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471 articles for “computer devices”
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Harnessing the Potential of Virtual Instrumentation
Abstract: The Virtual Instrument (VI) uses custom software and hardware to create a user-defined measurement system, called a Virtual Instrument. Virtual instruments are similar to traditional instruments, such as multimeters, oscilloscopes, spectrum analyzers, and data acquisition systems. It has great flexibility, high performance, flexibility and low cost. Primarily, it consists of a personal computer or workstation, and Vi software such as LabVIEW, NI DAQmx, and MATLAB. This modular hardware includes data …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 1, 2024 · pp. 1–15 Read article
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Spin Reorientation of CoPt/AlN and Gd Films Described by Third Order Perturbed Heisenberg Hamiltonian
Abstract: Spin reorientation of experimentally synthesized CoPt/AlN and Gd films has been described using third order perturbed Heisenberg Hamiltonian. Easy axis oriented ferromagnetic thin films find potential applications in magnetic memory devices and MMIC. Spin exchange interaction energy, long range dipole interaction energy, magnetic anisotropy energies, magnetostatic energy, stress induced anisotropy and demagnetization energy were taken into account. Values of these parameters of particular bulk magnetic materials were employed for this …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 11, Issue 1, 2021 · pp. 37–45 Read article
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Analysis of Six-Pulse Bridge Circuits Including Zener and Semiconductor Diodes Part One
Abstract: This paper addresses the analysis of electronic bridge circuits including Zener and/or semiconductor diodes. The analysis is based on recently suggested models for these diodes. A compact Mathematica code written in the Versions 7.0, 11.3 and 12.2 simulating a six-pulse rectifier bridge circuit is then derived and mathematically implemented. It investigates the time-domain transient and steady-state analysis of several representative case studies. In principle, the computer simulation can yield the …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 1, 2022 · pp. 14–22 Read article
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A Study on Precision Blood Propulsion in Motor-Driven Artificial Hearts
Abstract: The development of biocompatible, energy-efficient pumping mechanisms is pivotal for advancing artificial heart (AH) technology. This study explores a motor-driven centrifugal pump designed to replicate the physiological dynamics of natural ventricles while mitigating complications associated with conventional axial and pulsatile systems. The proposed system employs a brushless DC motor with closed-loop control, integrated with pressure and flow sensors to modulate rotational speed (RPM) and generate biomimetic cardiac output. The suggested …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 · pp. 53–59 Read article
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A Study on Applications and Trust in Mobile Ad Hoc Network
Abstract: AbstractMobile ad hoc network (MANET) is a wireless network of mobility nodes; it is a self-structured network. Each device can communicate with another device, i.e. it is also a multi hop network. Some security goals are presented which are: authentication, integrity, availability, confidentiality etc. Routing protocols are declared in this paper, that are reactive, hybrid and proactive in nature. In MANET, trust will be outlined as a stage of belief, …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 4, Issue 2, 2017 · pp. 1–6 Read article
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CFD simulation of methane flow through an orifice plate
Abstract: In this paper the effects of errors in the flow rate and discharge coefficient when Methane (CH4) flow through orifice plates with flange tapping has been investigated by the Computational Fluid Dynamics (CFD). The location of vena- contracta was also estimated from CFD simulations. Outcomes of the CFD simulations are in terms of profiles of pressure and velocity. In this study a numerical investigation of the flow characteristics behavior caused …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 1–6 Read article
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3d Hand Interaction in Virtual Space
Abstract: In the realm of augmented reality (AR) and virtual reality (VR), it is necessary to facilitate users' interplay with the digital world. In virtual environments, the system will be able to track the user's hand movements in three dimensions, providing the impression that they are essentially there. The system will adopt a camera component for input, a Python library called Open-CV for real-time video streaming, and a media-pipe library to …
Published in International Journal of Optical Innovations & Research · Vol. 3, Issue 1, 2025 · pp. 13–19 Read article
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Minimizing the Synthesis Time of Nanostructured Powders in Planetary Mills using Biogeography-based Optimization (BBO) Algorithm
Abstract: A key objective in processing of nanostructured powders via high-energy ball milling is to minimize the synthesis time. This paper presents the application of biogeography-based algorithm for optimization of milling parameters in order to minimize the synthesis time of nanostructured powders in planetary mills. At first a direct relationship between the inverse of the milling time and the power of the planetary mill was established, which allows the validation of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 1, 2014 · pp. 6–18 Read article
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Optimizing Power Generation from Building Ventilation Systems: A Study on Exhaust Fan Efficiency
Abstract: Due to population growth, the world's energy consumption has increased dramatically in both wealthy and developing nations in recent years, and by 2042, it is predicted to have doubled or more. Since a few years ago, the use of innovative sustainable power sources to meet energy demands has been gradually increasing. We've chipped away at a different idea because of this. As an alternative energy source, renewable energy (RE) resources …
Published in International Journal of Electrical Power and Machine Systems · Vol. 1, Issue 2, 2023 · pp. 22–27 Read article
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CFD Investigation of Volume Fraction of Nanofluid on Heat Transfer Rate in Micro Channel Heat Sink
Abstract: AbstractNew methods of removing heat from integrated chips of the electrical devices are very important. Mini channel liquid cooling is the new method by which we can remove heat from electrical devices easily. Uses of nanofluid in the mini channel liquid cooling is the experiment study. We investigated the effect of nanofluid on the heat transfer rate. We also investigated the effect of volume fraction of a nanofluid in the …
Published in Recent Trends in Fluid Mechanics · Vol. 4, Issue 3, 2017 · pp. 1–8 Read article
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IoT-Enabled Sustainable Development: Architectures, Applications, Challenges, and Future Directions
Abstract: The Internet of Things (IoT) has developed into a powerful technology that can help tackle key global sustainability issues by enabling real-time monitoring, supporting data-based decisions, and facilitating smart automation. By interconnecting physical devices, sensors, and communication networks, IoT enables continuous data collection and analysis that supports efficient resource utilization across multiple sectors such as energy, agriculture, water management, transportation, and urban infrastructure. Through smart sensing and automated control systems, …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 13, Issue 2, 2026 Read article
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MANET Security
Abstract: AbstractA mobile ad hoc network (MANET) is a self-organization collection of wireless mobile devices that frame a temporary and dynamic wireless network with no infrastructure. It supports the nodes for direct communications with all the other nodes within their radio ranges through multiple wireless links, where the nodes are not in the direct communication range, using intermediate nodes to communicate with each other. Architecture and security issue is the most …
Published in Journal of Computer Technology & Applications · Vol. 7, Issue 2, 2016 · pp. 17–25 Read article
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Object and Person Recognition System for Blind
Abstract: Natural and man-made disasters present a wide range of challenges, which are amplified for people with disabilities. In most cases, assistive technology devices and services assist the disabled in performing daily tasks; yet, these are commonly restricted during and after disasters. One potential approach for people with vision impairment is a cost-effective wearable ‘Object detection’. The object detection provides environmental narratives while also establishing communication between the visually impaired user …
Published in Recent Trends in Programming languages · Vol. 9, Issue 1, 2022 · pp. 31–35 Read article
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Mechanical Design and Analysis of a SCO2 Renewable Energy Cycle Expansion Engine
Abstract: The development of renewable energy green technologies continue to challenge the limits on conventional hardware such as engines, compressors, heat exchangers, and generators This paper presents the results of a mechanical design and analysis of an expansion engine to be used as a renewable energy Supercritical Carbon Dioxide (SCO2) low waste heat to energy conversion device. Included in this paper are the results of a detailed mechanical design, stress analysis, …
Published in Trends in Machine design · Vol. 1, Issue 3, 2014 · pp. 34–49 Read article
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ON THE DEVELOPMENT OF REAL TIME PARCEL TRACKING AND MONITORING SYSTEM
Abstract: ON THE DEVELOPMENT OF REAL TIME PARCEL TRACKING AND MONITORING SYSTEMThe ability to track packages in real time is essential for manufacturers and customers alike. Tracking abilities for customer products and goods began as a way to provide accurate and timely information regarding the expected time of delivery. This study focused on the computing model for real-time parcel tracking and monitoring. It was designed to solve the problem in the …
Published in Journal of Remote Sensing & GIS · Vol. 9, Issue 2, 2018 · pp. 60–83 Read article
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Power-delay Product Optimal Design of Sequential Circuits Using Carbon Nanotubes
Abstract: This paper presents a power-aware high-performance design of ternary combinational and sequential circuits based on carbon nanotube field effect transistor (CNFET) using ternary logic. Carbon nanotube based field effect transistor (CNFET) are being studied extensively as a possible and promising choice for nanoscale integration and as successor to complementary metal oxide semiconductor (CMOS) devices. Ternary logic circuit has attracted substantial interest due to its simplicity, energy efficiency, and reduced interconnect …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 3, 2013 · pp. 27–36 Read article
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Implementation of Adders Using Ternary Based Multiple Valued Logic
Abstract: In today’s world VLSI chips are widely used in various branches of Engineering like Voice and Data communication networks, Digital signal processing, Computers, Commercial Electronics, Automobiles, Medicine and many more. So, there have been major advances in IC technology which have both made feasible and generated great interest in electronic circuits which employ more than two discrete levels of signals such circuits called Multiple valued logic circuits, offer several potential …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 1, Issue 2, 2023 · pp. 1–8 Read article
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Enhancing Patient Safety: Advanced Saline Monitoring Systems for Medical Precision
Abstract: As the world population is increasing, the need of health prevention is also increasing day by day. Hence, it is mandatory for everyone in this world to take care of their health properly. In these recent years, there has been rapid progress in medical care due to the technological advancements in the various fields of sensors, microcontrollers, and computers for ensuring fast recovery of patients in the hospitals. The bottle …
Published in Trends in Electrical Engineering · Vol. 14, Issue 3, 2024 · pp. 26–32 Read article
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Enhancing Road Safety: A System for Vehicular Accident Detection, Prevention, and Rescue Alerts
Abstract: The Vehicular Accident Detection, Prevention, and Rescue Alert System is a comprehensive solution aimed at bolstering road safety by integrating multiple advanced technologies. It merges drowsiness detection, alcohol level monitoring, and instant emergency alerts to mitigate accidents and expedite rescue efforts. Modern computer vision and machine learning techniques are used by the Drowsiness Detection Alarm to track driver conduct and spot drowsiness indicators. Upon detecting drowsiness, an immediate alarm is …
Published in International Journal of Solid State Innovations & Research · Vol. 2, Issue 2, 2024 · pp. 7–11 Read article
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Real-Time Deepfake Detection in Video Conferencing Systems
Abstract: Deepfake technology presents non-exemplary threats to video conferencing platforms, enabling advanced fraud, impression and misinformation campaigns worth billions annually. Current detection methods either exhibit latencies exceeding 100ms or rely on server-side cloud processing, raising privacy concerns. This paper presents DeepConfGuard, a lightweight hybrid architecture combining MobileNetV2 for spatial feature extraction, a bidirectional LSTM with attention for temporal modelling, and EfficientNetV2 for refinement. It reaches 94.8% accuracy with 85 ms end‑to‑end …
Published in International Journal of Electronics Automation · Vol. 4, Issue 2, 2026 Read article