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On a Single Server Vacation Queue with Two Types of Service and Two Types of Vacation 在一台服务器上有两种服务和两种假期的假期队列
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-02-15 DOI: 10.37394/23202.2024.23.11
K. C. Madan
{"title":"On a Single Server Vacation Queue with Two Types of Service and Two Types of Vacation","authors":"K. C. Madan","doi":"10.37394/23202.2024.23.11","DOIUrl":"https://doi.org/10.37394/23202.2024.23.11","url":null,"abstract":"We study a single server queueing system that receives singly arriving customers according to a Poisson process. The server offers one of the two types of heterogeneous services. Before the beginning of a service, , the customer can choose an exponential service with probability p1 or a deterministic service with probability p2, where p1+p2=1 Immediately after a service is completed, the server has a choice of taking a vacation with probability δ, or, with probability 1-δ, the server may continue staying in the system. We further assume that if the server opts to take a vacation, then with probability α1, he may take a vacation of an exponential duration with mean vacation time 1/u (u>0) or with probability he may want to take a deterministic vacation with constant duration d>0, where α1+α2=1. After a vacation is complete, the server instantly starts providing service if there is at least one customer in the system or the server remains idle in the system till a new customer arrives for service. We find a steady state solution in terms of the generating function of the queue length as well as the steady state probabilities for all different states of the system.","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"567 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139834046","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
Vibrating Micro-Capsule as an Autonomous Device for in-situ Endoscopic Scan and Body Tissue Characterization 用于原位内窥镜扫描和人体组织特征描述的振动微囊自主设备
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-02-12 DOI: 10.37394/23202.2024.23.10
Wehbe H., Rabih A., Lefebvre F., Nassar G.
{"title":"Vibrating Micro-Capsule as an Autonomous Device for in-situ Endoscopic Scan and Body Tissue Characterization","authors":"Wehbe H., Rabih A., Lefebvre F., Nassar G.","doi":"10.37394/23202.2024.23.10","DOIUrl":"https://doi.org/10.37394/23202.2024.23.10","url":null,"abstract":"This work concerns the implementation of a diagnostic technique for the digestive system using a device designed based on a spherical vibrating capsule of 1 cm in diameter and autonomous by its onboard electronics. For local scanning, this device is also equipped with a network of high-frequency optimized sensors. Depending on the desired diagnosis, this device can adapt its electromechanical characteristics to the nature of the application in transmission and/or simultaneous reception. It is also designed for network configuration to provide a 3D mapping of the acoustic properties of the environment under investigation (biological tissues).","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"124 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139784964","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
Vibrating Micro-Capsule as an Autonomous Device for in-situ Endoscopic Scan and Body Tissue Characterization 用于原位内窥镜扫描和人体组织特征描述的振动微囊自主设备
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-02-12 DOI: 10.37394/23202.2024.23.10
Wehbe H., Rabih A., Lefebvre F., Nassar G.
{"title":"Vibrating Micro-Capsule as an Autonomous Device for in-situ Endoscopic Scan and Body Tissue Characterization","authors":"Wehbe H., Rabih A., Lefebvre F., Nassar G.","doi":"10.37394/23202.2024.23.10","DOIUrl":"https://doi.org/10.37394/23202.2024.23.10","url":null,"abstract":"This work concerns the implementation of a diagnostic technique for the digestive system using a device designed based on a spherical vibrating capsule of 1 cm in diameter and autonomous by its onboard electronics. For local scanning, this device is also equipped with a network of high-frequency optimized sensors. Depending on the desired diagnosis, this device can adapt its electromechanical characteristics to the nature of the application in transmission and/or simultaneous reception. It is also designed for network configuration to provide a 3D mapping of the acoustic properties of the environment under investigation (biological tissues).","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"52 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139845062","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
Local Structure of Atactic Polystyrene Investigated by Molecular Dynamics Method 用分子动力学方法研究非活性聚苯乙烯的局部结构
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-02-02 DOI: 10.37394/23202.2024.23.9
A. Komolkin, S. Polushin, Vyacheslav B. Rogozhin, A. A. Lezova, G. E. Polushina, I. Silanteva
{"title":"Local Structure of Atactic Polystyrene Investigated by Molecular Dynamics Method","authors":"A. Komolkin, S. Polushin, Vyacheslav B. Rogozhin, A. A. Lezova, G. E. Polushina, I. Silanteva","doi":"10.37394/23202.2024.23.9","DOIUrl":"https://doi.org/10.37394/23202.2024.23.9","url":null,"abstract":"Molecular dynamics computer simulation of three substances ethylbenzene (EB), pentastyrene (PS-5), and polystyrene-25 (PS-25) was performed to investigate the local order of the phenyl rings in monomers and side-chain polymers. Monomer molecules (EB) tend to be in T-configuration, which corresponds to isotropic local structure. Phenyl rings in chained molecules PS-5 and PS-25 partly cooperate in both parallel-displaced and “sandwich” configuration with π–π stacking. These configurations are locally anisotropic and lead to the increasing of Kerr constant K. Analysis of the local structure was performed by calculating the cylindrical distribution function.","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"17 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139808946","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
Local Structure of Atactic Polystyrene Investigated by Molecular Dynamics Method 用分子动力学方法研究非活性聚苯乙烯的局部结构
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-02-02 DOI: 10.37394/23202.2024.23.9
A. Komolkin, S. Polushin, Vyacheslav B. Rogozhin, A. A. Lezova, G. E. Polushina, I. Silanteva
{"title":"Local Structure of Atactic Polystyrene Investigated by Molecular Dynamics Method","authors":"A. Komolkin, S. Polushin, Vyacheslav B. Rogozhin, A. A. Lezova, G. E. Polushina, I. Silanteva","doi":"10.37394/23202.2024.23.9","DOIUrl":"https://doi.org/10.37394/23202.2024.23.9","url":null,"abstract":"Molecular dynamics computer simulation of three substances ethylbenzene (EB), pentastyrene (PS-5), and polystyrene-25 (PS-25) was performed to investigate the local order of the phenyl rings in monomers and side-chain polymers. Monomer molecules (EB) tend to be in T-configuration, which corresponds to isotropic local structure. Phenyl rings in chained molecules PS-5 and PS-25 partly cooperate in both parallel-displaced and “sandwich” configuration with π–π stacking. These configurations are locally anisotropic and lead to the increasing of Kerr constant K. Analysis of the local structure was performed by calculating the cylindrical distribution function.","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"45 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139868433","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
Control of Autonomous Aerial Vehicles to Transport a Medical Supplies 控制自主飞行器运输医疗用品
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-01-18 DOI: 10.37394/23202.2024.23.8
Ricardo Yauri, Santiago Fernandez, Anyela Aquino
{"title":"Control of Autonomous Aerial Vehicles to Transport a Medical Supplies","authors":"Ricardo Yauri, Santiago Fernandez, Anyela Aquino","doi":"10.37394/23202.2024.23.8","DOIUrl":"https://doi.org/10.37394/23202.2024.23.8","url":null,"abstract":"Public health surveillance must guarantee the safety of people by limiting human mobility, in cases of isolation, through product deliveries, making it necessary to use drones to guarantee safety because they play a crucial role in several sectors. The literature review highlights the benefits of automation in-home delivery using drones, focusing on time efficiency and competitiveness in various sectors, and provides crucial design parameters to ensure its implementation in urban areas using different control techniques. A contribution was proposed to a solution that aims to realize the honeycomb design, which drones create during flight, controlled by a flight and delivery algorithm in a simulation environment applying an iterative methodology and continuous transport tests. medical burden. The results indicate a qualitative advance in the successful creation of simulated terrain, although the lack of numerical data on takeoffs and landings suggests the need for additional quantitative measurements. The current results support the efficiency of drones in route planning, precise management of medical cargo, and reduction of delivery time is numerical evidence that reinforces the robustness of the solution. In conclusion, this study developed a functional prototype to control drones with a flight planning algorithm and a swarm formation system for the transport of medical supplies in urban environments, although the need for future research to implement artificial intelligence technologies is noted. that improve transportation efficiency.","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"109 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139615493","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
Mathematical and Computer Modeling of a Dynamic System for Effectively Combating Disinformation 有效打击虚假信息的动态系统的数学和计算机建模
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-01-17 DOI: 10.37394/23202.2024.23.7
Nugzar Kereselidze
{"title":"Mathematical and Computer Modeling of a Dynamic System for Effectively Combating Disinformation","authors":"Nugzar Kereselidze","doi":"10.37394/23202.2024.23.7","DOIUrl":"https://doi.org/10.37394/23202.2024.23.7","url":null,"abstract":"The work investigated a mathematical and computer model of a dynamic system for effectively combating disinformation. In the compartmental model of false information dissemination in society, there are groups of citizens: - At risk, prone to the perception of misinformation; Adepts - those who accepted false information and with Immunity - those who rejected false information from the very beginning or future adepts. A barrier level for the number of adherents will be introduced as a measure of the information security of society. As a result of a computer experiment, the possibility of an uncontrolled growth in the number of adherents was identified, threatening the safety of society as a whole.","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":" 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139616935","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
Systematic Literature Review on Tourism Village in Indonesia 关于印度尼西亚旅游村的系统文献综述
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-01-08 DOI: 10.37394/23202.2024.23.6
Akhmad Yunani, Yuhana Astuti, Tarandhika Tantra, Eva Nurhazizah, Mahir Pradana, M. E. Saputri, Mokhtarrudin Ahmad, Aznul Fazrin Bin Abu Sujak
{"title":"Systematic Literature Review on Tourism Village in Indonesia","authors":"Akhmad Yunani, Yuhana Astuti, Tarandhika Tantra, Eva Nurhazizah, Mahir Pradana, M. E. Saputri, Mokhtarrudin Ahmad, Aznul Fazrin Bin Abu Sujak","doi":"10.37394/23202.2024.23.6","DOIUrl":"https://doi.org/10.37394/23202.2024.23.6","url":null,"abstract":"Tourism villages, also known as \"Desa Wisata\" in Indonesia, are emerging as a form of tourism development that promotes local culture and heritage. These villages offer visitors a complete rural experience and contribute to the economic growth of rural areas. However, challenges such as low wages and unfavorable working conditions exist. This research assesses the readiness of local communities for tourism village development and evaluates its effectiveness. By applying bibliometric analysis, the study explores the trends and clusters in tourism village research. The findings provide insights for stakeholders to promote national development and address regional disparities in Indonesia.","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"59 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139458472","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
Survey: Rainfall Prediction Precipitation, Review of Statistical Methods 调查：降雨预测降水量，统计方法回顾
WSEAS TRANSACTIONS ON SYSTEMS Pub Date : 2024-01-08 DOI: 10.37394/23202.2024.23.5
Sarah Benziane
{"title":"Survey: Rainfall Prediction Precipitation, Review of Statistical Methods","authors":"Sarah Benziane","doi":"10.37394/23202.2024.23.5","DOIUrl":"https://doi.org/10.37394/23202.2024.23.5","url":null,"abstract":"Rainfall precipitation prediction is the process of using various models and data sources to predict the amount and timing of precipitation, such as rain or snow, in a particular location. This is an important process because it can help us prepare for severe weather events, such as floods, droughts, and hurricanes, as well as plan our daily activities. Processing rainfall data typically involves several steps, which may vary depending on the specific data set and research question. Here is a general overview of the steps involved: (1) Collecting data: Rainfall data can be collected using various methods, including rain gauges, radar, and satellite imagery. The data can be obtained from public sources, such as government agencies or research institutions. (2) Quality control: Before using the data, it's important to check for errors or inconsistencies. This may involve identifying missing or incomplete data, outliers, or inconsistencies in measurement units. Quality control can be performed manually or using automated software. (3) Pre-processing: Once the data has been quality controlled, it may need to be pre-processed for analysis. This may involve aggregating the data to a specific temporal or spatial resolution, such as daily, monthly, or annual averages, or converting the data to a specific format. (4) Analysis: The processed data can be used for various types of analysis, such as trend analysis, frequency analysis, or spatial analysis. These analyses can help to identify patterns, changes, or relationships in the data. (5) Visualization: Finally, the results of the analysis can be visualized using graphs, maps, or other types of visualizations to help communicate the findings. Overall, processing rainfall data requires careful attention to detail and a clear understanding of the research question and data sources.","PeriodicalId":516312,"journal":{"name":"WSEAS TRANSACTIONS ON SYSTEMS","volume":"63 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535730","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
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