Pub Date : 2008-12-01DOI: 10.4156/JDCTA.VOL5.ISSUE11.19
Chia-Chen Yen, Jih-Shih Hsu
Various Internet applications have mushroomed for years in many different fields, but only few of them survive in the market. One of them is the Internet phone service which has been available since 1995. Recently, this market has shown fast development in terms of many new value-added services offered and an impressive increase in the number of users all over the world. This paper aims to investigate why certain products subsist while varied substitutes exist in the same field. A qualitative approach was used to explore the consumer behaviors of Skype Internet phone and compare the schema changes of Skype users and non-skype users in the same periods. Concluding from the result of qualitative study, the findings indicate the social influences are the most important factors that affect customer behaviors of Skype Internet phone. The model of this paper is not only suitable for Internet applications but also can be extended to survey diverse products in different areas.
{"title":"A qualitative study in consumer behavior of Skype internet phone","authors":"Chia-Chen Yen, Jih-Shih Hsu","doi":"10.4156/JDCTA.VOL5.ISSUE11.19","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL5.ISSUE11.19","url":null,"abstract":"Various Internet applications have mushroomed for years in many different fields, but only few of them survive in the market. One of them is the Internet phone service which has been available since 1995. Recently, this market has shown fast development in terms of many new value-added services offered and an impressive increase in the number of users all over the world. This paper aims to investigate why certain products subsist while varied substitutes exist in the same field. A qualitative approach was used to explore the consumer behaviors of Skype Internet phone and compare the schema changes of Skype users and non-skype users in the same periods. Concluding from the result of qualitative study, the findings indicate the social influences are the most important factors that affect customer behaviors of Skype Internet phone. The model of this paper is not only suitable for Internet applications but also can be extended to survey diverse products in different areas.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125505525","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4737903
K. Lai, L. Luong, R. Marian
Research in the optimal design of multi-echelon production-distribution networks has been focusing on two-echelon models, which comprise the location-allocation of plants and distribution centers subject to specific constraints. Research in two-echelon models could be for two-stage or three-stage optimization model. Currently, almost all the research is in the two-stage model. A three-stage model which integrates DC and plant location-allocation decisions with vendor allocation decisions is, however, a more accurate abstraction of the real world, since the prices and transportation costs of raw materials can vary significantly amongst the vendors, depending on their locations viz-a-viz the plants to be opened. This problem is NP-complete and consists of a large number of variables. This paper provides a solution methodology using genetic algorithm for the optimization of a three-stage, two-echelon, multi-product, capacitated single sourcing production-distribution model.
{"title":"An optimization framework for multistage production-distribution networks using genetic algorithms","authors":"K. Lai, L. Luong, R. Marian","doi":"10.1109/IEEM.2008.4737903","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4737903","url":null,"abstract":"Research in the optimal design of multi-echelon production-distribution networks has been focusing on two-echelon models, which comprise the location-allocation of plants and distribution centers subject to specific constraints. Research in two-echelon models could be for two-stage or three-stage optimization model. Currently, almost all the research is in the two-stage model. A three-stage model which integrates DC and plant location-allocation decisions with vendor allocation decisions is, however, a more accurate abstraction of the real world, since the prices and transportation costs of raw materials can vary significantly amongst the vendors, depending on their locations viz-a-viz the plants to be opened. This problem is NP-complete and consists of a large number of variables. This paper provides a solution methodology using genetic algorithm for the optimization of a three-stage, two-echelon, multi-product, capacitated single sourcing production-distribution model.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114918856","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4737959
Tian Qing, Cui Yixiu, Zhengyu Xue
In order to establish a scientific and reasonable price of water resources and to exploit water resources reasonably, this paper proposes a full cost water resource pricing model on the basis of literature reviews. It points out the method to determine the water supply price, opportunity costs, external costs and the water resource price ceiling. It also develops the water resource dynamic price model at the same time. Finally the paper takes Shenzhen as a case to test the validity of the model. The results indicate the reasonability of the method.
{"title":"A study on the water resource pricing problem based on the recycling economy concept","authors":"Tian Qing, Cui Yixiu, Zhengyu Xue","doi":"10.1109/IEEM.2008.4737959","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4737959","url":null,"abstract":"In order to establish a scientific and reasonable price of water resources and to exploit water resources reasonably, this paper proposes a full cost water resource pricing model on the basis of literature reviews. It points out the method to determine the water supply price, opportunity costs, external costs and the water resource price ceiling. It also develops the water resource dynamic price model at the same time. Finally the paper takes Shenzhen as a case to test the validity of the model. The results indicate the reasonability of the method.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116121245","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4737890
A. Chatzimichali, V. Tourassis
Consumer attitudes and fashion trends often impose severe constraints in manufacturing. When market needs for varied product designs lead to product competition for a place in the production schedule, batch size and available production time are depressed. Due to frequent set-ups and retooling, quality issues arise that hold back the line from a full ramp up. Consequently, the major advantage of quality through learning in mass production is often compromised. In this paper, we stipulate that in batch production the process of industrial learning becomes more complex and thus the archetypal exponential or power curve is not sufficiently rich to describe it. Specifically, we demonstrate that the learning phenomenon appears in double guise: both within and between batches. Actual production data from the fashion-conscious ceramic tile industry provide sufficient support for our premise about the dynamic nature of learning in batch production.
{"title":"Towards a learning curve theory for batch production","authors":"A. Chatzimichali, V. Tourassis","doi":"10.1109/IEEM.2008.4737890","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4737890","url":null,"abstract":"Consumer attitudes and fashion trends often impose severe constraints in manufacturing. When market needs for varied product designs lead to product competition for a place in the production schedule, batch size and available production time are depressed. Due to frequent set-ups and retooling, quality issues arise that hold back the line from a full ramp up. Consequently, the major advantage of quality through learning in mass production is often compromised. In this paper, we stipulate that in batch production the process of industrial learning becomes more complex and thus the archetypal exponential or power curve is not sufficiently rich to describe it. Specifically, we demonstrate that the learning phenomenon appears in double guise: both within and between batches. Actual production data from the fashion-conscious ceramic tile industry provide sufficient support for our premise about the dynamic nature of learning in batch production.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122420556","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4738066
Yang Liu, Jiafu Tang, R. Fung
Facing increasing market competitions, more manufacturers opt to incorporate remanufacturing into their production system in order to alleviate pressures due to increasing raw material price. The management of inventories in the production system becomes more complex when manufacturing and remanufacturing take place simultaneously. It is essential to find a way to decide when remanufacturing should starts and stops at a lower cost. This paper introduces a manufacturing/remanufacturing system with multiple serviceable inventories and multiple recoverable inventories in a steel roller producing process. By considering manufacturing and remanufacturing in the different stages, three modes of production are identified. Then, the inventory profiles in the system are studied to make preparation for the application of EOQ model in the steel roller production process to decide the optimal order quantities and the optimal order time between various serviceable inventories with the view of minimizing the average cost.
{"title":"Background analysis for the application of EOQ model in a three-stage steel roller production system with deterministic demands and returns","authors":"Yang Liu, Jiafu Tang, R. Fung","doi":"10.1109/IEEM.2008.4738066","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4738066","url":null,"abstract":"Facing increasing market competitions, more manufacturers opt to incorporate remanufacturing into their production system in order to alleviate pressures due to increasing raw material price. The management of inventories in the production system becomes more complex when manufacturing and remanufacturing take place simultaneously. It is essential to find a way to decide when remanufacturing should starts and stops at a lower cost. This paper introduces a manufacturing/remanufacturing system with multiple serviceable inventories and multiple recoverable inventories in a steel roller producing process. By considering manufacturing and remanufacturing in the different stages, three modes of production are identified. Then, the inventory profiles in the system are studied to make preparation for the application of EOQ model in the steel roller production process to decide the optimal order quantities and the optimal order time between various serviceable inventories with the view of minimizing the average cost.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122824728","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4738218
M. Aruga, S. Ono, Kiyotaka Takagi, T. Sato, S. Kato
The characteristics of ABR (ABR: auditory brainstem responses) are well known to be widely used on many fields, and especially they are having been adapted on the medical and clinical fields. Although the ABR characteristics and the derivation models have been discussed and presented, the details of the ABR system are not sufficiently analyzed. In this paper the partial differential equations are discussed as the background equation formulas of the ABR characteristics and the meaning of characters among the partial deferential equations is considered and an ability of improvement of them is estimated, then a method of it is proposed. And using the synthesis method an inverse procedure of analysis of the ABR models is proposed and the estimation of the information tr ansmitting relation among the Peirce¿s interpretants (though these elements are in the idea of philosophy) is performed from the real physiological side of this ABR characters.
{"title":"The consideration of the partial differential equations and the information transmitting structure as the background of the ABR derivation and characteristics","authors":"M. Aruga, S. Ono, Kiyotaka Takagi, T. Sato, S. Kato","doi":"10.1109/IEEM.2008.4738218","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4738218","url":null,"abstract":"The characteristics of ABR (ABR: auditory brainstem responses) are well known to be widely used on many fields, and especially they are having been adapted on the medical and clinical fields. Although the ABR characteristics and the derivation models have been discussed and presented, the details of the ABR system are not sufficiently analyzed. In this paper the partial differential equations are discussed as the background equation formulas of the ABR characteristics and the meaning of characters among the partial deferential equations is considered and an ability of improvement of them is estimated, then a method of it is proposed. And using the synthesis method an inverse procedure of analysis of the ABR models is proposed and the estimation of the information tr ansmitting relation among the Peirce¿s interpretants (though these elements are in the idea of philosophy) is performed from the real physiological side of this ABR characters.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116843365","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4737968
Jianguo Zhang, Haiyan Song, Q. Xue
Study on Activities of Daily Living(ADLs) can be used in many research fields, but it is very complex. In this paper 40 basic ADLs were summarized by collecting and analyzing all the ADLs of human body. Then the experiments on 9 healthy adults who performed these 40 activities were conducted. All the procedure was recorded by using a digital vidicon. As a result 17 typical basic actions were obtained by disassembling and abstracting each ADL. These basic actions can substitute for ADLs when we research on the ROM in motion measurement of human body and other research fields, such as study on safety ergonomics of the living space for the aged and disabled, evaluating an individual¿s ability to perform ADLs etc. Experiment efficiency can be improved greatly with the results of this paper.
{"title":"Study on Activities of Daily Living of human body","authors":"Jianguo Zhang, Haiyan Song, Q. Xue","doi":"10.1109/IEEM.2008.4737968","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4737968","url":null,"abstract":"Study on Activities of Daily Living(ADLs) can be used in many research fields, but it is very complex. In this paper 40 basic ADLs were summarized by collecting and analyzing all the ADLs of human body. Then the experiments on 9 healthy adults who performed these 40 activities were conducted. All the procedure was recorded by using a digital vidicon. As a result 17 typical basic actions were obtained by disassembling and abstracting each ADL. These basic actions can substitute for ADLs when we research on the ROM in motion measurement of human body and other research fields, such as study on safety ergonomics of the living space for the aged and disabled, evaluating an individual¿s ability to perform ADLs etc. Experiment efficiency can be improved greatly with the results of this paper.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116853270","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4737963
T. Alvarez, E. Sanz, E. Sastre, M. Bolajraf
Evalua-test is an Internet tool that allows users to examine on-line their knowledge of certain subjects using a Web application. It has been programmed using Java for the users¿ interface and Scilab for the mathematical calculations. Process control and communication systems subjects taught at the computer science engineering degree by our department have been chosen for testing the tool.
{"title":"Evalua-Test: A random test generator","authors":"T. Alvarez, E. Sanz, E. Sastre, M. Bolajraf","doi":"10.1109/IEEM.2008.4737963","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4737963","url":null,"abstract":"Evalua-test is an Internet tool that allows users to examine on-line their knowledge of certain subjects using a Web application. It has been programmed using Java for the users¿ interface and Scilab for the mathematical calculations. Process control and communication systems subjects taught at the computer science engineering degree by our department have been chosen for testing the tool.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117260418","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4738091
A. Rahman, G. Chattopadhyay
Maintenance contracts are becoming more and more popular to the owners of complex and critical items as maintenance through contracts reduces upfront investments in infrastructure, expertise and specialised maintenance facilities. In recent years, maintenance contracts have received significant attention due to increased profits for the service providers and reduction of risk for owners through expert services provided by the service providers. To make maintenance contracts more effective, there is a need to develop mathematical models and understand future costs that could be built into the contract price. In this paper, a conceptual model is developed for estimating cost of outsourcing maintenance of complex and critical asset/equipment taking into account both corrective and preventive maintenance as servicing strategies.
{"title":"Cost estimation for maintenance contracts for complex asset/equipment","authors":"A. Rahman, G. Chattopadhyay","doi":"10.1109/IEEM.2008.4738091","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4738091","url":null,"abstract":"Maintenance contracts are becoming more and more popular to the owners of complex and critical items as maintenance through contracts reduces upfront investments in infrastructure, expertise and specialised maintenance facilities. In recent years, maintenance contracts have received significant attention due to increased profits for the service providers and reduction of risk for owners through expert services provided by the service providers. To make maintenance contracts more effective, there is a need to develop mathematical models and understand future costs that could be built into the contract price. In this paper, a conceptual model is developed for estimating cost of outsourcing maintenance of complex and critical asset/equipment taking into account both corrective and preventive maintenance as servicing strategies.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129784723","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}
Pub Date : 2008-12-01DOI: 10.1109/IEEM.2008.4737971
Chai Chunlai, Feng Jingchun
The south-to-north water division project is by far the world greatest key water conservancy project under the direct leadership of the state council of China. The administrative decision-making is very important for construction and management regulatory agencies. However the decision-making procedure has been low efficient for the past few years. An administrative DSS based on multi-agent technology is proposed in this paper, which improves the decision-making effectiveness and efficiency through the distributed collaboration of different decision-making agents. With rapid development of computer science, this decision-making support system may act as a new paradigm for the administrative decision-making.
{"title":"An administrative DSS for the South-to-North Water Division based on multiagent","authors":"Chai Chunlai, Feng Jingchun","doi":"10.1109/IEEM.2008.4737971","DOIUrl":"https://doi.org/10.1109/IEEM.2008.4737971","url":null,"abstract":"The south-to-north water division project is by far the world greatest key water conservancy project under the direct leadership of the state council of China. The administrative decision-making is very important for construction and management regulatory agencies. However the decision-making procedure has been low efficient for the past few years. An administrative DSS based on multi-agent technology is proposed in this paper, which improves the decision-making effectiveness and efficiency through the distributed collaboration of different decision-making agents. With rapid development of computer science, this decision-making support system may act as a new paradigm for the administrative decision-making.","PeriodicalId":414796,"journal":{"name":"2008 IEEE International Conference on Industrial Engineering and Engineering Management","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128546302","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}
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