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Open AccessArticle
6 Pages, 14,640 KB Download PDF

Antenna System Design To Increase Power Transfer Efficiency with NFC Wireless Charging Technology

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 123–128, 2022; DOI: 10.25046/aj070314
Abstract:

The NFC wireless charging feature is an extension of the NFC technology that can be implanted on wearables. The purpose of this paper is to show how to increase power transfer efficiency on both transmitter and receiver antenna systems. To demonstrate this problematic, firstly this paper gives an overview of how this NFC feature is…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Electronic Engineering (EEE))
Open AccessArticle
12 Pages, 821 KB Download PDF

Leveraging Energy Efficiency Investments: An Innovative Web-based Benchmarking Tool

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 237–248, 2021; DOI: 10.25046/aj060526
Abstract:

Energy Efficiency (EE) plays a key role in decreasing energy consumption at a European level, while it is considered as one of the most cost-efficient means to achieve carbon reduction and reinforce energy sufficiency and security. EE financing is imperative to implement measures that will lead to achieving the desired carbon neutrality and, thus, avert…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
8 Pages, 689 KB Download PDF

Efficiency Comparison in Prediction of Normalization with Data Mining Classification

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 130–137, 2021; DOI: 10.25046/aj060415
Abstract:

In research project, efficiency comparison study in prediction of normalization with data mining classification. The purpose of the research was to compare three normalization methods in term of classification accuracy that the normalized data provided: Z-Score, Decimal Scaling and Statistical Column. The six known classifications: K-Nearest Neighbor, Decision Tree, Artificial Neural Network, Support Vector Machine,…

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(This article belongs to Section Statistics & Probability (STP))
Open AccessArticle
9 Pages, 1,076 KB Download PDF

A Study of Stirling Engine Efficiency Combined with Solar Energy

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 837–845, 2021; DOI: 10.25046/aj060297
Abstract:

Fossil fuel can no longer supply the constantly spiking demands of energy around the world, hence the increasing research on renewable energies as an alternative. The Stirling Engine is an external combustion engine, giving us a wide range of heat sources: solar, nuclear. The Stirling engine makes best of use of solar sources in an…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Energy & Fuels (ENF))
Open AccessArticle
7 Pages, 1,030 KB Download PDF

Efficiency Enhancement of p-i-n Solar Cell Embedding Quantum Wires in the Intrinsic Layer

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 540–546, 2020; DOI: 10.25046/aj050367
Abstract:

A high efficiency InAs/GaAs quantum wire solar cell is modelled embedding periodic array of InAs quantum wires (QW) in the intrinsic layer. The promising low dimensional heterostructure such as Quantum Wells, Quantum Wires, Quantum Dots or Dashed (elongated Dots) based intermediate-band-gap solar cells are recently being grasped the attention for ongoing third generation solar cell…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 1,089 KB Download PDF

Low-Cost and Accurate Computational System for Efficiency Measures over Photovoltaic Arrays

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 39–45, 2019; DOI: 10.25046/aj040505
Abstract:

In this paper, we present a new Somewhat Homomorphic Encryption (SHE) scheme using computation over complex numbers. We then use Bootstrapping technique to make the scheme Fully Homomorphic (FH) and supports unbounded number of circuit depth. In addition to its homomorphic properties and security level, a main characteristic of the proposed new scheme is its…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
9 Pages, 768 KB Download PDF

A Study on the Efficiency of Hybrid Models in Forecasting Precipitations and Water Inflow Albania Case Study

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 302–310, 2019; DOI: 10.25046/aj040129
Abstract:

Climatic changes have a significant impact on many real life processes. Climacteric position of Albania makes precipitations and water inflows in HPP the main variables influencing the amount of electric energy produced in the country. Taking into account their volatility it has considerably increased the need of using hybrid models to improve the quality of…

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(This article belongs to Section Applied Mathematics (MAP))
Open AccessArticle
6 Pages, 1,324 KB Download PDF

Enhanced Ship Energy Efficiency by Using Marine Box Coolers

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 83–88, 2018; DOI: 10.25046/aj030608
Abstract:

Climate change, increasing fuel oil prices and new international regulation on ship emissions lead to more focus on shipping fuel consumption and energy efficiency. There are various solutions for improving the ship energy efficiency. In this manuscript, we aim to present a real case of energy saving by adopting the central cooling system with box…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Energy & Fuels (ENF))
Open AccessArticle
10 Pages, 1,610 KB Download PDF

Enhancing the Energy/Power Efficiency of a DC Distribution Grid for Residential Buildings via Modular Architecture of DC/DC Solid State Transformers

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 288–297, 2018; DOI: 10.25046/aj030534
Abstract:

DC power is apparently attempting to breach into the power system – the system which it once lost to the AC power paradigm. DC is already present in the generation, transmission and utilization sides of the system, leaving distribution as the only area where it has not shown any significant presence – this may be…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 2,141 KB Download PDF

A Study on Improving Security and Efficiency using Dynamic Ownership Management in Client-Side Deduplication Environments

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 267–276, 2018; DOI: 10.25046/aj030532
Abstract:

Data deduplication technology is used to improve the spatial efficiency of cloud storage. This technology is used for storing data on a cloud and omitting data uploading if the data are already present. However, various security threats may occur during the deduplication process. These security threats include poison attacks and user identity exposure through ownership.…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 754 KB Download PDF

The Impacts of Distribution Generators’ Size and Location on Power Efficiency and Voltage Profile in Radial LV Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 276–283, 2018; DOI: 10.25046/aj030428
Abstract:

This paper presents analytical methods for optimum allocation of distribution generators in a radial distribution network. The aim is to increase power efficiency and reduce loss of power. The ideal size of each distribution generator unit at the identified locations has been carefully selected by making adjustments to loss saving equations and the voltage on…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 1,933 KB Download PDF

Effects of Dielectric Properties of the Material located inside Multimode Applicator on Microwave Efficiency

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 61–66, 2018; DOI: 10.25046/aj030309
Abstract:

During microwave heating of materials, the efficiency of microwave heating depends on the materials’ dielectric property, shapes and sizes of the material, materials’ position inside the applicator, operating frequency, level of input power, specific heat capacity, number and position of waveguide over the applicator, size and geometry of applicator etc. This paper examines the effects…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Food Science & Technology (FST))
Open AccessArticle
5 Pages, 729 KB Download PDF

Using Input Impedance to Calculate the Efficiency Numerically of Series-Parallel Magnetic Resonant Wireless Power Transfer Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 38–42, 2018; DOI: 10.25046/aj030305
Abstract:

Analysis of magnetic resonant wireless power transfer systems aims to achieve maximum efficiency of the power transfer. From the analysis we wish to derive the maximum power and the frequency at which this occurs. This paper presents a method to estimate these two required values and to achieve this requires the solution of the input…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
Open AccessArticle
11 Pages, 6,699 KB Download PDF

MPC-based energy efficiency improvement in a pusher type billets reheating furnace

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 74–84, 2018; DOI: 10.25046/aj030209
Abstract:

The research reported in this paper proposes an Advanced Process Control system, denoted “i.Process | Steel – RHF”, oriented to energy efficiency improvement in a pusher type billets reheating furnace located in an Italian steel plant. A tailored control method based on a two-layer Model Predictive Control strategy has been created that involves cooperating modules.…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Automation & Control Systems (ACS))
Open AccessArticle
5 Pages, 933 KB Download PDF

A High Efficiency Ultra Thin (1.8 um) CdS/CdTe p-i-n Solar Cell with CdTe and Si as BSF layer

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 213–217, 2018; DOI: 10.25046/aj030125
Abstract:

CdTe-based photovoltaic (PV) cells provide the lowest EBPT (energy payback time) and emit less amount of GHG (green house gases) among different types of PV cells. Thus, it is very essential to enhance the efficiency of CdTe-based solar cells. A high efficiency CdTe/CdS p-i-n heterostructure solar cell is designed and the performance of the cell…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Composites in Materials Science (MCM))
Open AccessArticle
10 Pages, 1,329 KB Download PDF

Efficiency Assessment of Plasma-Aided Porous Media Surface Finishing

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 242–251, 2017; DOI: 10.25046/aj020629
Abstract:

The efficiency of a plasma-aided finishing process, namely capillary impregnation, can be predicted only by setting two basic parameters of the real wood porous surface and the actual impregnating solution – surface free energy and surface tension. In general, the following processing efficiency parameter was found and the rule is true: “The plasma aided or…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Chemical Engineering (ENC))
Open AccessArticle
7 Pages, 809 KB Download PDF

Efficiency of Photovoltaic Maximum Power Point Tracking Controller Based on a Fuzzy Logic

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1245–1251, 2017; DOI: 10.25046/aj0203157
Abstract:

This paper examines the efficiency of a fuzzy logic control (FLC) based maximum power point tracking (MPPT) of a photovoltaic (PV) system under variable climate conditions and connected load requirements. The PV system including a PV module BP SX150S, buck-boost DC-DC converter, MPPT, and a resistive load is modeled and simulated using Matlab/Simulink package. In…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 551 KB Download PDF

A High Efficiency 0.13μm CMOS Full Wave Active Rectifier with Comparators for Implanted Medical Devices

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1019–1025, 2017; DOI: 10.25046/aj0203129
Abstract:

This paper presents a full wave active rectifier for biomedical implanted devices using a new comparator in order to reduce the rectifier transistors reverse current. The rectifier was designed in 0.13μm CMOS process and it can deliver 1.2Vdc for a minimum signal of 1.3Vac. It achieves a power conversion efficiency of 92% at the 13.56MHz…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Electronic Engineering (EEE))
Open AccessArticle
14 Pages, 714 KB Download PDF

Validity and efficiency of conformal anomaly detection on big distributed data

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 254–267, 2017; DOI: 10.25046/aj020335
Abstract:

Conformal Prediction is a recently developed framework for reliable confident predictions. In this work we discuss its possible application to big data coming from different, possibly heterogeneous data sources. On example of anomaly detection problem, we study the question of saving validity of Conformal Prediction in this case. We show that the straight forward averaging…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
12 Pages, 1,302 KB Download PDF

Federated Learning with Differential Privacy and Blockchain for Security and Privacy in IoMT A Theoretical Comparison and Review

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 6, Page # 65–76, 2025; DOI: 10.25046/aj100606
Abstract:

The growing integration of the Internet of Medical Things (IoMT) into healthcare has amplified the need for secure and privacy-preserving artificial intelligence. Federated Learning (FL) has emerged as a pivotal paradigm for decentralized medical data processing; however, it still faces challenges concerning data confidentiality, trust management, and scalability. This review presents an extended theoretical comparison…

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(This article belongs to the SP19 (Special Issue on Innovation in Computing, Engineering Science & Technology 2025-26) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
13 Pages, 1,578 KB Download PDF

StradNet: Automated Structural Adaptation for Efficient Deep Neural Network Design

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 6, Page # 29–41, 2025; DOI: 10.25046/aj100603
Abstract:

Deep neural networks (DNNs) have demonstrated remarkable success across a wide range of machine learning tasks. However, determining an effective network architecture, particularly the sizes of the hidden layers, remains a significant challenge and often relies on inefficient trial-and-error experimentation. In this paper, we propose an automated architecture design approach based on structurally adaptive DNNs,…

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(This article belongs to the SP19 (Special Issue on Innovation in Computing, Engineering Science & Technology 2025-26) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 1,802 KB Download PDF

Private 5G MIMO for Cable TV IP Broadcasting

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 6, Page # 23–28, 2025; DOI: 10.25046/aj100602
Abstract:

Private 5G utilization by cable TV is expected to be an alternative to wired services, especially for multi-dwelling units and rural communal TV receiving areas. On the other hand, the 100 MHz of the sub-6 frequency band for private 5G is not sufficient for cable TV services consisting of multi-channel broadcasting and Internet, and some…

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(This article belongs to the SP19 (Special Issue on Innovation in Computing, Engineering Science & Technology 2025-26) & Section Telecommunications (TEL))
Open AccessArticle
11 Pages, 790 KB Download PDF

CIRB-Edge for Secure, Energy-Efficient, and Real-Time Edge Computing

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 5, Page # 40–50, 2025; DOI: 10.25046/aj100505
Abstract:

In this work, we present CIRB-Edge, a novel integer compression method designed specifically to overcome the limitations of traditional techniques such as Huffman coding, Delta encoding, and dictionary-based algorithms. These legacy methods often fall short in meeting the stringent requirements of secure, energy-efficient, and real-time edge computing due to their high computational overhead, memory demands,…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
6 Pages, 826 KB Download PDF

The Impact of Digitalization on Shipbuilding as Measured by Artificial Intelligence (AI) Maturity Models: a Systematic Review

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 3, Page # 15–20, 2025; DOI: 10.25046/aj100303
Abstract:

Artificial Intelligence (AI) is reshaping the global shipbuilding sector, yet existing maturity models fail to capture the domain-specific complexities of this capital-intensive industry. This study reviews over 50 AI maturity models and introduces a specialized framework tailored for shipbuilding. The proposed model outlines four progressive stages—Beginner, Innovation, Integration, and Expert—across eight key dimensions: culture, resilience,…

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(This article belongs to the SP18 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2025) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 642 KB Download PDF

A Study of the Digital Health Management Needs of the Elderly

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 2, Page # 42–48, 2025; DOI: 10.25046/aj100205
Abstract:

The purpose of this paper is to explore the feasibility and development trend of utilizing smart medical technology for chronic disease health management in older people in the context of ageing at home. As the ageing society intensifies, the elderly population faces multiple health challenges, especially the management of chronic diseases. This paper analyzes the…

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(This article belongs to the SP17 (Special Issue on Innovation in Computing, Engineering Science & Technology 2024-25) & Section Sociology and Political Science (SOC))
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