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35 articles for “dc (direct current)”
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Review Paper on Moving Coil and Moving Iron Instruments
Abstract: The advancement in the field of science and technology would have been in vain if the idea of proper measurement would have not been crept in the mind. The new discoveries lead to discovery of more easy and sophisticated measurement technique. The paper presented specializes in the field of measuring instruments, its construction, the paper mainly talks about the idea of solving the issue. After reading the paper we will …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 7, Issue 3, 2019 · pp. 18–21 Read article
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AI Powered Fault Detection in DC Motor using STM32
Abstract: This work presents the design and implementation of an embedded artificial intelligence system for real-time fault detection in a direct current (DC) motor using the STM32 Nucleo- F411RE microcontroller. The objective of the study is to develop a low-cost and efficient predictive maintenance solution capable of identifying abnormal motor behavior at an early stage. Vibration and temperature signals are acquired using an MPU6050 sensor and processed directly on the microcontroller …
Published in Journal of Control & Instrumentation · Vol. 17, Issue 1, 2026 · pp. 39–49 Read article
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DC Motor Controller by PWM Technique
Abstract: Abstract: This project is expected to control the speed of a DC (Direct Current) engine using PWM (pulse-width-modulation) control with the 8051 plan microcontroller. The speed of the DC engine is explicitly relating to the voltage associated over its way, in case the voltage over the engine terminal is moved, at that point the speed can be changed. This venture uses the above rule to control the speed of the …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 7, Issue 3, 2019 · pp. 1–4 Read article
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Nanostructured Cr-WS2 Solid Lubricant Coating for Space Applications
Abstract: Abstract Tungsten disulphide (WS2) is one of the widely used intrinsic low friction materials, which is commonly used in the form of coating. WS2 offers very low coefficient of friction only in non humid conditions. Presence of humidity destroys this property and restricts its utility. Modifying the structure of WS2 by adding certain metals helps in overcoming this limitation and in addition improves the mechanical properties. Further, deposition technique and …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 1, 2019 · pp. 12–18 Read article
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Bloom Box Powered Electrical Vehicle with Carbon Nanotubes Wound Motor Drive Train
Abstract: The electrical energy is the main concern to run of an electrical vehicle. This electrical energy isgenerally obtained from a bank of batteries. These batteries require lot of space, and they areheavier. These facts affect the performance and efficiency of an electrical vehicle. Bloom boxcan utilize both fossil (natural gas) and renewable (stream air) sources to produce electricity. Itsoperation is noiseless. It can supply higher energy although it is smaller …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 3, 2019 · pp. 31–42 Read article
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Separation of harmful solids from fuel liquid in the tank of rocket engine and liquids in the life-support system of automatic spacecraft in the conditions of space flight.
Abstract: The paper presents the developed methods of harmful solids separation from fuel liquid in the fuel tank of rocket engine and liquids in the life-support system of automatic spacecraft using the action on the liquid of gravitational force (g - Factor) change or combined vibration and DC (Direct Current) electric field effect on the liquid that are simple on their of construction, economically highly effective and productive, mobile, and can …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 23–32 Read article
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Wireless Electrical Power Transmission
Abstract: Abstract: Wireless power transmission (WPT) has been attracting a wide range of subjects in various fields and also become a highly active research area because of their potential in providing high technology to our daily lives. The wireless power transmission will be mandatory to use in the near future because this technology enables the transmission of electrical energy from a power source to an electrical load across an air gap …
Published in Journal Of Network security · Vol. 7, Issue 3, 2019 · pp. 23–30 Read article
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Thermal Performance Enhancement Strategies for a Compact Solar PV-Powered Concentrating Water Heating System Through Integrated Collector Design
Abstract: Solar water heating systems have emerged as one of the most promising renewable energy technologies for reducing dependence on conventional fossil fuels and electricity-based water heating. However, the thermal performance of compact solar water heaters is often limited by inadequate solar absorption, poor heat transfer, and thermal losses within the collector assembly. This study presents a theoretical investigation of thermal performance enhancement strategies incorporated into a compact solar photovoltaic (PV)-powered …
Published in International Journal of Energy and Thermal Applications · Vol. 4, Issue 2, 2026 Read article
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Advanced Design, Modeling and Optimization Techniques in Electric Vehicle Using Green Energy: A Review
Abstract: In today’s world, we are using conventional energy sources in a larger amount. To reduce it we must move to use an alternative source, it means replacing the diesel and petrol vehicles with an electric vehicle, which is the best option. The rapid expansion of electric vehicles (EVs) is expected to make them a major contributor to transportation. Increasing fossil fuel use has resulted in greenhouse gas emissions that are …
Published in Journal of Nuclear Engineering & Technology · Vol. 14, Issue 3, 2024 · pp. 20–28 Read article
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Modelling of DC-DC Adapter use Intent of Photovoltaic Module Coordinating with Load
Abstract: The particularities of using different types of DC-DC converters for the purpose ofmaximizing the power flow from the array to the load is analyzed in this paper. It has shown that the selection of the converter depends on the ratio of internal resistance of thephotovoltaic module to the load resistance. In order to always select the maximum possible power from the array, its output current has to be direct.Keywords: DC-DC …
Published in Journal of VLSI Design Tools and Technology · Vol. 10, Issue 2, 2020 · pp. 34–38 Read article
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A Study on Different Optical OFDM using VLC System
Abstract: AbstractThe main goal of the paper is to preview the work that has already been carried out associated with optical OFDM in the VLC system. Different optical OFDM techniques such as direct-current biased optical OFDM (DCO-OFDM), asymmetrical clipped optical ofdm (ACO-OFDM) and many others are discussed. Nowadays, in conversation systems Visible Light Communication (VLC) plays a major role in the communication field. In the present paper, an overview on transmission …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 2, 2018 · pp. 13–19 Read article
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Simulation of Electric Vehicles DC Engine Performance
Abstract: This works develops a simulation model to predict the performance of direct current electric motors for electric vehicles (EV), mainly focused on the required power and mechanical torque as a function of the driving conditions. The simulation, therefore, has been based on the dynamic conditions of the electric vehicle to reproduce the current driving in urban routes or intercity travels. The model has been applied to synchronous and asynchronous transmission …
Published in Journal of Automobile Engineering and Applications Read article
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Dynamic Analysis of the Proposed Bi-directional Converter for Charging and Discharging Operation
Abstract: AbstractThis paper proposes a fifth order bi-directional converter configuration with low current ripple on either side as well as good voltage conversion range having only three switches. This converter is implemented for load power levelling between a DC grid and secondary batteries. A comparative study of proposed topology with widely used bi-directional converter configurations is made and relative merits and demerits are pointed out. With state-space and discrete-time modelling techniques, …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 2, 2017 · pp. 41–51 Read article
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Sensorless Direct Power Control of Brushless DC Motor Drive using Unknown Input Speed Observer
Abstract: This paper proposes the speed control of brushless DC (BLDC) motor via direct power control (DPC) method as a novel and effective strategy in electrical drives applications. The DPC has some advantages rather than other control methods of BLDC motor including simpler control algorithm and faster dynamic response. In proposed BLDC motor drive based on DPC strategy, space vector modulation (SVM) voltage source inverter is employed. To enhance the drive …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 3, 2015 · pp. 31–41 Read article
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Study of Multiple-Input Multiple-Output DC-DC Converter for DC Microgrid Applications
Abstract: DC microgrids have been developed because of the integration of renewable energy sources and the rising demand for sustainable energy solutions. DC microgrids offer numerous advantages such as increased efficiency, reduced transmission losses, and enhanced reliability. However, the varying output characteristics of renewable sources and the dynamic nature of loads within a microgrid necessitate efficient power management systems. In order to overcome these difficulties, MIMO (Multiple-Input Multiple-Output) DC-DC converters have …
Published in Trends in Electrical Engineering · Vol. 13, Issue 3, 2023 · pp. 16–23 Read article
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Design and Fabrication of Forearms Machine for Power Generation
Abstract: The goal of this project is to create a sustainable power source based on a piece of exercise equipment. This project attempts to concentrate on designing an energy producing gym equipment which is responsive to the course of action of an exercise machine for converting kinetic energy of the exercise gear into electrical power. During an exercise, the kinetic energy created by movement caused by the force imparted by the …
Published in Journal of Automobile Engineering and Applications · Vol. 9, Issue 1, 2022 · pp. 27–31 Read article
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Intelligent Cleaning Machine
Abstract: DC motors, Ultrasonic sensor, Vacuum cleaner and EZ-Bv4 controller are used to design the cleaning machine. When command is given to controller by using an android application, then we can control the direction of machine and can get the place clean by switching the vacuum cleaner button. In order to avoid obstacles ultrasonic sensors can be used.Cite this Article Mehfuza Holia, Nachiket Bhoi, Hardik Devganiya et al. Intelligent Cleaning Machine. …
Published in Current Trends in Information Technology · Vol. 8, Issue 3, 2018 · pp. 13–17 Read article
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Study of Efficient HVDC Boost Converters: Design Challenges and Solutions
Abstract: The boost converter is a fundamental circuit topology in power electronics, widely used for voltage step-up applications. This article explores the design principles, operational characteristics, and performance analysis of boost converters. It delves into key components such as the power switch, inductor, capacitor, and control circuitry, elucidating their roles in achieving efficient voltage conversion. The use of a high voltage direct current (HVDC) boost converter for bug zapper purposes is …
Published in Journal of Control & Instrumentation · Vol. 15, Issue 3, 2024 · pp. 42–48 Read article
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High Gain High Efficiency Single Switch DC–DC Converter for Green Power Source Conversion
Abstract: Efficiency of solar cell is very low and it is preferred to be operated at low voltages; so it is difficult to supply power to a certain load. Conventional boost converter offers limited gain. So a high voltage boosting is needed. Proposed converter consists of coupled inductor and switched capacitor technique to achieve high gain without high duty ratio and turns ratio. In the magnetic field of coupled inductor and …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 46–56 Read article
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Transient Analysis of a Grid-Connected Hybrid Wind-PV System
Abstract: A new reliable hybrid distributed generation (DG) system based on photovoltaic (PV) and wind driven permanent magnet synchronous generator (PMSG) as sources, with only a boost converter followed by an inverter stage is being developed. The proposed hybrid generator has a PV array being directly connected to the dc link instead of a dc-dc converter. The dc-dc converter varies the dc-link voltage and is placed in between the rectifier fed …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 55–63 Read article