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427 articles for “DC”
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Wearable Rectenna Array for Wireless Power Transmission
Abstract: This paper explains about design of wearable antenna array which is used for receiving the microwave power transmitted at dual frequencies. Direct current power is obtained at the end of rectifying antenna or (Rectenna) composed with filter and Schottky diode. Proposed wearable antenna is designed on jeans textile as a substrate and copper foil tap as conducting material. The antenna array has the dual band resonating frequencies which are 4.65 …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 59–64 Read article
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Performance Analysis of FLC-NR based Loss Minimisation Algorithm for BLDC Motor
Abstract: Brushless DC motors are increasingly used in industry due to their high power density and ease of control. Efficiency of BLDC motor is reduced due to various losses like copper loss, core loss and switching loss. A fuzzy logic based loss minimisation algorithm is described in this study. Selective harmonic elimination-based pulse-width modulation to optimise both the converter switching losses along with machine core and copper losses is done based …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 51–59 Read article
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Design and Simulation of a Transformer Coupled Push-Pull Inverter and Matrix Converter Types Smart Solar Grid System
Abstract: This research paper deals with the design and simulation of facile and robust AC voltage originator using a solar power. PV technology is used for generating DC voltage as solar power is very reliable source. Push-pull inverter is used to convert the DC to AC as well as enhanced the magnitude of single phase signal. Matrix converter is also used to convert the single phase AC to three-phase AC signal. …
Published in Trends in Electrical Engineering · Vol. 9, Issue 1, 2019 · pp. 1–16 Read article
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Light Sensor Circuit
Abstract: The presence of light increases current in the photo diode or phototransistor. LM317 supplied lower voltage DC power in the circuit. Capacitors are connected in parallel with the DC output in order to filter out any high frequency AC signal coming from the noise. NE555P Timer produced accurate oscillation. BPV11 is used as a photodiode. LM311 is the comparator and the light on/off is converted to low/ high of the …
Published in Trends in Electrical Engineering · Vol. 9, Issue 2, 2019 · pp. 7–11 Read article
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A Review of Digital Image Watermarking Techniques for Secure Data Transmission
Abstract: AbstractNowadays, a chief problem encountered by content providers and owners is the protection of their material. The ease by which digital information can be duplicated and distributed has led to the need for effective copyright protection tools. Recently digital watermarking technology has emerged as an effective solution for protecting the digital content from unauthorized copying. With its area of application coexisting in all three forms of media, i.e., image, music …
Published in Current Trends in Information Technology · Vol. 3, Issue 1, 2013 · pp. 1–6 Read article
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Green Gesture Control Tractor
Abstract: India being the agricultural country a clean technology for farming can increase the prosperity of farmer and prosperity of the nation at large. Prototype of Green Gesture Control Tractor is designed and developed specially for the farmers. The main objective was plowing, planting, sprinkling of pesticide, harvesting the crop and transportation of crop with least efforts. In Green Gesture Control Tractor, human hand motions are sensed by sensor (ADXL345 accelerometer) …
Published in Current Trends in Information Technology · Vol. 10, Issue 2, 2020 · pp. 12–17 Read article
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Automatic Cloth Cutting Machine Using Programmable Logic Controller
Abstract: AbstractDuring the past few decades, the automation industry has shown a great progress in automatic control of different systems. The manual handling of any system results in less accuracy as compared to automatic control system. This project basically gives an initial theme that how an approach to a cloth cutting can be done using PLC. So, design of automatic cloth cutting machine has been made which gives more accuracy, reduces …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 7, Issue 2, 2019 · pp. 1–3 Read article
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Energizing Streets: A Feasible Solution for Electric Vehicles
Abstract: Energy is the basic demand for the evolution of the advanced globe. The energy extracted from force is called potential energy which has visually no fuel expense. Thus, utilization of this energy can reduce the overall cost and can increase the output productivity. This project utilizes the force created from vehicle hump as an alternative and recyclable energy source. Electricity is generated by substituting the conventional speed breakers with a …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 2, 2018 · pp. 62–68 Read article
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An Overview of Hybrid Renewable Energy Systems
Abstract: Long-term evaluation and analysis of several factors should be done to propose a full-phase power generation system based on renewable energy sources. An accurate assessment of the potentially available resources should be done like measuring solar irradiation, wind speed, etc. We are designing a hybrid system where hybridization methods entirely consist of renewable energy sources—specifically solar photovoltaic (PV), wind, and gravity systems. Wind and solar are among the popular renewable …
Published in Journal of Alternate Energy Sources & Technologies Read article
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Effect of Turn-on Angle Variation on Performance of the Switched Reluctance Motor
Abstract: Stepper motors, brushless DC motors and switch reluctance motors emerged in the last few decades and these motors are finding applications in the various fields depending upon the demand. Switched reluctance motors have 6-4, 8-6 and 10-8 stator pole-rotor pole construction available. These motors work on the principle of reluctance. In this paper, analysis is carried out for 6 stator pole, 4 rotor pole switched reluctance motor. The parameters like …
Published in Trends in Electrical Engineering Read article
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Savonius Vertical Axis Wind Turbines: A Review of Design Principles and Fabrication Approaches
Abstract: The need for renewable energy-based applications is rising in the modern world. The wind turbine is among the most practical energy sources. The best examples of using wind energy to its fullest extent are windmills. One such use for wind energy harvesting is the “Vertical Axis Wind Turbine” project work. In this project, the possibility of producing electricity and supplying it to bus stops, traffic lights, streetlights, etc. was investigated. …
Published in International Journal of Advanced Control and System Engineering · Vol. 1, Issue 2, 2023 · pp. 29–37 Read article
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Simulation And Analysis of Radio Frequency Energy Harvesting System Operating at 2.45 GHz Frequency
Abstract: — This paper proposed study of an RF energy harvesting system at 2.45 GHz using a rectifier and an antenna so called rectenna. Inset-fed micro-strip rectangular patch antenna array is fabricated. The rectifier circuit, employing Schottky diodes (HSMS-2850), converts AC power from the antenna to DC for RF detection. Analysis of the antenna's design and parameters such as directivity, return loss, gain, and VSWR is done using high-frequency simulator software …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 1, 2024 · pp. 7–15 Read article
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High-speed Data Converter Architectures: Latched Comparator Design & Performance Comparison
Abstract: This paper focuses on the design and optimization of latch comparators for high-speed data converter applications. The performance of different comparator architectures is compared in terms of speed, power consumption, and noise performance. The proposed latch comparator architecture uses a preamplifier to boost gain and sensitivity, and a latch to store the output signal. The latch comparator design is optimized for low power consumption and high speed, and is implemented …
Published in Journal of VLSI Design Tools and Technology · Vol. 14, Issue 1, 2024 · pp. 23–32 Read article
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Fire Monitoring and Suppression System for a Car using by Automation and Existing Technology
Abstract: Fire Monitoring and Suppression System for a car using Automation and Existing Technology presents a comprehensive review of fire monitoring and suppression systems for vehicles. The Project aims to explore the causes of vehicle fires, existing technologies for fire detection and suppression, and a proposed working model for implementing fire safety measures in automobiles. The literature review within the project provides a thorough analysis of the primary causes of fires …
Published in Journal of Industrial Safety Engineering · Vol. 11, Issue 1, 2024 · pp. 1–10 Read article
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Intelligent Machine for Food Quality and Safety Assessment
Abstract: This paper presents the development of an intelligent fruit and vegetable classification system aimed at reducing food waste and infections caused by spoiled items. Using artificial intelligence and sensor data, our system classifies items into three categories: ripe, unripe, and rotten, and employs servo motors to sort them into respective baskets. The classification process utilizes real-time temperature, humidity, and image data captured by the camera and processed by the laptop. …
Published in International Journal of Industrial and Product Design Engineering · Vol. 2, Issue 1, 2024 · pp. 24–28 Read article
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Autonomous Vehicle with Obstacle Evasion Capability
Abstract: This paper involves the design and implementation of an obstacle-avoidance vehicle. The goal of this project is to build a vehicle that, when in motion, can recognize obstructions in its route and, in the absence of outside interference, alter course as essential. Based on sensor inputs, the robot determines the new direction to prevent a collision as the direction with the largest distance between the obstacle and the sensor. An …
Published in International Journal of Robotics and Automation in Mechanics · Vol. 2, Issue 1, 2024 · pp. 6–13 Read article
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Green Wheels: Solaris Campus Cruiser in Action
Abstract: The publicly funded transportation system has become expensive due to the growing trends of industry and global economic growth, which have resulted in fluctuating gas prices and other price increases. Innovation can be used to solve any of these issues. Improving the usage of renewable energy sources, such as solar power, in place of fossil fuels is one of the most practical ways to address the problems. The aspiration of …
Published in International Journal of Energy and Thermal Applications · Vol. 2, Issue 1, 2024 · pp. 30–40 Read article
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Ecomotion Cityglide Commuter E-Bike
Abstract: The transition from conventional gasoline motorcycles to electric bikes represents a pivotal step in addressing the increasing demand for sustainable transportation solutions in urban environments. This paper meticulously explores the multifaceted aspects of this transition, focusing on the technological advancements, design innovations, and societal implications associated with the adoption of electric bikes. Electric bikes, powered by Brushless DC (BLDC) motors and rechargeable battery packs, offer a suite of benefits over …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 2, Issue 1, 2024 · pp. 43–49 Read article
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Plant Growth Promotion: Role of Nanoparticles and Soil Microorganisms
Abstract: Crops intended to support rapidly expanding populations often face numerous harsh environmental conditions. DCrops intended to support rapidly expanding populations often face numerous harsh environmental conditions. Despite the natural evolution of plants in response to espite the natural evolution of plants in response to changing environments and ongoing efforts to engineer resistant varieties using the latest research advancements, food scarcity remains a challenge. Cultivating rhizosphere microorganisms presents an alternative strategy …
Published in Journal of Polymer & Composites Read article
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Remote Surveillance: The Evolution of RF Controlled Spy Robots with Night Vision
Abstract: The project described in this paper will use an RF transmitter and receiver to enable remote control of the robot, enabling users to navigate different terrains and collect visual data. Even in complete darkness, the night vision camera will record crisp pictures and movies, giving you important new information about your surroundings. The robot is ideal for covert surveillance operations due to its small size and agility. An ESP32 microcontroller, …
Published in International Journal of Radio Frequency Innovations · Vol. 2, Issue 1, 2024 · pp. 8–13 Read article