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1475 articles for “Performance”
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Analysis of Prefluxing Method for Transformer Inrush Current Reduction
Abstract: Inrush Current is a harmonic-rich current which flows in transformer when it is energized. Inrush current affect the winding of transformer by means of its structural deformation, induce the voltage distortion, and reduce the power quality. There are number of methods available for transformer inrush current’s reduction. Among them, the latest and emerging method is the prefluxing method. In this paper, same has been explained with its results of simulations …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 1, 2022 Read article
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A Review: Solar Power Collector
Abstract: Thermal applications and power generation from solar radiation are emerging rapidly as the world continues to look for future energy sources in addition to conventional sources. Solar thermal collectors are one of the basic requirements for converting the sun's energy into usable forms. These collectors are divided into two groups, non-concentrated solar thermal collectors and concentrated solar thermal collectors. The objective of this report is to review 'Solar Flat Plate …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 2, 2022 · pp. 43–49 Read article
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Power Factor Improvement in Single Phase System Using Active Front End Converter
Abstract: There are some major drawbacks of conventional front end converter like low power factor and high harmonic content. Hence, there is a continuous need for power factor improvement and reduction of line current harmonics. Development of new circuit topologies and control strategies for Power Factor Correction (PFC) and harmonic reduction has become still more essential with the introduction of strong technical IEC standards. This work is based on the difference …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 2, 2022 · pp. 24–34 Read article
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Efficient Control Strategies for Multiphase Interleaved Boost Converter in Photovoltaic Systems: A Modeling and Simulation Approach
Abstract: The main goal of this project is to create a Multiphase Interleaved boost converter with a solar module using the Maximum Power Point Tracking (MPPT) technique. Thus, the PV module is first examined in MATLAB with SIMULINK software. Just one diode here, a photovoltaic model is applied. The two environmental factors that have the biggest impact on PV cell properties are temperature and solar radiation. A three-phase interleaved boost converter …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 9, Issue 2, 2023 · pp. 29–48 Read article
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Denoising of Computer Tomography images using Wavelet based Multiple Thresholds Switching (WMTS) filter
Abstract: Computer Topography images are often corrupted by salt and pepper noise during image acquisition and /or transmission, reconstruction due to a number of non-idealities encountered in image sensors and communication channels. Noise is considered to be the number one limiting factor of CT image quality. A novel decision-based filter, called the wavelet based multiple thresholds switching (WMTS) filter, is used to restore images corrupted by salt-pepper impulse noise. The filter …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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A Star Shape Wideband Antenna for Microwave Energy Harvesting
Abstract: The paper proposes a Wideband star shape Microstrip Antenna, with particularly intended to wide bandwidth, small size for utilizing in microwave energy harvesting system. The antenna simulated with half ground is having a lower VSWR (Voltage Standing Wave Ratio) of 1.1 at a design frequency of 3.55 GHz, and a 2:1 VSWR bandwidth of 3.267GHz achieved. The structure of antenna is finally decided after analyzing various dimensional effects on bandwidth, …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 27–31 Read article
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Effects of Introducing Slots in Rectenna
Abstract: Wireless power is turning out to be a promising technology in near future. This would not only be an alternative to batteries and wired supply, but also protect our environment from the harmful effects of batteries. In this paper analysis of introducing slots in the rectenna is studied. An experimental RF energy harvesting system to transmit wireless powers using microwaves is designed and then effects of slot loading on the …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 32–38 Read article
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Communication Channel Model between Two Neighbors in UAV Networks
Abstract: Unmanned Aerial Vehicle "UAV" networking is evolving as a major state of the art research field, thanks to the foreseen revolution in its applications. Enhancing the performance of such networks requires developing a channel model between any couple of neighbors within the UAV network. In this paper, we present a statistical signal reception model for the shadowed communication channel between two neighbors in a UAV network. In this model, we …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 2, 2015 · pp. 11–27 Read article
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A Novel Approach of Low Power Routing Protocol for Mobile Ad-Hoc Networks
Abstract: The Energy management issues are very important in the context of MANET. The node energy needs to be optimally utilized so that the nodes can perform their functionality satisfactorily. MANETs are energy constrained as most Ad-Hoc nodes today operate with limited battery power. So, it is important to minimize energy consumption of the entire network in order to maximize the life time of the network. Hence, a new on-demand routing …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 2, 2015 · pp. 39–44 Read article
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ADAPTIVE NOISE CANCELLATION USING NORMALIZED LMS ALGORITHM
Abstract: ABSTRACT An adaptive filter is a digital filter that self adjusts its transfer function according to an optimizing algorithm. There are a number of optimizing algorithms available, but the performance, simplicity and stability of LMS algorithms outweigh other algorithms, thus LMS algorithm have become increasingly popular. The digital filter structure used in adaptive filtering is usually FIR with transversal or tapped delay line realization. Adaptive filtering is one of the …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 2, 2015 · pp. 45–58 Read article
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Model Simulation & Resource Allocation in Cognitive Radio System
Abstract: Cognitive radio is the technique where different sorts of wireless communication devices work dynamically and change frequencies and other parameters over time. The idea of cognitive radio (CR) is to find means to use these “gaps” or “holes” in the frequency spectra and do something useful of the frequencies floating around unused and the goal of cognitive radios is to utilize under used spectrum as spectral resources are becoming sparts. …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 2, Issue 1, 2016 · pp. 14–17 Read article
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Implementation of OFDM Using MATLAB and VHDL
Abstract: Orthogonal Frequency Division Multiplexing (OFDM) could be a digital transmission technique developed to fulfil the growing demand for higher information rates transmission of voice and video signals, which might be utilized in each wired and wireless environments. During a basic communication system, the information is modulated onto one carrier frequency. The obtainable information measure is then completely occupied by every symbol. This sort of system will result in inter-symbol-interference (ISI) …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 2, Issue 2, 2016 · pp. 6–16 Read article
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Simulation and Analysis of 6 Antenna Array at 0.9 GHz GSM Band
Abstract: In this paper comprises simulation of 0.9 GHz Antenna array as well as analysis of various parameters and performance was discussed. This array was made up of by joining 6 identical antennas in serial and parallel both manner. Non DGS technique was adopted for simulate Antenna array. The working resonant frequency of antenna array was 0.9 GHz i.e. GSM Band. The simulation of array was done with the use of …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 3, Issue 1, 2017 · pp. 52–57 Read article
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Enhance the Efficiency of Mobility Model by Using K-Means Algorithm in Mobile Ad Hoc Network
Abstract: Mobile ad hoc network is one of the growing fields of research. There are lots of work done in this field but movability still a concerning area for ad hoc network. There is no need to maintain wired infrastructure and easy to maintain. Nodes are free to communicate and can move at any direction without taking others opinion. In this study, we introduced mobility models for the portability example of …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 4, Issue 2, 2018 · pp. 23–30 Read article
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A Meandered Spiral Antenna for Operation in the X-band
Abstract: This study proposes a wideband meandered spiral antenna based on microstrip technology for optimal operation in the X-band (8 GHz to 12 GHz). This design is based on a two-arm Archimedean spiral antenna with a coaxial feed line. This antenna exhibits good performance for operations in the X-band. This antenna was simulated with FR-4 being used as the dielectric and copper for the metallization and ground plane. This antenna was …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 4, Issue 2, 2018 · pp. 15–19 Read article
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Diffie–Hellman Key Exchange Protocols Enhanced
Abstract: ABSTRACT Conversation is the crucial element in any type of network for making it viable to transfer data from one node to another. Conversation needs first-rate and security for higher performance and for acceptance of users and customer organizations. Value is dependent on length and some different elements of network but protection is very concern parameter in network as it is independent of network size and complexity. Security has come …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 5, Issue 1, 2019 · pp. 1–5 Read article
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Design of Wireless Sensor Network (WSN) for Underwater Communication–survey
Abstract: ABSTRACTGenerally, we know that Communication field occupy most of the applications in the world. And also, we know the fact that ¾th part of the earth’s surface is covered by the water. Thus in order to utilize our natural resources still more efficiently, we made a survey on underwater communication. Communication and monitoring of underwater environment have been long standing challenges in a vast range of applications that are enabled …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 5, Issue 2, 2019 · pp. 32–35 Read article
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Automatic Vehicle Speed Reduction and Accident Detection System using RFID, GPS and GSM
Abstract: This research is focused on dealing one of the major problems with respect to Indian Road Safety i.e.,accidents caused due to over speeding vehicles and reckless driving near accident prone areas likehighways, hospitals, schools etc. Since the world is automating the industrial processes and practicesusing latest technologies, this project aims to further incorporate those practices in the domain ofroad safety. Through this project, we have integrated a micro controller along …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 7, Issue 1, 2021 · pp. 1–11 Read article
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Route Planning Using Vehicles' Routing Algorithms
Abstract: The term "vehicle routing problem" (VRP) refers to optimization issues in the transportation, distribution, and logistics industries. They primarily concentrate on supplying a large number of customers with a variety of cars. Function of vehicle routing problem VRP is Determine the best path from a starting point to a road map destination using route planning tools. Because road traffic circumstances (e.g., congestion level, road incidents, etc.) can change during a …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 7, Issue 2, 2021 · pp. 20–24 Read article
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Developing a Python-based Chatbot Library SansArLIB for Advanced Communication: A Comparative Study with Baseline Chatbots
Abstract: The purpose of this study was to develop and evaluate a Python-based library called "SansArLIB" for improving chatbot technology. The library was designed to provide developers with a comprehensive set of tools and resources for creating more advanced chatbots that can better understand and respond to user queries. The study involved developing the library and testing it across three different chatbot scenarios. The results showed that the SansArLIB library had …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 9, Issue 1, 2023 · pp. 1–6 Read article