Ignoring the interpolation uncertainties from kriging, K-RMRO may yield non-robust optima. Hence, an improved kriging-assisted robust optimization method based on a reverse model (IK-RMRO) is presented to take the interpolation uncertainty of kriging metamodel into consideration. In IK-RMRO, an objective switching criterion is introduced to determine whether the inner level robust optimization or the kriging metamodel replacement should be used to evaluate the robustness of design alternatives. The proposed criterion is developed according to whether or not the robust status of the individual can be changed because of the interpolation uncertainties from the kriging metamodel. Numerical and engineering cases are used to demonstrate the applicability and efficiency of the proposed approach. 相似文献
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《国际生产研究杂志》2012,50(5):1424-1437
In this paper we discuss a typical service network of a company providing repair and refurbishment services for its products. To optimise the network we propose a mixed-integer linear programming (MILP) model that minimises the total cost subject to flow balance and logical constraints. The solution of the model determines which facilities are to be used in the network and the associated flows. The model is validated against data obtained from a computer manufacturer and real-life sources. The optimal network configuration depends on several factors such as the number of products returned, percent of faulty products and warranty fraction of modules, which are uncertain in nature. We also address the issue of identifying these uncertain parameters, and their levels to be considered. A min-max robust optimisation model is then developed and solved to address these uncertainties. 相似文献
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基于非线性需求函数的逆向物流回收模式 总被引:2,自引:0,他引:2
分析4种逆向物流回收模式,在建立系统的回收模型的基础上,在再制造条件下,对需求函数为非线性的不同回收模式下的产品最优价格和生产商最大利润进行了比较分析,并列出了相关数学模型,得到了3个结论,可为企业选择适合自身发展的逆向物流回收模式提供参考。 相似文献
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目的 探索设计驱动的功能创新过程,利用该过程满足用户对不同产品意义的追求,从而提升企业产品的竞争力。方法 首先,明确设计驱动功能创新的原理、特点以及实现所需的基本过程。其次,通过分析不同类型产品意义实现的方式,以及产品用户和应用场景在产品意义发掘中的作用,总结出产品意义发掘的三种模式。根据产品意义发生变化时产品功能变化的相关特点,总结出适用于设计驱动的功能创新技术。最终,形成设计驱动的功能创新过程模型。结论 设计驱动的产品功能创新过程模型可以分阶段地指导设计人员进行功能的创新设计,包括如何提出新的产品意义以及如何对产品功能系统进行调整,为产品功能的创新提供了需求拉动和技术推动之外的新思路。 相似文献
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In the current rapidly changing manufacturing environment, most manufacturing companies have realised that the ability to quickly develop a customised product at competitive prices is very crucial for them to survive in the keen competitive global market. Product modelling has been recognised as one of the key factors in determining the success of various product development strategies and for industrial competitiveness now and in the future. Standard for Exchange of Product model data (STEP) is an international standard designed to provide a complete, unambiguous, computer-readable definition of the physical and functional characteristic of a product through its lifecycle. This paper proposes a STEP-compliant product data model to fully support the complete product information representation and management for injection moulding product development. The data model is developed based on the structure of an injection moulding company. The entire data model consists of six data models which are defined to express information from various departments of the company. The data model is described in EXPRESS language, which can be integrated with other STEP-based product data models and databases. Consequently, the proposed system can be further extended for helping other injection moulding manufacturers to improve their product development process. An information sharing prototype system is implemented based on the proposed product data model to demonstrate the feasibility of the approach. 相似文献