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387 articles for “frequency-based”
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Theoretical and Experimental Investigation of Non-linear Vibration Response of an IPMC Actuator Subjected to Alternating Electric Potentialf
Abstract: The precise predication of stable and unstable zone for an applied excitation voltage and frequency is of importance in many micromechanical systems utilizing ionic polymer metal composite (IPMC) as the actuator. A linear dynamic model thus will no longer be valid for IPMC actuator having low thickness and thus more flexible. In this article, non-linear vibration characteristics of a silver (Ag) based IPMC actuator is studied under alternating electric potential …
Published in Journal of Mechatronics and Automation · Vol. 1, Issue 1, 2014 · pp. 11–26 Read article
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Performance Enhancement of Laser based Modern Railway Mobile Platform Crossing System
Abstract: AbstractIn this work, the modern railway mobile platform crossing system is improved through the proper computation of GaInP based 635 nm multiple quantum well red laser maintaining the perfect peak intensity of the power which is achieved at 635 nm. By analyzing the performance of the designed Ga0.5In0.5P/ (Al0.5Ga0.5)0.5In0.5P edge emitting laser the peak material gain is obtained. Sustaining threshold current of 6.7 mA, a maximum resonance frequency of 10 …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 1, 2014 · pp. 23–28 Read article
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Steady State Visual Evoked Potential Based Brain Computer Interface System
Abstract: The steady-state visual evoked potential (SSVEP) is a brain response that can be measured by an electroencephalogram (EEG) when a subject looks at periodic luminance- or contrast-modulated stimuli. In this study, flickering Light Emitting Diode (LED) is used as visual stimulation. Mostly, brain response is recorded using an electroencephalograph (EEG) and recorded in the brain's occipital lobe which is associated with human vision. The study encompasses key stages, beginning with …
Published in Current Trends in Signal Processing · Vol. 13, Issue 3, 2023 · pp. 35–43 Read article
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PERFORMANCE ANALYSIS REGARDING SERVICE LEVEL FOR BRTS AND JAIPUR METRO
Abstract: Most of the Indian cities are struggling to provide adequate public transport system. To enhance the mobility of travel it is mandatory to reduce the use of personalized vehicles. Jaipur is the capital of Rajasthan and one of the fastest growing metro cities. Presently there are two types of mass transit system in the city one is Metro Rapid Transit System (MRTS) referred as Metro trains and Bus Rapid Transit …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 26–33 Read article
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A Review on Social Distancing ID Card
Abstract: The frequency of fire accidents in homes, industries, and public spaces has increased due to electrical faults, human negligence, and flammable materials. Traditional fire-fighting systems often depend on human presence and manual intervention, which delays the response time. To overcome this limitation, this project presents an Automatic Fire Extinguisher System based on Arduino and IoT technology for real- time detection and suppression of fire. Gas, temperature, and flame sensors are …
Published in Current Trends in Signal Processing · Vol. 16, Issue 2, 2026 · pp. 28–38 Read article
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An Efficient Recursive Least Square (ERLS) Algorithm for Spectral Estimation with the Aid of Wavelet and Artificial Intelligence
Abstract: The spectral estimation technique is used for time frequency signal analysis, speech processing, and other signal processing applications. Some drawbacks of RLS algorithm are that it requires high computational power and the output obtained is numerically instability. So, the spectral efficiency of the signal is affected and a power error occurs in the estimator. In this paper, an efficient recursive least square (ERLS) algorithm is proposed for improving the power …
Published in Current Trends in Signal Processing · Vol. 2, Issue 1-3, 2012 · pp. 1–10 Read article
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The Comprehensive Study of Gallium Nitride (GaN) Semiconductor Technology
Abstract: Silicon is an important material in the field of semiconductors because of its special qualities. It has good semiconductor properties, is affordable, and can be found easily. However, it is becoming clear that silicon-based devices are reaching their limits in terms of what they can do. As a result, the search of alternative materials has been initiated. Gallium Nitride (GaN) is one such material. GaN is a type of semiconductor …
Published in Journal of VLSI Design Tools and Technology · Vol. 13, Issue 2, 2023 · pp. 1–11 Read article
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Treatment of Migraine with Aura (Ardhavabhedaka) by Nasya and Shanshaman Chikitsa: A Case Study
Abstract: The most popular and efficient system of allopathic medicine provides quick response for the pain and other symptoms, but does not provide the complete treatment. My focus is the study of headache/migraine (ardhavabhedaka) with alternative line of treatment such as Ayurveda, because this stream is complete and provides holistic approach. A 42 year old male patient having complaints of recurrent severe headache and vomiting since 15 years, and diagnosis was …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 6, Issue 2, 2017 · pp. 12–15 Read article
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Music on Mind and Body: A Simultaneous EEG and EMG Study to Quantify Emotions from Hindustani Classical Music
Abstract: With the advent of various techniques to assess the bioelectric signals on the surface of the body, it has become possible to develop various human-computer interface systems. In this study, for the first-time a cross- correlation based data is reported for two-different types of bio-signals viz. EEG (Electroencephalography) and EMG (Electromyography). Whereas EEG refers to the neuro-electric impulses generated in the brain recorded in the form of electric potentials, EMG …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 9, Issue 2, 2019 · pp. 27–38 Read article
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Optimized Hardware Realization of AES for High-Throughput FPGA Platforms
Abstract: The Advanced Encryption Standard (AES) is the predominant symmetric-key cryptographic algorithm used for securing digital communication across embedded systems, IoT devices, cloud infrastructures, and defense networks. Although software-based AES implementations offer flexibility, they often fail to meet the high-speed, low-latency, and energy-efficient requirements of modern real-time applications. Reconfigurable hardware platforms such as Field-Programmable Gate Arrays (FPGAs) provide a powerful alternative by enabling architectural customization, intrinsic parallelism, and optimized hardware acceleration. …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 2, 2025 · pp. 11–22 Read article
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Strategies for Efficient Integration of Distributed Energy Resources into Microgrid Systems
Abstract: With the growing integration of Distributed Energy Resources into modern power systems, the global energy landscape is changing. Some of the DERs are solar photovoltaic (PV), wind turbines, battery storage systems, combined heat and power (CHP) units, and electric vehicles (EVs). Some of the advantages include lower transmission losses, better energy efficiency, and more resilience to grid failures. However, the far-reaching integration of DERs carries with it considerable technical, economic, …
Published in Journal of Power Electronics and Power Systems · Vol. 15, Issue 3, 2025 · pp. 51–56 Read article
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Sustainable Energy Integration: A Holistic Review of Microgrid Advancements and Future Prospects
Abstract: The escalating global energy crisis, coupled with growing apprehensions about fuel depletion, electricity scarcities, and the escalating threat of global warming, underscores the urgency of seeking sustainable solutions. Clean and renewable energy sources such as solar and wind power offer potential remedies through distributed generators. Microgrids, positioned as crucial interfaces linking power generated by distributed generators based on renewable energy resources to the broader power system, have emerged as a …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 3, 2023 · pp. 40–48 Read article
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Enhancing Chatter Resistance in Deep Hole Boring Through Modified Tool Design: A Study on Impact of Length-To-Diameter (L/D) Ratio
Abstract: Deep hole boring is a specialized machining process crucial for creating precise bores with high length-to-diameter (L/D) ratios, particularly vital in aerospace, automotive, and oil and gas industries. The L/D ratio is pivotal for stability and performance. Chatter, a detrimental vibration phenomenon, is a significant concern in deep hole boring, influenced by the L/D ratio. Higher L/D ratios increase chatter, leading to poor surface finish and reduced tool life. Longer …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 2, Issue 2, 2024 · pp. 24–33 Read article
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Knowledge On Biomedical Waste Management Among II Year GNM Students At Dr.B.R.Ambedkar Institute Of Nursing,Bengaluru
Abstract: Objectives: To assess the knowledge on Biomedical waste management among II Year GNM Students at Dr.B.R.Ambedkar Institute of Nursing,Bengaluru.”To associate the knowledge on Biomedical waste management among II Year GNM Students with their selected demographic variables.Hypothesis: There will be a significant association between the level of knowledge on biomedical waste management among II Year GNM Students with their selected demographic variables.Conceptual framework: The conceptual framework based on Health Belief Model, …
Published in Research and Reviews: A Journal of Health Professions · Vol. 13, Issue 3, 2023 · pp. 52–69 Read article
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The Transient Performance of Power Line Towers
Abstract: This paper presents a refined approach to the transient analysis of power line towers. Each section of the tower’s steel structure is accurately modeled as a non-uniform transmission line. Among other features, an efficient representation of the towers’ cross-arms as open-ended non-uniform lines and their subsequent approximation by lumped capacitors will be explored. Furthermore, the error introduced by neglecting the presence of the cross-arms, as well as the effect of …
Published in Trends in Electrical Engineering · Vol. 3, Issue 2, 2013 · pp. 20–28 Read article
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Investigation of Migraine
Abstract: Individual's medical history, and any potential side effects that may occur. It is also important to consult with a healthcare provider before beginning any new treatment plan, as they can provide guidance on the best course of action based on the individual's specific needs and circumstances. In addition to medication, individuals with migraines can explore various treatment avenues. Lifestyle modifications, such as incorporating regular exercise, maintaining a healthy diet, managing …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 14, Issue 1, 2024 · pp. 38–45 Read article
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Energy-efficient HVAC System with Decision Tree Classifier and Real-time SMS Notification
Abstract: This research paper explores the design and implementation of an energy-efficient heating, ventilation, and air conditioning (HVAC) system aimed at optimizing energy consumption and enhancing operational efficiency. The system incorporates high-efficiency components, including axial flow fans, motors, and intelligent variable frequency drives, achieving an overall system efficiency of up to 85%. By utilizing both static and dynamic pressures, the HVAC system operates more effectively under varying conditions compared to traditional …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 2, Issue 2, 2024 · pp. 29–34 Read article
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Self-Powered Piezoelectric Nano-Polymer Networks with Embedded Wireless Nodes for Distributed IoT Sensor Platforms
Abstract: Self-powered sensing systems are emerging as a promising solution for next-generation distributed Internet of Things (IoT) platforms, where lightweight, flexible, and low-maintenance devices are required for continuous monitoring. In this work, a self-powered piezoelectric nano-polymer network based on poly-vinylidene fluoride (PVDF) reinforced with BaTiO₃ nanoparticles and multiwalled carbon nanotubes (MWCNTs) was developed for flexible wireless sensing applications. The composite was designed to combine mechanical flexibility, enhanced piezoelectric response, and real-time …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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High Speed and Low Area Energy Efficient FPGA Implementation using RSD based Elliptic Curve Cryptography
Abstract: In this paper we will study high speed energy efficient FPGA implementation using redundant sign digit elliptic curve cryptography. In existing system to design processor with high area and low speed computation process so that we proposed to low area with high speed computation using Elliptical cryptography processor. Here we use redundant signed digit to reduce the overhead due to computations. For modular arithmetic operation for multiplication, we used Karatsuba-Ofman …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 2, 2017 · pp. 45–50 Read article
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Prevalence of Depression and Associated Factors among Ophthalmic Patients in Mekelle Quiha General Hospital Ophthalmic Clinic: A Cross-Sectional Study in North Ethiopia
Abstract: For people with ophthalmic disorders, depression is a very common problem. In Ethiopia, no study assessed the severity and related depression factors among ophthalmic patients. The research thus aimed at assessing the prevalence and factors associated depression in people with eye disease. From March 1–30, 2019, the institution-based cross-sectional study layout was conducted among 281 participants at the Mekelle Quiha General Ophthalmic Hospital. Data were collected using the Depression Patient …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 10, Issue 1, 2020 · pp. 1–8 Read article