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Volume 3 Issue 9 (September 2016)

S.No. Title & Authors Page No View
1

Title : Wireless Video Caching in Heterogeneous Networks: A Stackelberg Game Approach

Authors : Mutangana Eugene

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Abstract :

This paper, considers a marketed small-cell caching system comprising of a Network Service Provider (NSP), a number of Video Retailers (VR), and Mobile Users (MU). The NSP rents its SBSs to the VRs intending benefits. Stackelberg game framework is used for addressing the SBSs as a particular type of resources. The MUs and SBSs as autonomous Poisson Point Processes (PPP) are used to develop the probability of the particular event that an MU receives video of its alternative straight from the memory of an SBS through stochastic geometry theory. Furthermore, a Stackelberg game is developed to maximize the average benefit of the NSP and the VRs. We look into the Stackelberg game balance by solving a non-convex optimization job. Therefore, based on game theoretic framework, we split light on the four important factors with respect to their relationship: Optimal pricing of renting an SBS,  SBSs allocation among the VRs, Caching size of the SBSs, and  the quality dispersion of the VRs. Monte-Carlo simulation show that our stochastic geometry-based analytical results, nearly match the empirical results. Mathematical results are also plied for measuring the intended game-theoretic framework through demonstrating its efficiency on pricing and resource assignation.

1-8
2

Title : An Advanced GPS Carrier Tracking Loop Based on Neural Networks Algorithm

Authors : Jichun Shen, Shuai Chen, Changhui Jiang, Yuming Bo

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Abstract :

The GPS (Global Positioning Systems) is the main tool to provide the PVT (position, velocity and time) service in our daily life. However, there are some drawbacks needed to be overcome for the wider applications of GPS. It is hard for a popular GPS receiver to position in a high dynamic/weak signal environment without outer aiding. On the basis of analyzing the reason and the error sources of the tracking loop, a neural networks algorithm is used to adjust the parameters of the fusion of the 2rd FLL and 3rd PLL. A judge factor is selected to present the phase errors of the carrier loop. A nonlinear function between a judge factor and fusion parameters is constructed by the neural network algorithm. The method essentially changes the bandwidth of the tracking loop by changing the loop gain, which is usually ignored. The algorithm is implemented and tested in a Matlab software receiver. The experiments show the modified tracking carrier loop can work well in higher dynamic environments compared with standard carrier tracking loop.

9-13
3

Title : Exploring linkages between weather factors and the risk of cerebral infarction through the application of Bayesian networks

Authors : Hiroshi Morimoto

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A number of studies, mainly applying regression models, have investigated the correlation between meteorological factors and the incidence of cerebral infarction. One assumed subjectively the roles of the variables of the onset of cerebral infarction and the variables of the change in weather, and tried to find correlation. However, correlation can not induce causality. An exploratory method such as the Bayesian network approach, which is based on exhaustive searches, is thus required to determine causality. This approach considers all the possible causal associations and determines the most probable causality by estimating network scores. This study was based on the daily data on the number of patients transported by ambulance in the city of Nagoya in Japan. The patients were first transported to hospitals by ambulance prior to being diagnosed with cerebral infarction.  The use of heuristic search techniques enabled us to determine a causal relation between the weather and the incidence of cerebral infarction, including the influence of weather states such as high pressure or low pressure types considered as one of the nodes of the network. At the same time, we observed the influence of delayed effects of cold exposure on the onset of cerebral infarction. As an application of these findings, we showed the existence of the threshold for the mean temperature that divided risky temperature and safe temperature. These results provided clear evidence of the links between human physiological responses and changes in weather, and suggest the possibility of predicting cerebral infarctions.

14-17
4

Title : Health and Dietary Supplements

Authors : Lambrini Kourkouta, Christos Iliadis, Ekaterina Frantzana, Alexandros Monios, Alexandra Dimitriadou, Ioanna V. Papathanassiou

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Introduction: Nutritional supplements provide nutrients, which may not ingest in sufficient quantities. Dietary supplements may be vitamins, minerals, amino acids, fatty acids or other substances, and are present in the form of pills, tablets, capsules and liquids. Purpose: The purpose of this review is to present the correlation of nutritional supplements to the human body through food, in order to protect and promote health. Review Methods: The methodology of this study included search of review studies and research in leading databases such as PUBMED, MEDLINE and IATROTEK. The criterion for the selection of the articles was the Greek and English language, with keywords: nutrition, food supplements, health. Results: It is true that today our diet is much richer than before. On the other hand, the abundance of processed food and ignorance of the basic principles of nutrition have led much of the population to an unbalanced diet. Thus, the phenomenon of a very rich food in calories and fat and poor in proteins, vitamins and minerals. So sometimes recommend the consumption of food supplements to meet these human needs. Nutritional supplements help in improving performance, physical appearance, to avoid making dangerous drugs and meet the increased needs of the organization or deficiencies in nutrients caused by and which cannot be met by normal diet. Conclusions: Consumption of food supplements should be done in moderation because their excess consumption can cause various side effects in the person's body.

18-20
5

Title : Physical properties as indication for chemical composition of petroleum fraction of Hassira and Khurmala crude oil

Authors : Rawaz A. Ahmed, Abdulsalam R. Karim, Sadonya M. Jamel, Vian S. Hamma-Saeed, Bayan Q.S. Hussein

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Two types of crude oil from Hassira and Khurmala crude oil distilled into narrow fractions. The ranges of these narrow fractions are 10 C, starting from IBP to 350 °C.  Petroleum streams produced from distillation of crude oil such as gasoline, kerosene, diesel fuel, fuel oil, etc. are complex mixtures of large numbers of hydrocarbon components, such fractions are generally characterized in terms of small petroleum cuts, or pseudocomponents, which are identified primarily by their boiling point and specific gravity  due to their true boiling point curve (TBP), based on these two properties empirical correlations were derived to predict other components physical properties required for the process calculations. TBP distillation data and density of whole crude oil are used to perform the basic characterization and to obtain the product distribution of the crudes (using Aspen HYSHYS software).

21-26
6

Title : Employing Open Loop Control Model of DC-DC Buck Converter to Supply a Solenoid Coil

Authors : Munaf F. Badr

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In this paper an open loop controller model of switch mode DC-DC buck converter category supplied an inductive load is presented. The voltage-mode control scheme of the step down converter worked in continuous conduction mode was illustrated to convert the input voltage level to the specified output voltage level required to energize a specified load consists of solenoid coil with plunger. The mathematical model of the proposed system has been introduced and the simulation of the controller models have been done using MATLAB/SIMULINK software package to investigate the performance of the open loop control model feeding the solenoid coil. The simulation results show that the capability of applying such model to drive the load at the desired value regardless of unregulated input voltage source. The analysis of the simulation model is carried out and the stabilization of the controller structure is considered for gaining better results.

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7

Title : B - PConectedness in L - Bitopological spaces

Authors : FangLi Li, Hongkui Li, Tao Li

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This paper introduce open sets and closed sets into Bitopological spaces, and based on this we introduce some related definitions and theorems about closed set and open sets . Furthermore, we give a new concept about local-connectivity .Then, it point out  local-connectivity has two properties of topological invariance and finitely productive property and proves the other relevant theories.

30-32
8

Title : Effect of Sampling Rates Variation during Cylindricity Error Evaluation

Authors : Amira A. Khattab, Yasmine Abouelseoud, Mohammad A. Younes

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Cylindrical parts are critical elements in many engineering equipment. To perform correctly, their dimensions and cylindricity should be within specified tolerances. Cylindrical parts can be checked using several dedicated and general purpose measuring systems. Coordinate Measuring Machines (CMMs) can been used to probe and scan cylindrical surfaces to evaluate dimensions and form errors. For accurate evaluation of cylindricity error using a CMM, several parameters should be taken into consideration such as measurement strategy, sampling rate, and cylindricity evaluation technique. The large measurement points required need an efficient evaluation algorithm, and due to their advantages, the Minimum Zone Cylindricity evaluation technique (MZC) and Particle Swarm Optimization technique (PSO) are used in this work. The proposed algorithm was developed using Matlab software and applied for the evaluation of cylindricity error of test cylinders. This paper investigates the effect of the change in sampling rate on the value of estimated cylindricity error when using two different strategies, namely, circles and helical. A comparison between both strategies is presented. The effect of the number of scanned circles and helix turns on the estimated cylindricity error is also investigated.  The results showed that sampling rate has more significant effect on the value of estimated cylindricity error than the number of measurement circles or helix turns even for the same number of data points.

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9

Title : Approximation -free prescribed performance control for Nonlinear morphing missile System

Authors : Sabiti aime Emmanuel, Ruisheng sun.

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This paper deals with the design of a robust prescribed performance control (PPC) approach for nonlinear morphing missile systems with unknown dynamics and uncertainties. prescribed performance function (PPF) is integrated  into the control design, such that capable of guaranteeing, for any a priori known initial state condition, bounded signals in the closed loop, as well as prescribed performance for the output tracking error, We propose a systematic control design procedure, where the proportional-like controls are obtained by using the transformed tracking errors with PPF. Finally, extensive simulations are conducted based on linear and nonlinear morphing missile to validate the convergence performance and the robustness of the investigated control method.

40-45
10

Title : Gas Explosion Research With Large Spherical Vessel

Authors : Dr.(Ms.) Manju Mittal

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This paper presents explosion severity characteristics of a gas-air-nitrogen mixture measured with a large scale (3.66-m diameter) Spherical Steel Vessel established at CSIR-CBRI. The relatively large size of vessel makes it particularly suitable for ignition, flammability, and detonability studies with minimum wall effects and the data serve as reliable input for designing explosion safety measures and explosion risk assessment for industries. Investigations on explosion characteristics of various gases have been undertaken. Some results for methane-air-nitrogen mixtures are covered as representative explosion data. The explosion pressure and time to reach the same are given as a function of nitrogen dilution. The information can be used to design the explosion safety measures for installations handling this gas.

46-49
11

Title : A New Approach for Finding Correlation Dimension Based on Escape Time Algorithm

Authors : Dr.Arkan Jassim Mohammed, Noora Ahmed Mohammed

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There are many technique to approximate the dimension of fractal sets. A famous technique to approximate the fractal dimension is correlation dimension. In this paper, we propose a new approach to compute the correlation dimension of fractals generated by the Escape Time Algorithm (ETA) and computing the correlation function by Grassberger-Procaccia method, was implemented using the Matlab program. A log –log graph is plotted by matlab program, the result will be an approximate polynomial of degree one (straight line) that’s fits the data in a least square method. The correlation dimension of fractal object is the slope of this straight line.

50-57
12

Title : Endogenous Starter Bacteria Associated to Chanterelle mycelia Enhance Aroma, color and growth of mycelia

Authors : Neila Saidi, Shweta Deshaware, Ilef Ben Romdhane, Matab Nadim, Marwa Laaribi, Abdelkader Ltifi, Robert Kremer, Salem Shamekh

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Chanterelle (Cantharellus cibarius) mushroom can be cultured from its fruit body on agar medium. The present study showed that the growth rate of chanterelle mycelia in agar medium is slow whereas the pigment of the cultured mycelia was medium dependent. Different mycelia colors were detected in this study: from orange to pink and brown.This study also revealed bacterial growth near mycelia fragments, which appeared only at the initial phase of mycelia growth after which the mycelia continued to grow, blocking bacterial growth in the center of the agar plates. Therefore, we presumed that these bacteria were able to transfer the color to the chanterelle mycelia and may serve as fungal growth helper bacteria. The first step was to isolate these accompanying bacteria in pure culture and relate its phenotypical aspect to the mycelia aspect. The second step consisted of chemically treating the mycelia to suppress bacteria around and verify the mycelia’s ability to enhance or decrease color production. As a third step, the Chanterelle mycelia were treated separately with different chemical reagents [Sodium nitrate, Potassium phosphate monobasic, Ammonium nitrate, Citric acid, Acetic acid, Boric acid (0.05 g/ml), 1% NaOH, 1% KOH and 0.5%.HCl] followed by incubation in different agar plates. We demonstrated that some treatments killed all bacteria after which the mycelia lost its growth capacity. As a final step, agar plates showing no development of mycelia were inoculated with bacteria. After this inoculation, mycelia growth resumed and obtained the color of the inoculated bacteria. The results clearly showed that endogenous bacteria present in Chanterelle mycelia serve to initiate mycelial growth and impart color to the Chanterelle mycelia. The isolated bacteria produced aromas, lecithinase, amylase and laccase as well. However, these bacteria were unable to produce oxidase, catalase or protease.

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13

Title : South american way of building a grand prix car: Hector Suppici Sedes 1927 Lincoln race car

Authors : Rafael Duarte Oliveira Venancio, Marina Colli de Oliveira

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This article wants to review the historical and technical data surrounding the 1927 Lincoln driven by Uruguayan Hector Suppici Sedes in the first Grand Prix of Rio de Janeiro, which took place in 1933 at the famous circuit of Gávea. This car, probably the oldest still active in historical races, is a representative of adapted cars for racing, a trademark of the South American motorsports.

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14

Title : Personal Goal Realization Form of Topology Analysis

Authors : Luyao Wang, Hongkui Li, Tao Li

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At first, this paper puts forward to the proposal of personal goal-achievement topology. Based on this, a number of topological concepts are given systematically, such as the open set, neighborhood, the neighborhood, closed set, closures, and connectivity, including their properties. Then explain the role, mechanism and meaning of them in this topology and provide a scientific reference for better achieving personal goals.

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15

Title : Controller Energy management for hybrid renewable energy system

Authors : Mokhtar Said El-Negamy, Abeer Galal, G.M. El-Bayoumi

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A new modified configuration for the stand-alone photovoltaic- wind – diesel generator system with and without battery to electrify a remote area household load in Egypt is presented. The displaying, reenactment, and operational control technique for the framework is produced. The created control intends to enhance the energy flow inside the framework, with the end goal that the heap is fulfilled autonomous on the varieties in insolation, the temperature and the wind speed. Additionally, it means to ensure the battery against overcharging or excessive discharging. Also, it means to secure the worldwide framework against the unpredictable excess or defict of the available energy.

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16

Title : Studies on growth, mechanical, spectral and dielectric properties of triglycine sulpho phosphate crystals doped with L-tartaric acid

Authors : S.Gracelin Juliana, P.Selvarajan, S.Perumal

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Undoped and L-tartaric acid doped Triglycine Sulpho-phosphate(TGSP) salts were synthesized and single crystals of TGSP were grown by slow evaporation technique. Solubility of the samples for various temperatures in the range 30-50 oC.  It is observed that solubility in water increases with temperature for the samples, showing the positive temperature coefficient. Bulk crystals have been grown from the aqueous solutions of undoped and L-tartaric acid doped Triglycine Sulpho-phosphate.  Single crystal XRD studies on the grown crystals  reveal  the monoclinic crystal structure. Mechanical  parameters such as hardness, stiffness constant and yield strength were evaluated. Dielectric studies were performed to ascertain the ferroelectric nature of the samples. SHG and LDT studies reveal the NLO properties of the samples.

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17

Title : Hybrid Differential Evolution For Combined Heat And Power Economic Dispatch Problem

Authors : Chao-Lung Chiang

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This paper presents a hybrid differential evolution with multiplier updating (HDE-MU) to solve the complex combined heat and power economic dispatch (CHPED) problems. Transmission losses and valve-point effects of conventional thermal generators are taken into account. The hybrid differential evolution (HDE) has the ability to efficiently search and actively explore solutions. Multiplier updating (MU) is introduced to avoid deforming the augmented Lagrange function (ALF), which is adopted to manage system constraints of the CHPED problem. The proposed HDE-MU integrates the HDE with the MU. A practical CHPED system is employed to demonstrate that the proposed algorithm has the benefits of straightforwardness; ease of implementation; better effectiveness than the previous methods, and the requirement for only a small population when applied to the CHPED operation.

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