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201 articles for “matrix”
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Modelling of Distance Relays and Impact of TCSC on the Protection of Long Distance Transmission Lines
Abstract: Power system protection is one of the most important and exciting topics, which has been attracting the attention of both academic institutions and utilities ever since the power systems came into being. For the proper operation of the power system, an effective, efficient and reliable protection scheme is desirable. The power system components, which include synchronous machines, bus bars, transformers, transmission lines, distribution systems consisting of complex as well as …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 1–15 Read article
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Three-Dimensional Cubic Display and Lattice Analysis Using 89C51 Microcontroller
Abstract: A three-dimensional display has been presented in this paper which is driven by a microcontroller. A new form of display has been introduced in the LED arena. Any size cube of A*A*A can be effectively implemented which are cheap as well as rugged. A three-dimensional mosaic of light emitting diode is formed in a cube which is comprised of light emitting diodes arranged in the dimensional matrix. Cheapness and ruggedness …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 3, Issue 2, 2017 · pp. 17–19 Read article
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Equivalent Circuits For High Frequency Bipolar Transistors
Abstract: Two types of equivalent circuits were considered to represent small signal/linear bipolar transistor behaviour at high frequencies. Elements/Parameters of the equivalent circuits are extracted from measured S parameters using gradient method by Fletcher-Powell. Exact gradients of S parameters were determined by using gradient conversion matrix formula between two-port open circuit impedance parameters and two port scattering parameters. Good agreement between measured and simulated all the four two port S parameters …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 3, Issue 1, 2017 · pp. 1–9 Read article
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Android Based Moving Message Display
Abstract: The project's goal is to create a moving message display with LEDs that can be operated from an Android smartphone. The suggested solution connects an Android phone to an LED display board via Bluetooth technology. The goal of this project is to create an embedded system that uses an Android Bluetooth module to instantly display information using LEDs. All information and advertisements in the modern era are shown digitally. These …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 2, 2023 · pp. 1–6 Read article
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Performance Analysis of Long Shunt Self Excited Induction Generators
Abstract: The Subject of this paper is to analyse the Self Excited Induction Generators operating in long Shunt configuration. A simulink model of long shunt self excited induction generator (SEIG) has been developed using Matrix Laboratory (MATLAB) (R2010a) user friendly toolbox. The results are verified by conducting experiments on the same SEIG. Different results are taken for different loading conditions.The values of Shunt and Series capacitance is also changed for different …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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Emerging Trend of Rubber and Polymer Nano-composites
Abstract: This review is a description of rubber and polymer constituted forms to enhance desirable properties. Fibre reinforced thermo-setting polymers are constituted from fabrics in polymer, which cross linked matrix has stiff and tough properties after addition of another constitutive. Electrical stress originating in hot spots has removed after use of proper nano filler in place of two type coats on electrical cables. Increasing performance oriented properties have subjected additional descriptive, …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 1, 2021 · pp. 9–17 Read article
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Decision Methodology for Site Suitability Index – A Combinatorics Approach
Abstract: Installation and operation of a power plant is dependent upon a large number of parameters which are interdependent. In the present work a methodology based upon the combination of digraph development, matrix representation and computational solution is applied on the problem of site selection for power plant is developed. The aim of present work is the factor identification and methodology development for decision making. This paper identifies various parameters affecting …
Published in International Journal of Energetic Materials · Vol. 2, Issue 1, 2016 · pp. 15–18 Read article
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Examination of the Amplitude Equation to the Characteristics of Harmonic Oscillators: The Concept of Schrodinger Wave Equation
Abstract: Although Heisenberg’s matrix mechanics was developed first, the Schrödinger equation was the first useful quantum wave equation. However, the Schrödinger equation is applicable only to non-relativistic cases. As opposed to classical physics, where the wave equation can be derived from first principles, in quantum physics the wave equation is obtained by a plausibility argument based on classical physics and the de Broglie hypotheses. Inserting the de Broglie relations. A frequently …
Published in International Journal of Energetic Materials · Vol. 4, Issue 1, 2018 · pp. 17–29 Read article
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Use of Nano-additives in Rubber Compounding: A Review
Abstract: Rubber nanocomposites nowadays find an important position both in academic and industrial point of view and extensive research work is under way in this area. Due to their ever-growing significance of nano-additives, thorough investigation becomes necessary especially for their applications in various industries. Due to enhanced surface area and high aspect ratio of nanomaterials results in superior matrix/filler interaction and lead to superior and versatile properties in wide range of …
Published in International Journal of Energetic Materials · Vol. 7, Issue 1, 2021 · pp. 40–47 Read article
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Study of Isotropic Property
Abstract: This article is constitutive from as forged as well compounded form. Isotropy is uniformity in various orientations. Isotropy is composed of Greek isos meant by equal and tropos meant by way. Precise definable consequence is subjective to depend on material property i.e., same when tested in different directions. A common example of isotropy is inclusive as of glass, plastics, and metals. Alter subject area is studied as inequality, given by …
Published in International Journal of Energetic Materials · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
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Taguchi based validation of wear prediction for Zirconium dioxide particulate reinforced Aluminium 7068 composites
Abstract: The current work emphasis on the tribological characterization of Zirconium dioxide (Zirconia, ZrO2) particulates reinforced Aluminium 7068 metal matrix composites for different process variables established following design of experiments methodology and consequent taguchi based validation techniques for wear prediction. The pin on disc wear test is carried out on specimens fabricated enroute ultrasonic assisted stir casting with controlled dispersion of 12 Wt.% of ZrO2 and subsequent machining of the castings …
Published in International Journal of Metallurgy and Alloys · Vol. 4, Issue 1, 2018 · pp. 37–50 Read article
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Data Assortment for Materials and Alloys – A Graph Theoretic Approach
Abstract: Progression of data assortment is stepped in survey of different organizations and living spaces sometimes installed with modern industries. Any suitable industry identification and preparation of questionnaire is based upon the set of problem and solution methodology. The data obtained from any organization is highly scattered in nature which makes it difficult to analyze. In the present work a methodology is developed which will be helpful to decision maker in …
Published in International Journal of Metallurgy and Alloys · Vol. 4, Issue 2, 2018 · pp. 12–14 Read article
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Essential of bearing in materials engineering
Abstract: Essentials of bearing have been to maintain lubricant film to prevent metal to metal contact and hence local welding of two surfaces. Tribological and mechanical properties have improved by powder metallurgy route of bearing fabrications. Alloyed non-ferrous plane bearings have better friction coefficients than pure metals. Betterment has appeared in babbit/ bronze particulate reinforced composites. Ni addition has improved performances of graphite-lead free tin bronze composite layers on surface of …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 2, 2019 · pp. 1–17 Read article
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Mechanical properties of Al-Si17Cu3.5Mg0.8 alloy fabricated by stir casting with UV and new CRSS casting process with and without T6 condition
Abstract: Aluminum-Silicon metal matrix composites are the popular materials in the vast majority of the car and modern industries on account of their low weight, high mechanical properties, and incredible wear opposition properties. In the present study, Al-Si17Cu3.5Mg0.8 alloy is fabricated by two casting processes such as stir casting with ultrasonic vibrations (RSC) and merged-rheo-stir-squeeze (CRSS) casting with and without heat treated (T6) condition. Microstructural and material characterization was explored by …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 1, 2020 · pp. 15–24 Read article
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Study of Microstructure and corrosion effects of precipitation hardened high strength AA-7xxx aluminium alloy subjected to cryo rolling
Abstract: The strength and life of an alloy is the primary parameter taken into consideration while building hulls and superstructures for marine applications. Usually AA-7xxx is widely used for these applications and hence is chosen for the present investigation. Cast AA-7xxx alloy reveals distribution of soluble intermetallic compounds in the α-aluminium matrix. In order to improve the mechanical properties and condition the microstructural features, precipitation hardening (solutionizing and ageing) treatment was …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 2, 2020 · pp. 18–23 Read article
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MWCNT AND GRAPHENE FOR IMPROVED CORROSION RESISTANCE OF MILD STEEL
Abstract: ABSTRACTThe protective coating method is a passive corrosion protection technique. The protective coating detaches the metallic surfaces from the aggressive media, such as moisture, salts, acids etc. Nanotechnology is a relatively modern development in scientific research, the development of this concept occurred over a very short period of time. One technique that has recently been used to increase the adhesive and anti-corrosive properties of polymer coatings is the addition of …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 2, 2020 · pp. 12–17 Read article
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Synthesis and characterization of Calcium Alginate Nanoparticle for Drug Delivery Application
Abstract: The polymeric nanoparticles (PNPs) are prepared from biocompatible and biodegradable polymers such as chitosan, gelatin, sodium alginate and albumin in size between 10-1000 nm where the drug is dissolved, entrapped, encapsulated or attached to a nanoparticle matrix. Their nanometer-size promotes effective permeation through cell membranes and stability in the blood stream. These smart PNPs are widely used as carriers in the pharmaceutical sector for controlled release in drug delivery. In …
Published in International journal of Nanobiotechnology · Vol. 4, Issue 2, 2018 · pp. 35–41 Read article
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“Bridging the Gap: Nanotechnology& Role inTissue Engineering”
Abstract: The multidisciplinary field of tissue engineering combines biology, engineering, and materials science to repair, replace, or regenerate damaged tissues and organs. In it, the artificial or substitute tissues are implanted to imitate the operations of the damaged tissues. In the past, attempts were made but weren’t satisfactory. Nanotechnology has the potential to modify biological functions and strengthen the properties of scaffolds. This review emphasizes on the need and impact of …
Published in International journal of Nanobiotechnology · Vol. 9, Issue 2, 2023 · pp. 10–17 Read article
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Effect of Compatibilizers on Polypropylene-Based Peanut Shell Flour Composites Reinforced with Nanoclay
Abstract: The improvement of innovative ingredients is on the rise, especially in the automobile, aerospace, aviation, and construction industries. Conventional ingredients are being substituted with nanocomposite ingredients due to their excellent features. In this study, various composites based on polypropylene (PP), peanut shell flour (50 wt% PSF), and nanoclay (Cloisite 30B) were manufactured by melt mixing process followed by injection molded in the presence of maleated PP (PPM) and maleated styrene …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 2, 2022 · pp. 1–13 Read article
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Thermal and structural properties of surface treated ragweed fiber reinforced biodegradable polylactic acid biocomposites
Abstract: Natural fiber-reinforced composites (NFRC) are becoming more popular as technological advance recognizes the need for eco-friendly materials. This work presents Giant ragweed (Ambrosia trifida) as a new composite reinforcement material into polylactic acid (PLA) matrix to form novel natural fiber-reinforced composites. Different types of retting techniques are utilized, and hydrogen peroxide retting is proven to provide the most optimized properties. The fibers are taken through subsequent extraction and grinding processes. …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 13–31 Read article