Showing papers in "Journal of Electrical Systems and Information Technology in 2017"

TL;DR: A design of a control system for a greenhouse using geothermal energy as a power source for heating system and four controller techniques; PI control, fuzzy logic control, artificial neural network control and adaptive neuro-fuzzy control are presented.

TL;DR: In this article, a Proportional Resonant (PR) current controller with additional PR selective harmonic compensators for Grid Connected Photovoltaic (PV) Inverters is presented.

TL;DR: In this paper, a detailed study on the performance of a brushless DC motor supplying different types of loads, and at the same time, deploying different control techniques is presented, which reveals that irrespective of the type of controller used, the gradual load variation produces better results as against sudden load variations.

TL;DR: The cost of processing increased linearly with respect to increase in number of VMs, VM Image size and cloudlet length, with greater number of cloudlets completed their execution with high cloudlet completion time in time-shared allocation policy.

TL;DR: An ANFIS adaptive controller is proposed to generate the adaptive control signal and found to be more robust with regard to disturbances in input torque.

TL;DR: An analytical approach of an offline handwritten Arabic text recognition system based on the Hidden Markov Models (HMM) Toolkit (HTK) without explicit segmentation is presented.

TL;DR: In this paper, the authors presented a standalone PV water pumping system, where photovoltaic (PV) is the main power source, and lead acid batteries are used as energy storage system, to supply a water pump driven by a BLDC motor.

TL;DR: In this article, the authors proposed a Disparity Line Utilization Factor (DLUF) for the optimal placement and Gravitational Search algorithm based optimal tuning of IPFC to control the congestion in transmission lines.

TL;DR: In this paper, the MPPT algorithms widely used, i.e., Perturb and Observe (P&O), Incremental Conductance (INC), Hill-Climbing (HC), are implemented using Matlab ® /Simulink ® model of a crystalline silicon photovoltaic module whose intrinsic parameters were extracted by fitting the I(V) characteristic to experimental points.

TL;DR: In this article, a single phase single stage grid-tied PV system is presented to ensure MPPT using the incremental conductance method and it can track the changes in insolation level without oscillations.

TL;DR: This paper presents two ambiguity attacks on this algorithm that have shown that this algorithm fails when used to provide robustness applications like owner identification, proof of ownership, and transaction tracking.

TL;DR: In this paper, a duty ratio control scheme for an inverter-fed induction machine using DTC method is presented in which a fuzzy logic controller is used to reduce the flux and torque ripples and it improves performance DTC especially at low speed.

TL;DR: In this article, the melting behavior of phase change materials (PCM) is investigated experimentally. But the authors focused on the use of a latent heat storage system by using PCMs, which is an effective method of storing thermal energy.

TL;DR: The comparison of the methods yields that the Steerable Pyramid based Laws’ Mask (SPLM) texture feature extraction technique using fifth level of image decomposition level resulted in the best classification accuracy.

TL;DR: In this article, the impact assessment of optimally placed different types of DGs (such as T 1, T 2, T 3 and T 4 ) with DLMs by employing genetic algorithm (GA) in the distribution power systems (DPSs) form total minimum real power loss of the system viewpoint.

TL;DR: The proposed method can recognize and remove the inconsistent data points and produces reliable results and the experimental results on both synthetic and real data confirm the effectiveness of the proposed approach.

TL;DR: In this article, a microstrip patch antenna is proposed which is suitable for bio-medical applications and is designed to operate in the Industrial, Scientific and Medical band at 2.45 GHz.

TL;DR: In this paper, a fault diagnostics system for a three-phase voltage source inverter was developed as a rule-based fuzzy logic system for fault cases of the inverter power semiconductor switches.

TL;DR: In this paper, a new 5th order Chebyshev band pass filter with 2.45 GHz center frequency and 0.1dB equal-ripple filtering antenna is proposed. The design is based on the synthesis approach of the filter, which uses antenna radiator as the last-stage resonator of filter.

TL;DR: In this paper, a sensorless operation of the induction motor is carried out by adopting model reference adaptive system (MRAS) using sliding mode control (SMC) and a field weakening (FW) algorithm based on the voltage and current constraints.

TL;DR: In this paper, an active controller operates by responding to a combination of internal set points and external signal from local control entity to minimize the cost of smart microgrid, minimize the size of smart mini-grid units, minimize import energy from distribution grid and maximize reliability of a smart micro-grid.

TL;DR: To classify the entropy features, refined scores (RS) method is devised that refines the scores generated using the Euclidean distance and the experimental results vindicate the superiority of proposed method over literature.

TL;DR: In this paper, the authors presented the analysis, modelling and simulation of wind-driven self-excited induction generator (SEIG) using MATLAB/SIMULINK toolbox program.

TL;DR: In this paper, a new method for load and frequency control based on control of third parameter of three-part Availability Based Tariff (ABT) i.e., Unscheduled Interchange charges is proposed.

TL;DR: In this paper, the analysis, simulation and design of a peaking circuit comprising of a peak capacitor, spark gap, and load circuit is discussed, where the peaking capacitor gets charged to a peak voltage of 394.6 kV in 15 ns.

TL;DR: In this paper, the authors evaluate how the occurrence time of a fault affects the energy entropy present in a fault signal and propose a diagnostic method based on calculating the wavelet entropy of sampled signal at different fault occurrence times.

TL;DR: In this paper, a 1.5kW self-excited induction generator (SEIG), a diesel motor, a static voltage compensator (SVC), and a proportional integral controller are used to meet the requirement of the SEIG frequency regulation.

TL;DR: In this article, the authors discuss the modeling of fast Marx generators with reference to improving the performance in terms of output current pulse characteristics, namely peak current, rise time and full width half maximum (FWHM) duration.

TL;DR: In order to achieve nearly uniform initial time instant voltage distribution along the length of the HV winding, investigations have been carried out on transformer model winding by connecting similar type of metal oxide varistors across sections of HV transformer model windings with α values 5.3, 9.5 and 19 as discussed by the authors.