Vaishnavi Ganesh

Highly effective Z-scheme La–ZnO/GCN nanocomposite (LZG) were synthesized via hydrothermal and ultrasonication methods. The prepared samples were further analyzed through varies techniques like X-ray diffraction (XRD), high-resolution scanning electron microscopy (HRSEM), X-ray photoelectron spectroscopy (XPS) and UV–visible spectroscopy. XRD confi...

The task of ensuring cyber-security has grown increasingly challenging as the alarming expansion of computer connectivity and the large number of computer-related applications has expanded recently. It also requires a sufficient protection system against a variety of cyberattacks. Detecting discrepancies and risks in a computer network, as well as...

The utilization of visible light semiconductor photocatalyst was considered an effective technique to treat hazardous organic pollutants. From the focus of increasing the photocatalytic performance of zinc oxide, different concentrations of (5, 10, and 15%) strontium (Sr2+)-substituted ZnO hierarchical nanostructures were prepared by hydrothermal m...

Siddha's system of medicine is the effective one to reduce the symptoms of many viral illnesses. Siddha's system of medicine in asymptomatic, mild to moderate Covid-19 Positive patients, will make them recognize its effectiveness, reduce the symptoms, and move into the traditional approach towards the deadliest pandemic disease Covid-19. The object...

Background: Covid-19 is a global pandemic since 2019. SARS-CoV2 is a new virus that originated from China and is currently spread across 160 countries. Siddha medicine is one of the traditional Indian medicines, part of Ayush that tend to treat several acute and chronic diseases. Aim: The objective of this study is to observe the safety and efficac...

This paper presents three area multi-unit Deregulated Power System (DPS) for Load Frequency Control (LFC) using Fractional Order Sliding Mode Controller (FOSMC) along with Thyristor Controlled Phase Shifters (TCPS) and Superconducting Magnetic Energy Storage (SMES) combination. The FOSMC can be used to overcome nonlinearities and uncertainties of t...

This article has been withdrawn: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been withdrawn as part of the withdrawal of the Proceedings of the International Conference on Emerging Trends in Materials Science, Technology and Engineering (ICMSTE2K21). Su...

In this paper, the various methods for intrusion detection and prevention are discussed based on the four review papers. In the first paper, the support vector machines and decision trees machine learning techniques are being used to train the data set for detecting DOS attacks in WSN and found that decision trees are more efficient than support ve...

In present days, people utilize social networking sites like Twitter for sharing their emotions and opinions. Detection and examination of the emotions present in social media becomes advantageous in several application areas like e-commerce, government, public health, entertainment, and so on. Several earlier studies have on sentiments and emotion...

In last decades, social networking sites like Twitter and Facebook has provided a platform to express people opinions about product, politics, sports, entertainment and so on. At the same time, emotion and sentiment classification problem also attracted several researchers to analyze the state of mind of the people, which finds useful to improve th...

This paper presents a Fractional Order Sliding Mode Controller (FOSMC) for load frequency control of multi area power system in deregulated environment. In deregulated power system the design of controller is more complicated due to contracted and un-contracted load demands. This proposed controller shall take care of system nonlinearities and unce...

Mn3O4/MnSnO3 nanocomposites have been successfully synthesized via solvothermal method by using the mixed solution consisting of manganese chloride and tin chloride salt dissolved in the mixture of ethanol and deionized water in 50:50 ratio at the processing temperature of 180 °C by adapting different capping agents such as PVP, PVA and ethylene gl...

In this study, solvothermal method was used for the synthesis of MnFe₂O₄ nanoparticles at different processing period of 7, 14, and 21 h. X-ray diffraction (XRD) pattern study confirms that MnFe₂O₄ nanoparticles correspond to the face-centered cubic spinel structure and belong to the Fd3m [227] space group. From Raman spectra analysis, two major pe...

The structure, operation, and planning of electric power networks will undergo considerable and rapid changes due to increased global energy consumption. The requirement of renewable energy sources due to the increase of electrical demand. This paper presents wind energy integration with electrical grid under impact on sudden load conditions. To fi...

The photoelectrical splitting of water is an important technique for the efficient generation of hydrogen using catalysts. However, understanding the effects of the size and crystallinity of catalysts is essential for tuning the efficiency of photo electrochemical hydrogen production. In this study, we synthesized WO 3 nanocubes with controlled uni...

This study reports the synthesis of zirconia nanoparticles loaded on various carbon substrates, namely, reduced graphene oxide (Zr-r-GO), Carbon Nanotubes (Zr-CNT), Activated carbon (Zr- AC). In addition, a composite of zirconia-iron mixed oxide loaded on activated carbon (FeZr- AC) was also synthesized. The materials were characterized using SEM-E...

In this work, the role of different solvent in the synthesis of Mo9O26 nanoparticles was examined through hydrothermal method at optimized experimental conditions. The precursor solutions consists of sodium molybdate salts was dissolved respectively in deionized water, ethanol and mixture of ethanol and deionized water in a separate beaker and labe...

Since a few years, a power quality issue becomes more critical on a power distribution system and profoundly influences on both technical and economic aspects. Grid stability is an essential constraint in present power system studies with the enhancement of power-quality features. During sudden interruptions, the battery energy storage system might...

The monodispersed CuFe2O4 nanoparticles were synthesized and optimized by employing solvothermal method and were studied by employing X-ray diffraction (XRD) method. The obtained products have tetragonal crystalline cubic-spinel type structure belonging to I41/amd space group. The Raman and infrared studies analyzed the different vibration and star...

The SnO₂ nanoparticles formation by hydrothermal method at different experimental conditions such as temperature, pH, reaction time, and capping agent (cetyltrimethylammonium bromide), was studied. X-ray diffraction results confirmed regular rutile crystal structure of SnO₂. The characteristic Raman peak observed at 635 cm-1 corresponded to A1g mod...

Synthesis of polyoxometalates (Cu3Mo2O9 nanopowders) was obtained by using solvothermal method and confirmed by X-ray diffraction pattern, with orthorhombic crystalline structure belonging to the space group Pna21(33). Further, the synthesized Cu3Mo2O9 nanopowders were analyzed by using Raman, infrared, and photoluminescence studies. X-ray photoele...

We study incompressible, inviscid, density stratified fluid with variable cross section in this present paper. For this problem, we have obtained a bound for the complex part of phase velocity. Furthermore, we have obtained an instability region which depends on number of parameters.

In the current work we report a simple and scalable technique for synthesis of ordered nanoporous Si-ZrO2 composite derived from the diatom Phaeodactylum tricornutum. The composite was well characterized using SEM, TEM-EDX, FTIR, TGA, BET and DLS. The diatom-ZrO2 was found to have a specific surface area of 140 m2/g, Si:Zr ratio of 1:4 and a partic...

Fuel cost savings can be obtained by proper commitment of available generating units. This paper describes a new approach to the unit commitment problem through classification of units into various clusters based on hybrid technique of genetic algorithm and simulated annealing. This classification is carried out in order to reduce the overall opera...

Titanium Nitride (TiN) coatings were deposited on stainless steel substrate using Cathodic Arc Deposition method. Coating uniformity and growth defects were analysed by the proposed image processing technique along with conventional XRD, SEM and surface roughness measurement. Corrosion experiments confirmed that coating exposed with coarse texture...

MnMoO4 nanoparticles were synthesized by employing solvothermal method at optimized experimental condition to explore their electrochemical properties. The fundamental characterization studies such as X-ray diffraction, Raman spectroscopy, and Fourier transform infrared spectra confirmed the formation of pure phase of monoclinic crystal structure w...

The present work addresses the important need of new materials to improve energy storage materials. The synthesis of MnCo2O4 nanospheres by employing solvothermal method at different incubation times was carried out. The effects of reaction time on structural, morphological, and electrochemical studies were briefly investigated. The X-ray diffracti...

Detection of uric acid (UA) is a foremost area of research as abnormal increases in its level can be used to diagnose diseases such as gout, renal disorders, and arthritis. Development of efficient test diagnostics to detect UA in human urine is therefore required. In this study, magnesium oxide was prepared via a hydrothermal route. X-ray diffract...

Zinc cobalt oxide (ZnCo2O4) microspheres are prepared at three different hydrothermal process temperatures (100 °C, 130 °C, and 160 °C) assisted with urea. XRD studies reveal the spinel face-centered cubic (Fd3m) structure of ZnCo2O4 microspheres. The optical and vibrational properties of the product are characterized by photoluminescence and FTIR...

Composite power system reliability involves assessing the adequacy of generation and transmission system to meet the demand at major system load points. Contingency selection was being the most tedious step in reliability evaluation of large electric systems. Contingency in power system might be a possible event in future which was not predicted wi...

Composite power system reliability involves assessing the adequacy of generation and transmission system to meet the demand at major system load points. Contingency selection was being the most tedious step in reliability evaluation of large electric systems. Contingency in power system might be a possible event in future which was not predicted wi...

Metal-doped tin oxide is gathering interest in the field of energy storage and power supply devices, particularly in supercapacitors applications. In the present study, we adopt a hydrothermal method to synthesis SnO2, Zn-SnO2, Ag-SnO2 nanoparticles at suitable conditions of temperature, pH, reaction time, and capping agents (CTAB). SnO2, Zn-SnO2,...

NiO/NiSnO3 nanocomposite synthesis was accomplished by a hydrothermal method. The role of polyvinylpyrrolidone and experimental parameters in the configuration of NiO/NiSnO3 nanocomposite was studied by employing standard characterization techniques. Electrochemical properties were demonstrated by adopting cyclic voltammetry, electro-impedance spec...

p>Reliability worth assessment is a primary concern in planning and designing of electrical distribution systems those operate in an economic manner with minimal interruption of electric supply to customer loads. Renewable energy sources (RES) based Distributed Generation (DG) units can be forecasted to penetrate in distribution networks due to adv...

Nickel oxide (NiO) nanopowders were synthesized without using surfactant by chemical reduction technique. NaBH4 influence on structural, optical and magnetic properties of NiO product was investigated. XRD results revealed the formation of dominant single phase, cubic face centered nickel oxide. Raman peaks depicts the characteristic first-order tr...

Pure and cobalt-substituted zinc ferrites were successfully synthesized employing a simple co-precipitation route. CoxZn0.04−xFe2O4 (x = 0, 0.01, 0.02) physical properties have been investigated employing comprehensive characterization studies. XRD results confirmed the cobalt substitution in zinc-ferrite magnetic ceramics. SEM analysis revealed no...

Zinc doped tin oxide nanoparticles were synthesized by employing sol–gel method assisted with different surfactants namely cetyl trimethyl ammonium bromide (CTAB), hexamine and polyethylene glycol 400 (PEG-400). The synthesis of uniform distribution of spherical Zn-SnO2 nanoparticles in presence of PEG-400 was optimized. The synthesized Zn-SnO2 nan...

The rapid growth of energy demand and lack of sustainable energy conversion/ storage devices brought supercapacitors to inevitable substitute to current storage devices. However, the major limitation to the cutting edge lies in their relatively low energy density compared to batteries. Here, we report LaMnO3/RGO/PANI ternary composite fabricated vi...

Background Primary hyperparathyroidism (PHPT) is a common endocrine disease with a variable clinical presentation. PHPT is usually symptomatic at presentation in majority of the patients, especially in developing countries. As the accessibility to investigations, advanced imaging methods and surgical procedures are improving, the clinical profile o...

Background: Primary hyperparathyroidism (PHPT) is a common endocrine disease with a variable clinical presentation. PHPT is usually symptomatic at presentation in majority of the patients, especially in developing countries. As the accessibility to investigations, advanced imaging methods and surgical procedures are improving, the clinical profile...

Electrochemically active XWO4 (X = Co, Cu, Mn, Zn) nanostructures were synthesized successfully by employing solvothermal method. The processing parameters’ effect such as time, temperature, pH and solvents on morphological and electrochemical OER performance of XWO4 nanostructures was investigated. The excellent OER response was observed for XWO4...

ZnO nanotips structure fabrication was undertaken through controlled growth by chemical vapor deposition (CVD) method. Substrate position and deposition time role was investigated systematically by controlling the parameters such as temperature, flow rate, and growth pressure. The obtained result showed that ZnO nanorods undergo a sharp regrowth pr...

DC Microgrid is one feasible and effective solution to integrate renewable energy sources as well as to supply electricity. This paper proposes a DC microgrid with enhanced Maximum Power Point Tracking (MPPT) techniques for wind and solar energy systems. In this paper, the PV system power generation is enhanced by introducing a two-model MPPT techn...

Physical and electrochemical properties of magnesium ferrite (MgFe2O4) with respect to calcination temperature were investigated. XRD results revealed the increasing degree of crystallinity at different annealing temperatures. SEM images explored the spherical morphology of particles. High intense principal photoluminescence peak situated at 532 nm...

Hausmannite (Mn3O4) plate like nano-grains, coin like nano-sphere and nano-petals structure were respectively prepared employing co-precipitation, sol-gel and hydrothermal route. The obtained product was characterized comprehensively. High specific capacitance value of 462.70 F/g at 10 mV/s was achieved using hydrothermal method. The magnetic behav...

The generalized UPFC has been treated as voltage source dependent converter. This paper explains a complete model of 48-pulse GTO voltage source converter, here four 12-pulse converters are used to form a single 48-pulse converter. Main objective of using GUPFC is to control the reactive and real power through transmission line. GUPFC contains sing...

Electricity generation, electric power transmission and final distribution to an electricity meter are some of the processes performed in the industry of electric power. Power quality is an important factor to show the wellness of electric power. Due to the changing behavior of power generation in wind systems, more power quality issues may occur....

This paper deals radial distribution system power losses allocation to connected consumers before and after distribution generator (DG) in a deregulated environment. Allocation of power loss is made in a proposed exact method way, which is calculated based on allocating power losses to consumers by taking each branch current suppling to customer lo...

In this study, uniform iron manganese trioxide (FeMnO3) microspheres were characterized as electrode for supercapacitor applications. The microspheres were synthesized by hydrothermal method in the presence of different molar ratios of sucrose. X-ray diffraction pattern confirmed that the obtained microsphere has body-centered lattice structure of...

Pure and zinc substituted Co–Ni mixed ferrites (ZnxCo0.005−xNi0.005Fe2O4, where x = 0, 0.002, 0.004 M) were effectively prepared by employing co-precipitation method and their physico-chemical properties were investigated. XRD results confirmed face centered cubic cobalt nickel spinel ferrite formation. The noticeable variations were found in peaks...

Hydrothermal method was adapted to synthesis NiCo2O4 nanoparticles by varying nickel and cobalt precursor concentration as 1:1, 1:2, and 1:3 ratios. X-ray diffraction (XRD) results revealed the spinel NiCo2O4 structure belongs to Fd3¯m\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb}...

Nickel-doped magnesium oxide (Ni–MgO) nanopowders were successfully synthesized by employing a simple sol–gel process by adopting different surfactants such as Hexamine, CTAB and PEG-400. XRD results clearly revealed the formation of face centered cubic structure. The characteristic PL peaks observed at 401, 490 and 552 nm are owing to charge trans...

The manuscript presents structural, optical and magnetic properties of CuFe2O4 nanoparticles obtained employing a simple co-precipitation method in aqueous solution. Influence of ferric chloride concentration on the structural, optical and magnetic properties of CuFe2O4 nanoparticles was investigated. XRD results clearly revealed the spinel tetrago...

Ag-doped cobalt oxide (Co3O4) nanorods were successfully synthesized using hydrothermal route at 90, 120, 150, and 180 °C. The face-centered cubic structure of Co3O4 was confirmed through X-ray diffraction pattern. A well-defined Raman active mode of vibrations (Eg + F2g + A1g) revealed the cubic Co3O4 formation. The morphology of Ag-doped Co3O4 na...

The influence of processing parameters on the physicochemical properties of hematite α-Fe2O3 nanostructures was investigated. X-ray diffraction results revealed the hematite phase rhombohedral structure. Scanning electron microscope results explored nanospheres, nanohexagonal platelets, nanoellipsoids, distorted nanocubes, and interconnected platel...

Effect of different capping agents such as hexamine and PEG-400 on the synthesis of α-MoO3 nanoparticles was investigated employing a simple chemical reduction method by adopting NaBH4 as reducing agent. Owing to the general fact that the two capping agents are unique in chemical properties, different physico-chemical properties on the synthesized...

CuMn2O4 nanoparticles were successfully synthesized by adopting solvothermal method with optimum hydrothermal processing temperature maintained at 160 °C for 12 h. The synthesized CuMn2O4 nanoparticles structure, morphology, optical and electrochemical properties were analyzed with respect to varying the hydrothermal temperature. The product domina...

Saving of Fuel Cost can be done through proper commitment of available generating units. This paper presents a novel technique to solve the problem of unit commitment through sorting of units into different clusters based on Genetic Algorithm (GA). This sorting is implemented in order to decrease the overall operating cost and to assure the various...

p>DPFC is proposed in the present work to improve voltage stability of fourteen bus system during line interruption. The voltage across the load decreases due to the interruption of the line. State space method is used to calculate Line currents and bus voltages. The ability of DPFC to bring voltage, real power and reactive power to normal level is...

DPFC is proposed in the present work to improve voltage stability of fourteen bus system during line interruption. The voltage across the load decreases due to the interruption of the line. State space method is used to calculate Line currents and bus voltages. The ability of DPFC to bring voltage, real power and reactive power to normal level is p...

DPFC can be used to improve receiving end voltage of fourteen bus system. This paper shows the conception and simulation of wind and solar based distribution power flow controller for sag compensation and ohmic loss reduction. The objectives of this work are to improve the voltage and reduce the line losses. Fourteen bus systems with DPFC in open l...

Saving of fuel cost can be done through proper commitment of available generating units. This paper presents a novel technique to solve the problem of unit commitment through sorting of units into different clusters based on Imperialistic Competition Algorithm (ICA). This sorting is implemented in order to decrease the overall operating cost and to...

The accurate determination of protein structure is integral to the medical and pharmaceutical communities' ability to understand disease and develop drugs. Current techniques (such as circular dichroism [CD], infrared [IR] spectroscopy, and Raman spectroscopy) for protein structure prediction provide results that can be poorly resolved, while high-...

We report a solvent-free method of preparation for a NiO-carbon nanotube/graphene ternary composite using nickel formate as a green precursor via a thermal decomposition method. In this ternary composite, NiO with an average particle size of 7 nm is regularly decorated on the surfaces of conductive carbon matrix networks such as MWCNTs and reduced...

Dyke-Davidoff-Masson syndrome (DDMS) is cerebral hemiatrophy occurring following brain insult resulting from infarct, trauma or infection in utero or soon after birth. Clinical features of this syndrome include variable degree of contralateral hemiparesis, facial asymmetry, seizures and mental retardation. Recurrent seizures is the most debilitatin...

An innovative control method to improve the system stability by most favorable proposed technique is distributed power flow controller (DPFC) based stabilizer is mentioned in this paper. The paper demonstrates the fundamental module, current injection method, mathematic modelling of DPFC. The function of the effort is to design an power oscillation...

The aim of this paper is to present speed estimation method for sensorless indirect field oriented controlled Induction Motor (IM) drive. The proposed Model Reference Adaptive System (MRAS) based on stator currents is used for the estimation of the rotor speed. The problems related to integrationof the variables in the reference model of MRAS, here...