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New Human-centered Production System. Building an Integrated Human Management System 新的以人为中心的生产体系。构建综合人力管理系统
Q3 Mathematics Pub Date : 2023-05-03 DOI: 10.37394/23202.2023.22.43
H. Sakai
Currently, Japanese companies are working to survive and develop "global production" to realize "the same quality and simultaneous start’, ’up" in the world. From such a background, the production operator is required to change from simple labor until now to an intelligent production operator, and it is important not only to carry out the decided standard work but also to train the operator who can conceive himself and self "kaizen" at an early stage. The author has defined them as intelligent operator and consider that "the evolution of technology and skill (man)" which makes "the advanced production system be used and guaranteed high quality in the manufacturing site" decides the success or failure of the global strategy. Therefore, the author has devised an integrated human management system "HI’, ’POS (Human Intelligence–Production Operating System" aiming at strategic operation to "global production", and demonstrated the effectiveness of the proposed "HI’, ’POS" at an advanced company, Toyota.
目前,日本企业正在努力生存和发展“全球生产”,实现“同质量,同步启动”,在世界范围内“崛起”。在这样的背景下,要求生产操作员从简单的劳动力到现在转变为智能的生产操作员,不仅要执行既定的标准工作,而且要在早期培养能够设想自己和自我“改善”的操作员。作者将他们定义为智能操作员,认为“技术和技能(人)的进化”决定了全球战略的成败,“先进的生产系统在制造现场得到使用并保证高质量”。因此,笔者针对“全球化生产”的战略运营,设计了一种综合性的人力管理系统“HI”,“POS”(human Intelligence-Production Operating system),并以先进的丰田公司为例,论证了所提出的“HI”,“POS”的有效性。
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引用次数: 2
Implementing the TSI EU into the System of Developing the Annual Train Timetable of the Infrastructure Manager 在基础设施经理年度列车时刻表编制系统中实施TSI EU
Q3 Mathematics Pub Date : 2023-05-03 DOI: 10.37394/23202.2023.22.41
Karel Greiner
The paper describes a new method of developing the annual train timetable in the information system of the infrastructure manager in the Czech Republic. The system is accessible to the information systems of railway undertakings through a data interface that allows receiving and providing messages compliant with the TAF / TAP TSI specifications of the European Union. In order to develop a timetable, processes are designed for processing a new request, modifying and cancelling a request by the railway undertaking, deleting a route by the infrastructure manager, and processing data that is not needed at the time of path construction.
本文介绍了在捷克基础设施管理信息系统中编制年度列车时刻表的一种新方法。铁路企业的资讯系统可透过一个数据接口,接收和提供符合欧洲联盟TAF / TAP TSI规格的讯息。为了制定时间表,流程被设计用于处理新的请求,修改和取消铁路企业的请求,基础设施管理人员删除路线,以及处理在道路建设时不需要的数据。
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引用次数: 0
Revealing the Project Management Office Manager’s Competencies: A Qualitative Study in Financial Industry 揭示项目管理办公室经理胜任力:金融行业的定性研究
Q3 Mathematics Pub Date : 2023-05-03 DOI: 10.37394/23202.2023.22.42
Siti Talidah, Advia Fildzah, M. Ichsan, Diena Dwidienawati, Maharani Syahratu Kertapati, Olinda Calista Yetri, Rafahana Ansiklia Kirana, Adji Pradana, R. Aditya
This study aimed to validate previous studies’ five core competencies of PMO Managers. It describes the competencies of effective PMO Managers as evidence of PMO practices in companies. Researchers obtained data sources from five members of PMO Professional Indonesia (PMOPI) focused on the financial industry. This study uses a qualitative research approach, collecting the data using structured interviews with selected respondents. Certified experts have validated and calculated the percentage of occurrence of each core competency and the PMO management function. A final analysis of the data is conducted using NVIVO Software. The study has produced a percentage of the emergence of PMO managers’ competencies, especially in the financial industry, to validate the five core competencies from previous studies by specific dimensions. The analysis results of this validation, with an inter’, ’rater percentage of 95,31%, indicated that the data analyzed had high accuracy. This study reveals that business mainframe is a competency often applied in the financial industry PMO. The findings are 26,83%, significantly different from the results of other competencies. The Technical & Professional Specialty is 10,87%, Effective Intersocial Competencies is 15,85%, Organizational Stewardship is 10,98%, and Effective Personal Competencies is 3,05%. This study has provided new insight into PMO manager competencies which are required for PMO managers to perform their work effectively. This set of competencies is required by organizations that see the need to develop PMO managers’ capabilities in managing their projects.
本研究旨在验证先前研究的五项核心能力。它描述了有效的PMO经理的能力,作为公司PMO实践的证据。研究人员从PMO专业印尼(ppmi)专注于金融业的五名成员那里获得了数据来源。本研究采用定性研究方法,通过与选定的受访者进行结构化访谈来收集数据。认证专家验证并计算了每个核心能力和项目管理办公室管理功能的出现百分比。使用NVIVO软件对数据进行最终分析。该研究得出了PMO管理者能力的出现百分比,特别是在金融行业,通过具体的维度验证了以前研究的五种核心能力。该验证的分析结果,其“,”比率为95,31%,表明分析的数据具有较高的准确性。研究表明,企业大型机是金融行业项目管理办公室中经常使用的能力。结果为26.83%,与其他能力的结果有显著差异。技术和专业特长是10.87%,有效的社会间能力是15.85%,组织管理是10.98%,有效的个人能力是3.05%。本研究为PMO管理者有效开展工作所需的胜任力提供了新的见解。这组能力是需要开发PMO经理管理项目能力的组织所需要的。
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引用次数: 0
An Explicit Solution to a Discrete-time Stochastic Optimal Control Problem 离散时间随机最优控制问题的显式解
Q3 Mathematics Pub Date : 2023-04-26 DOI: 10.37394/23202.2023.22.40
M. Lefebvre
The problem of controlling a one-dimensional Markov chain until is leaves a given set C is considered. The optimizer tries to minimize the time spent by the Markov chain inside C. The control variable can take two different values. An exact formula is obtained for the value function, from which the optimal control is deduced.
研究了控制一维马尔可夫链直到它离开给定集合C的问题。优化器试图最小化c中的马尔可夫链所花费的时间。控制变量可以取两个不同的值。得到了值函数的精确表达式,并由此导出了最优控制。
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引用次数: 2
Interval Observers for Switched Metzler-Takagi-Sugeno Fuzzy Systems 切换Metzler-Takagi-Sugeno模糊系统的区间观测器
Q3 Mathematics Pub Date : 2023-04-26 DOI: 10.37394/23203.2023.18.10
D. Krokavec, A. Filasová
This paper is concerned with the design of switching observers for nonlinear positive systems, where the basic parameters of the Metzler-Takagi-Sugeno fuzzy models are intervally defined. With consideration of the measurable set of premise variables the associated structure of the switching fuzzy interval observers is proposed for system state estimation to maintain stability and H1 performance level under the influence of norm-bounded additive disturbance. The design conditions take into account the lower and upper bounds of nonnegative system state. A numerical example is included to demonstrate the effectiveness of the developed theory for the condisered class of systems.
本文研究一类非线性正系统的切换观测器的设计,其中Metzler-Takagi-Sugeno模糊模型的基本参数是区间定义的。考虑前提变量的可测集,提出切换模糊区间观测器的关联结构,用于系统状态估计,使系统在范数有界加性扰动影响下保持稳定性和H1性能水平。设计条件考虑了系统非负状态的下界和上界。最后给出了一个数值算例,证明了所建立的理论对所考虑的系统的有效性。
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引用次数: 0
Electric Cleanliness Algorithm based on Multi-Unit Interaction and Reallocation 基于多单元交互和再分配的电气清洁算法
Q3 Mathematics Pub Date : 2023-03-30 DOI: 10.37394/23203.2023.18.9
Nikolaos E. Fragiadakis, A. T. Baklezos, T. Kapetanakis, I. Vardiambasis, C. D. Nikolopoulos
Authors prior to this work proposed a methodology providing electric or magnetic cleanliness on spacecraft implementation by reordering equipment units. More precisely, since the mission's scientific goal relies on the payload's high sensitivity and accuracy for capturing the space environment, field minimization in measuring instrument location is imperative. Electromagnetic cleanliness is a constant open issue, since the mission target relies on clean measurements without including spacecraft self-emissions. A lot of science missions of ESA, NASA, or JAXA select usually a set of a couple of basic units as standard payload, i.e. batteries, Radio Frequency switches, Command units or Data Handling Management units, S-Band Transceivers, Power Distribution Units, etc. The later is usually measured and electromagnetically characterized by employing the on-ground facilities providing equivalent radiating models. This work provides a supplementary module to the formerly created framework for an entire unit positioning approach, taking into account the unit’s test-level data, for suitable allocation of the space vessel’s equipment toward electric cleanliness purposes taking into consideration the unit’s induced behavior.
在此工作之前,作者提出了一种方法,通过重新排序设备单元,为航天器实现提供电或磁清洁。更准确地说,由于任务的科学目标依赖于有效载荷捕获空间环境的高灵敏度和准确性,因此测量仪器位置的现场最小化是必不可少的。电磁清洁度一直是一个悬而未决的问题,因为任务目标依赖于不包括航天器自发射的清洁测量。ESA、NASA或JAXA的许多科学任务通常选择一组基本单元作为标准有效载荷,即电池、射频开关、指挥单元或数据处理管理单元、s波段收发器、配电单元等。后者通常采用提供等效辐射模型的地面设施进行测量和电磁表征。这项工作为以前创建的整个单元定位方法框架提供了一个补充模块,考虑到单元的测试级数据,考虑到单元的诱导行为,为实现电气清洁目的适当分配空间容器的设备。
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引用次数: 0
Remote Monitoring and Control System of a Water Distribution Network using LoRaWAN Technology 基于LoRaWAN技术的配水网络远程监控系统
Q3 Mathematics Pub Date : 2023-03-28 DOI: 10.37394/23203.2023.18.8
Ricardo Yauri, Martin Gonzales, Vanessa Gamero
The problems related to the proper management and control in the distribution of potable water affect environmental sustainability generated by leaks and breaks in the infrastructure, causing leaks and loss of water. According to reports from the National Superintendence of Sanitation Services of Peru, more than 50% of complaints about the water service are related to billing problems and water leaks. It is for this reason that technologies such as the Internet of Things technology contribute to generating solutions for the automatic acquisition of data in residences and houses. That is why this paper aims to use long-range and low-power wireless communication systems to improve the service-oriented to the control of the water distribution network, monitoring of vandalism, and detection of anomalous events, reducing response time and economic losses. The paper's development methodology considers the implementation of a water controller node with flow control sensors and solenoid valves and a gateway with Lora communication. In addition, a solenoid valve control circuit and a remote visualization and control system are implemented. The results indicate that the implemented nodes allow adequate monitoring and control in real-time of the water flow, contributing to the adequate management of its consumption and supporting the detection of anomalous events using a Web application.
与饮用水分配的适当管理和控制有关的问题影响了基础设施的泄漏和破裂所产生的环境可持续性,导致水的泄漏和损失。根据秘鲁国家卫生服务监督局的报告,50%以上的供水服务投诉与账单问题和漏水有关。正是出于这个原因,物联网技术等技术有助于生成住宅和房屋数据自动采集的解决方案。这就是为什么本文旨在使用远程和低功耗的无线通信系统来改进面向服务的配水网络控制、破坏行为监测和异常事件检测,减少响应时间和经济损失。本文的开发方法考虑了一个带有流量控制传感器和电磁阀的水控制器节点以及一个带有Lora通信的网关的实现。此外,还实现了电磁阀控制电路和远程可视化控制系统。结果表明,所实现的节点允许对水流进行充分的实时监测和控制,有助于对其消耗进行充分的管理,并支持使用Web应用程序检测异常事件。
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引用次数: 1
Implementing IoT Technology in Practice: Monitoring the Supply Chain for Sustainable Operation 在实践中实施物联网技术:监控供应链以实现可持续运营
Q3 Mathematics Pub Date : 2023-03-24 DOI: 10.37394/23202.2023.22.38
Christos Pechlivanis
The Internet of Things (IoT) is proliferating, with thousands of new sensors and equipment going live each month. Despite its lengthy evolution, the Internet of Things has only recently begun to take off in the mass market due to low-cost, reduced-power elements, ubiquitous web access, and high business and consumer interest. The Internet of Things includes anything from intelligent kitchen appliances to smart buildings, smart lighting on streets to automated manufacturing processes, and adaptive home heaters to autonomous vehicles. This research concerns studying and applying Internet of Things (IoT) technology to monitor the supply chain and achieve more sustainable operations by ensuring accurate and real-time data monitoring. In this context, an experimental device is developed to read the values of selected physical quantities from the wine supply chain environment through appropriate sensors. The values are then sent to an IoT platform to facilitate the remote monitoring of the above physical quantities and extract valuable insights from the large volume of data generated. The results show that crucial information can be gathered in real-time, enabling quick decision-making and ensuring safer and more sustainable supply chain operations.
物联网(IoT)正在激增,每个月都有成千上万的新传感器和设备投入使用。尽管物联网经历了漫长的发展,但由于低成本、低功耗、无处不在的网络访问以及商业和消费者的高度兴趣,物联网最近才开始在大众市场上起飞。物联网包括从智能厨房电器到智能建筑,从街道上的智能照明到自动化制造过程,从自适应家用加热器到自动驾驶汽车。本研究涉及研究和应用物联网(IoT)技术来监控供应链,并通过确保准确和实时的数据监控来实现更可持续的运营。在这种情况下,开发了一个实验装置,通过适当的传感器从葡萄酒供应链环境中读取选定物理量的值。然后将这些值发送到物联网平台,以促进对上述物理量的远程监控,并从生成的大量数据中提取有价值的见解。结果表明,关键信息可以实时收集,实现快速决策,确保更安全和更可持续的供应链运营。
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引用次数: 0
Determinants of Indonesian Capital Market Reaction 印尼资本市场反应的决定因素
Q3 Mathematics Pub Date : 2023-03-24 DOI: 10.37394/23202.2023.22.39
Yani Riyani, Kartawati Mardiah, Mahyus Mahyus, Endang Kusmana, S. Andriana, Nengzih Nengzih, Irzan Soepriyadi, Endri Endri
Several research results in the Indonesian Capital Market have found a market anomaly phenomenon caused by the market reacting to internal and external information. This study aims to examine whether companyspecific factors (company size, growth, and risk), national macroeconomic factors (Inflation, interest rates, and exchange rates on a national scale), and world macroeconomic factors (market returns, Inflation, interest rates, and world-scale exchange rates) ) may cause the Indonesian Capital Market to react. The form of this research is associative descriptive with a population of all companies indexed by LQ45, totaling 45 companies. According to purposive sampling, the sample used is 22 companies, and data analysis using panel data regression with the help of software Eviews 12. The study's results found that only national interest rates and world inflation could cause the Indonesian Capital Market to react. In contrast, size, growth, risk, national Inflation, world returns, world interest rates, and world exchange rates did not cause the Indonesian Capital Market to react.
印度尼西亚资本市场的几项研究成果发现,市场对内外部信息的反应导致了市场异常现象。本研究旨在考察公司特定因素(公司规模、增长和风险)、国家宏观经济因素(通货膨胀、利率和国家范围内的汇率)和世界宏观经济因素(市场回报、通货膨胀、利率和世界范围内的汇率)是否可能导致印尼资本市场做出反应。本研究的形式是与LQ45索引的所有公司的总体关联描述性的,总共45家公司。根据有目的抽样,使用的样本为22家公司,数据分析使用面板数据回归,并借助于软件Eviews 12。研究结果发现,只有国家利率和全球通货膨胀才会引起印尼资本市场的反应。相比之下,规模、增长、风险、国家通货膨胀、世界回报、世界利率和世界汇率并没有引起印尼资本市场的反应。
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引用次数: 0
Classification of Trifolium Seeds by Computer Vision Methods 三叶草种子的计算机视觉分类
Q3 Mathematics Pub Date : 2023-03-24 DOI: 10.37394/23202.2023.22.34
Recep Eryigit, Yilmaz Ar, Bulent Tugrul
Traditional machine learning methods have been extensively used in computer vision applications. However, recent improvements in computer technology have changed this trend. The dominance of deep learning methods in the field is observed when state-of-the-art studies are examined. This study employs traditional computer vision methods and deep learning to classify five different types of Trifolium seeds. Trifolium, the leading food for nutritious dairy products, plays an essential role in livestock in some parts of the world. First, an image data set consisting of 1903 images belonging to five different species of Trifolium was created. Descriptive and quantitative morphological features of each species are extracted using image-processing techniques. Then a feature matrix was created using eight different features. After feature selection and transformation, unnecessary and irrelevant features were removed from the data set to build more accurate and robust classification models. Four common and frequently applied classification algorithms created a prediction model in the seed data set. In addition, the same dataset was trained using VGG19, a convolutional neural network. Finally, the performance metrics of each classifier were computed and evaluated. The decision tree has the worst accuracy among the four traditional methods, 92.07%. On the other hand, Artificial Neural Network has the highest accuracy with 94.59%. As expected, VGG19 outperforms all traditional methods with 96.29% accuracy. However, as the results show, traditional methods can also produce results close to the deep learning methods.
传统的机器学习方法在计算机视觉应用中得到了广泛的应用。然而,最近计算机技术的进步改变了这一趋势。当检查最先进的研究时,可以观察到深度学习方法在该领域的主导地位。本研究采用传统的计算机视觉方法和深度学习对五种不同类型的三叶草种子进行分类。三叶草是营养乳制品的主要食品,在世界某些地区的牲畜中起着至关重要的作用。首先,创建了一个由属于五个不同种类的三叶草的1903幅图像组成的图像数据集。使用图像处理技术提取每个物种的描述性和定量形态学特征。然后用8个不同的特征创建一个特征矩阵。经过特征选择和转换,从数据集中去除不必要和不相关的特征,以建立更准确和鲁棒的分类模型。四种常用的分类算法在种子数据集中创建了一个预测模型。此外,使用卷积神经网络VGG19训练相同的数据集。最后,对每个分类器的性能指标进行了计算和评价。在四种传统方法中,决策树的准确率最差,为92.07%。另一方面,人工神经网络的准确率最高,为94.59%。正如预期的那样,VGG19的准确率达到96.29%,优于所有传统方法。然而,正如结果所示,传统方法也可以产生接近深度学习方法的结果。
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引用次数: 2
期刊
WSEAS Transactions on Systems and Control
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