数字化设计技术在摩托车行业的应用研究

摩托车产品的数字化设计技术是集成现代化设计中的计算机辅助设计技术、计算机辅助分析、计算机辅助制造、产品数据管理技术虚拟样机技术、快速原型制造技术、标准技术等,融合在产品的设计、开发、制造的全过程,是一个多学科综合性技术。为满足摩托车市场对产品个性化、多样化的需求,解决摩托车行业传统的样机仿制开发模式单一,开发能力受限等问题。研究运用参数化设计、知识驱动、设计知识库和信息集成模式等方法开发了摩托车产品数字化设计平台,并得到了实例验证,为摩托车产品开发与市场需求的结合提供了基础。结论表明,在摩托车行业运用数字化设计技术的思想和方法是可行的。     

2006年《通用机械》将举行压缩机用户调查活动

为了解压缩机行业的市场需求及产品在运行使用过程中的情况，《通用机械》杂志社在使用压缩机产品的用户中组织大规模的市场调查，旨在倾听用户的声音，了解用户需求，同时为制造业研发提供有价值的信息，促进行业共同发展。     

调整轴承产品结构和市场结构建设多元化国际市场营销网络

近几年来，通过全行业的共同努力，中国轴承出口取得了可喜的成绩，提前实现了轴承行业出口创汇的“十五”规划目标。然而，中国轴承出口市场的开发和建设的格局仍然没有大的改善。从出口轴承的单价可以看出，我们出口的产品大多是低端产品，微小型深沟球轴承占出口总量的90％以上；出口的主要市场仍然是美国和欧盟国家，出口轴承对美、欧市场的依赖性太大；市场竞争依然是价格作为主要手段，中国厂家之间在同一市场的低价恶性竞争严重；出口品牌没有得到发展，假冒产品、无牌产品冲击市场的现象时有发生；销售渠道仍然集中在后市场的流通渠道。     

基于数据挖掘的产品族规划方法

产品族规划是产品平台设计的关键环节,它主要包括市场细分与产品族定位两个阶段,帮助企业"在恰当的市场提供恰当的多样性"。针对目前产品族规划过程中存在的主观性等特点,提出了基于数据挖掘的产品族规划方法,从而辅助企业定位出具有广泛开发价值的市场区间,为后续面向该市场区间的产品族设计奠定了基础。首先,基于历史市场数据,通过聚类分析方法完成市场细分;然后在其基础上,采用随机森林分类算法实现市场新需求到细分市场区间的定位,并结合企业自身优势实现产品族的定位。最后,以地铁车辆为例,验证了该方法的有效性和可行性。     

Web环境下的协同装配规划系统

异地开发产品要求装配设计成员间进行协同工作。为支持分布式的装配规划活动，提出了协同装配规划网络环境的体系结构，研究了用户界面、通讯管理、应用服务和信息管理等功能模块，并结合虚拟现实建模语言表达的客户端产品显示模型和服务器端装配应用模型，采用Java—EAI等技术，开发了基于Web的协同装配规划原型系统。用一个驱动装配体实例，说明异地人员间同步的协同装配规划过程，验证了协同装配规划方法的可行性和系统的有效性。     

加工中心用户点评——“第二届加工中心用户调查”观点摘录

2011年11月,《金属加工》杂志启动了“第二届加工中心用户调查”,这是继2006年“首心加工中心应用调查”后,我们为行业献上的又一份厚礼。我们举办行业渊查的目的,是为国家相关部门制定政策提供参考,为行业制定发展规划提供数据支持,让企业更加深入地了解用户对某一产品或服务的需求,使企业在进行产品开发、设计及改进时能充分考虑到刖户的意见,寻找适合本企业发腱的目标市场,     

凌云公司汽车驱动轴产品赢得上海大众项目

近日,中国兵器工业集团河北凌云工业有限公司汽车等速万向节前驱动轴产品市场开发取得突破,赢得上海大众ModelZ项目,实现了与上海大众的首次合作,掀开了该产品市场开发的历史新篇章。     

压缩机用户满意品牌获奖企业揭晓及获奖感言

随着我国国民经济的发展需求,压缩机行业仍有望保持良好的发展势头。面对压缩机行业良好发展的市场态势,《通用机械》杂志社在使用压缩机产品的用户中组织专业市场调查,旨在倾听用户的声音,了解目前国内压缩机行业的潜在市场需求、规模、存在的问题,为压缩机生产企业决策提供参考,促进行业共同发展。压缩机用户满意品牌调查是我们系列调查活动中的一项,希望通过我们架起用户与制造业之间沟通的桥梁,更好地服务于通用机械制造业及其用户行业。     

削减利润，关键是要企监练内功

我认为中国泵行业现阶段出现的竞相压价行为是无法回避的现象是阶段性的策略性的市场行为。中国泵行业有4000余家制造企业．行业集中度较低，绝大部分企业产品技术含量低同质化程度高不同性质的企业在经营和管理上的差距明显．从客观上来讲中国泵行业存在降价空间。随着用户专业化程度的提高信息不对称的现象将逐步消失整个行业     

基于Web源的客户需求获取及分析方法

为把握市场动态和了解客户需求,提出一种从广域网中及时获取及分析客户信息的方法。在对比分析分散式和集中式Web信息源优劣特征的基础上,提出了由集中式Web原始信息源到市场分析数据集间的映射关系,建立了以产品生命周期特征为基础的信息分析知识库以及相应的量化处理规则集。该方法基于所建立的知识库和分析规则,采用规则驱动的数据挖掘技术,首先进行原始Web信息单元特征定位分析,进而对信息单元中的客户需求进行词频统计分析和内容分析,以形成产品市场整体趋势以及系统的客户需求分布。最后结合典型行业的信息源进行了具体应用。     

Development of a fuzzy FMEA based product design system

The demand for high-quality and low-cost products with short development time in the dynamic global market has forced researchers and industries to focus on various effective product development strategies. The authors are carrying out research studies to explore the applicability of fuzzy logic and knowledge-based systems technologies to today’s competitive product design and development, with an emphasis on the design of high quality products at the conceptual design stage. A framework of a fuzzy FMEA (failure modes and rffects analysis) based evaluation approach for new product concepts is proposed in this paper. Based on the proposed approach and methodologies, a prototype system named EPDS-1, which can assist inexperienced users to perform FMEA analysis for quality and reliability improvement, alternative design evaluation, materials selection, and cost assessment, thus helping to enhance robustness of new products at the conceptual design stage. This paper presents the underlying concepts of the development and shows the practical application with the prototype system with a case study.     

An asynchronous and synchronous coupling approach in networked rapid product development

Faced with today's competitive market, the development of innovative product needs to be accelerated. But this is limited by heterogeneous systems and a distributed environment. A way of utilising network technology to this end must be found. In this paper, we use a new approach, called asynchronous and synchronous coupling, which is a network-based product development approach. This is then applied to rapid-response manufacturing by small- and medium-sized enterprises in a distributed environment. It demonstrates integrated thinking, high development speed and a transparent development process. Visual technology and real-time monitoring technology are used to solve asynchronous process and data management problems. An ICE (integrated collaborative environment) is also created to support synchronous collaboration.     

企业新产品开发中工艺性设计的探讨

开发一项好的新产品，对市场经济下的企业非常重要。如何开发好新产品与许多因素有关。本文通过对新产品开发中工艺性设计问题的提出和如何开展进行了探讨，旨在为企业搞好新产品开发提供参考意见。     

CONCURRENT PRODUCT PORTFOLIO PLANNING AND MIXED PRODUCT ASSEMBLY LINE BALANCING

Reconfigurable products and manufacturing systems have enabled manufacturers to provide "cost effective" variety to the market. In spite of these new technologies, the expense of manufacturing makes it infeasible to supply all the possible variants to the market for some industries. Therefore, the determination of the right number of product variants to offer in the product portfolios becomes an important consideration. The product portfolio planning problem had been independently well studied from marketing and engineering perspectives. However, advantages can be gained from using a concurrent marketing and engineering approach. Concurrent product development strategies specifically for reconfigurable products and manufacturing systems can allow manufacturers to select best product portfolios from marketing, product design and manufacturing perspectives. A methodology for the concurrent design of a product portfolio and assembly system is presented. The objective of the concurrent product portfolio planning and assembly system design problem is to obtain the product variants that will make up the product portfolio such that oversupply of optional modules is minimized and the assembly line efficiency is maximized. Explicit design of the assembly system is obtained during the solution of the problem. It is assumed that the demand for optional modules and the assembly times for these modules are known a priori. A genetic algorithm is used in the solution of the problem. The basic premise of this methodology is that the selected product portfolio has a significant impact on the solution of the assembly line balancing problem. An example is used to validate this hypothesis. The example is then further developed to demonstrate how the methodology can be used to obtain the optimal product portfolio. This approach is intended for use by manufacturers during the early design stages of product family design.     

产品研发中应用并行工程与技术状态管理

论述了产品研发中应用并行工程与技术状态管理,既加快新产品的开发速度,又能控制新产品的质量,在尽可能短的时间内开发出满足市场需求、质量稳定、性能可靠的新产品.     

基于PSDM的产品协同开发的供应商绩效考核

激烈的市场竞争带动产品供应链分工与协同的进化。供应商的作用不再只是负责零部件生产制造或物料供应。而是要参与产品协同开发、承担更多产品设计与创新的责任,因此供应链协同产品开发对供应商及企业供应链管理提出了新的要求。提出基于PSDM的产品协同开发的供应商绩效考核方法：先是通过产品结构定义矩阵PSDM,并结合给出的绩效考核指标体系,给出了供应商绩效考核的过程和方法。最后给出了参与数控机床研发的供应商绩效考核的实例。     

Internet-based collaborative product development chain for networked product development

Product development in the manufacturing industry has been facing unprecedented challenges brought about by ever-changing global and competitive market conditions as well as changing individual customer demands. As manufacturing enterprises become more specialized, they need to communicate and work concurrently on a large volume of product data covering their factories, sub-contractors as well as suppliers. The collaboration and cooperation between enterprises is changing from a supply chain based on material flow to a collaborative product development chain based on task flow. Computer network technologies, especially the Internet, have injected velocity into product development activities and enabled companies to shift their traditionally centralized product development philosophy to networked product development philosophy. This paper introduces a new paradigm called Internet-based collaborative product development chain (ICPDC) to answer the aforementioned needs of current product development. It connects users in geographically different locations to carry out product development activities simultaneously and collaboratively using a series of tools, including product management tools, workflow management tools, and project management tools. Some key aspects of the ICPDC, including its concept, collaboration mechanism, constituents and fashioning principle, are introduced in detail. Furthermore, a framework for the ICPDC based on a Brower/Server is proposed. Finally, a prototype is implemented using web services technology and .Net programming language to demonstrate the feasibility of the structure and the collaborative approach that has been developed.     

基于产品结构树建模的CAPP系统研究

为了使企业能满足快速响应市场需求变化的要求，CAPP系统应能实现产品和零件信息的集成和共享。提出了面向产品的CAPP方法，阐述了基于产品结构树的CAPP系统体系结构，分析了基于产品结构树的CAPP系统的过程与功能。结合开发的系统详述了面向工艺的产品结构树的实现方法及应用。     

Approximate Estimation of the Product Life Cycle Cost Using Artificial Neural Networks in Conceptual Design

In order to improve the design of products and reduce design changes, cost, and time to market, life cycle engineering has emerged as an effective approach to address these issues in today’s competitive global market. As over 70% of the total life cycle cost of a product is committed at the early design stage, designers can substantially reduce the life cycle cost of products by giving due consideration to the life cycle implications of their design decisions. During the early design stages there may be competing requirements. In addition, detailed information is scarce and decisions must be made quickly. Thus, both the overhead in developing parametric life cycle cost (LCC) models for a wide range of concepts or requirements, and the lack of detailed information make the application of traditional LCC models impractical. A different approach is required because a traditional LCC method should be incorporated in the very early design stages. This paper explores an approximate method for providing the preliminary life cycle cost. Learning algorithms trained to use the known characteristics of existing products can perhaps allow the life cycle cost of new products to be approximated quickly during the conceptual design phase without the overhead of defining new LCC models. Artificial neural networks are trained to generalise product attributes and life cycle cost data from pre-existing LCC studies. Then, the product designers query the trained artificial model with new high-level product attribute data to obtain an LCC for a new product concept quickly. Foundations for the learning LCC approach are established, and then an application is provided. This paper has been developed to provide designers with LCC information to guide them in conceptual design.     

面向新产品开发的多维市场细分理论

在新产品开发过程中,早期的市场细分起着非常关键的作用,而多维市场细分理论可以更加敏捷、准确地界定目标市场,从而更加快速的制定产品策略。而在对市场细分的众多分析工具中,将聚类分析与联合分析相结合是一种理想的多维市场细分技术。