CIMS论文的天地


并行工程

邮购专著《并行工程中面向成本的设计》(陈晓川著)吉林人民出版社2003.4.

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⊙第11篇⊙

 Methodology and Technology of Design For Cost (DFC)
注意:本论文已经发表在The 5th World Congress on Intelligent Control and Automation, (WCICA'04)June 14-18, 2004, Hangzhou, China  
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(EI 已经收录本文)

Chen Xiaochuan , Yang Jianguo Li Beizhi 
The Mechanical Engineering College, Donghua University ,Shanghai,China 
Feng Xin-an 
The Laboratory of Advanced Manufacturing Technology,Dalian University of Technology, Dalian, Liaoning Province, China

Abstract: Design for X(DFX) is the key technology in concurrent engineering. Design For Cost (DFC) is a branch in DFX. DFC is a design method which analyze and evaluate a product’s life cycle cost (LCC), then modify the design to reduce the LCC. In order to realize DFC, some key technologies were proposed: LCC model; design result’s evaluation and generation of design suggestions; integration of DFC and other DFX methods. DFC’s conceptual model included deisgn tools, LCC estimation methods base, feture mapping and decision-making support system. Using Group Technology and feature modeling technology, a general concept model of DFC was developed at the detail design stage. The Activity-Based Costing (ABC) method was used to estimate product LCC in the conceptual model. Finally, a structure of LCC estimation methods base was established using agents. It can be used to estimate the LCC of mechanical parts and products.

Index Terms - Concurrent Engineering, Design For Cost (DFC) 


⊙第12篇⊙

The Relationship between Design For Environment (DFE) and Design For Cost (DFC)
注意:本论文已经发表在World Engineers' Convention 2004(世界工程师大会),November 2-6, 2004 ,Vol G, 293-296 Shanghai, China,  
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Chen XiaoChuan
The Mechanical Engineering College, Donghua University, Shanghai, China, 200051

Abstract: Design for environment (DFE) or Design For Cost (DFC) is one of the branches in DFX. Both of them concern some product life cycle factors in design. The former emphasis is greenness or environmental protection; the later emphasis is life cycle cost (LCC). Using DFE, LCC must be considered. Using DFC, environmental protection must be also considered. By analysis of the relationship between DFE and DFC, the method that integrated them can be found. Namely, LCC estimation methods can be used in DFE; Life Cycle Assessment (LCA) can be used in DFC; the other way is that design is evaluated using Design Compatibility Analysis (DCA) in DFX.
Keywords: Concurrent engineering, Design for environment (DFE), Design for cost (DFC), Life cycle cost (LCC)


⊙第13篇⊙

Research on Concurrent Design of CPC Oriented Discrete Manufacturing Enterprises

注意:本文已经发表在Journal of Shanghai University (English Edition),2003,7(1):80-83  
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(EI 已经收录本文)

Liu Li-lan(刘丽兰),Yutao(俞涛),Fang Minglun(方明伦),Wang Xiaohong(王晓红)
CIMS & Robot Center , School of Electromechanical Engineering and Automation, Shanghai University, Shanghai 200072,China

Abstract:In order to fulfill the product concurrent design requirements of discrete manufacturing enterprises, this paper puts forth for the first time a Collaborative Product Commerce (CPC) oriented X2D (X to Design) theory, which can take Collaboration, Commerce and Concurrence (3C) into realization during the product design stage. At the same time, this research adopts VPN (Virtual Private Network) technique to ensure the security of product data and information during transportation. By building CPC oriented and VPN based framework of X2D product concurrent design system, the paper explores a way for discrete enterprises adapting to the drastically competitive market and performing their product innovation.
Keywords:collaborative product commerce (CPC) concurrent design X2D virtual private networks (VPN)

 


⊙第14篇⊙

面向成本的设计(DFC)与CRM/ERP/PLM

注意:本文已经发表在《机械设计与制造》,2005,12:159-161发表
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陈晓川1 田怀宇2
(1、东华大学 机械工程学院,上海,200051)
(2、中信渤海铝幕墙装饰工程有限公司,秦皇岛,066001)

内容摘要:DFC(Design For Cost)是DFX方法的一个分支,本文选择客户关系管理(CRM)、企业资源计划(ERP)、全生命周期管理(PLM)与DFC的关系进行分析,指出CRM可以给DFC提供客户需求、使用中的成本信息;ERP主要提供企业内部的成本信息,如:材料、库存等成本信息;PLM可以提供较全面的产品全生命周期信息。通过上述软件之间的信息集成,达到过程集成。采用的方法是从DFC的角度,通过计算机支持的协同工作系统(CSCW)和软件公共接口构成的过程集成协调控制器,实现它们之间的信息集成和过程集成。
关键词:并行工程,面向成本的设计(DFC-Design For Cost),CRM,ERP,PLM

DFC and CRM/ERP/PLM
Chen XiaoChuan
(The Mechanical Engineering College, Donghua University, Shanghai, China, 200051)
Tian Huaiyu
(Bohai Aluminum curtain engineering Ltd., Qinhuangdao, China,066001)

Abstract:Design For Cost (DFC) is a embranchment of Design For X (DFX). The relationship was gave between DFC and Custom Relationship Management (CRM), Enterprise Resources Planning (ERP), Product Lifecycle Management (PLM). Customer need and use cost information can be offered from CRM to DFC; cost information within an enterprise can be offered by ERP to DFC, such as the material cost and stock cost information; PLM can offer more overall product whole life cycle information to DFC. In order to realize information integration and process integration, computer supported cooperative work(CSCW)and open software interface was adopted at the point of DFC.
Keywords:Concurrent Engineering, Design For Cost (DFC), Custom Relationship Management (CRM), Enterprise Resources Planning (ERP), Product Lifecycle Management (PLM)


⊙第15篇⊙

基于神经网络集成的家用轿车全生命周期成本估算与性能指标预测

注意:本文已经发表在《机械设计》,2010,27(1):9-13,29发表
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陈晓川1 袁杰1 吴迪2杜红彬3
(1.东华大学 机械工程学院,上海,201620 2.大连理工大学 计算机学院,大连,116024 3.华东理工大学 自动化系, 上海,200237)

内容摘要:面向成本的设计(DFC-Design For Cost)是从设计的角度降低全生命周期成本(LCC-Life Cycle Cost)的设计方法。从DFC的角度,通过分析得到家用轿车的设计特征主要有外形尺寸、发动机功率、排量等参数,采用基于特征的神经网络集成方法通过实例计算表明在概念设计阶段就可以估算其LCC,为降低其LCC奠定了重要基础。在计算BP神经网络权值时分别采用了Levenberg-Marquardt(LM)法和遗传算法(GA-Genetic algorithm)方法,对两种方法的计算结果进行了神经网络集成,集成后的结果更好。最后采用类似方法,对家用轿车的部分性能指标(百公里耗油量和车身质量)进行了预测。
关键词: 家用轿车,面向成本的设计(DFC-Design For Cost),全生命周期成本(LCC-Life Cycle Cost),神经网络集成,遗传算法

Performance targets and life cycle cost (LCC) estimation of family cars based on the neural network ensemble
Chen XiaoChuan , Yuan Jie1, Wu Di , Du Hongbin3
1) The Mechanical Engineering College, Donghua University, Shanghai 201620, China
2) Department of Intelligent Robotics, Dalian University of Technology, Dalian 116024, China
3) Department of Automation, East China University of Science and Technology, Shanghai 200237,China

Abstract:Design for cost (DFC) is a method that reduce Life cycle cost (LCC) at design stage. From the viewpoint of DFC, the design features of family cars were obtained, such as all dimensions, engine power and emission volume. At conceptual design stage, cars’ LCC were estimated using back propagation (BP) artificial nerve networks (ANN) method based on the features. An example was given. It is an important foundation in order to reduce LCC. Levenberg-Marquardt(LM)and Genetic algorithm (GA) were used to train BP ANN’s weights. GA’s results were better than LM’s results. The results obtained through the adoptions of neural network ensemble are better than simply use GA or LM algorithm. Finally, performance targets (bodywork weight and oil/kilometers ) of family cars were predicted using BP ANN methods.
Keywords: Design for cost (DFC), Life cycle cost (LCC), neural network ensemble, Genetic algorithm (GA)


⊙第16篇⊙

基于互联网的全生命周期成本数据仓库的设计与实现

注意:本文已经发表在《机械设计与研究》,2012,28(1):63-67发表
使用者请注明文章内容出处

陈晓川 刘进方 杨建国 邵俊
东华大学 机械工程学院,上海,201620

内容摘要:本文以制造业中产品全生命周期成本数据的网络收集和基于业务的数据组织方法为研究对象,首先选择成本收集对象及影响成本的性能指标,然后以.NET作为软件开发平台,基于C#网络编程技术开发了从互联网可信站点搜索、采集成本数据的软件系统。再以成本收集对象的特性设计全生命周期成本数据仓库数据模型,以所获取的成本数据作为数据仓库的数据源,建立了数据仓库。为了保证数据质量,系统已建立初步的数据清理转换与数据源回溯验证功能,保证数据仓库数据的正确性、完整性和实效性。最后,本文以家用轿车为实例,建立了其全生命周期成本数据仓库,目前已积累近3500款车型30多个月以来30万条的产品信息及成本数据,验证了方法的可行性。
关键词:全生命周期成本,数据仓库,数据采集,家用轿车

The Design and Application of Life Cycle Cost Data Warehouse based-on Web
Chen XiaoChuan , Liu Jinfang, Yang Jianguo ,Shao Jun
The Mechanical Engineering College, Donghua University, Shanghai, China, 201620

Abstract:This paper mainly focused on the life cycle cost collection of manufacturing product based on web and data organization methodology according to business requirements. The general features of manufacturing product life cycle cost were analyzed at first while cost collection objects and cost-related product features were chosen. After that, the software system was developed using .NET and C# web programming technique picking up cost data from credible websites in Internet. Then, life cycle cost data warehouse model was designed via features of cost collection object ending up with the establishment of data warehouse system acquiring cost data as data source. Basic data cleaning and data validation function was developed to meet data quality demand referring to data integrality, data authenticity and data time effectiveness. Finally, an exemplification system of family cars was set up successfully assembling 300 thousand plus records about 3500 car models in last 30 months. This proved the method was valid.
Keywords:Life cycle cost; data warehouse; data collection; family car


 

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