F: Electrical & Electronic (302)
GJRE: F
Significance of Increasing the Receive Antenna Height in Reducing Path Loss for Hata Path Loss Model
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 2 This letter shows a significant improvement procedure to reduce the path loss for Hata Path Loss model. This can be applied for urban, suburban and open areas in different frequencies. This is completely a software based approach to determine a relation between the path loss and the height of the receiver antenna. Here it is shown that if the height of receiver antenna is increased then ...
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Authors Md. Imran Hossain Jony, Md. Ibrahim Chowdhury, Ayesha Siddika, Md. Zahid HasanRead Journal Click Here
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Page No. 15 to 17
FPGA based Solution for the Identification of RADAR Pulse Sequences for Defense Applications
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 2 The main objective of this paper is to design a generalized architecture for polyphase code identification used in RADAR signal processing applications. The proposed VLSI architecture will identify the type of a given polyphase code, amount of phase change and number of phase changes. RADAR signal processing applications require a set of sequences with individually peaky autocorrelation ...
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Authors J. Pandu , Dr. N. Balaji, Dr. C.D. NaiduRead Journal Click Here
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Page No. 7 to 13
Design of STATCOM for Power System Stability Improvement
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 2 This paper presents the model of a STATCOM which is controlled externally by a newly designed Power Oscillation Controller(POC) for the improvements of power system stability and damping effect of an on line power system. The proposed POC consists oftwo controllers(PID & POD).PIDparameters has been optimized by ZiglerNecles close loop tuning method. Machine excitation has been controller...
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Authors Sohel Hossain, Atiqur Rahman Khan, Zannat-E-NoorRead Journal Click Here
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Page No. 1 to 6
New Delay Less Sub Band Adaptive Filtering Algorithm for Active Noise Control Systems
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 1 The delay less SAF scheme in an ANC system involves the decomposition of input noise (i.e., the reference signal) and error signals into sub bands using analysis filter banks, and combining the sub band weights into a full-band noise canceling filter by a synthesis filter bank called weight stacking. Typically, a linear-phase finite-impulse response (FIR) low-pass filter (i.e., prototype...
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Authors B.Satish Chandra, S.China Venkateswarlu , D.Ravi Kiran Babu, K.Arun KumarRead Journal Click Here
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Page No. 35 to 50
Fuzzy based Estimation of Low Cost Sensor-Less Control of Brushless DC Motor
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 1 This paper proposes a design for position control of sensor-less Brushless DC (BLDC) motor drive by means of the back electromotive force (EMF) method. A fuzzy controller based on regenerative observer is employed to control the BLDC motor drive. Most of the existing sensor-less methods have low performance at transients and low speed range. The controller is designed to overcome this pr...
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Authors Mohammed S. Al-Numay, NM. Adamali ShahRead Journal Click Here
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Page No. 9 to 14
Proximity coupled Rectangular Microstrip Antenna with X-slot for WLAN Application
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 1 One of the major limitations of microstrip antenna is narrow bandwidth. Various techniques can be used to improve it’s BW. In this paper, Proximity coupling technique and X slot are employed to enhance the BW of Rectangular Microstrip antenna (RMSA). A RMSA with X slot has been designed at a frequency of 2.45GHz on FR4, one substrate and it is proximity coupled with micr...
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Authors I.V.S. Rama Sastry, Dr. K. Jaya SankarRead Journal Click Here
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Page No. 15 to 18
A 16-Band Reconfigurable Hearing Aid using Variable Bandwidth Filters
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 1 A highly re-configurable non-uniform digital FIR filter bank structure is proposed for the hearing aid application. The non-uniform spaced sub bands are realized with variable bandwidth filters (VBF). Each VBF is implemented as a combination of two arbitrary sample rate converters and a fixed bandwidth FIR low pass filter and the same can be implemented in application specific integrated...
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Authors Elizabeth Elias, James T. GeorgeRead Journal Click Here
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Page No. 1 to 7
Reducing the Vulnerability of Digital Protective Relays to Intentional Remote Destructive Impacts: Technical-and-Economic Aspects
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 1 In the article answers are given on the most important questions asked by experts regarding a new way for protecting digital protective relays from cyber attacks and intentional destructive electromagnetic impact, described by author in previous publication. ...
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Authors Vladimir GurevichRead Journal Click Here
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Page No. 27 to 34
Community based Micro Off-Grid Power System using Renewable Energy Technology (RET): Investment Analysis, Cost Benefit and Main Factors
Published In: GJRE Part: F: Electrical & Electronic Volume: 14 Issue: 1 Bangladesh is the eighth populous country in the world with the highest population density and a vast majority of its population, who are living in villages and small towns, are deprived of power. Recently some steps are being taken by the Government of Bangladesh (GoB) to bring those people under electrification who are in remote inaccessible unelectrified area where grid expansion is e...
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Authors Md. Tariqul Islam, Md. Imtiazul HaqueRead Journal Click Here
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Page No. 19 to 26
Comparative Study on DC Motor Speed Control using Various Controllers
Published In: GJRE Part: F: Electrical & Electronic Volume: 13 Issue: 17 Electrical machines like DC motors, brushless DC motors, permanent magnet DC motors are being controlled with power electronics converters. The control has become precise with invention of Micro Controllers and power devices like IGBT, Power MOSFET. In this paper the attempt is made to simulate a speed control of separately excited DC motor with PID and fuzzy controllers. The aim of deve...
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Authors K. Venkateswarlu, Dr. Ch.ChengaiahRead Journal Click Here
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Page No. 19 to 22
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Bandwidth Enhancement of Compact Rectangular Microstrip Patch Antenna
Published In: GJRE Part: F: Electrical & Electronic Volume: 13 Issue: 17 A compact single feed rectangular microstrip patch antenna using dielectric substrate 4.2, loss tangent .0012 and having substrate height of 1.6 is used. The compact antenna of dimension (14mm X 18.6mm X 1.6mm) is used and analyzed on MoM based simulating software IE3D. A probe of different radius has been taken to improve the Bandwidth of the proposed structure. Simulation results show ...
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Authors Vivek Singh Rathor, J.P.SainiRead Journal Click Here
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Page No. 13 to 18
Analysis and Design of Various Noval Microstrip Patch Antenna
Published In: GJRE Part: F: Electrical & Electronic Volume: 13 Issue: 16 In today’s modern communication industry, antennas are the most important components required to create a communication link. Microstrip antennas are the most suited for aerospace and mobile applications because of their low profile, light weight and low power handling capacity. They can be designed in a variety of shapes in order to obtain enhanced gain and bandwidth, d...
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Authors Deepak, Dhaynendra ParasharRead Journal Click Here
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Page No. 63 to 71
A Critical Performance Evaluation of Classification Methods with Modified JPEG Decompressed Multiband Images
Published In: GJRE Part: F: Electrical & Electronic Volume: 13 Issue: 16 Effective utilization of bandwidth andstorage space is important in imaging applicationsincluding remote sensing. Remote sensingapplications use multi-sensory, multi-band, multiresolution images. Usually, remote sensingapplications uses image classification results fortheir analysis and decision making. In this paper wepropose a new JPEG based image compressionalgorithm based on filters....
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Authors Ch. Ramesh, Dr. N.B. Venkateswarlus, Dr. J.V.R. MurthyRead Journal Click Here
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Page No. 41 to 55
Analysis of Series Hybrid Electric Vehicle with Auxiliary Power Unit
Published In: GJRE Part: F: Electrical & Electronic Volume: 13 Issue: 16 Hybrid electric vehicles represent a promising future direction for the transportation sector in terms of decreasing the reliance on fossil fuels while simultaneously decreasing emissions. Energy used for driving is fully or partially shifted to electricity leading to lower emission rates.In this regard, the use of a power generator and motor as the primary power source for an automobile...
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Authors AvizitBasak, M. M. Israfil Shahin Seddiqe, Md Sabbir Alam Chowdhury, Md. Khairul BasharRead Journal Click Here
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Page No. 33 to 39