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Nested partitions method for assembly sequences merging

EXPERT SYSTEMS WITH APPLICATIONS 2011年第8期38卷 9918-9923页

作者： Zhou, Wei Zheng, Jian-rong Wang, Jun-feng E China Univ Sci & Technol Coll Mech & Power Engn Shanghai 200237 Peoples R China Huazhong Univ Sci & Technol Sch Mech Sci & Engn Wuhan 430074 Peoples R China

The severe competition in the market has driven enterprises to produce a wider variety of products to meet consumer's need. However, frequent variation of product specification and more complexity of product cause the assembly sequence planning of product become more and more complicated. As a result, the issue of assembly sequence planning of complex product becomes a problem which is worthy of concern. In this study, a methodology for assembly sequence planning of complex components is presented, which consists of three phases: assembly-based modular design, assembly subsequences generation for each module and assembly sequences merging. Nested partitions (NP) method is used to merge assembly subsequences. Assembly sequences merging can make full use of subsequences information of modules and simplify assembly sequence planning of the complex products. A desk lamp is used as an example for implementation to validate the feasibility of this research. (C) 2011 Elsevier Ltd. All rights reserved.

关键词： module partition Assembly sequence planning Assembly sequences merging Nested partitions method

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Product Improvement Design Method facing Modularization Disassembly

Product Improvement Design Method facing Modularization Disa...

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International Conference on Materials Science and Engineering Applications

作者： Wang, Weilin Zhang, Jiatai Harbin Engn Univ Coll Mech & Elect Engn Harbin 150001 Peoples R China

ISBN: (纸本)9780878492169

From the perspectives of modularization disassembly, the influence of entity structure, function, motion and other factors of product brought to disassembly efficiency is elaborated. A way to improve design facing modularization disassembly is proposed. The time and cost of disassembly are checked by the proposed method through examples. Comparisons of disassembly evaluation before and after improvement are conducted based on the results. The general method to improve design is summarized. In terms of differences of repair probability of key parts in maintenance process, the improvement design criterion is put forward in the method, which improves the maintenance efficiency, reduces the maintenance cost and difficulty of disassembling operation and avoids data explosion of disassembly sequence because of too many parts.

关键词： optional disassembly module partition improvement design

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Study on Modular Design Method for CNC Lathe

Study on Modular Design Method for CNC Lathe

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International Conference on Information Engineering for Mechanics and Materials (ICIMM 2011)

作者： Xu Zhiwei Liu Yongxian Northeastern Univ Sch Mech Engn & Automat Shenyang Peoples R China

ISBN: (纸本)9783037852125

a multi-dimensional module partition methodology is put forward for CNC lathe, in which not only the functional module partition and the physical structure module partition of CNC machine tools are taken into account, but the characteristics of different stages of in the whole life-cycle of machine tools is considered as well. On the basis of this the principle of module partition for CNC machine tools are presented. The mechanical structure system of CNC lathe is elaborated on the functional module and structural module. A CNC machine tool company's HTC Series CNC lathes modular design is illustrated as an example.

关键词： CNC lathe Modular design module partition Modularization Variant design

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Design of a Reconfigurable Modular Underwater Vehicle

Design of a Reconfigurable Modular Underwater Vehicle

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International Conference on Advanced Design and Manufacturing Engineering (ADME 2011)

作者： Wang, Yujia Zhang, Huaqing Zhang, Mingjun Su, Hao Harbin Engn Univ Coll Mech & Elect Engn Harbin Peoples R China China Ship Bldg Ind Corp Res Inst Harbin Peoples R China

ISBN: (纸本)9783037852149

To improve the adaptability of small underwater vehicle for different requirements in various work, it propose a innovative design scheme to provide a reconfigurable structure for underwater vehicle. By analyzing the current structure of modem modular underwater vehicles and considering the future application requirements of small underwater vehicle, it partition independent standard module for each functional unit and design the mechanical and electrical interface for the connection of those modules. Furthermore, it gives some feasible reconfigurable structure of the modular underwater vehicle to meet the typical application requirements.

关键词： small underwater vehicle modular design module partition

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Research on Bionic Hive Modularization Technology of Disassembly

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International Conference on Frontiers of Manufacturing and Design Science (ICFMD2010)

作者： Wang, Weilin Zhang, Jiatai Harbin Engn Univ Coll Mech & Elect Engn Harbin 150001 Peoples R China

ISBN: (纸本)9783037850046

Aiming at the characteristics of optional disassembly problem, disassembly strategy based on bionic disassembly hive model is presented in this study. This method is combined with modular theory to resolve the data explosion which is caused by too many parts in disassembly body for relevant algorithms. Through establishing disassembly hive space model, the judgment of disassembly direction and some other problems are transferred into the evaluation of ant bee groups' migration routes. The relative disassembly difficulty of the part is defined based on the conception of disassembly ring. And new ideas of obtaining disassembly sequence are introduced to improve the efficiency of getting disassembly programs.

关键词： optional disassembly module partition improvement design

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Min-max partition Method of Product ModularizationBased on Fuzzy Clustering

Min-max Partition Method of Product ModularizationBased on F...

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International Conference on Advanced Design and Manufacturing Engineering (ADME 2011)

作者： Chen, Yan-hui Zhou, De-jian Xidian Univ Sch Mechanoelect Engn Xian 710071 Shanxi Peoples R China Guangxi Univ Technol Dept Mech Engn Guangxi 545006 Peoples R China

ISBN: (纸本)9783037852132

This paper presents a new method of product module partition based on the fuzzy clustering analysis. This method demonstrates the relevant definitions and calculation methods of the initial partition, min-max partition, submodule relevancy and module aggregation etc., and establishes the incidence matrix to respectively carry out the initial partition for the products and calculation of min-max partition according to various incidence relations between parts and components. Taking the submodule as computing unit in each module set, this paper carries out the fuzzy cluster analysis to obtain the module partition results of the products, and finally demonstrates the rationality and effectiveness of this method by taking the example of the working units of the wheel loaders.

关键词： Fuzzy Clustering module partition min-max partition working unit modularity

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Study on Key Techniques of Parametric Design System Based on SolidWorks and KBE

Study on Key Techniques of Parametric Design System Based on...

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International Conference on Green Building, Materials and Civil Engineering (GBMCE 2011)

作者： Yao, Du Chang, Zhiyong Zhao, Jie Dou, Yangliu Northwestern Polytech Univ Minist Educ Key Lab Contemporary Design & Integrated Mfg Tech Xian 710072 Peoples R China

ISBN: (纸本)9783037852033

This paper analyzes the current status and inadequate of three-dimensional parametric design, and introduces the conceptions and principles of KBE (Knowledge Based Engineering) technology and the parametric design. The key techniques of parametric design system are studied based on the platform of combination of Solid Works as three-dimensional feature modeling software, Microsoft Access as supported database and Microsoft Visual Basic as the development tool. Firstly, we divide the product into modules by functions. Secondly, invoke corresponding knowledge and methods of design and calculation in the KBE knowledge base to perform design and calculation. Then we use parametric modification method combined with equations, values link and design tables to get the parametric models, judge the rationality of the design parameters through finite element analysis, and create the drawings which meet the processing and production requirements using drawings automatically adjustment technology. Finally a case study of stacker design is given to validate these techniques of parametric design system, and show that the techniques have great significance for improving product design quality, shorting the design cycle and improving the competitiveness of enterprises.

关键词： KBE Parametric Design module partition Secondary Development Data Interface Drawings automatically adjustment

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Scheme Design of Glass-stacker Machinery Based on module Design Method

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International Conference on Information Technology for Manufacturing Systems (ITMS 2011)

作者： Tian Yingzhong Liu Guangchen Li Ming Li Wei Shanghai Univ CIMS Shanghai 200072 Peoples R China

In this paper, the scheme design was studied primarily based on module design method. Moreover, with the black-box method, Analytical Hierarchy Process (AHP) and the calculation of interrelation, the scheme design pro... 详细信息

ISBN: (纸本)9783037851494

关键词： Glass-stacker machinery module design Function analysis module partition

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Application Research on Sluice Supervisory and Control System 2

Application Research on Sluice Supervisory and Control Syste...

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2nd ETP/IITA Conference on Telecommunication and Information

作者： Li, Zhongzhi Chengdu Univ Informat Technol Chengdu Sichuan Peoples R China

ISBN: (纸本)9789881824202

Sluice supervisory and control system plays an important role in flood control and water dispatching;it is the way to implement water resources informatization. At present, many sluice supervisory and control systems have high cost because of using technologies such as PLC and fieldbus. In this paper, sluice supervisory and control system is studied by using 485 bus, video capture card and digital input/digital output (DI/DO) card technologies. The system architecture and software module partition are proposed, and then detail introduction of subsystems are given. The software system is developed with low cost, and it can effectively implement the information management of sluices supervisory and control.

关键词： sluice control software system module partition

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Modular Design Method and module Interface Development for Small Reconfigurable Underwater Vehicle

Modular Design Method and Module Interface Development for S...

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2011 IEEE International Conference Mechatronics and Automation(2011 IEEE机电一体化与自动化国际会议)

作者： Yujia Wang Mingjun Zhang Hao Su College of Mechanical and Electrical Engineering Harbin Engineering University Harbin Heilongjiang China

To improve the capability of small underwater vehicle for different type of tasks, such as high speed cruise and low speed exploration, a modular design method is discussed and different module interface forms are compared to guide the development of small reconfigurable underwater vehicle. By analyzing the structure characters and function parameters of underwater vehicle, a practical module partition method is proposed and according to a certain requirement for survey task a typical module interface form of small modular underwater vehicle is developed, including the function module structure and mechanical and electrical interface. Some possible structures based on the basic modules are also described to validate the reconfigurable capability of the small underwater vehicle.

关键词： underwater vehicle modular design module partition reconfigurable structure module interface

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