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Volume 3 Issue 7 (July 2016)

S.No. Title & Authors Page No View
1

Title : Missile Autopilot Design using Adaptive CMAC Supervisory Controller

Authors : ALI Bellahcene, JUN Wang

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Abstract :

An adaptive CMAC-Supervisory (CMS) controller is proposed for aerodynamic missile pitch autopilot control. Missile motion is nonlinear and time-variant with unknown parameters. The controller is a combination of a supervisory controller and an adaptive CMAC (Cerebellar Model Articulation Controller). In the adaptive CMAC, a CMAC is used to approximate an ideal control law and a compensation controller to recover the residual of the approximation error. The supervisory controller is added to the adaptive CMAC to keep the system states within a predefined feasible set. The controller’s stability verified with a Lyapunov function. Simulation results are carried out to confirm the efficiency of the proposed control.

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2

Title : Adsorptive Removal of Chromium (VI) from Synthetic Wastewater by Using Chalk powder as Cost Effective Adsorbent

Authors : N. Gandhi, D. Sirisha, K.B. Chandra Sekhar

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Abstract :

In this study, a series of batch laboratory experiments were conducted in order to investigate the feasibility of chalk powder as cost effective adsorbent for the removal of chromium from aqueous solution by the adsorption process. Investigation was carried out by studying the influence of initial solution pH, adsorbent dosage, contact time and initial concentration of chromium. The particle size of chalk powder used was 250 mic. All batch experiments were carried out at a constant temperature of 30°C (±2°C) using mechanical shaker that operated at 100 rpm. The single component equilibrium data was analyzed using Langmuir, Freundlich and Temkin adsorption isotherms. 

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3

Title : Study on Compressive Strength of Fibrous Triple Blended Concrete with Flyash and Silica Fume

Authors : Tanmai Ravulapalli

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Abstract :

Concrete is the key material used in various types of constructions, from the flooring of a hut to a multi-storied high rise structures. Concrete is one of the versatile heterogeneous materials. With the advent of concrete civil engineering has touched highest peak of technology. It is the material of choice where strength, durability, impermeability, fire resistance and abrasion resistance are required. The properties of concrete mainly depend on the constituents used in concrete making. The main aim of the present study is to determine the compressive strength, split tensile strength and flexural strength of concrete mix of M60 grade, with partial replacement of cement with Ground Granulated Blast furnace Slag and fly ash. Our study includes the concept of triple blending of cement with GGBS and FLY-ASH, this triple blend cement exploits the beneficial characteristics of both pozzolanic materials in producing a better concrete.

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4

Title : Production and Characterization of Biodiesel from Indigenous Castor Seeds

Authors : M.M Tunio, Saleem R. Samo, Zeenat M. Ali, A. Q. Jakhrani, K. C. Mukwana

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The purpose of this study was to examine the practicability of indigenous castor seeds for production of biodiesel and partial replacement of petro diesel. The crude oil was extracted with the help of mechanical expeller and free fatty acids were reduced with acid esterification and biodiesel produced through transesterification process. The total quantity of extracted crude oil from castor seeds was 45.8%, press cake 40% and losses 14.2%, and yield percentage of biodiesel was around 93.5% and glycerin 6.5%. All characteristic parameters of crude oil and biodiesel were found within standards. The sulphur content in crude oil was found extremely lower with 0.001% and flash point of biodiesel was 130oC against the standards of 0.8% and 130oC respectively. In addition, the palmitic, linoleic acid, Oleic and ricinoleic acids found better against literature reported in extracted crude oil and produced biodiesel samples. The palmitic fatty acid was greater; henceforth as a result it produces more yield of biodiesel. While linoleic acid was contained moderate percentage so as to form biodiesel with fewer amounts of reagents and henceforth ensures most economical production of biodiesel. It is concluded that biodiesel produced from indigenous jatropha seeds is a good quality and environmental friendly fuel to be blended with petro diesel in various proportions for internal combustion engine applications.

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5

Title : A Fingerprint Pattern Approach to Hill Cipher Implementation

Authors : Andysah Putera Utama Siahaan

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The human fingerprint always becomes the way to verify the originality of the ownership. It can be connected to the security methods to increase the security level. Hill Cipher in one of the cryptography algorithms that can attach the digital fingerprint pattern. There are several matrix sizes to implement its process. This study focuses to a 3 x 3 matrix in the application. It provides nine integer numbers to perform the encryption which determinant has already been tested before. The concept is to link the digital fingerprint pattern to produce the automatic key generator. Not all the determinant value can get the ciphertext back to the original message. A threshold is used to adjust the determinant. It produces the different numbers when to be shifted. The correct numbers will be occupied in the matrix. When the numbers are available, the cryptography process can be performed.

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6

Title : Optical and electrical properties of RF magnetron sputtered ZnO thin films deposited at different substrate temperatures

Authors : G.Anil Kumar, M.V.Ramana Reddy, R.Sayanna, Katta Narasimha Reddy

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Zinc oxide (ZnO) thin films were deposited on glass substrates by radio frequency magnetron sputtering using pure zinc oxide target. The effect of substrate temperature on the structural, morphological, optical and electrical properties of ZnO films were systematically investigated by X-ray diffraction, UV-Visible spectrophotometer and Hall effect measurements.  All these films exhibited strong (002) diffraction peaks corresponding to hexagonal wurtzite structure. The ZnO films formed at substrate temperature of 473K exhibited optical transmittance of 93% and electrical resistivity of 6.8 × 10−2 Ω cm.

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7

Title : Evaluation of Ginger adulteration with beans using Attenuated Total Reflectance Fourier Transform Infrared spectroscopy and multivariate analysis

Authors : W. Terouzi, A. Oussama

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Abstract :

Quantitative analysis of food adulterants is an important for health, wealth and economic issue that needs to be fast, simple and reliable. Attenuated Total Reflectance-Fourier Transform Mid Infrared Spectroscopy (ATR-FTMIR), combined with multivariate analysis, has been used to quantify the Beans content  in a binary mixture with Ginger. Blends of Ginger with different percentages (0–30%) of Beans were measured using ATR-FTMIR spectroscopy. Spectral and reference data were firstly analyzed by principal component analysis (PCA) to check outliers samples. Partial least square regression (PLSR) was used to establish calibration model.  Excellent correlation between ATR-FTIR analysis and studied blend samples was obtained R2 = 0.99;  with Root Mean Square Errors of Prediction < 1.102, Limit of Detection 3.305%, and Relative Prediction Errors as low as 0.67. These results indicate that ATR-FTMIR spectroscopy combined with chemometrics (multivariate analysis) can be used for rapid prediction of Beans content in Ginger.

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8

Title : An application of Genetic Fuzzy System in Active Queue Management for TCP/IP multiple congestion networks

Authors : Phuong Huy Nguyen, Thi Mai Thuong Duong, Thu May Duong

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Abstract :

In this paper, authors proposed a new algorithm to improve the Random Exponential Marking (REM) on TCP/IP network by combining Fuzzy System and Modified Genetic Algorithm (MGA). This new approach allows automatic adjustment of fuzzy parameters according to the network dynamics. Using NS-2 simulator, the results are verified and compared to some traditional AQM algorithms on a multiple-congested TCP/IP network.

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9

Title : The Reduction of Resolution of Weyl module from Characteristic-free to Lascoux Resolution in case (6,5,3)

Authors : Haytham Razooki Hassan, Nora Taha Abd

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In this paper  we study the relation between the resolution of weyl module  in characteristic-free mode and in the Lascoux mode (characteristic zero ),more precisely we obtain the Lascoux resolution of   in characteristic zero as an application of the resolution  of   in characteristic-free.

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10

Title : Dynamics analysis of a novel limited-DOF parallel manipulator with two planar limbs

Authors : Canguo Zhang, Yi Lu, Jianming Liang, Mingchao Geng

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Abstract :

It is significant to develop a limited-DOF parallel manipulator (PM) with high rigidity. However, the existing limited-DOF PMs include so many spherical joint which has less capability of pulling force bearing, less rotation range and lower precision under alternately heavy loads. A novel 5-DOF PM with two planar limbs is proposed and its dynamics are analysed systematically. A 3-dimension simulation mechanism of the proposed manipulator is constructed and its structure characteristics is analysed. The kinematics formulae for solving the displacement, velocity, acceleration of the platform, the active legs are established. An analytic example is given for solving the dynamics of the proposed manipulator and the analytic solved results are verified by the simulation mechanism. It provide the theoretical and technical foundations for its manufacturing, control and application.  

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11

Title : Effect of Lateral Soil Movement of Unstable Slope on Socketed Piles

Authors : Tschickardt T. G., Lee C.Y.

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Abstract :

The stability of a slope is an important issue to prevent landslides, which in many cases results in extensive property damage and even in loss of human lives. The severity of a slide can be a major factor that disturbs the sustainable development in a country. A quintessential problem is the ensuring of slope stability. One of many measurements is the application of using stabilization piles, because it is an efficient and effective solution since the installation of piles improves the equilibrium of the slope. The objective of this study is to investigate the effect of lateral soil movement of unstable slope on socketed piles. A total of 41 tests with free and fixed head socketed model piles have been conducted to investigate the pile resistance subjected to lateral soil movements. The experimental model pile tests were conducted in the laboratory with a large shear box apparatus. The conducted model pile tests had variable parameters such as the pile characteristics (rigid or flexible model piles), the pile spacing, the number of row of piles and also the pile group configuration such as ‘zigzag’ or parallel pile arrangement. The higher stiffness of the rigid piles is responsible for higher resistance to lateral soil movement than of flexible piles, but the low stiffness of the flexible piles will cause pile deflections. It was found that the group interaction and arching effect would increase with decreasing pile group spacing. The use of rigid and flexible piles in one pile group configuration considered as a hybrid pile group arrangement. This hybrid pile group arrangement may develops higher resistance for lateral soil movement and pile deflection.

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12

Title : Internal Finishing of Aluminium Tube with Sintered Magnetic Abrasive

Authors : Narinder Singh, Hemant Kumar, Jagdeep Singh Gill

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There has been a rapid growth in the development of harder and complex shapes to machine metals and alloys during the last few years. Conventional edged tool machining is difficult and uneconomical for such materials and degree of surface finish attainable is poor. In view of the seriousness of this problem, recently new non-conventional fine machining processes like Magnetic Abrasive Polishing, Magnetic Abrasive Flow Machining (MAFM), Magnetic Float Machining (MFM) and Magnetic Abrasive Machining (MAM), Magneto –Rheological Machining (MRM), Chemo-Mechanical Polishing (CMP) have been developed. Among these processes ‘Magnetic Abrasive Finishing processes are widely used for obtaining quality finish on metallic (ferrous and non ferrous) as well as non metallic (ceramics) components. MAF process has been recently used in its variant forms such as Magnetic float polishing, Magneto-rheological machining, Electrolytic magnetic polishing but the problem of development of magnetic abrasive powders is still present and efforts are in continuous progress at global to remove this problem. In the MAF method, a magnetic field is used to generate cutting force to treat the surface of a machined part. The magnetic field helps to form a flexible magnetic abrasives brush for finishing of surface.  Finishing force can be controlled with magnetic field and a low surface temperature is generated during finishing operations. Magnetic abrasives are not easily available. Very few studies have been reported till date on the development of alternative magnetic abrasives. The aim of study is to evaluate the performance of developed sintered magnetic abrasives for internal finishing of aluminium tubes using MAF process. PISF is calculated  considering different variables like speed (rpm) , quantity of abrasive and gap of magnetic pole and work piece.  Preparation of sintered magnetic abrasive was difficult and time consuming. The best result came at 425 rpm and quantity of abrasive used 6 gm. PISF value obtained in present case was 84 % .  

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13

Title : On The Dynamics Of The Difference Equation

Authors : Mehmet Emre Erdogan, Kemal Uslu

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In this paper, we studied the global behavior of the difference equation  with non-negative parameters and the initial conditions  are non-negative real numbers.

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14

Title : Assessing the Potentials for Rainfall Erosion on the Idah-Ankpa Plateau- Nigeria Using Insufficient Data

Authors : Oparaku L.A., Iwar R.T., Ogbeh G.O.

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In the tropical catchments of most developing countries, soil erosion research endeavours are hampered by sparse, short-term and inadequate weather records. This study attempted to find a part-solution to this problem by assessing the potentials for rainfall erosion on the Idah-Ankpa Plateau of the Anambra Basin, Nigeria, using a point, short-term (14 years) daily rainfall data. The variables computed and considered relevant to the study were the average monthly rainfall amount (mm), the average monthly rainy days, and the average monthly erosivity indices (EI). The EI values were computed using the Lombardi’s method.  The average monthly rainfall amount, rainy days and EI values were analyzed using descriptive statistics. Results show that the months running from May to October are the rainiest and have EI values greater than 1000 MJ.m/ha.hr, and these are the months highly prone to soil erosion wherever devegetation occurs on the landscape. September is the most erosive month with the highest average monthly rainfall amount and EI value of 242.20 mm and 1721.21 MJ.mm/ha.hr respectively. Bush burning and other land preparation practices that strip the land of its surface litter should be controlled between the months of November and March. Deforestation and construction activities occurring between May and October should be regulated.

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15

Title : A Framework For Wireless And Mobile Global Communications System Integration: Architectural And Implementation Issues

Authors : Eke Vincent O C, Benedict Mbanefo Emewu

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In recent years, most network providers needed a larger framework of mutually shared Technology. Therefore, many network manufacturers have begun to integrate other company’s network components into their own communications network systems. Thus, making such systems possess complex nature and distinctive characteristics like different technologies, different architectures, different interfaces, different protocols, and access modes. Hence, we propose a framework for integrating space network and terrestrial networks. The framework must be capable of interconnecting a wide range of wireless access networks such as 802.11-based wireless LANs, cellular wireless, and satellite networks into a highly integrated wireless access platform. Our main contribution is the design of an architectural configuration of a wireless and mobile global communications network systems (as well as cellular networks).The issues of system integration, interoperability, and implementation are addressed. A case study of two models of System Integration was presented and compared.

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16

Title : A Brief Review of Phonetic Errors in Punjabi Typed Text and Bangla

Authors : Meenu Bhagat

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Phonetic analysis is a branch of natural language processing (NLP) which deals with how the sounds are produced when we talk and how words are related to sounds. Phonetic analysis is a challenging task in Natural Language Processing as it involves making computer to understand how sounds are produced and analyze it. In the past few decades the researchers has addressed this problem in a broader perspective focusing on different Regional languages that are spoken across the world. The major application of Phonetics is to recognize the language, process it for lexical, syntactic, semantic knowledge about the language and the challenges of speech recognition and speech synthesis. This paper focuses on the contribution of different type of Phonetic errors in Non-word Error Distribution of Punjabi Typed Text. This paper is based on the analysis done on 20000 misspelled words generated by typists. This paper also give a brief introduction of phonetic errors in Bangla language.

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17

Title : Investigation Of Single Mode Square Lattice Photonic Crystal Fiber With Ultraflattened Dispersion

Authors : Lisha Agrawal, Himanshu Joshi, Khushbu Sharma

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This paper presents a new single mode photonic crystal fiber based on square lattice structure with ultraflattened dispersion and also the two different air-hole diameters in cladding region is proposed. In this article, the dispersion is investigated using a proficient compact two dimensional finite-difference time-domain (2-D FDTD) method and the anisotropic perfectly matched layer (PML) for the boundary treatment. To examine the single properties of PCF like dispersion and other polarizing properties the outcome of variation in wafer dimension of a constant lattice size is analyzed. The elementary characteristics of single mode photonic crystal fibers (SMPCFs) such as chromatic dispersion are numerically investigated and Normalized frequency parameter parameter is also being estimated in this paper. We find that the proposed photonic crystal fibers demonstrate properties of ultraflattened nearly zero dispersion of 0±0.6ps/(km·nm) in wavelength range of 1.3 to 1.6 µm through numerical simulation and optimizing the geometrical parameters.

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18

Title : Study and Analysis of Photonic Crystal Fiber in Honey Comb Structure with Ultra-Flattened Dispersion

Authors : Ankita Singh, Himanshu Joshi, Khushbu Sharma

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A new class of Honey Comb Photonic Crystal Fibres (PCFs) structure that has a high-index core surrounded by air holes is proposed. For the proposed design four different air-hole diameters surrounding core region is used. A full vector Finite Difference Time Domain (FDTD) analysis with  the Transparent Boundary conditions (TBC) absorbing boundary conditions  is effectively applied to investigate the model characteristics of Photonic Crystal Fibres (PCFs) Through the numerical simulation and optimizing the geometrical parameters like changing the pitch (Λ) for photonic crystal fibers in Honey Comb structure, it has been demonstrated that it is possible to obtain ultra flatten dispersion over a wide wavelength range. The designed index-guiding Honey Comb PCFs has a nearly zero ultra-flattened dispersion of O±O.11ps/(nm.km) in a wavelength range of 1.4 µm to 1.6µm. The proposed structure is designed using seven rings in which circular air holes are used. The background material for the designing purpose is silica with refractive index 1.458.  Moreover, a detailed study of PCF with honeycomb lattice has been carried out with the purpose of optimizing the chromatic dispersion.

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Title : Microwave-assisted extraction of phenolic compounds from Canavalia ensiformis leaves: preparation and evaluation of prospective bioherbicide on control of soybean weeds

Authors :

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Several chemical compounds are used for pest control in agriculture in order to increase productivity. It is scientific knowledge that such pesticides adversely affect human and animal health through contamination by these substances. Thus, the use of substances obtained from nature itself to combat pests and weeds is an alternative for the control of those and, consequently, prevent environmental contamination. This paper evaluated the aqueous extracts of jack-bean leaves (Canavalia ensiformis) as a prospective postemergent bioherbicide applied in the control of soybean weeds. The process of extraction of phenolic compounds was carried out in a digestion system by microwave, in vessels of 60 mL with approximately 2 g dry plant material and 30 mL of deionized water in pressurized system, followed by chromatographic injection. Optimal conditions for extraction were temperature of 100 °C, extraction time of 10 minutes and ramp of temperature of 5 minutes. Determinations were performed via HPLC-UV chromatography, based on peak ferulic acid compound in all assays. This study aimed to optimize a microwave-assisted extraction method and consequently evaluating these extracts as bioherbicide in soybean weeds.

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