【作者】 陈晓川；

【导师】 冯辛安；

【作者基本信息】 大连理工大学 ， 机械制造， 2000， 博士

【摘要】 在社会主义市场经济条件下，在开放的、全球经济一体化的信息时代，企业综合运用成本、质量、服务、速度和环保等因素在市场进行全方位的竞争，而成本又在企业竞争力中占据至关重要的地位。如何适应时代的特点，建立降低成本的新思路和方法，对于有效进行价格竞争，提高企业的竞争能力和经济效益都有重大的现实意义。一般来说，降低成本从设计入手是最为有效的，因为在设计阶段产品的大部分成本就已经决定了，在设计以后的环节中采取措施降低成本都不够有效。本文以并行工程中面向成本的设计（DFC--Design For Cost）为研究课题，重点论述了与DFC有关的技术和方法。主要研究内容有： 1、阐述了并行工程的定义、目标、特点、作用、研究热点、应用概况和关键 技术，综述了国内外与DFC有关的研究概况，首次分析了DFC与按费用 设计（DTC—Design To Cost）的区别和联系，划定了研究的范围和重点内 容，并给出了DFC的定义； 2、首次提出了DFC的概念模型和所涉及的关键技术； 3、分析了机械设计理论和方法，通过对设计过程进行了详细的分解，在不同 的设计模型中提出了不同的设计特征分类，为成本估算提供设计信息； 4、全面分析了全生命周期成本的构成及其估算方法，在产品生命周期的不同 阶段（即制造、装配、销售、使用、维修、回收和报废）中提出了有关的 成本特征，并结合前人工作提出了DFC的成本估算策略及估算方法库的组 织结构； 5、运用多域特征映射理论和方法，实现了设计特征域到成本特征域的映射； 6、首次运用公理设计理论和方法，对全生命周期成本估算方法进行了分析， 实现了成本估算的解藕，提出了成本估算的软件框架，可以实现软件开发 工作和成本估算的并行执行； 7、提出了DFC的原型系统并首次提出了基于特征技术和成组技术的DFC的 概念模型。更多还原

【Abstract】 On the condition of market economy and the information period of on-limits, integrative econoiiw in whole world, enterprises comprehensively use cost, quality, service, time and en~抜ronnient to compete in the market. The cost is a key influence factor in enterprise competition abilities. Adapt to the age characters,it has a great meaning to find a new method to reduced the cost and enhance the enterprise competition abilities and economic benefit. Generali), this method is very effective in the beginning of design because the cost of the product have been decided in the design phase. After the design phase, it is difficult to reduce the product cost. In this dissertation, the special emphasis has put on the theories and methods of Design For Cost(DFC). The dissertation mainly consists of seven sections:1 .We discussed concurrent engineering about its definition, targets, characters, affection, research hotspots, general application situations and key technologies. Then we discussed the relational research of DFC. For the first time we analyzed the differences and sameness between DTC(Design To Cost) and DFC. We gave a definition of DFC and its research areas.2.We put forward the concept model of DFC and its key technologies for the first time.3.We analyzed theories and methods of machine design and design process. Then we bring forward diffefent design feature classes in the different design models. The feature provided design information for estimating cost.4. On the basis of life cycle cost component and estimation analysis, we gave the cost estimation features in product life cycle(include manufacturing, assembly, sale, use, service, recycling and reject).Then we proposed the cost estimating strategies and a framework structure of cost estimating ways.5.The transformation of the design features to the cost estimation features is realized by using multiple domain feature mapping.6.Using axiom design theory and methdd, we analyzed life cycle cost estimation and decoupled the cost estimating. Then we proposed a cost estimation software frame. Using the frame the software development and the cost estimation can be executed concurrently.7.Finally,we proposed a DFC prototype system and a DFC concept model based on the group technology and feature technique for the first time.更多还原