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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Inductive learning for optimization of simulation model output 归纳学习优化仿真模型输出
R. Barton, H. Szczerbicka
{"title":"Inductive learning for optimization of simulation model output","authors":"R. Barton, H. Szczerbicka","doi":"10.1109/IPMM.1999.792488","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792488","url":null,"abstract":"In this article we present the optimization approach, 'ML-Opt', which approximates the structure of an unknown goal function by analyzing functional dependency between search points. The functional dependency is determined by an inductive learning algorithm, which generates a classifier used as a control structure in the optimization process. A numerical example and discussions are presented.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"34 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":"115101466","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
A fuzzy design evaluation based on Taguchi quality approach 基于田口质量法的模糊设计评价
A. Donnarumma, N. Cappetti, M. Pappalardo, E. Santoro
{"title":"A fuzzy design evaluation based on Taguchi quality approach","authors":"A. Donnarumma, N. Cappetti, M. Pappalardo, E. Santoro","doi":"10.1109/IPMM.1999.792471","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792471","url":null,"abstract":"A fuzzy method to handle vagueness and imprecision in the description of requirements for multiattribute decision making problem is presented. This method is applied to design of an apron conveyors to collect and transfer scraps. The aggregation function for the overall evaluation is obtained utilising the Taguchi loss functions.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"141 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":"123001276","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: 5
Image analysis and vision systems for processing plants 加工厂的图像分析和视觉系统
A. Niemi, H. Hyotyniemi, R. Ylinen
{"title":"Image analysis and vision systems for processing plants","authors":"A. Niemi, H. Hyotyniemi, R. Ylinen","doi":"10.1109/IPMM.1999.792448","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792448","url":null,"abstract":"Material flowing in a processing plant may be visually observable, but its characterization by physical and computational means of analysis can prove difficult. Problems are encountered in practice both at optical imaging and at extraction of features that characterize the material or its stage of processing, and at related control of the process. Intelligent analysis of the vast amount of data provided by process vision systems is discussed in the paper, in the light of two continuous flow processes, i.e. the froth flotation of minerals and the wet end control of a paper machine.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"478 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":"122745172","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: 7
Intelligold-an expert system for gold plant process design 智能——一个金矿工艺设计专家系统
V. M. Torres, A. Chaves, J. Meech
{"title":"Intelligold-an expert system for gold plant process design","authors":"V. M. Torres, A. Chaves, J. Meech","doi":"10.1109/IPMM.1999.792500","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792500","url":null,"abstract":"Gold mining projects are a rare opportunity in the minerals industry. They require relatively small capital and give high profitability and fast return on investment compared with other mineral projects. To expand or maintain gold production, continuous development of new deposits and fast implementation of new mining sites are needed. Process design is one of the major issues. As simple and easily extractable ores are almost all exhausted, there is a need for a consistent approach to deal with increasing complexity and decreasing or stagnant gold prices. Process design must consider ore genesis, mineralogical characteristics, ore behaviour in available metallurgical processes, linkage with the mining method, environmental impact, and economic issues. The type of work and environment involved makes this application ideal for using AI tools such as expert systems, fuzzy logic and neural networks. This paper presents Intelligold, an expert system for project development teams to use at the preliminary evaluation and conceptual project stages. Information and knowledge from geology/mineralogy, processing and economics are organized, and recommendations on process options and estimated costs and revenue are given. The knowledge building method is described, together with implementation and verification. Success in building this system suggests application to other ores such as copper and complex base metals.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"47 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":"123806882","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
Modulus genetic algorithm and its application to fuzzy system optimization 模遗传算法及其在模糊系统优化中的应用
Sinn-Cheng Lin
{"title":"Modulus genetic algorithm and its application to fuzzy system optimization","authors":"Sinn-Cheng Lin","doi":"10.1109/IPMM.1999.792573","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792573","url":null,"abstract":"The conventional genetic algorithm encodes the searched parameters as binary strings. After applying the basic genetic operators such as reproduction, crossover and mutation, a decoding procedure is used to convert the binary strings to the original parameter space. As the result, such an encoding/decoding procedure leads to considerable numeric errors. This paper proposes a new algorithm called modulus genetic algorithm (MGA) that uses the modulus operation to resolve this problem. In the MGA, the encoding/decoding procedure is not necessary. It has the following advantages: 1) the evolution can be speeded up; 2) the numeric truncation error can be avoided; 3) the precision of solution can be increased. The proposed MGA is applied to resolve the key problem of fuzzy inference systems-rule acquisition. The fuzzy system with MGA as learning mechanism forms an \"intelligent fuzzy system\". Based on the proposed approach, the fuzzy rule base can be self-extracted and optimized.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"18 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":"125753361","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
A SCADA-based expert system to provide delay strategies for a steel billet reheat furnace 基于scada的钢坯加热炉延迟策略专家系统
C. Mui, E. Osinski, J. Meech, P. Barr
{"title":"A SCADA-based expert system to provide delay strategies for a steel billet reheat furnace","authors":"C. Mui, E. Osinski, J. Meech, P. Barr","doi":"10.1109/IPMM.1999.792460","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792460","url":null,"abstract":"The manufacturing of steel bar products in mini-mills involves continuous casting of billet sections, cooling of the billets, reheating to rolling temperatures and final shaping and size reduction in rolling mills. The operation of the reheat furnaces is a significant challenge due to the dynamic nature of both the reheating and rolling processes. The operation of a furnace was analyzed with the use of a SCADA data collection system, and with both steady state and transient mathematical models. The new knowledge gathered in this way was complimented by knowledge from experienced mill personnel to form the basis for an expert system designed to offer timely advice to furnace operators. The result was development of an industrial expert system leading to an increase in furnace and rolling mill productivity.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"2014 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":"123933010","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: 7
Designing in many-valued logic 多值逻辑设计
Antonio Donnarumma, Michele Pappalardo
{"title":"Designing in many-valued logic","authors":"Antonio Donnarumma, Michele Pappalardo","doi":"10.1109/IPMM.1999.792570","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792570","url":null,"abstract":"The analysis described is based on the many-valued logic of Lukasiewitcz (1970). It leads to the construction of a simple design model when the analysis cannot be based upon a two-valued logic. The reference is based on the semantics of Kripke, immersion in a definite possible world, and on the process of verification and confirmation of Carnap. The example given is based on the statistics of Dempster and Shafer.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"116 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":"124214059","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: 2
A fundamental study of incremental deep drawing process 增量拉深工艺的基础研究
S. Shima, H. Kotera, K. Kamitani
{"title":"A fundamental study of incremental deep drawing process","authors":"S. Shima, H. Kotera, K. Kamitani","doi":"10.1109/IPMM.1999.792540","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792540","url":null,"abstract":"Deals with an investigation into the features of an incremental deep drawing process. On a newly developed incremental deep drawing set-up, aluminium sheets are formed to circular cups of various sizes. Deep-drawing is carried out incrementally with a set of tools with common shapes. Process parameters studied are drawing ratio, formed cup size, the vertical and horizontal displacements of the punch in one step relative to the blank. It is thereby shown that LDR depends on the cup size and that fracture occurs at the blank either near the punch shoulder or die shoulder depending on the forming conditions. A fracture mode diagram is thus obtained, where regions or conditions for successful deep-drawing and for fracture occurrence at either portion of the blank are clearly seen. Strain distributions are measured by a scribed circle method with the aid of a common fabrication process for photo lithography.","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":"121287744","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: 2
A study of mechanical properties of multi-layered thin films [for MEMS] MEMS用多层薄膜的力学性能研究
T. Hirasawa, H. Kotera, S. Tawa, S. Shima
{"title":"A study of mechanical properties of multi-layered thin films [for MEMS]","authors":"T. Hirasawa, H. Kotera, S. Tawa, S. Shima","doi":"10.1109/IPMM.1999.792477","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792477","url":null,"abstract":"It is of great importance to investigate mechanical properties of a multi-layered thin film in designing and realizing micro-electro-mechanical systems (MEMS). A new tensile test method is proposed to measure mechanical properties of a multi-layered thin film, which are used in MEMS. In this method, we develop a prefabricated test substrate of gage portion. After measuring Young's modulus of prefabricated test substrate, a thin film is deposited on the test substrate and tensile test is carried out. Young's modulus of the thin film can be measured by subtracting the effect of Young's modulus of the prefabricated test substrate. As an example, Young's modulus of a tungsten thin film deposited by sputtering is measured. We discuss the viability of this method for measuring the mechanical properties of deposited thin film.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"481 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":"123557469","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
Application of a neural network to speed up a mathematical model to calculate strip profiles in flat rolling 应用神经网络加速数学模型计算扁轧带钢轮廓
Y. Shigaki, H. Helman
{"title":"Application of a neural network to speed up a mathematical model to calculate strip profiles in flat rolling","authors":"Y. Shigaki, H. Helman","doi":"10.1109/IPMM.1999.792539","DOIUrl":"https://doi.org/10.1109/IPMM.1999.792539","url":null,"abstract":"Since the sixties, innumerable mathematical models have been developed to simulate flat rolling, specifically, to determine its width-wise profile. Among these, Pawelski, Rasp and others have developed a precise model that accounts for the influence of bending, shearing and flattening of the rolls which are crucial to calculate emergent strip-profiles accurately. This method divides the strip and roll into many stripes, assuming a plane-strain state. For each stripe of the roll and strip, the load and deformation respectively are calculated using an analytical approach. The effects of bending, shearing and flattening are considered through influence coefficients on the rolls. Though good agreement is achieved between the results of this method and those obtained by experience, the program run-time is so large that it must be considered an off-line system. Since the program works iteratively, and since calculation of the influence coefficient matrix for flattening is time-consuming as it must be updated nearly every iteration, improvement in program speed can be achieved by substituting a trained neural network, working as an equal partner in the entire mathematical model. The neural network can be trained in the inverse direction, making possible very fast \"inversion\" of the flattening matrix. This combined model has better acceptance since it doesn't appear as a black box, i.e., a model based on neural networks only, and so it can be adapted for online process control. Two feedforward neural networks were designed to cope with the problem of calculating flattening and loading: one for load-to-flattening and the second for inversion. A backpropagation learning rule was used. Substantial reduction in processing time is obtained, without loss of precision, since the flattening calculation step is substituted by a simple sum of polynomials with an appropriate activation function.","PeriodicalId":194215,"journal":{"name":"Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials. IPMM'99 (Cat. No.99EX296)","volume":"81 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":"126371841","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
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