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Open AccessArticle
9 Pages, 792 KB Download PDF

Review on Smart Electronic Nose Coupled with Artificial Intelligence for Air Quality Monitoring

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 739–747, 2020; DOI: 10.25046/aj050292
Abstract:

With the advent of the Internet of Things Technologies (IOT), smart homes, and smart city applications, E-Nose was created. Almost of gas sensors consisting the electronic nose system suffer from cross sensitivity and lack of selectivity. Coupling smart gas sensors with artificial intelligence algorithms can thus empower conventional gas sensing technologies and increase accuracy in…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 804 KB Download PDF

Stress Response Index for Traumatic Childhood Experience Based on the Fusion of Hypothalamus Pituitary Adrenocorticol and Autonomic Nervous System Biomarkers

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 317–324, 2020; DOI: 10.25046/aj050140
Abstract:

Stress occurring in the early days of an individual was often assumed to cause several health consequences. A number of reports indicated that having to deal with unfavourable events or distress situation at a young age could tweak stress responses leading to a broad spectrum of poor mental and physical health condition. Therefore, changes identified…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Behavioral Sciences (BHS))
Open AccessArticle
4 Pages, 392 KB Download PDF

Design and Optimization of ZnO Nanostructured SAW-Based Ethylene Gas Sensor with Modified Electrode Orientation

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 263–266, 2020; DOI: 10.25046/aj050133
Abstract:

Here the work approaches the detection of fruit maturity level. In addition, a gas sensor is proposed to obtain better sensitivity to know the level of ethylene gas released from matured fruit. Better sensitivity can be achieved by obtaining an enhanced active area, changing the intermediate layer thickness and the pitch value of the electrode.…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Instruments & Instrumentation (IIN))
Open AccessArticle
8 Pages, 4,006 KB Download PDF

SiC-FET Gas Sensor for Detecting Sub-ppm Gas Concentrations

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 151–158, 2020; DOI: 10.25046/aj050120
Abstract:

This paper describes a silicon carbide-field effect transistor (SiC-FET) gas sensor that is able to detect NO, O2, NH3, CO, and SO2. The gate of the sensor FET is a gas detection layer that consists of yttria-stabilized zirconia, nickel oxide, and platinum. The threshold voltages of the sensor depend on the target gas concentration, measurement…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 2,685 KB Download PDF

Windowing Accuracy Evaluation for PSLR Enhancement of SAR Image Recovery

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 48–57, 2020; DOI: 10.25046/aj050107
Abstract:

Synthetic aperture radar (SAR) is an imaging device mounted on a moving platform. Its ability to identify a weak target from a nearby strong one depends upon the peak side lobe ratio (PSLR). This paper is intended to ameliorate such important ratio through the use of windowing of the transmitted pulse and studying the noise…

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(This article belongs to Section Aerospace Engineering (EAR))
Open AccessArticle
9 Pages, 292 KB Download PDF

Green Inventory Supply Chain Model with Inflation under Permissible Delay in Finite Planning Horizon

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 123–131, 2019; DOI: 10.25046/aj040516
Abstract:

Trade credit is an important cost reduction tool in the inventory management. The effect of trade credit is studied on the integrated system for sharing the cost benefits realized due to the permissible delay. Credit term factor is introduced to divide the cost benefits between the retailer and the supplier. The various costs in the…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Engineering Management (EMM))
Open AccessArticle
18 Pages, 1,256 KB Download PDF

Material, Structural Optimization and Analysis of Visible-Range Back-Illuminated OPFET photodetector

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 485–502, 2019; DOI: 10.25046/aj040459
Abstract:

High gain-bandwidth product and visible/UV contrast photodetectors are vital in Visible Light Communication (VLC) and Ultraviolet (UV) reflectance imaging applications respectively. We adopt material and structural optimization to perceive such photodetectors with back-illuminated Optical Field Effect Transistor (OPFET) wherein any potential difference in absorption coefficient of the semiconductor material between the visible and the UV…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Multidisciplinary Materials Science (MMU))
Open AccessArticle
9 Pages, 3,342 KB Download PDF

A Perceptually Optimized Embedded Image Coder and Quality Assessor Based Both on Visual Tools

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 230–238, 2019; DOI: 10.25046/aj040428
Abstract:

In this paper, we propose a new Perceptually Optimized Embedded Zero Tree Image Coder EVIC and its improved version MEVIC. The coder presents a new perceptual model to weight wavelet coefficients to enhance SPIHT embedded coding. The new visual coder aims to improve the visual quality obtained by the reference SPIHT coder for a given…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Telecommunications (TEL))
Open AccessArticle
12 Pages, 1,659 KB Download PDF

Early Detection of Alzheimer’s Using Digital Image Processing Through Iridology, An Alternative Method

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 126–137, 2019; DOI: 10.25046/aj040317
Abstract:

Over the years, alternative medicine has carried out numerous systematic studies related to the ophthalmological field, specifically the eye. Studies that propose as support of analysis to the Iridology, which studies the alterations of the iris in correspondence with the organs of the human body. Thus, it presents the opportunity to investigate neuronal diseases related…

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(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 1,073 KB Download PDF

A Novel MICS Receiver with FSK Dual Band Demodulator

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 64–71, 2018; DOI: 10.25046/aj030509
Abstract:

A low-complexity dual-band chirp FSK, direct conversion receiver is described in this paper. The receiver is dedicated to be used in the transceiver unit of a medical implantable wireless sensor. The system uses the RF band between 402 and 405 MHz. Two sub-bands frequencies employing chirped pulses are assigned for both binary information. The novelty…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Telecommunications (TEL))
Open AccessArticle
5 Pages, 1,162 KB Download PDF

An Optical-based Fingertip Force Sensor

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 23–27, 2018; DOI: 10.25046/aj030504
Abstract:

This work introduces the design and prototype development of a novel optical-based fingertip force sensor, which is integrated in a bio-mimetic finger for robotic and prosthetic manipulation. Given the optical nature of the sensor, the proposed device is free of any electrical and metal components. Accordingly, the design improves manipulation of objects with high electromagnetic…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Robotics (ROB))
Open AccessArticle
6 Pages, 810 KB Download PDF

Textural Analysis of Pap Smears Images for k-NN and SVM Based Cervical Cancer Classification System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 218–223, 2018; DOI: 10.25046/aj030420
Abstract:

Early detection and treatment of cervical cancer is crucial to patients’ recovery with a reported success rate of nearly 100%. Presently, Pap smear test which is a visual inspection of cells collected from the ectocervix is the screening tool mainly used in cancer prevention programs. The Pap smear is relatively easy to handle however, it…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 1,002 KB Download PDF

A new color image encryption algorithm based on iterative mixing of color channels and chaos

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 5, Page # 94–99, 2017; DOI: 10.25046/aj020515
Abstract:

In this paper, we present a novel secure cryptosystem for direct encryption of color images, based on an iterative mixing spread over three rounds of the R, G and B color channels and three enhanced chaotic maps. Each round includes an affine transformation that uses three invertible matrices of order 2 _ 2; whose parameters…

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(This article belongs to Section Applied Mathematics (MAP))
Open AccessArticle
8 Pages, 1,409 KB Download PDF

Smartphone Based Heart Attack Risk Prediction System with Statistical Analysis and Data Mining Approaches

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1815–1822, 2017; DOI: 10.25046/aj0203221
Abstract:

Nowadays, Ischemic Heart Disease (IHD) (Heart Attack) is ubiquitous and one of the major reasons of death worldwide. Early screening of people at risk of having IHD may lead to minimize morbidity and mortality. A simple approach is proposed in this paper to predict risk of developing heart attack using smartphone and data mining. Clinical…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 1,323 KB Download PDF

A Novel Approach to Sensor and Actuator Integrity Monitoring and Fault Magnitude Reconstruction

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1748–1757, 2017; DOI: 10.25046/aj0203214
Abstract:

This paper proposes a novel approach to sensor and actuator integrity monitoring in a dynamic system. Multiple sensor and actuator faults can be detected. Furthermore, faulty sensors and actuators are isolated by contribution analysis. Most importantly, fault magnitudes can be correctly estimated and failed sensors or actuators outputs can be reconstructed. The proposed approach is…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Automation & Control Systems (ACS))
Open AccessArticle
6 Pages, 681 KB Download PDF

Aviation Navigation with Use of Polarimetric Technologies

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 67–72, 2017; DOI: 10.25046/aj020310
Abstract:

The article deals with the problem of increasing the accuracy of determination of aircraft’s navigation flight parameters. Increasing the accuracy and sensitivity of navigation parameters determination will improve the efficiency of air conveyance by optimizing the flight trajectories and reducing the flight time and simultaneously will ensure the sufficient level of air conveyance safety. The…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Aerospace Engineering (EAR))

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