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1886 articles for “amanyaster@gmail.com (Amanuel Afeto)” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Analysis and Characterization of Different Topologies of Dynamic Latch based CMOS Comparators for Delay, Offset and Power
Abstract: This paper presents the analysis and characterization of various topologies of dynamic latch based complementary metal oxide semiconductor (CMOS) comparator. Various comparator topologies like resistor divider comparator (RDC), differential pair comparator (DPC), double-tail dynamic latched comparator (DTDLC), energy efficient two-stage comparator (ETWC) and two-stage dynamic comparator (TSDL) are analyzed and compared for various performance parameters. Besides zero static power consumption, resistor divider comparator has high offset voltage and it depends …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 86–98 Read article
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Image Compression Techniques-A Comparative Study
Abstract: AbstractDigital images are required to store a large among of storage space in digital computers. Nowadays, computer system is very capable to process digital images with high resolution quite easily. The transmission of huge data needs more time to transfer over network channel. Thus, time and space are two fundamental components of computing. In the field of digital image processing, image compression is one of the most popular and commercially …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 6, Issue 2, 2019 · pp. 82–87 Read article
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The Next Level Computing: Quantum Computers
Abstract: Abstract: Quantum computer is an emerging technology. The quantum computer is based on quantum physics, as like the quantum particles. The normal computers work on two states 0 and 1 but this quantum computers work on three states 0, 1, 0 or 1. These quantum computers are used in the system where very high speed is required. But in present scenario, this computer is not developed.Keywords: Qubits, QuAIL, D-wave, quantum …
Published in Journal of Open Source Developments · Vol. 6, Issue 3, 2019 · pp. 19–22 Read article
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Comparison of Various Load Balancing Algorithms in Cloud Computing
Abstract: The components associated with distributed computing are customers, datacenter and appropriated server. One of the principal issues in distributed computing is load adjusting. Adjusting the heap intends to circulate the outstanding task at hand among a few hubs uniformly so no single hub will be overburden. Burden can be of any kind that is it very well may be CPU load, memory limit or system load. Right now, introduced a …
Published in Recent Trends in Parallel Computing · Vol. 8, Issue 2, 2021 · pp. 1–5 Read article
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Effects of Cluster Computing on Big Data Analysis and Network Topology
Abstract: The rapid expansion of big data has posed substantial difficulties for conventional computing systems. As a result, cluster computing has grown to be a potent method for effective large data processing. Cluster computing involves multiple interconnected nodes functioning as a unified system, pooling together their processing, storage, and memory resources. These nodes are typically connected through high-speed networks such as ethernet or InfiniBand, facilitating efficient data sharing and communication among …
Published in International Journal of Algorithms Design and Analysis Review · Vol. 1, Issue 1, 2023 · pp. 31–39 Read article
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A Novel Hybrid Link Prediction Algorithm for E-Commerce Recommender System Based upon Common Neighbor and Resource Allocation Methods
Abstract: Link prediction is a challenging task in recommender systems, as it requires the ability to accurately predict future links between users and items. In this study, we propose a novel hybrid link prediction algorithm for e-commerce recommender systems that combines the common neighbor and resource allocation methods. The common neighbor method is a straightforward and intuitive algorithm that calculates the number of shared neighbors between two nodes. The intuition is …
Published in International Journal of Data Structure Studies · Vol. 1, Issue 1, 2023 · pp. 12–17 Read article
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Strategic Enhancement of Composite Strength Explored Through Comprehensive Integration of Flax Fiber and Cenosphere in Epoxy Resin Matrices
Abstract: The Current research delves into the mechanical attributes of composite specimens, integrating flax fiber and cenosphere fillers within an epoxy resin matrix catalyzed by K-6 hardener. Executing a meticulous approach involving a vacuum bagging method and a specific formulation of 10 wt.% cenosphere, 50% epoxy resin, and 40% flax fibers, the study rigorously scrutinized tensile and flexural strengths. Notably, the first specimen exhibited a peak tensile strength of 94.329 MPa, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 199–217 Read article
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Enhancing Mechanical and Durability Performance of Composite Material Using Egg Shell Powder and Copper Slag.
Abstract: This research aims to investigate the use of copper slag (CS) and Egg Shell Powder (ESP) as partial substitutes in polymer composite to enhance mechanical properties and durability. Considering that the construction sector is recognized for consuming a significant amount of resources in comparison to other industries, its further expansion poses a direct danger to resource availability. This could disrupt ecosystems, lower biodiversity, and have an effect on riverine and …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 1–7 Read article
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Properties of Binary Waste Based Geopolymer Concrete Composite: A Review
Abstract: Concrete composite as construction material is utilized all over the world and it is not considered as eco-friendly because cement is provided as a binder in it. Therefore, replacing binder in concrete composite by alumina and silica rich by-products in presence of chemical activators give rise to geopolymer concrete composite which is eco-friendly in nature. Geopolymer concretes composite can be used to build a variety of structural configurations, have a …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 44–52 Read article
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Comparative Study of Mechanical Properties of Sisal/Epoxy, Fiber/Glass Epoxy, Sisal/Fiber Glass/Epoxy Composites
Abstract: The rate at which non-renewable resources are consumed increases, the research of using eco-friendly and sustainable materials has been in the spotlight lately. The companies from different industries are trying to find replacements for traditional synthetic materials to limit their environmental impact and promote sustainable eco-friendly initiatives. One such approach is the usage of natural fiber polymer composites as it provides a biodegradable and renewable structural alternative over traditional synthetic …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 1–11 Read article
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A Comprehensive Review on Piezoelectric Composites for Energy Harvesting and Sensing
Abstract: The capacity of piezoelectric composites to transform mechanical energy into electrical energy and vice versa has drawn a lot of interest recently. This property makes them very appealing for use in energy harvesting and sensing applications. These materials combine the high piezoelectric performance of ceramics with the mechanical flexibility and processability of polymers or other matrices, enabling a wide range of practical uses in flexible electronics, wearable systems, and embedded …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 1, 2025 · pp. 19–24 Read article
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Red Earth Development of a Soil-Based Composite Using Bagasse Ash and Lime: Effects on Plasticity and Compaction Characteristics of Red Earth
Abstract: The concept of sustainable soil composites (SSC) emerges through blending red earth with bagasse ash (BA) and hydrated lime to enhance geotechnical properties and enable productive reuse of agro-industrial waste. Red earth functions as the matrix, BA acts as a fine pozzolanic microfiller, and lime serves as the chemical binder. BA content ranges from 0% to 60%, with 10% identified as optimal; subsequent lime additions from 1% to 5% evaluate …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1147–1158 Read article
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Design and Computational Analysis of Hybrid Carbon Fiber-Enhanced Metal Matrix Composite Spur Gears
Abstract: The automobile industry has to find the alternative solution for steel grade gears to overcome the weight to high strength ratio and thermal consideration with high damping properties. This study describes the design, FEM analysis, and performance evaluation of three new hybrid composite spur gears: a monolithic carbon fiber/epoxy (80/20 weight percent) composite (A), and two hybrids with steel (B) and aluminum (C) matrices (64% CF, 21% Epoxy, 15% metal). …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 158–172 Read article
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Comprehensive Review of Composite Materials: Classification, Manufacturing Methods, Mechanical Behavior, Failure Modes, and Emerging Applications
Abstract: Composite materials have emerged as one of the most significant classes of engineered materials due to their ability to deliver high strength to weight ratios, enhanced durability, and tailored multifunctionality. Over the past two decades, rapid progress in polymer chemistry, advanced reinforcement architectures, additive manufacturing, and automated fabrication has expanded the applicability of composites across aerospace, automotive, biomedical, civil, and renewable energy sectors. This paper provides a comprehensive review of …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 923–939 Read article
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Thermal Dissipation Performance of Metal–Polymer Composite Heat Exchanger for Enhanced Thermal Management in Compact Electric Geysers
Abstract: Most electric geysers these days are made from all-metal stuff, like stainless steel tanks and copper coils for heating, plus mild steel on the outside. Standby heat losses can be 20 to 40 watts, and a 15-litre unit weighs around 6 to 8 kilograms. Manufacturing costs are higher, too. Hard water makes it worse, with limescale building up on the heating elements and cutting thermal conductivity by 10 to 30 …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 618–651 Read article
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AI-Based Discovery of High-Performance Energy Storage Polymer Composites: A Comprehensive Review
Abstract: The accelerating global demand for high-performance energy storage systems has stimulated significant research into advanced polymer composites as next-generation electrolytes, electrode binders, and functional membranes for batteries, supercapacitors, and photovoltaic devices. However, the vast compositional and structural design space of polymer materials presents formidable challenges for conventional trial-and-error discovery strategies, which remain slow, costly, and biased by prior expert knowledge. Machine learning (ML) and artificial intelligence (AI) have emerged as …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1083–1097 Read article
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Innovative Synthesis Techniques and Comprehensive Mechanical Characterization of Biopolymer-Based Composites for Advanced Applications in Biochemistry and Materials Sciences
Abstract: Biopolymer-based composites have gotten a lot of attention lately because they could be used in biology and materials science in interesting ways. The main goal of this study is to come up with new ways to make composites and then fully characterize their material properties so that they can be used in more advanced ways. During the production step, a new method is used that combines green chemistry ideas with …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 119–136 Read article
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Comprehensive Study on the Mechanical and Tribological Response of Waste Tyre Rubber–Natural Fiber Hybrid Epoxy Composites
Abstract: Research into the mechanical and tribological characteristics of Prosopis juliflora-fiber reinforced epoxy-matrix composites with recycled tyre rubber particles is the focus of this investigation. Making use of old tire rubber and bio-reinforcing with fibers from the common invasive plant Prosopis juliflora are the goals of the two-reinforcement techniques. The end goal is to produce long-lasting, cost-effective engineered composite materials with improved performance. A constant epoxy resin matrix was used to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 154–161 Read article
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A Comprehensive Study of Special Forces Defense Gloves for Combat Applications
Abstract: The objective of the endeavor is to improve personal defense features by creating and utilizing a multipurpose glove. This glove gives users a complete defensive system by combining a number of cutting-edge technologies. First of all, the glove has an electric shock mechanism that allows the wearer to stun would-be attackers without slaying them. This characteristic can help in self-defense scenarios and acts as a deterrent. Furthermore, the glove has …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 3, 2023 · pp. 6–11 Read article
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Chi-Square Statistic and Principal Component Analysis Based Compressed Feature Selection Approach for Naïve Bayesian Classifier
Abstract: Many of the machine learning algorithms are based on an assumption of attribute independency and often used in domains where the assumption doesn’t hold true. Naïve Bayesian (NB) classifier makes assumption that all the features are conditionally independent given the class labels; In this paper, attribute dependencies were analyzed using Chi-Square test and the Principal Component Analysis (PCA) was carried out on the whole dataset to get a set of …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 2, Issue 2, 2015 · pp. 16–23 Read article