T. Wijayanto, Tasya G. Alma, Bonifatius Bramantya Wisnugraha, Syam Rachma Marcillia, Galang Lufityanto
{"title":"Effect of Coffee Intake on Heat Rate Variability and Driving Performance in Sleep-deprived Condition","authors":"T. Wijayanto, Tasya G. Alma, Bonifatius Bramantya Wisnugraha, Syam Rachma Marcillia, Galang Lufityanto","doi":"10.1109/IEEM.2018.8607685","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607685","url":null,"abstract":"This driving simulation study investigates the effect of coffee intake as a countermeasure on sleepiness and driving performance decrement in sleep-deprived condition. Twelve university students (mean age of $21.2 pm 0.2$ years) drove following an urban route after 24 h sleep deprivation without drinking coffee or with a cup coffee containing 89.4 mg caffeine in two separate days and random order. Sleepiness level was assessed employing a subjective sleepiness scale and heart rate variability. The results show that consuming a cup of coffee before driving in sleep-deprived condition may enhance sympathetic nerve activities and improve driving performance. From these findings, it suggests that consuming coffee may be useful as sleepiness countermeasure in a sleep-deprived condition.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126559134","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}
{"title":"Product Platform Planning through Sensitivity Analysis and Improved QFD Approach","authors":"Lei Zhang, Hansi Chen, Zhenlong Yuan, Xuening Chu","doi":"10.1109/IEEM.2018.8607691","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607691","url":null,"abstract":"The identification of platform parameters plays a key role to keep equilibrium between the external diversity and internal commonality. The relationship between the performance parameter and the design parameter in the traditional Quality of House (QoH) was evaluated by a correlation degree rather than an influence degree. The influence degree measures the design parameter’s influence on the performance parameter, and be more effective to evaluate the performance-design relationship. Hence, based on virtual orthogonal experiment, a method incorporated sensitivity analysis into the improved Quality Function Deployment (QFD) is proposed. Firstly, the virtual experiment scheme is designed through the orthogonal experiment table. Secondly, a virtual experiment environment is built by the built-in software, in which the design parameters are assigned with different values and the corresponding performances are monitored in real-time. Then the sensitivity matrix for design parameter is constructed to replace the correlation matrix in the QoH. Thereafter, the improved QFD can be used to identify the platform parameters. A case study for the smartphone of Samsung Galaxy A series is implemented to verify the effectiveness of the proposed method.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125770425","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}
Reza Babajanivalashedi, A. Baboli, M. Shahzad, R. Tonadre
{"title":"A Predictive Approach to Define the Best Forecasting Method for Spare Parts: A Case Study in Business Aircrafts’ Industry","authors":"Reza Babajanivalashedi, A. Baboli, M. Shahzad, R. Tonadre","doi":"10.1109/IEEM.2018.8607461","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607461","url":null,"abstract":"The cost-effective management of spare parts is an important objective for all manufacturing and service companies. One of the most difficult challenges, for this objective, is accurate demand forecasting and optimized supply planning decisions to achieve best availability level for the spare parts. The main objective of this paper is to propose a predictive approach to identify the best forecasting method with least error cost. Moreover, in business aircraft industry the best forecasting method for a part can change due to the high-level uncertainty in demand. To this purpose, a methodology to select the best forecasting method based on binary classifier machine learning is developed. Proposed methodology is applied in a real case for a well-known business aircraft. The results indicate that neural network is the best machine learning method for 98% of demand and random forest is the best machine learning method for only 2% of parts.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127918524","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}
{"title":"Methodology for Digitalization - A Conceptual Model","authors":"H. Ng, P. Tan, R. Lim","doi":"10.1109/IEEM.2018.8607457","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607457","url":null,"abstract":"This paper reviews the business model and digital capability literatures for tools and techniques related to digital transformation. The theoretical gap identified from the review, combined with findings gathered from a preliminary study with 20 companies in the manufacturing and logistics sector of Singapore highlight the market need for a methodology for digitalization. Based on the inputs gathered from experts familiar with the digital technologies and business transformation, this paper presents a 5-stage conceptual model for a digitalization methodology. The conceptual provides a general structure that defines the key stages of digitalization and their interdependencies, and highlights some future research directions for refining the model for the development of a practical methodology for digitalization.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127921275","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}
{"title":"The Role of Participation in the Factory Planning Process","authors":"U. Dombrowski, A. Karl, Christoph Imdahl","doi":"10.1109/IEEM.2018.8607574","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607574","url":null,"abstract":"The continuous improvement of the current construction and planning processes is a relevant factor for the company’s success. New and existing factories must be economical, flexible and attractive at the same time. On the basis of constantly changing or even new requirements, continuous planning adjustments are required. An increasingly important need in factory planning, in addition to the participation of internal planning stakeholders, is the participation of external actors. More and more often, inadequate project-specific involvement of these actors leads to delays or cost increases in factory planning projects. This can be caused, for example, by increasing regulatory requirements, declining technology acceptance of the population in the direct environment and growing legal capacity to appeal to residents (\"Not-In-My-Backyard\"). Therefore, the participation of external actors in factory planning projects has not been sufficiently considered in the relevant literature. In order to enable stakeholder acceptance, appropriate project-specific integration of relevant stakeholders into the construction project is crucial. The basis for efficient participation is the choice of the right participation features. This article addresses the current state of research in the intersecting point of factory planning and participation research and shows the need for further research.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"284 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132125741","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}
{"title":"Revenue and Cost Sharing Mechanism for Effective Remanufacturing Supply Chain","authors":"T. Inaba","doi":"10.1109/IEEM.2018.8607550","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607550","url":null,"abstract":"Remanufacturing has become popular as a mean to realize a sustainable society. In the remanufacturing process, two types of uncertainty reside; uncertainty of the amount of used products to be collected and that of the demand of remanufactured products. Therefore, deciding how many to collect and how many to procure is the key to success but double marginalization problem is observed if the remanufacturing process consists of two companies. To solve this problem, this study proposes a revenue and cost sharing mechanism to realize a higher expected profit as a channel and brings higher expected profits to both companies. We show its effectiveness by using numerical example. The higher expected profit brought by this proposal would make it feasible to operate remanufacturing supply chains and help accelerate the sustainable society.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132492925","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}
{"title":"Modeling the Dynamics of an Agile Scrum Team in the Development of a Single Software Project","authors":"P. M. Ching, J. E. Mutuc","doi":"10.1109/IEEM.2018.8607430","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607430","url":null,"abstract":"In software development, Agile Scrum is practiced with the intention of increasing the developers’ productivity, and improving the quality of their output [3]. However, difficulties persist which prevent development teams’ from reaping the full benefit of practicing Agile. From a review of case studies of Agile applications,it was observed that developers’ ceased to practice Agile methods in aspects that related to working in teams. In these aspects, they regressed to waterfall methods, in the sense that developers worked in functional silos with little communication as the project progressed. As an attempt to resolve this, the system dynamics framework was applied in analyzing the Agile case studies. This allowed for an assessment of the progression of the problem over time, as an outcome of feedback loops caused by developers reacting to the outcomes of their previous actions. From doing so, the quietly escalating problem of information being withheld between developers in a single project team was understood to be the primary cause of failure. The study concludes by recommending the importance of open communication between developers, and acknowledging work done beyond the team’s plan.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130456041","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}
{"title":"[Copyright notice]","authors":"","doi":"10.1109/ieem.2018.8607521","DOIUrl":"https://doi.org/10.1109/ieem.2018.8607521","url":null,"abstract":"","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133920515","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}
{"title":"A Continuous-Time Unit-Based MILP Formulation for the Resource-Constrained Project Scheduling Problem","authors":"M. Gnägi, Adrian Zimmermann, N. Trautmann","doi":"10.1109/IEEM.2018.8607337","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607337","url":null,"abstract":"In the basic resource-constrained project scheduling problem RCPSP, one aims at selecting starting times for the tasks of a project such that the project makespan is minimized and the project schedule is precedence- and resource-feasible. There is a considerable body of literature about problem-specific solution methods; recently, mixed-integer linear programming (MILP) formulations for the RCPSP have received increasing attention. We suggest a new MILP formulation that utilizes a set of continuous variables indicating the starting times of the project tasks, and three sets of binary variables indicating the assignment of resource units to the project tasks, the potential overlapping of the project tasks, and the sequencing of the project tasks. In a comparison with ten reference formulations from the literature, it is found that the advantages of this new formulation are its simple structure, enhanced flexibility, and superior or comparable performance, particularly when the range of the tasks’ durations is relatively high.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127841286","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}
Ziyue Wang, Yali Zhang, Jun Sun, Chrissie Diane Tan, Menghua Lu
{"title":"The Influence of IM Use on Job Satisfaction in Cross-organizational Projects","authors":"Ziyue Wang, Yali Zhang, Jun Sun, Chrissie Diane Tan, Menghua Lu","doi":"10.1109/IEEM.2018.8607466","DOIUrl":"https://doi.org/10.1109/IEEM.2018.8607466","url":null,"abstract":"Instant messaging (IM) tools have been used by more and more companies for cross–organizational projects. They face two choices: dedicated systems in form of enterprise IM and public platforms like WeChat. This study conducts a comparative analysis of WeChat and enterprise IM. It examines the impact of IM usage on job satisfaction in cross-organizational projects, and uses IM Motivation as a moderator. Research shows that for WeChat, hedonic motivation plays a significant negative moderation role in the impact of instant messaging usage on job satisfaction. For enterprise IM, utilitarian motivation plays a significant positive moderation role in the impact of IM usage on job satisfaction.","PeriodicalId":119238,"journal":{"name":"2018 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115386824","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}