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On the occasion of the monograph publication: "50 years of quality at the Faculty of Organizational Sciences, University of Belgrade" 在专著出版之际:“贝尔格莱德大学组织科学学院50年的质量”
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2305614z
Nedeljko Živković
{"title":"On the occasion of the monograph publication: \"50 years of quality at the Faculty of Organizational Sciences, University of Belgrade\"","authors":"Nedeljko Živković","doi":"10.5937/tehnika2305614z","DOIUrl":"https://doi.org/10.5937/tehnika2305614z","url":null,"abstract":"Fifty years in the development of the scientific field of quality at the Faculty of Organizational Sciences, University of Belgrade, in relation to the period of orgin of this field in the world, at the beginning of the last century, can be considered significant from the aspect of events and data that perhaps should have been recorded and systematized much earlier. Consistently remembering, transmitting and recording information about the most significant events will provide, for future generations, a \"story\" about the years of origin and development of the field of quality at this faculty. Aware of the possible loss of certain details related to certain events, and possibly their participants, a decision was made in support of writing a monograph, and the part related to development is published here with the aim of informing the wider scientific and professional public.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135611247","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
The Quality 5.0 model in the function of production personalization and user satisfaction 质量5.0模型在产品个性化和用户满意度方面的作用
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2301097t
Dijana Tadić-Stanić
{"title":"The Quality 5.0 model in the function of production personalization and user satisfaction","authors":"Dijana Tadić-Stanić","doi":"10.5937/tehnika2301097t","DOIUrl":"https://doi.org/10.5937/tehnika2301097t","url":null,"abstract":"Every industrial revolution represents a sudden burst, which sets off an avalanche of changes and novelties. The Fourth and Fifth revolutions were marked by the development and use of innovative technology, which permanently changed the way business systems function. Within Industry 4.0, the positive impact of technology on quality performance was discovered, and Industry 5.0 focused that impact on creating personalized products and increasing customer satisfaction. The importance of this work is reflected in the conceptual model of Quality 5.0, which theoretically and illustrated presents the most important features in the service of satisfaction of interested parties.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71132591","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
Agile project management and investment projects: Dilemmas and challenges 敏捷项目管理和投资项目:困境和挑战
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2302222r
Radoslav M. Rakovic
{"title":"Agile project management and investment projects: Dilemmas and challenges","authors":"Radoslav M. Rakovic","doi":"10.5937/tehnika2302222r","DOIUrl":"https://doi.org/10.5937/tehnika2302222r","url":null,"abstract":"New technologies and changeable environment more and more lead to evolution from traditional to agile project management. This approach was applied a quarter century ago to software development projects, but now it has been spread to all other projects. In this paper, basic characteristics of Agile approach as well as possibilities of its application in specific type of projects, investment ones are considered..","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71133157","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
Analyzing a Python programming example of building an artificial intelligence machine learning model for detecting cyber-attacks: Benefits and challenges 分析构建用于检测网络攻击的人工智能机器学习模型的Python编程示例:好处和挑战
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2302187r
Mladen Radaković, Marina Marjanovic
{"title":"Analyzing a Python programming example of building an artificial intelligence machine learning model for detecting cyber-attacks: Benefits and challenges","authors":"Mladen Radaković, Marina Marjanovic","doi":"10.5937/tehnika2302187r","DOIUrl":"https://doi.org/10.5937/tehnika2302187r","url":null,"abstract":"Artificial intelligence systems offer a wide range of real-world applications that are already being used in many different fields. They can be found in computer systems, web browsers, smart home appliances, navigation and vehicle management, shape, and sound identification, in the medical, economic, agricultural fields… The effectiveness of their application, the outcomes, and the time required to create such models vary, and trends point their designers toward techniques that allow the construction of quicker and more accurate solutions. Through the examination of one example of the development of an artificial intelligence model using the Python programming language, this study attempts to demonstrate the advantages and difficulties of its implementation. The possibilities and method of creating a functional model of artificial intelligence are demonstrated through the presentation of its design and code examples for a realistic set of data. Used dataset contains information needed for analysis and detection of computer network cyber-attacks.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"70 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71133326","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
Monitoring the amount of formed solid phase in aluminum alloy under free cooling conditions 自由冷却条件下铝合金固相形成量的监测
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2302138m
A. Mitrašinović, Jasmina Nešković, Ognjen Ristić, N. Labus, M. Radosavljević, Z. Odanović
{"title":"Monitoring the amount of formed solid phase in aluminum alloy under free cooling conditions","authors":"A. Mitrašinović, Jasmina Nešković, Ognjen Ristić, N. Labus, M. Radosavljević, Z. Odanović","doi":"10.5937/tehnika2302138m","DOIUrl":"https://doi.org/10.5937/tehnika2302138m","url":null,"abstract":"One of the most effective ways for the future design, production, analysis and optimization of new processes, involving phase change of materials, is the development of highly sensitive quantitative methods based on the detection of temperature changes during the solidification process and the correlation of these changes with changes in the treated material. In this work, the secondary Al-8wt%Si3wt%Cu alloy was formed from the liquid state under free cooling conditions. Characteristic transformation temperatures were identified and a method for monitoring the amount of solid phase during the solidification process was formalized. From the recorded cooling curve, the values of the first derivative were determined and the corresponding reference curve was formed. The area between the first derivative of the cooling curve and the reference curve was used to assess the amount of solidified part of the material during the solidification process. The obtained results showed that the proposed method is effective in obtaining data of the fraction solid at every moment of the solidifcation process, as well as that it can be further used to detect the number of phases and microconstituents in the formed structure, as well as an experimental examination of the latent heat of solidification of new materials. The method of monitoring the amount of solid phase, formed under free cooling conditions, does not require specific preparation of samples or complex laboratory equipment, and accordingly, in practical application it effectively replaces standard methods for detecting thermophysical properties of materials, such as differential thermal analysis or differential scanning calorimetry.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71133384","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
Aviation accidents, serious incidents, and incidents cause analysis in Bosnia and Herzegovina using the K-means method 用K-means方法分析波黑航空事故、严重事故和事故原因
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2303338k
Rade Kačar, N. Bojovic, D. Macura, Petar Mirosavljević
{"title":"Aviation accidents, serious incidents, and incidents cause analysis in Bosnia and Herzegovina using the K-means method","authors":"Rade Kačar, N. Bojovic, D. Macura, Petar Mirosavljević","doi":"10.5937/tehnika2303338k","DOIUrl":"https://doi.org/10.5937/tehnika2303338k","url":null,"abstract":"Air traffic and transport is the safest mode of transport. Despite this, a significant number of aviation accidents and incidents occur annually in the world. Safety management and risk management have always been extremely important factors in civil aviation. Safety improvement is possible through constant and systematic work on the detection and control of hazards, as well as the detection of the causes of accidents and incidents and activities to eliminate or mitigate the consequences of accidents and accidents. This paper aims to present the application of the K-means method in determining the causes of accidents and incidents and is based on data published by the BHDCA (Directorate for Civil Aviation of Bosnia and Herzegovina).","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71133581","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
Parking systems within the concept of smart mobility: Review and evaluation 智能移动概念中的停车系统:回顾和评估
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2304464d
Ana Đorđević, Tanja Živojinović, Snezana Kaplanovic
{"title":"Parking systems within the concept of smart mobility: Review and evaluation","authors":"Ana Đorđević, Tanja Živojinović, Snezana Kaplanovic","doi":"10.5937/tehnika2304464d","DOIUrl":"https://doi.org/10.5937/tehnika2304464d","url":null,"abstract":"The accelerated growth of cities and the development of information and communication technologies (ICT) have led to the emergence of the concept of smart mobility. Smart mobility enables efficient, flexible and environmentally friendly travel by various modes of transport using smart transport systems, smart infrastructure and smart technologies. One of the possible solutions for establishing smart mobility is the implementation of smart parking systems. The large number of vehicles in urban urban areas makes finding a parking space a difficult task, which further affects traffic congestion and environmental pollution. To overcome this challenge, it is necessary to establish an efficient and advanced parking system that allows drivers to find and reserve a suitable parking space, dynamically plan a route and guide and/or park without human intervention. In this regard, the paper provides an overview and analysis of smart parking systems with a special focus on the advantages and disadvantages of each individual type. In addition, using a multi-criteria method known as the Analytical Hierarchical Process (AHP), the paper provides an evaluation of smart parking systems based on the key performance.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71134389","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
The latest geological study of the underlying productive layer of the "Garajevac Istok" deposit in Novi Bečej 新别<e:1>省“Garajevac Istok”矿床下伏生产层的最新地质研究
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2305551p
Svetlana Polavder, Sanja Grujičić, Branka Jovanović
{"title":"The latest geological study of the underlying productive layer of the \"Garajevac Istok\" deposit in Novi Bečej","authors":"Svetlana Polavder, Sanja Grujičić, Branka Jovanović","doi":"10.5937/tehnika2305551p","DOIUrl":"https://doi.org/10.5937/tehnika2305551p","url":null,"abstract":"In this paper, the latest geological study of the \"Garajevac Istok\" brick clay deposit near Novi Bečej is presented. The clay of the overlying productive layer of this deposit has been exploited by Polet from Novi Bečej since 2008 as raw material for the production of roof tiles. This study is focused on the underlying productive layer of soil, which has not yet been exploited due to the abundance of water in the working environment. Detailed studies by depth of the second silt-clay complex planned for exploitation were carried out. The obtained results confirm that the quality of the raw mineral materials meets the standards for tile production. This paper summarizes the results of the studies.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135612088","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
The importance of biomedical engineers in the health system 生物医学工程师在卫生系统中的重要性
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2303363d
D. Drašković-Radojković
{"title":"The importance of biomedical engineers in the health system","authors":"D. Drašković-Radojković","doi":"10.5937/tehnika2303363d","DOIUrl":"https://doi.org/10.5937/tehnika2303363d","url":null,"abstract":"We are witnessing an epidemiological increase in the development of chronic diseases. In particular, this growth trend refers to malignant, autoimmune and metabolic diseases. Despite the sovereignty of medicine in the treatment of acute conditions, there is a significant problem with the diagnosis, prevention and treatment of chronic diseases. Autoimmune diseases occur when the immune system loses its immune memory and begins to recognize the cells of its own organism as foreign and to attack and destroy them. There can be an attack of only one organ or several organs, that is, the emergence of systemic autoimmune diseases. The most common autoimmune diseases are T1D, RA, Psoriasis, MS, SLE, Irritable colon, Mb Addison, Graves, Hachimoto, Sjogren's, Myasthenia gravis, Autoimmune vasculitis and Celiac disease. Symptoms such as fatigue, weakness, reddening of the skin, itching of the skin, loss of concentration, low-grade fever, tingling of the hands and feet, hair loss are general symptoms, which should make us suspect that there may be an underlying autoimmune condition, and there are also specific complaints related to for failure of the function of a certain organ, which make it easier for us to diagnose. Precisely from the fact that the current medicine provides drugs that only suppres the immune system and do not treat the causes of the occurrence of these conditions, knowledge about the regenerative capacity of the organism is necessary, in order to succeed in regenerating the diseased organ by influencing the factors that cause this condition.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71133757","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
Innovation through thinking in technology 技术思维创新
Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2303375d
Milica Đekić
{"title":"Innovation through thinking in technology","authors":"Milica Đekić","doi":"10.5937/tehnika2303375d","DOIUrl":"https://doi.org/10.5937/tehnika2303375d","url":null,"abstract":"Have you ever wondered how it would appear to travel on a ray of light? Albert Einstein had done that and he had gone beyond the frontiers of his time's mathematics and physics. His passionate curiosity had challenged him to make some discoveries during his lifetime and career. Today those achievements could get recognized as innovations as the criteria in science and technology have become much higher, so far. The modern information-communications technologies (ICT) have offered us an opportunity to reach anyone in this world so promptly and find the answer to any question so effectively. The first step in any technological innovation could be a thinking process and in so many cases such a model could involve some supporting phases. In theory, the innovation would mean an improvement to the current solution or at least a better, simpler and more effective response to the ongoing situation in a certain field of interest. On the other hand, the condition in the practice is much more complicated and it's quite uneasy to cope with all natural phenomena challenges. Maybe something would work flawlessly in our minds, but when we put that problem on the ground - we would realize that the things are not that simple at all.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71133859","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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