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1972 articles for “(DES)” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Design and Fabrication of Patch Antenna using DGS for WLAN and WIMAX Applications
Abstract: AbstractIn this paper a small size micro strip patch antenna with dual frequency characteristics is presented. The proposed antenna is designed on an FR-4 epoxy dielectric substrate with the thickness of 1.6 mm and dielectric constant er =4.3. The proposed antenna has used defected ground structure (DGS) stop theory to create dual frequency band characteristics 2.13GHz – 3.25 GHZ for WIMAX and 5.725GHz – 6.3084 Hz for WLAN, respectively. The …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 1, 2020 · pp. 5–16 Read article
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Design and Analysis of Microstrip Band Reject Filter with Modified Rectangular and Hexagonal Shape Ground Structure
Abstract: In this proposed paper, the performance of band stop filter with modified ground structure is examined; the modified ground structure includes four rectangular and a hexagonal etched shapes in ground plane. Parameters of the proposed design were calculated at the cut off frequencies of f1=1.16 GHz, f2=1.89 GHz and also proposed designs having substrate height of 1.6 mm, loss tangent of 0.02 and dielectric constant of 4.4. Results are calculated …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 2, 2017 · pp. 1–5 Read article
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Design of Microstrip Stepped Impedance Low Pass Filter for S-Band Application Using Insertion Loss Method
Abstract: Day by day the requirement of microstrip filter is increasing because of their size, low cost and narrow bandwidth .this paper elaborates the design of stepped impedance LPF by using insertion loss method using Richard’s transformation and Kuroda’s identities. Filter works at 2.65 GHz; the used material is FR4 lossy with dielectric constant 4.3 with a substrate thickness of 1.6 mm for n=3. The designing is done with the help …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 1–5 Read article
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Design Of Multi-Bit Chipless RFID Tag Using Hybrid Resonator For Retail And Healthcare Applications
Abstract: Resonators play a very important role in chipless radio frequency identification (RFID) systems. To overcome the challenges like cost, compact dimension, and high coding capacity, chipless transponders are highly facilitated for the advancement in chipless RFID technology. This research aims to investigate innovative design options for passive RFID transponders operating in a wide range of frequencies in order to address the aforementioned issues and contribute to RFID technology advancement. To …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 2, 2021 · pp. 35–43 Read article
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Design and analysis of PV based Micro-inverter using INC MPPT controller and Fuzzy Logic controller
Abstract: The reserve of conventional energy sources such as coal, natural gas, and crude oil are rapidly decreasing with increasing demand of electricity in the world.Also the fossil fuels cause air pollution, global warming and similar environmental problems. Therefore, recent studies have become widespread about renewable energy sources (RESs) such as biomass,hydropower, geothermal, wind and solar which are the most popular worldwide. Among other RESs, solar energy is assumed as the …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 2, 2021 · pp. 16–29 Read article
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A Novel Antenna Design based on a Single UC-PBG Layer of High Gain for Wireless Power Transfer
Abstract: In this study, a brand-new, highly effective antenna design is put forth to provide a directional radiation pattern with a small beam width for wireless power transfer. The proposed antenna is constructed from a cross-shaped patch of square holes. A favorable eclipse is paired with the antenna patch to provide circular polarization-symmetrical radiation. A symmetrical quadrature stare-shaped unit cell has a uniform compact photonic bandgap layer (UC-PBG) on top of …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 3, 2022 · pp. 8–19 Read article
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Optimization of dry sliding wear behaviour of AA6061 (as cast) and AA6061 (HT) aluminium alloy using design of experiment approach
Abstract: The dry sliding wear behaviour of AA6061 (as cast) and AA6061 (HT) aluminium alloy has been optimized using Taguchi Orthogonal array design. Experiments were conducted to study the influence of various parameters like, load(N), sliding speed(m/sec) and sliding distance on the dry sliding wear behaviour of both AA6061(as cast) and AA6061(HT) aluminium alloy using L9 orthogonal array design. The experiments were carried out to determine the significant controlling parameter affecting …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 1–6 Read article
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Design and Performance Analysis of Full Adder Cell using FinFET Technique at 32nm Technology
Abstract: AbstractIn this paper, discussed is the comparative analysis of complementary MOS (CMOS) and dual gate-FinFET (fin shaped field effect transistor) based full adder cell design. To reduce the average power, average current and maximum current of 1-bit full adder circuit a new high DG-FinFET technique is presented. Use of double-gate FinFET technology provides low leakage and high performance operation. For MOSFET transistor model, a predictive technology model (PTM) BSIM4 and …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 3, 2017 · pp. 1–8 Read article
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Reducing Cell Density Congestion Issue in Chip Design
Abstract: AbstractThe congestion issues reduce with the help of shrinking process technologies. Here, typical placement objectives involve reducing cell density congestion in a chip design. Congestion reducing is the least understand; however, it models route ability most accurately. The congestion issue is cell density (commonly believed to be very effective) does not always work well, so here by applying the partial block technique for the cell density is among the best …
Published in Journal of Microelectronics and Solid State Devices · Vol. 6, Issue 3, 2019 · pp. 11–17 Read article
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Design and Investigation of Peltier Technology for Automobile Air-Conditioning Unit
Abstract: AbstractIn recent years, market of heating, ventilation and air-conditioning system (HVAC) has escalated a lot. These units provide cooling and conditioned atmosphere to automobiles, buildings, cold storage etc. HVAC units are very reliable and effective but they produce some adverse impact on environment. This paper proposes the use of solar energy with thermoelectric (Peltier) technology. In order to determine the efficiency of solar energy assisted thermoelectric module, it is necessary …
Published in Journal of Microelectronics and Solid State Devices · Vol. 6, Issue 3, 2019 · pp. 37–42 Read article
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Design Simulation and Implementation of a Microcontroller Based Electronic Notification System for Disease Surveillance
Abstract: Infectious disease outbreaks have been a challenge in the public health sector, and developing countries like Nigeria are not an exception; the rate of such outbreaks has risen within recent years. The recent re-emerging and new infectious disease outbreaks in Nigeria, including the Ebola virus disease and other epidemic-prone diseases, necessitate a rapid public health response. As a result, it becomes necessary to improve the current system for notifying and …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 2, 2022 · pp. 42–52 Read article
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Three-stage Decimation Filter Design with CIC and FIR Filters: A Review
Abstract: In this paper the design of decimation filter with three stages are considered and presented using the FDA tool of MATLAB. The decimation filter reduces the sampling rate of the signal while preserving the required data. The single stage filter is very difficult to implement because it requires more coefficients which results in bad frequency response so three stages of filters are considered, and further decimation is done. In filter …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 30–36 Read article
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Design of a Wireless Protection Scheme for Smart-Grid-Based Industrial Systems
Abstract: This paper illustrates the design of an alternative current measuring method which can be used for the protection of electrical machines, especially generators and motors, used in oil and gas industry. A comparison is made between the use of Hall effect sensors and current transformers for fault current detection. Also, different wireless communication methods that can be used in accordance with Hall effect sensors for detecting faulty conditions are discussed. …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 30–37 Read article
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Design and Analyze of an International Common Grid to Mitigate Energy Crisis of Bangladesh
Abstract: In Bangladesh, the expected electrical power generation has not been increasing as demand for electrical power is growing fast as changing of civilization life. It has been well known that the electrical energy can be extracted more than local demand in China and Bhutan from the renewable energies such as wind energy and hydro power. To fulfil the demand of Bangladesh to lead modern life the electrical energy can be …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 2, 2018 · pp. 44–57 Read article
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Design a Patch Antenna with Metamaterial for Electromagnetic Interference Sensor
Abstract: This paper proposes a design of a patch antenna by using pentagonal shaped metamaterial for Electromagnetic interference sensor. Pentagonal shaped metamaterial is used to increase bandwidth of patch antenna. Metamaterial possesses properties such as negative permittivity and negative permeability. It reduces return loss of antenna and increases the directivity. Two identical rectangular patch antennas have designed for transmitting and receiving purpose. This proposed antenna has been simulated at 2GHz frequency …
Published in Journal of Power Electronics and Power Systems · Vol. 3, Issue 1, 2013 · pp. 18–21 Read article
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Design and Control of Three Phase Grid Connected Solar PhotoVoltaic Power System
Abstract: As the world power utilization quickly increments with populace development, new power era limits are obliged to cover that request. So there is requirement for force era utilizing renewable sources. Henceforth photovoltaic system is actualized to tie with the force framework. Keeping in mind the end goal to concentrate greatest force yield from PV framework proficiently, MPPT system is used. A DC-DC converter utilizes voltage source inverter which is controlled …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 20–32 Read article
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Design of a Closed Loop Boost Converter with Parametric Variation Analysis of PI Controller for Constant Output Voltage Applications
Abstract: The DC-DC converters have an unregulated input dc voltage and a constant or regulated output dc voltage. Switching DC-DC voltage converters have two elements: A controller and a power stage. The power stage regulates the switching elements and converts input voltage to output voltage. The controller controls the switching operation to regulate the output voltage. The two systems are linked by a feedback loop that compares the actual output voltage …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 3, 2016 · pp. 1–13 Read article
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Design Simulation of Multilevel Neutral Point Clamped Inverter System for Solar Photovoltaic Applications
Abstract: This paper presents design and simulation of Neutral Point Clamped multilevel inverter system connected to a solar photovoltaic system. The design of multilevel inverter is based on neutral point clamped topology. The improved space vector pulse width modulation enables better performance and output of the system in both qualitative as well as quantitative factor. The system is connected to solar photovoltaic system and the output is realized in the form …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 3, 2020 · pp. 32–42 Read article
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Design and Layout Modifications of an Oil and Gas Processing Facility in a Part of the Upper Assam Basin, India
Abstract: Oil and gas processing acts as the preliminary treatment required to be performed on the raw crude oil and gas obtained from the wells so as to make it fit for further processing in the refinery. A particular oil and gas processing facility, located in the Assam Arakan basin is chosen and a detailed study is carried out regarding its various aspects. The study shows that the processing facility has …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 15–20 Read article
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Design and Simulation of Forging Die Towards Improving Life of Closed Die
Abstract: Forging is the metal forming process which is used for forming complex shaped component withgeometrical accuracy. More than fifty percent of the forgings are processed through this way. Forgedcomponents required in many engineering sectors, most of them in the automotive sector. Themajority of the safety critical component and load bearing structural components are process throughit. By using forging process production of complex component is faster with less material waste. It …
Published in Journal of Production Research & Management · Vol. 11, Issue 1, 2021 · pp. 1–15 Read article