Current Issues

Volume:7 Issue:9 Sep'2020

ADAPTIVE CONTROL THEORY AND RECURRENT NEURAL NETWORK BASED BLDC CONTROL SYSTEM

Abstract

Competitive advantages over AC motors make for DC motors to replace other electrical motors in applications stretching from high-speed automation to electric motorbikes. BLDC drives are very popular in many industries, at present automation are added standard, Virtual Z-source multilevel is a respectable optimal that can boost the output voltage of the drive. An novel soft computing based Recurrent Neural Network (RNN) based Virtual Z-source multilevel inverter, for BLDC motor drive control to make the system balanced when the load is unbalanced and to reduce the electrical torque pulsation. In this paper, the utilization of the RNN to tackle the selective harmonic elimination issue in INVERTER inverters is proposed. This strategy permits active voltage control of the crucial and besides concealment of a particular set of harmonics. The favorable principle position of the proposed technique is that it requires delicate processing switching angles. The scheme was actualized to assess its execution in the disposal of sounds in a inverter. The performance is evaluated in various emphasis levels of the different control models. From the outcomes, it has been demonstrated that the proposed method can achieve a reduced harmonics by relieving the predominant odd order harmonics. The results investigation has shown that the proposed RNN switching angles can keep away the higher order harmonics. Thus the created voltage waveform can keep up its harmonics free inverter. By utilizing the got Switching edges, the harmonics can be maintained a strategic distance. Thus the subjected inverter nourished BLDC can offer with not very many hazard components to the utilities. The proposed concept is analysed and implemented with MATLAB/SIMULINK software. The simulation results verify the correctness of the theories and the effectiveness of the proposed approach.

DEVELOPMENT OF STANDALONE SOLAR PHOTOVOLTAIC INVERTER WITH HARMONIC ELIMINATION TECHNIQUE

Abstract

This paper proposes a photovoltaic (PV) array based cascaded H-bridge multilevel inverter (CHBMLI) working active power filter as a shunt for four wire distribution system. This system is used for the power acclimatizing of distribution network as it is composed of linear, nonlinear and unbalanced loads. Solar Photovoltaic formed isolated source for CHBMLI. This active filter minimize line harmonics, minimize neutral wire current about to zero and it also injects real power as per requirement of the system. The grid interface and required reference signal generation is carried out with the help of Instantaneous power theory. The simulation studies are carried out in MATLAB Simulink environment

OPTIMAL WIDE BAND SINUOUS ANTENNA BASED ON DUAL-POLARIZED FEEDING METHOD FOR AEROSPACE APPLICATIONS

Abstract

The sinuous antennas have a numerous applications in military and civil systems such as direction finding systems and reflector feeds due to their superior broadband characteristics and simultaneous polarization capability. In this paper, design, construction and measurements of planar sinuous antennas are investigated for 1–5 GHz frequency range. Feeding sections of this antenna are realized by using microstrip tapered baluns. With an increase in the application of UHF frequency usage in the spacecraft sphere, it is required to extend feed capability in the lower operating frequency range of facility. In view of this, it was proposed to design and develop an UWB antenna operating in the frequency band from 200 MHz - 1 GHz so that facility measurement capabilities can be extended.In this paper, design aspects of antenna, feeding network, fabrication, pattern and gain measurement procedure are discussed. Comparison of simulated & measured pattern and gain values shows good match between them. Key words: Sinuous antenna; Microstrip tapered balun; Dualv Polarization, Advanced Design System, High frequency Structural Simulator, Radar Cross Section

DESIGN AND ANALYSIS OF CMOS LOW NOISE AMPLIFIER BASED FOLDED MICRO STRIP PATCH ANTENNA FOR WIDEBAND APPLICATIONS

Abstract

In this work, co-design of LNA and Folded micro strip patch Antenna is addressed over wide band frequency 10-20 GHz. The main motive of co-design is to relax the impedance matching on LNA as well as Antenna. Antenna designed is Micro-strip patch antenna provided with micro strip feed at the ground plane for maximum signal receiving and T-slot is provided at the center of the patch so that it provides wide range of frequency for excitement of electrons. The co-designed LNA benefits from a size, cost and noise figure reduction. The antenna input impedance has no more to fit constant and real impedance on the whole bandwidth. In the present case, this point is used to reduce dimensions. Measured results agree well with the simulated ones, giving a wide impedance bandwidth from 1.68 to 2.75 GHz, a high port-to-port isolation (better than 37 dB) within the operating frequency bandwidth, and a good radiation pattern.

ON D-ECCENTRICITY MATRIX AND D-ECCENTRICITY ENERGY

Abstract

For two vertices u and v of a graph G, d(u,v) is the length of the shortest path between u and V. D. Reddy Babu and L.N. Varma introduced the concept of D-distance. D-distance considers the degree of all vertices present in a path while defining its length. In this paper, the D- eccentricity matrix is defined and D- eccentricity energy of some class of graphs are found.

Sr No.	Paper Title	Abstract	Page No	Download
1	ADAPTIVE CONTROL THEORY AND RECURRENT NEURAL NETWORK BASED BLDC CONTROL SYSTEM Author(s): Prathap.g , P C . Sivakumar. DOI : 10.21884/IJMTER.2020.7054.TJ6CF	View	1-16	pdf
2	DEVELOPMENT OF STANDALONE SOLAR PHOTOVOLTAIC INVERTER WITH HARMONIC ELIMINATION TECHNIQUE Author(s): A. Akshara , Malukannan. M , krishnan . S. DOI : 10.21884/IJMTER.2020.7055.6WWHN	View	17-29	pdf
3	OPTIMAL WIDE BAND SINUOUS ANTENNA BASED ON DUAL-POLARIZED FEEDING METHOD FOR AEROSPACE APPLICATIONS Author(s): S.Archana PG scholar , Dr.S.Venkatesh. DOI : 10.21884/IJMTER.2020.7056.IEZQ2	View	30-37	pdf
4	DESIGN AND ANALYSIS OF CMOS LOW NOISE AMPLIFIER BASED FOLDED MICRO STRIP PATCH ANTENNA FOR WIDEBAND APPLICATIONS Author(s): N.Vidhya PG scholar , B.Prasad Ph.D. DOI : 10.21884/IJMTER.2020.7057.BXA4E	View	38-46	pdf
5	ON D-ECCENTRICITY MATRIX AND D-ECCENTRICITY ENERGY Author(s): Anjana S Joshi. DOI : 10.21884/IJMTER.2020.7058.WTANX	View	47-53	pdf

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Current Issues

ADAPTIVE CONTROL THEORY AND RECURRENT NEURAL NETWORK BASED BLDC CONTROL SYSTEM

Abstract

DEVELOPMENT OF STANDALONE SOLAR PHOTOVOLTAIC INVERTER WITH HARMONIC ELIMINATION TECHNIQUE

Abstract

OPTIMAL WIDE BAND SINUOUS ANTENNA BASED ON DUAL-POLARIZED FEEDING METHOD FOR AEROSPACE APPLICATIONS

Abstract

DESIGN AND ANALYSIS OF CMOS LOW NOISE AMPLIFIER BASED FOLDED MICRO STRIP PATCH ANTENNA FOR WIDEBAND APPLICATIONS

Abstract

ON D-ECCENTRICITY MATRIX AND D-ECCENTRICITY ENERGY

Abstract

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