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426 articles for “DC”
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Advanced and Smart Multi-level Car Parking System using PLC
Abstract: Abstract This paper presents a model of multilevel parking system with the automatic process using a programmable logic controller (PLC). The aim of this work is to mitigate the problems associated with general multilevel parking system by using PLC and advanced engineering concepts. PLC is a modern digital computer that has advanced features over microcontroller. In this project work, a model of three-floor parking system is presented with advanced control …
Published in Journal of Microcontroller Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 1–5 Read article
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Implications from Wireless Messenger – Emerging Trend
Abstract: Wireless communication has implied to control home as well industries by accession from status abduction inform. Subjected risk has thereby secured without inclusive of any manual perform. Said economist perform has attributed thereby out of complications so as to mitigate undesirable account out past by negligence orientation. Technologies used to implement these systems include Z-Wave, Insteon, Wavenis, Bluetooth, WiFi, and ZigBee, where ZigBee technology is new standard in wireless area …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 3, 2020 · pp. 9–13 Read article
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Overview of HVDC Power Transmission Technologies
Abstract: The demand for electricity has been growing very fast with a high impact on global environment conditions. The solution for this is grid access of large amounts of renewable energy resources. This makes the power system complex. A smart solution for this problem is the development of HVDC transmission systems. HVDC is well established and niche technology, which offers reliable long distance bulk energy transmission. There are two types of …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 2, 2016 · pp. 25–30 Read article
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Small Size High Gain Antenna and High Efficiency Rectifier for RF Energy Harvesting in 2.45 GHz ISM Band
Abstract: A streamlined microwave energy harvesting system to harvest energy in 2.45 GHz presented in this paper. An electromagnetically coupled square micro-strip antenna is designed and fabricated for formation in proposed system. Antenna gain of 6.7 db and bandwidth from 2.42to 2.47 GHz is achieved. The maximum gain of proposed antenna is 24 db at frequency 2.1 GHz. Rectifier circuit consists of a resonant circuit and a boosting circuit for enhancing …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 41–46 Read article
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Impact of Spacer Engineering on SOI Junctionless FET Performance Using TCAD Simulation
Abstract: In this paper, the impact of spacer engineering on 10 nm gate length planar SOI (Silicon On Insulator) junctionless transistor performance is studied using Sentaurus TCAD simulator. Spacer length and spacer permittivity of the device are taken as two controllable parameters. DC performance metrics, ION, IOFF, ION/IOFF ratio, unity gain frequency (fT) and non quasi static delay (NQS) are investigated for various spacer lengths and spacer permittivity. The simulation results …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 2, 2016 · pp. 42–52 Read article
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Improvement of Mild Steel Surface Properties by Fly-ash + Quartz + Illmenite Composite Coating
Abstract: Plasma spray of fly-ash composite gives a stable improvement of surface properties for industrially used materials/equipments, which has become a major technological research area encompassing studies in a broad range from medical field, chemical field to ceramic field. In the present investigation, coatings are developed on mild steel substrates using fly-ash + quartz + illmenite composite (in a weight percentage ratio of 60:20:20) at various plasma torch input power levels …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 125–131 Read article
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Computer Modeling of Organic Thin Film Transistors (OTFTs) using Verilog-A
Abstract: AbstractOrganic electronics has drawn considerable attention of the researchers with organic thin film transistors (OTFTs) as key components for various applications. Compared to the silicon industry where public models are well defined and commonly used to provide designers with a relative good description of any process, organic devices are still lacking for their complete device models that can fully describe their electrical characteristics. Therefore, compact model development for OTFTs is …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 1, 2018 · pp. 1–7 Read article
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Implementation of FIR Filter with Reverse Converter based RNS Kogge–Stone Adder
Abstract: AbstractLow power very large scale integration (VLSI) circuits are pertinent for designing of steep overall performance and adjustable devices. In current technology VLSI plays a vital role to reduce power consumption and delay. In analog to digital converter process, adder plays a crucial role. The authority of nonviolent issue is increasing regularly because of changing that a way, packaging and cooling cost, transportable route of motion and reliability. This freebie …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 34–43 Read article
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Smart Agriculture Robot with Autonomous Functions
Abstract: Blades that can efficiently cut through field grass are coupled to a high-speed DC motor that powers the robot. The seedling sowing system makes sure that seeds are dispersed precisely and uniformly for best growth. To keep plants' moisture levels at their ideal levels, the watering system is made to spray water on them at regular intervals. The robot has a black line sensor that makes it easy for it …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 1, 2023 · pp. 29–35 Read article
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Performance analysis of single axis solar tracking system with IoT Monitoring system
Abstract: The goal of this project is to create a single-axis solar tracking system that will work with an IoT monitoring system to maintain solar panel alignment with the Sun for maximum solar energy gathering. Single-axis solar tracking is a method of optimizing the energy output of a solar panel by adjusting its position along a single axis throughout the day in order to maximize their exposure to sunlight. Since many …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 1, 2023 · pp. 22–28 Read article
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Maximizing Output: An Overview of Loss Analysis in Grid-Connected Solar Photovoltaic Systems
Abstract: The use of solar energy is growing in importance globally, but particularly in India. Since there aren't manysolar plants operating in India right now, there isn't any historical data. It is crucial to investigate how wellsolar power plants operate. Acquiring knowledge about solar power plant performance will lead to wiseinvestment choices. In this work, we address the different aspects that affect solar power plant performance,including age-related deterioration, inverter efficiency, design, …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 53–61 Read article
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Innovative Design and Fabrication Techniques for an Octawalker: A Comprehensive Study
Abstract: The octawalker is a walking aid that is remote-controlled.We intend to increasesecurity to a new level. In order to benefit our country, we created this initiative using our thoughts. composed of two motors that run on 12 volts DC.DC battery power supply that can be recharged. These checkpoints demand all vehicle traffic to stop. According to Webster, a robot is & an autonomous device that performs functions normally ascribed to …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 30–35 Read article
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Glass Fiber Layer Effect on Chemico-mechanical Properties of Light Cure Adhesive Systems
Abstract: Introduction: Orthodontic adhesives should have clinically acceptable shear and tensile bond strength to withstand masticatory forces and those generated by treatment mechanics. Mechanical properties of the adhesive, such as flexural modulus of elasticity, tensile strength, and compressive strength, are more heavily influenced by the resin matrix's Degree of cure (DC). Aim: The study compares the effect of the Glass fiber layer on Chemico-mechanical properties using three different light cure adhesive …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 1–9 Read article
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Synthesis and Characterization of Polymer Blend Electrolyte Based on Bio-degradable Polymers Doped with Ammonium Iodide
Abstract: A polymer blend of Polyvinylalchohol (PVA) and Polyvinylpyrrilodine (PVP) doped with ammonium iodide (NH4I) has been prepared by solution casting method to develop a new solid polymer electrolyte. The influence of NH4I on the structural, electrical characteristics of PVA/PVP blend was investigated utilizing XRD, FTIR and impedance spectroscopy techniques. Structural properties were studied by using the XRD technique and found that the pure polymer blend is in semi crystalline form, …
Published in Journal of Polymer & Composites · Vol. 10, Issue 2, 2022 · pp. 60–71 Read article
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Supercapacitor-Battery Hybridization to Prevent Battery Life for Pulsed Load Applications
Abstract: Management of power in the pulsed load applications has become a significant issue when it comes to the battery backup systems. For the pulsed load applications, deep discharge of the battery and battery health problems are very well known. In this paper, an attempt is made to overcome these key challenges by connecting a high power density device, ultracapacitor (super capacitor) in parallel with the battery. The role of ultracapacitor …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 1–15 Read article
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Fault Tolerant Inverter for BLDC Drives
Abstract: In this study, fault tolerant inverter for BLDC drives is used for aerospace application. In such application, the human intervention is limited. So, the fault tolerant control of BLDC motor is of great importance for its continuous operating capacity even under the faulty situation. Over voltage and over current phenomenon occur in system due to switching faults, so a fault isolation and system reconfiguration method is presented. This method can …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 31–38 Read article
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Sinusoidal Pulse Width Modulation Switching Technique based Single Phase Inverter
Abstract: This paper discusses about the inverter which transfers power from DC source to AC load side. Inverters are usually used in motor drive, static var compensators, uninterruptible power supplies (ups), etc. Pulse Width Modulation (PWM) technique is used because the total harmonics distortion is low as compared with other techniques. The switching scheme of sinusoidal PWM permits control of the frequency and the magnitude of the output. This switching scheme …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 1, 2019 · pp. 34–41 Read article
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Study of Cascaded H Bridge Multilevel Inverter
Abstract: The inverters are now-a-days used broadly. Inverters are classified as two level inverters and multilevel inverters. There are too many limitations; conventional inverters at high power and high voltage applications. So, multilevel inverters become useful for high power and high voltage applications due to their increased number of levels at the output voltage. The harmonics are reduced by increasing the number of levels and output voltage has a tendency to-end-up …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 45–54 Read article
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Design and Development of Power Saving Generation using Conveyor Belt
Abstract: This paper represents the “power saving and generation using conveyor belt”. As electricity prices continue to rise the increasing need of energy management; requires better understanding of models for energy-consuming applications, such as conveyor belts. Our team chooses to research the flexibility in power saving and generation using conveyor belt with different type of applications. Conveyor belts are used in wide range of industries, including power generation, mining and mineral …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 18–21 Read article
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Circuit Topologies, Operation, Control Schemes and Modulation Techniques of Modular Multilevel Inverter
Abstract: The Modular Multilevel Converter (MMC) is one of the developing topology. MMC has several attractive features such as a modular structure, transformer-less operation, easily scalable in terms of voltage and current, low expense for redundancy and fault tolerant operation and excellent output waveforms quality. Due to these attractive features industry and researcher increased the interest in this converter. This interest results in the development of new power topologies, modulation strategies …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 28–40 Read article