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S. Heijmans, R. Postoyan, D. Nešić, W. Heemels

Most emulation-based results in networked control systems rely on a bound on the maximal allowable transmission interval (MATI) under which stability is preserved. However, having only such a MATI condition can lead to conservative results, as large values of transmission intervals may only occur sporadically, while the typical transmission interval is much smaller. In this paper, we therefore propose, in addition to the existence of a MATI, to also impose a bound on the average allowable transmission interval, expressed in terms of a reverse average dwell-time (RADT) condition on the transmission intervals. We provide joint conditions on the RADT and the MATI such that stability of the NCS can still be guaranteed, which can, in addition, lead to significant higher values of the MATI itself. The strengths of these new results are illustrated on a numerical example, showing a 484% improvement of the MATI, while still guaranteeing stability.

geopolitical the definitions. The concept of the book consists of seven chapters: Introduction , Model and Theory , Several Geopolitical Approaches in the Recent Past , Classical Geopolitical Assumptions , Classical Geopolitical Theories, Applications of the Model, Setting the Course for a Rejuvenated Geopolitics , and Annex: Classical Geopolitical Concepts / Theories , Notes and Index . Following an overview of the development of geopolitics, the book introduces us to the history of geopolitics, but also its directions and scholars along two lines. The first line would be an organic, reflected by German concern about scientific laws, which contributed to the survival of states in an increasingly volatile world, with his two scholars Friedrich Ratzel and Rudolf Kjellén. Another would be the geostrategic British and North American interest, through the depicted geographical position of states and regions as a condition of foreign action with Alfred Thayer Mahan, Halford Mackinder, and Nicholas Spykman as their standard bearers. After World War II, these classical directions were exposed to great influence by the alleged connection with General Karl Haushofer and his geopolitical school in Munich as well as the aggression of Adolf Hitler, both directions in promoting war and racism. The book is structured to follow three main goals: first, purpose; constructed classical geopolitical model, second, objective; by its construction it outlines the usefulness and legitimacy of classical geopolitics as an important model of international relations, third, access; listed three ways that will show the benefit of classical geopolitics. Phil Kelly separates the model from theory and its application. Theory and the model are different, first, the theory is part of the second, the model. It lists sixty theories in our geopolitical model. These theories can be used to interpret actions and policies in the field of international relations

Abstract Power systems around the world have undergone a number of important organizational, structural and technological changes over the past few decades; they are a direct consequence of the electricity market liberalization and transition from conventional energy conversion technologies towards renewable resources. These changes represent many advantages as well as challenges for the Distribution System Operator (DSO). The aim of this paper is to review the most important principles, objectives and technical criteria used in planning the development of the electricity distribution network. Presented principles can be used as basic guidelines when developing short-term and long-term plans for the construction and reconstruction of power distribution facilities. This paper also presents a methodological approach to the planning and ranking of proposed electricity facilities with an example from practice that is based on the real planning problem in ED Mostar. The basic conclusion of the paper is that the identification of objectives, criteria and the application of an appropriate and unique methodology is of the utmost importance for formulating the framework of the planning process.

Jamal El Hachem, Ali Sedaghatbaf, Elena Lisova, Aida Čaušević

System of Systems (SoS) represent a set of independent Constituent Systems (CS) that collaborate in order to provide functionalities that they are unable to achieve independently. We consider SoS as a set of connected services that needs to be adequately protected. The integration of these independent, evolutionary and distributed systems, intensifies SoS complexity and emphasizes the behavior uncertainty, which makes an SoS security analysis a critical challenge. One of the major priorities when designing SoS, is to analyze the unknown dependencies among CS services and vulnerabilities leading to potential cyberattacks. The aim of this work is to investigate how Software Engineering approaches could be leveraged to analyze the cyberattack propagation problem within an SoS. Such analysis is essential for an efficient SoS risk assessment performed early at the SoS design phase and required to protect the SoS from possibly high impact attacks affecting its safety and security. In order to achieve our objective, we present a model-driven analysis approach, based on Bayesian Networks, a sensitivity analysis and Common Vulnerability Scoring System (CVSS) with aim to discover potential cyberattacks propagation and estimate the probability of a security failure and its impact on SoS services. We illustrate this approach in an autonomous quarry example.

R. Walker, A. Mundl‐Petermeier, R. Fischer, V. Lekić, M. Jackson, M. Kurz, M. Horan

T. Hurford, W. Henning, R. Maguire, V. Lekić, N. Schmerr, M. Panning, V. Bray, M. Manga et al.

M. Kafadar, Z. Avdagić, L. Fazlic

There are many challenges in accurately measuring cigarette tar constituents. These include the need for standardized smoke generationmethodsrelatedtounstablemixtures.Inthisresearchweredevelopedalgorithmsusingfusionofartificialintelligencemethodstopredicttarconcentration.Outputsofdevelopmentarethreefuzzystructuresoptimizedwithgeneticalgorithmsresultingingeneticalgorithm(GA)-FUZZY,GA-adaptiveneurofuzzyinferencesystem(ANFIS),GA-GA-FUZZYalgorithms.Proposedalgorithmsareusedforthetarpredictioninthecigaretteproductionprocess.Theresultsofpredictionarecomparedwithgaschromatograph(high-performanceliquidchromatography(HPLC))readings.

Ab s t r Ac t Introduction: Preeclampsia is the cause of increased morbidity in mothers, and mortality and morbidity of both mothers and fetuses and newborns. The pathological process is already complete when the symptoms occur, and nothing concrete can be done to stop the process. Early identification of women at risk of developing preeclampsia is a key goal of antenatal care. Alongside chemical tests, Doppler sonography of the uterine arteries plays a major role in the prediction of preeclampsia. Aims: To establish the probability of resistance to blood flow in the uterine arteries and the existence of notching in the control and test groups. Materials and methods: The study comprised 60 subjects in the second trimester of pregnancy who were going for check-ups during their pregnancy or had been hospitalized at the Maternity Clinic of Sarajevo UCC. All the subjects were divided into two groups, a control and a test group, in relation to the presence of pathological blood flow in the uterine arteries. As well as ultrasound results, the patients also provided an exhaustive history about their previous pregnancies, if any, and any relevant laboratory results. Results: A statistically significant difference was found in the average values of systolic and diastolic pressure during pregnancy between the control and the test group (p = 0.001). From an analysis of the resistance to blood flow in the uterine arteries in the control and test groups, we concluded that the flow on the side with the placenta and on the side without the placenta were physiological over five measurements in the control group of subjects. In the test group the largest number of cases of pathological flow were recorded, and there was also notching. Of the 21 subjects with a diagnosis of preeclampsia, there was notching in 10. Conclusion: Doppler sonography in the second trimester of pregnancy is a good prognostic marker for early discovery of preeclampsia.

Edin Medjedović, Alma Suljević, A. Iglica, A. Rama, E. Mahmutbegović, Amela Muftić, Ema Dzihic

Introduction: Preeclampsia is defined as hypertension (systolic pressure ≥140 mmHg or diastolic pressure ≥90 mmHg) after week 20 of gestation with one or more of the following symptoms: proteinuria, organ dysfunction (including renal, hepatologic, hematologic or neurological complications) and in case of stagnation of fetal development. So far, there are no valid clinical tools or tests that can tell with sufficient sensitivity and specificity in early pregnancy which pregnant woman will develop preeclampsia or have unwanted outcomes. Aim: To present the properties of biochemical parameter, uric acid, in patients with signs of preclampsia, which was confirmed by Doppler sonography. Methods: The study included 60 female subjects in the second trimester of pregnancy who were examined or were hospitalized at the Clinic of Gynecology and Obstetrics, Clinical Center University of Sarajevo. Pregnant women who had normal Doppler sonography scan of the uterine arteries in the second trimester of pregnancy were included in the control group, while pregnant women with pathologic Doppler sonographic findings in the second trimester of pregnancy were included in the group of pregnant women at risk of preeclampsia, i.e. the study group. Results: There is statistically significant difference between the average value of uric acid in the control and in the study group (213.36 ± 28.96 μmol / L vs 249.73 ± 47.06 μmol / L) (F = 12.991; p = 0.001). Applying the Wilcoxon non-parametric paired test to the average uric acid values during all measurements within the control group, no statistically significant difference was found. There was a statistically significant increase in the study group between all measurements, from 18.04 μmol / L between the first and second measurement (Z = -1.955; p = 0.043), 29.10 μmol / L between the second and third measurement (Z = -2.973; p = 0.003), 37.27 μmol / L between the third and fourth measurement (Z = -4.325; p = 0.001) and 109.87 μmol / L at the end of the study in comparison to values from the start of the study (Z = -4.309; p = 0.001). Conclusion: Uric acid values should become part of a broad biochemical range in screening and optimizing the treatment of patients diagnosed with early preeclampsia.

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