Volume 27, Issue 6
مرور بر اساس
ارسال های اخیر
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Technical and economic considerations for the application of permanent magnet brushless motors in evaporative water coolers
(Sharif University of Technology, 2020-12-01)Evaporative coolers due to their low cost are used in hot and dry regions of many countries especially in Iran. Conventional evaporative coolers use single-phase induction motors (SPIMs). But the benefits of these motors ...
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An experimental study regarding economic load dispatch using search group optimization
(Sharif University of Technology, 2020-12-01)Power System network is formed mainly to generate power from all the generators to fulfil total load demand and transmission line losses. The Economic Load Dispatch (ELD) problem is considered to be one of the most important ...
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Asymmetrical fuzzy logic control-based MPPT algorithm for stand-alone photovoltaic systems under partially shaded conditions
(Sharif University of Technology, 2020-12-01)Partial shading conditions (PSCs) in Photovoltaic (PV) system is an inevasible situation which curtails the PV array output by exhibiting multiple peaks in its Power-Voltage (P-V) curve. The multiple peaks consist of a ...
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Design modifications for improving modulation flux capability of consequent-pole vernier-PM machine in comparison to conventional vernier-PM machines
(Sharif University of Technology, 2020-12-01)The Vernier PM (VPM) machine is known as a high-torque and low speed drive solution suitable for direct-drive applications such as electric vehicles and wind turbines. The Consequent-Pole Vernier PM (CP-VPM) machine is a ...
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Instantaneous thrust control of linear switched reluctance motors with segmental translator
(Sharif University of Technology, 2020-12-01)The linear switched reluctance machine (LSRM) has all advantages of rotary switched reluctance machine including simple and rugged structure, absence of magnetic material and windings on translator, high reliability and ...
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High-accuracy power sharing in parallel inverters in an islanded microgrid using modified sliding mode control approach
(Sharif University of Technology, 2020-12-01)Increasing the penetration level of distributed generation (DG) units in micro grids which feeds the large loads in parallel connections creates the concept of power sharing phenomena in recent researches. In island mode ...
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A Novel Inductive Tactile Probe Design for Lump Detection in Soft Tissue Phantoms
(Sharif University of Technology, 2020-12-01)The purpose of this study is the development of a novel tactile probe for detection of lumps in soft tissue. The tactile probe includes an inductive sensor inside of an artificial tissue-like silicon rubber cushioning and ...
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Quasi-oppositional symbiotic organisms search algorithm for different economic load dispatch problems
(Sharif University of Technology, 2020-12-01)In this paper, an effective meta-heuristic technique called Quasi-Oppositional Symbiotic Organisms Search is applied for solving non-convex economic dispatch problems. Symbiotic Organisms Search is a soft computing technique, ...
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Spaser Based on Graphene Tube
(Sharif University of Technology, 2020-12-01)In this paper, we propose a structure for graphene spaser and develop an electrostatic model for quantizing plasmonic modes. Using this model, one can analyze any spaser consisting of graphene in the electrostatic regime. ...
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Determination of Weibull parameters using the standard deviation method and performance comparison at different locations
(Sharif University of Technology, 2020-12-01)This study analyzed the harmony of the Weibull Distribution Function (WDF) and the real data obtained from three different locations. The Standard Deviation Method (SDM) was used to determine the coefficients of the WDF ...
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Optimal sizing of hybrid WT/PV/diesel generator/battery system using MINLP method for a region in Kerman
(Sharif University of Technology, 2020-12-01)Abstract— Renewable resources have attracted attention due to different reasons like reducing pollution, improving technical issues. Using several resources along with each other requires studying different aspects. One ...
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Design and optimization of tubular linear permanent-magnet generator with performance improvement using response surface methodology and multi-objective genetic algorithm
(Sharif University of Technology, 2020-12-01)Linear generators are electric machines which generate electrical energy from linear movement. Since these machines can lift gear wheel or power train, they have begun to be used widely nowadays. Since their working areas ...
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Optical solitons in birefringent fibers with four-wave mixing by extended trial equation method
(Sharif University of Technology, 2020-12-01)This paper obtains optical soliton solutions in birefringent bers that are studied in presence of four-wave mixing.The extended trial function scheme is the integration algorithm that is applied. Both Kerr law and parabolic ...
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A rule-based post-processing approach to improve Persian OCR performance
(Sharif University of Technology, 2020-12-01)Optical Character Recognition (OCR) is a system to convert images including text into an editable text. Nowadays, the accuracy of these systems is acceptable in images with simple-structure and high quality. However, the ...
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ML-CK-ELM: An efficient multi-layer extreme learning machine using combined kernels for multi-label classification
(Sharif University of Technology, 2020-12-01)Recently many neural network methods have been proposed for multi-label classification in the literature. One of these recent researches is the multi-layer extreme learning machines (ML-ELM) in which stack auto encoders ...