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Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)最新文献

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Modelling and control of optical interference filters using plasma assisted chemical vapour deposition 等离子体辅助化学气相沉积光学干涉滤光片的建模与控制
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792476
D. Linkens, M. Abbod, J. Metcalfe, B. Nichols
{"title":"Modelling and control of optical interference filters using plasma assisted chemical vapour deposition","authors":"D. Linkens, M. Abbod, J. Metcalfe, B. Nichols","doi":"10.1109/IPMM.1999.792476","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792476","url":null,"abstract":"Optical interference filters with continuously modulated refractive indices throughout their thickness (rugates) are designed and fabricated using microwave plasma-assisted chemical vapour deposition techniques. Intelligent modelling and control techniques are used to model the process and improve the reproducibility of reflection filters.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130043337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Fuzzy clustering model based on changes in vagueness 基于模糊度变化的模糊聚类模型
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792475
M. Sato-Ilic
{"title":"Fuzzy clustering model based on changes in vagueness","authors":"M. Sato-Ilic","doi":"10.1109/IPMM.1999.792475","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792475","url":null,"abstract":"This paper proposes a fuzzy clustering model to extract the exact changes of vagueness in data, which are observed as similarities of objects over time. That is, the objective data is assumed to have vagueness, which changes over time. The author regards this data as 3-way data. For such 3-way data, the most difficult problem has been that the optimal solutions at different times are in conflict with one another. In order to solve this problem, conventional methods have used parameters to represent the weights of clusters at different times. However, in such a case, we cannot see the exact change in vagueness. So the author proposes a clustering model for defining situations of dynamic change. The vagueness of an observation is defined by convex and normal fuzzy sets (CNF sets), and defines a conical membership function to represent the CNF sets. The dissimilarity between two observations is defined as a fuzzy asymmetric dissimilarity. An asymmetric aggregation operator is considered. Numerical results from an application validity the proposed model.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"239 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132463537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A connectionist method to solve job shop problems 一种解决作业车间问题的联结主义方法
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792568
M. Fabiunke, G. Kock
{"title":"A connectionist method to solve job shop problems","authors":"M. Fabiunke, G. Kock","doi":"10.1109/IPMM.1999.792568","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792568","url":null,"abstract":"We propose a novel framework to solve job shop scheduling problems based on connectionist ideas of distributed information processing. In our approach each operation of a given job shop problem is considered to be a simple agent looking for a position in time such that all its time and resource constraints are satisfied. Each agent considers the current time position of its constraint neighbors to gradually change its own position to reach this goal. All agents together form a recurrent dynamical system which either self-organizes after some iterations to a feasible schedule or fails to do so depending on the constraints of the problem. By gradually increasing the constraints through decreasing the allowable overall processing time for a valid schedule, better and better solutions are found up to the point where no further improvements can be made.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129500018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Hybrid fuzzy modelling using simulated annealing and application to materials property prediction 模拟退火混合模糊建模及其在材料性能预测中的应用
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792512
Min-You Chen, D. Linkens
{"title":"Hybrid fuzzy modelling using simulated annealing and application to materials property prediction","authors":"Min-You Chen, D. Linkens","doi":"10.1109/IPMM.1999.792512","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792512","url":null,"abstract":"Proposes a hybrid fuzzy modelling approach using a self-organising network and simulated annealing algorithm for self-constructing and optimising fuzzy rule-based models. The proposed fuzzy modelling procedure consists of two stages. Firstly, a fuzzy competitive neural network is exploited as a data pre-processor to extract a number of clusters which can be viewed as an initial fuzzy model from engineering data. This step is used to perform fuzzy classification with the objective of obtaining a self-generating fuzzy rule base. Secondly, simulated annealing (SA), a combinatorial optimisation technique, is used to optimise the fuzzy membership functions. The application of this approach to the mechanical property prediction for C-Mn-Nb steels is given as an illustrative example.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123862341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Agent-based control of manufacturing systems 基于agent的制造系统控制
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792462
L. Monostori, B. Kádár
{"title":"Agent-based control of manufacturing systems","authors":"L. Monostori, B. Kádár","doi":"10.1109/IPMM.1999.792462","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792462","url":null,"abstract":"Management of complexity, changes and disturbances is one of the key issues in production today. Distributed, agent-based (holonic) structures represent viable alternatives to hierachical systems provided with reactive/proactive capabilities. The paper outlines the difficulties which hinder their industrial acceptance. Several approaches to overcome these barriers are introduced, i.e. the use of simulation techniques for developing and testing agent-based control architectures, the holonification of existing resources and traditional (centralized/hierarchical) manufacturing systems. Finally, the cooperative use of agent-based distributed control structures and the more centralized (e.g. GA-based) schedulers is proposed aiming at systems which can handle critical complexity, reactivity, disturbance and optimality issues at the same time.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126196977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Design tool for assessing manufacturing and environmental impact 用于评估生产和环境影响的设计工具
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792466
D. Rochowiak, S. Messimer, P. Farrington, D. Russell, R. D. Harrell, D.A. Holder
{"title":"Design tool for assessing manufacturing and environmental impact","authors":"D. Rochowiak, S. Messimer, P. Farrington, D. Russell, R. D. Harrell, D.A. Holder","doi":"10.1109/IPMM.1999.792466","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792466","url":null,"abstract":"This paper outlines a design tool that incorporates environmental and quality concerns into a traditional simulation environment. The Design Tool for Assessing Manufacturing Environmental Impact (DTAME) allows a user to concurrently consider the impact of environmental, quality, cost and production attributes early in the product life cycle. DTAME aids in making environmentally conscious decisions and allows designers to understand the consequences of their decisions regarding manufacturing options.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"1974 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130076150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation of springback with the draw/bend test 用拉伸/弯曲试验模拟回弹
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792458
K.P. Li, L. Geng, R. Wagoner
{"title":"Simulation of springback with the draw/bend test","authors":"K.P. Li, L. Geng, R. Wagoner","doi":"10.1109/IPMM.1999.792458","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792458","url":null,"abstract":"This paper summarizes a length analysis of springback of the draw/bend test, conducted using three sheet materials, several friction coefficients, die radii, and draw-in restraining forces. Early results showed large discrepancies between experiments and simulations for some conditions. The simulations have been optimized since that time and their sensitivity to a variety of numerical parameters and, more recently, to the choice of finite element and material model, have been examined. The finite element analysis (FEA) of springback is shown to be very sensitive to numerical parameters, including the number of through-thickness integration points, the angle of contact per shell element, and the tolerances for equilibrium and contact. With the help of numerical sensitivity studies, guidelines are provided for choosing these values effectively. Good agreement between experimental and simulated (3D FEM modeling) springback has now been obtained for a range of process parameters. From this further analysis, it is concluded that the presence of 3D bending (anticlastic curvature) effects dominate the discrepancies, with smaller errors caused by the material model.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125573980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
Simulation and analysis of thin strip casting processes 薄板带铸造过程的仿真与分析
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792461
Y. Sahai, M. Gupta
{"title":"Simulation and analysis of thin strip casting processes","authors":"Y. Sahai, M. Gupta","doi":"10.1109/IPMM.1999.792461","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792461","url":null,"abstract":"An overview of the thin strip casting processes for steel and aluminum is presented in this work. A two-dimensional finite element mathematical model, capable of simulating the turbulent fluid flow, heat transfer and solidification, and thermally induced stresses, is presented.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122232803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Telemining/sup TM/ systems applied to underground hard rock metal mining at Inco Limited Inco有限公司用于地下硬岩金属开采的远程采矿/sup TM/系统
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792453
G. R. Balding
{"title":"Telemining/sup TM/ systems applied to underground hard rock metal mining at Inco Limited","authors":"G. R. Balding","doi":"10.1109/IPMM.1999.792453","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792453","url":null,"abstract":"The introduction of intelligent systems to the underground mining of nickel, copper, cobalt and precious metals can provide significant improvement in the performance of a mine when compared with conventional mining techniques. This paper presents the concepts of Telemining in an actual case study showing how the systems work and the competitive advantage they provide for Inco's underground metal mining operations today and into the future.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"219 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124328453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An efficient method for constructing fuzzy rules 一种构造模糊规则的有效方法
Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296) Pub Date : 1999-07-01 DOI: 10.1109/IPMM.1999.792474
B. Novak, I. Rozman
{"title":"An efficient method for constructing fuzzy rules","authors":"B. Novak, I. Rozman","doi":"10.1109/IPMM.1999.792474","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792474","url":null,"abstract":"Recent advances have merged artificial neural networks with fuzzy logic to generate automatically and to tune membership functions, rules and inference systems. However, these tools are not simple and can generate very complicated error surfaces with multiple local optimums that are traps for the learning algorithm. With the clustering methods automatic rule generation and optimal shape of membership functions can be generated. In this paper a different approach is considered. Instead of generating cluster centers, some vectors are chosen by using certain described criteria. The structure of the learning machine is defined during training. The Vapnik Chervonenkis (VC) dimension is introduced as a measure of the capacity of the learning machine. A prediction of the expected error on the yet unseen examples can be estimated with the help of the VC dimension. The structural risk minimization principle is introduced to construct a machine with the lowest expected error.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133424710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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