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Discrete Simulation on Elective Surgery Wait Line Using Arena Simulation Software 基于Arena仿真软件的择期手术排队离散仿真
Pub Date : 2020-04-01 DOI: 10.7763/ijmo.2020.v10.745
Xing Yee Leong, N. Jajo, S. Peiris
Medical professionals and patients have struggled with long elective surgery waiting line for decades. Hospitals across the world, especially in countries with universal healthcare, struggle with balancing the heavy demand from elective surgery waiting line and allocating enough resources for emergency patients. Patients must rely on private hospitals or going abroad to get faster health care, but poorer patients do not have this privilege. In this research, we investigate whether moving surgeons across hospitals within a local health district can improve the elective surgery waiting line. For the scope of this research, only 3 types of surgeries, Urology, Ophthalmology, and Orthodontics, are considered. In order to implement the simulation process, 3000 dummy patients, 2000 old and 1000 new patients, were created for each urgency type in each surgery category. The data was fed into a new model in the Arena Simulation model as input. Poisson and Triangular distribution were applied in this model for assigning the surgery and observation duration. Our model scenario contains 2 large hospitals and 1 small hospital. In the experiment model, one surgeon was moved from both large hospitals to the designated small hospital, and we analyzed the 90 percentile of the output. We noticed that the 90 percentile duration in the waiting line decreased for both small and large hospitals after moving one surgeon from each large hospital. Therefore, we can conclude that temporarily transferring surgeons from one hospital to another can be beneficial to the elective surgery wait line. By moving surgeons instead of patients, patients can also choose a hospital nearer to their home for their elective surgery.
几十年来,医疗专业人员和患者一直在为漫长的择期手术等待时间而苦苦挣扎。世界各地的医院,特别是在实行全民医疗保健的国家,都在努力平衡择期手术等待排队的巨大需求和为急诊患者分配足够的资源。患者必须依靠私立医院或出国获得更快的医疗服务,但较贫穷的患者没有这种特权。在这项研究中,我们调查了在当地卫生区域内的医院之间移动外科医生是否可以改善选择性手术的等待时间。对于本研究的范围,只考虑了泌尿外科、眼科和正畸外科3种类型的手术。为了实现模拟过程,每个手术类别的每个紧急类型分别创建了3000名虚拟患者,2000名旧患者和1000名新患者。这些数据作为输入输入到Arena Simulation模型中的一个新模型中。该模型采用泊松分布和三角分布来分配手术和观察时间。我们的模型场景包含2家大医院和1家小医院。在实验模型中,一名外科医生从两家大医院转移到指定的小医院,我们分析了输出的90%。我们注意到,从每家大医院移走一名外科医生后,无论在大医院还是小医院,排队等候的90%时间都有所减少。因此,我们可以得出结论,暂时将外科医生从一家医院转移到另一家医院可以有利于选择性手术排队。通过移动外科医生而不是患者,患者也可以选择离家更近的医院进行选择性手术。
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引用次数: 3
Assisted Multi Objectives Research Optimization of the Arm Type Robot’s Forces 臂型机器人力的辅助多目标研究优化
Pub Date : 2020-04-01 DOI: 10.7763/ijmo.2020.v10.748
A. Olaru, S. Olaru, Niculae Mihai, N. Šmídová
Multi objectives optimization in Robotics is one of the most difficult problem to be solved. In the paper will be shown the matrix form of the resistive and active forces and the proper algorithm to establish the best case between all studied cases. The mathematical matrix form of the active forces equations was transposed to the virtual LabVIEW instrumentation with the goals to obtain some characteristics of the active forces in each joints of the robot variation vs. time in the case when were changed some functional or constructive parameters. By using proper algorithm was choose the best solution between the studied cases for down movements of the robot’s arm. The applied method, the algorithm and the proper virtual instrumentation solve one small part of the complex problems of the optimisation in robotics.
多目标优化是机器人技术中最难解决的问题之一。本文将给出电阻力和主动力的矩阵形式,以及在所有研究情况之间确定最佳情况的适当算法。将主动力方程的数学矩阵形式转置到虚拟LabVIEW仪器中,目的是在改变某些功能参数或构造参数的情况下,获得机器人各关节主动力随时间变化的一些特征。采用适当的算法,在研究的情况下选择机器人手臂向下运动的最优解。应用的方法、算法和适当的虚拟仪器解决了机器人优化中的一小部分复杂问题。
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引用次数: 2
CO-ARCH: Methodology for COllaborative ARCHitectures for Cross-organizational Data Analysis CO-ARCH:跨组织数据分析的协作架构方法论
Pub Date : 2020-02-01 DOI: 10.7763/ijmo.2020.v10.740
B. D. Van Der Waaij, Groningen Dw Netherlands Tno, E. Lazovik, T. Albers
In modern data-driven analysis it becomes quite typical to process not only the datasets you own, but to collaborate with other organizations to receive data and analysis results from them as well. It is performed to achieve much more accurate analysis results, make better predictions, and be able to provide better decision-support mechanisms. However, to analyze data in a cross-organizational environment is not the same as to analyze your own data: there are many limitations and conditions from the collaborators to allow access to their data and/or analysis models. This paper presents a methodology called CO-ARCH dealing with the process of choosing the suitable data-driven architectures for collaboration on data analysis between different organizations having their own conditions and limitations.
在现代数据驱动分析中,不仅要处理自己拥有的数据集,还要与其他组织合作,从他们那里接收数据和分析结果,这一点非常典型。执行它是为了获得更准确的分析结果,做出更好的预测,并能够提供更好的决策支持机制。然而,在跨组织环境中分析数据与分析您自己的数据是不一样的:合作者有许多限制和条件允许访问他们的数据和/或分析模型。本文提出了一种称为CO-ARCH的方法,处理不同组织之间的数据分析协作选择合适的数据驱动架构的过程,这些组织具有自己的条件和局限性。
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引用次数: 0
ESProNet: A Model Library for the Dynamic Simulation of Industrial Symbiosis 基于ESProNet的工业共生动态仿真模型库
Pub Date : 2020-02-01 DOI: 10.7763/ijmo.2020.v10.738
Martin Maiwald, Linda Kosmol, C. Pieper, T. Schmidt
One approach to a more sustainable industry is the reuse of waste and by-products. In particular, the exchange of resources between companies and the reuse of energy are considered critical, as they are time-dependent and may require technical or organizational changes to the production system leading to new interdependencies between the companies. Simulation is a suitable tool for analyzing the dynamic behavior of production systems to identify and evaluate critical factors and risks with regard to compatibility or feasibility, necessary changes and their effects on the system. This paper presents a modeling and simulation approach for resource reuse and exchange in the context of industrial symbiosis. To distinguish the proposed method from related work, an overview of existing modeling and simulation approaches is presented. The suggested approach is based on the modeling language Modelica. A custom model library with reusable preconfigured model elements is developed to model and simulate different production systems and scenarios bottom-up and modularly and in order to investigate interactions between resource providers and consumers. The conceptual and mathematical development of the model components and their interaction principles are presented and demonstrated. Based on this, organizational interdependencies and their economic and ecological impacts can be analyzed.
一个更可持续发展的工业的方法是废物和副产品的再利用。特别是,公司之间的资源交换和能源的再利用被认为是至关重要的,因为它们是有时间依赖性的,可能需要对生产系统进行技术或组织变革,从而导致公司之间新的相互依赖关系。仿真是分析生产系统动态行为的合适工具,用于识别和评估与兼容性或可行性、必要变更及其对系统的影响有关的关键因素和风险。本文提出了一种工业共生环境下资源再利用与交换的建模与仿真方法。为了将所提出的方法与相关工作区分开来,对现有的建模和仿真方法进行了概述。建议的方法基于建模语言Modelica。开发了一个带有可重用预配置模型元素的自定义模型库,以自底向上和模块化的方式建模和模拟不同的生产系统和场景,并研究资源提供者和消费者之间的交互。提出并演示了模型组件的概念和数学发展及其交互原理。在此基础上,可以分析组织相互依赖及其经济和生态影响。
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引用次数: 2
Artificial Carbon Nanotube Synthesis Optimization to Address the Vaccine Cold Chain Network Problem 解决疫苗冷链网络问题的人工碳纳米管合成优化
Pub Date : 2020-02-01 DOI: 10.7763/ijmo.2020.v10.743
Kanon Sujaree
In this research study, a novel metaheuristic approach using nanotechnology is proposed, known as Artificial Carbon Nanotube Synthesis Optimization (ACNSO), in order to develop a vaccine cold chain network in north of Thailand. The scope of the study emphasizes Area 1 of the Office Disease Prevention and Control in the Chiang Mai region. Vaccines must be transported both to the Provincial Health Offices and hospitals in the region. This study seeks to arrange the transportation routes involved in order to achieve the shortest possible total distance. The algorithm must first of all assess the travel conditions between each point in the network, and then generate the starting solution. Efficient solutions to this problem will cut the total processing time. The study then made a comparison between the results produced by ACNSO algorithm and those of other algorithms used in earlier studies. Full factorial design was the statistical approach used to evaluate the optimal parameters for the algorithm. The experiment was designed to examine the various factors which influence the algorithm performance. The results showed that ACNSO algorithm found the best solution in experimental algorithms and 3 processing time.
在这项研究中,提出了一种使用纳米技术的新型元启发式方法,称为人工碳纳米管合成优化(ACNSO),以便在泰国北部建立疫苗冷链网络。研究的范围强调清迈地区疾病预防和控制办公室的第1领域。疫苗必须运送到省卫生局和该地区的医院。本研究旨在安排运输路线,以达到尽可能短的总距离。该算法必须首先评估网络中各点之间的行驶情况,然后生成起始解。对这个问题的有效解决将缩短总处理时间。然后,研究将ACNSO算法产生的结果与早期研究中使用的其他算法的结果进行了比较。全因子设计是采用统计方法来评估算法的最佳参数。实验旨在检验影响算法性能的各种因素。结果表明,ACNSO算法在实验算法中得到了最优解,处理时间为3。
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引用次数: 1
Design and Evaluation on Mobile Edge Caching Testbed 移动边缘缓存试验台的设计与评价
Pub Date : 2020-02-01 DOI: 10.7763/ijmo.2020.v10.741
Can Zhang, Mingyuan Zang, Ying Yan
Internet traffic is predicted to increase fast over the next years. A large portion of it will be generated by mobile video services. Such a data explosion puts higher requirements on the capacity of the mobile network. Deploying more bandwidth resources to increase the network capacity is one solution, but it also means high cost. Mobile Edge Caching (MEC) is a new solution put forward these years to deal with the drastic growth of video data by bringing the video resources close to users at the edge cache. Researches have been done on the design of MEC, and implementing it in an emulator is one of the ways to verify the design. An emulator can provide real-case protocol implementation and more credible results compared with simulator. This paper studies the LTE emulators available in the market and proposes an MEC testbed based on the OpenAirInterface platform. Two use cases of the testbed are demonstrated and their performances are evaluated separately.
预计未来几年互联网流量将快速增长。其中很大一部分将由移动视频服务产生。这样的数据爆炸对移动网络的容量提出了更高的要求。部署更多的带宽资源来增加网络容量是一种解决方案,但这也意味着高成本。移动边缘缓存(MEC)是近年来为了应对视频数据的急剧增长而提出的一种新的解决方案,它将视频资源在边缘缓存中贴近用户。对MEC的设计进行了研究,在仿真器中实现MEC是验证设计的方法之一。与仿真器相比,仿真器可以提供真实的协议实现,结果更加可信。本文研究了市场上现有的LTE仿真器,提出了一个基于OpenAirInterface平台的MEC测试平台。演示了测试平台的两个用例,并分别对它们的性能进行了评估。
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引用次数: 0
Modeling Interstate War Combat Deaths 模拟州际战争战斗死亡
Pub Date : 2020-02-01 DOI: 10.7763/ijmo.2020.v10.739
Vaughn H. Standley, Frank G. Nuño, Jacob W. Sharpe
A prolonged campaign of peaceful interstate competition is an ideal strategic application of artificial intelligence. Monte Carlo simulation, based on validated war analytics, must be at the heart of this capability. Otherwise the system will not know how to assess the potential consequences of failed solutions, chief among them combat fatalities resulting from interstate war. Although the power law has been used since 1960 to model the statistical distribution of deaths resulting from violent conflict, it is not a valid candidate for use in Monte Carlo simulation because it is mathematically divergent for the case of interstate war. Probing Correlates of War Project data, investigators found that combat fatalities in interstate war follow log-gamma or log-normal distributions, depending on whether a state is attacking or defending. Both distributions are valid for use in Monte Carlo simulations. Moreover, they are strong quantitative evidence that war should be modeled as a zero-sum, non-cooperative, high-risk game.
长期的国家间和平竞争是人工智能的理想战略应用。基于有效战争分析的蒙特卡罗模拟必须成为这种能力的核心。否则,该体系将不知道如何评估解决方案失败的潜在后果,其中最主要的是国家间战争造成的战斗伤亡。虽然幂律自1960年以来一直用于模拟暴力冲突造成的死亡的统计分布,但它不是蒙特卡罗模拟中使用的有效候选,因为它在国家间战争的情况下在数学上是不同的。调查战争项目数据的相关性,调查人员发现,州际战争中的战斗死亡人数遵循对数-伽马或对数正态分布,这取决于一个国家是进攻还是防御。这两种分布都适用于蒙特卡罗模拟。此外,它们是强有力的量化证据,表明战争应该被建模为零和、非合作、高风险的游戏。
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引用次数: 1
Building a Cloud-based Regression Model to Predict Click-through Rate in Business Messaging Campaigns 构建基于云的回归模型来预测商业消息传递活动的点击率
Pub Date : 2020-02-01 DOI: 10.7763/ijmo.2020.v10.742
Alexandros Deligiannis, Charalampos Argyriou, D. Kourtesis
The goal of the research presented here is to describe an innovative approach to predicting the impact of a business messaging campaign, by estimating the percentage of message recipients who will engage with a message. The motivation is to facilitate business marketers to address the problem of estimating the return on investment coming from a potential messaging campaign. The presented solution relies on the processing of large scale business data, taking into account state-of-the-art predictive algorithms, GDPR compliance requirements, and the challenge of increased data security and availability. In this paper we discuss the design of the core functional components of a system that could make this possible, which encompasses predictive analytics, data mining and machine learning technologies in a cloud computing environment.
本文的研究目标是描述一种创新的方法,通过估计将与消息交互的消息接收者的百分比来预测业务消息传递活动的影响。其动机是帮助企业营销人员解决估算潜在消息传递活动的投资回报的问题。该解决方案依赖于大规模业务数据的处理,考虑到最先进的预测算法、GDPR合规性要求以及数据安全性和可用性提高的挑战。在本文中,我们讨论了能够实现这一目标的系统核心功能组件的设计,其中包括云计算环境中的预测分析,数据挖掘和机器学习技术。
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引用次数: 3
Design and Implement a 6DOF Anthropomorphic Robotic Structure 六自由度拟人机器人结构的设计与实现
Pub Date : 2019-12-01 DOI: 10.7763/ijmo.2019.v9.736
O. Stan, A. Manea
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引用次数: 0
Deep-sea Drone with Spherical Ultrasonic Motors 带有球形超声马达的深海无人机
Pub Date : 2019-12-01 DOI: 10.7763/ijmo.2019.v9.735
S. Toyama, Uichi Nishizawa
The deep sea of the 4,000m grade is a treasure house of resources. However, there are no precise maps about the sea bottom shape. So, the authors have developed deep-sea drone with functions to make sensing marine bottom and make maps of the 4,000m depth grades. The drone shape durable in the deep sea is only a sphere. The authors have made a prototype of deep-sea drone by use of spherical ultrasonic motors. The authors have succeeded in driving it in underwater.
海拔4000米的深海是一个资源宝库。然而,没有关于海底形状的精确地图。因此,作者开发了具有海底传感和制作4000米深度等级地图功能的深海无人机。在深海中耐用的无人机形状只是一个球体。利用球形超声马达制作了深海无人机样机。作者已经成功地将它驾驶到水下。
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引用次数: 1
期刊
International Journal of Modeling and Optimization
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