Search
529 articles for “power system”
-
Modified Multiple Sub-blocking PTS Technique for Reduction in PAPR in OFDM System
Abstract: OFDM (Orthogonal frequency division multiplexing) is a multi-carrier modulation technique which provides better bandwidth efficiency at high data rate but the problem is it increases the PAPR. This increase in PAPR leads to loss of signal and in order rectify it cost of amplifiers has to be increased. Therefore, peak-to-average power reduction (PAPR) reduction is an important issue which is required to be solved. PAPR can be reduced by using …
Published in International Journal of Broadband Cellular Communication · Vol. 4, Issue 2, 2018 · pp. 23–29 Read article
-
Recent Developments in Low-Temperature Combustion (LTC) Strategies for Next-Generation Engines
Abstract: AbstractThe growing demand for cleaner and more efficient internal combustion engines has driven extensiveresearch into advanced combustion methods, among which Low-Temperature Combustion (LTC)strategies have emerged as a highly promising area. LTC offers a unique approach to enginecombustion by lowering the peak temperatures within the combustion chamber, thereby significantlyreducing the formation of nitrogen oxides (NOx) and particulate matter (PM) – two major pollutantsassociated with traditional engine designs. Importantly, LTC systems achieve …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 11, Issue 1, 2025 · pp. 7–12 Read article
-
Bench-Marking, Sustainability and Governance Aspects of Smart Cities
Abstract: Abstract Smart cities highlight important aspects of sustainability, such as the need for responsible resource management, energy efficiency, and citizen engagement. Smart cities are highly complex and interdependent, since they are built from large, interconnected systems. Studying them would therefore require an approach that works well in complexity. By studying the smart city concept through a Strategic Sustainable Development (SSD) approach, one is able to examine it from a systems …
Published in International Journal of Architecture and Infrastructure Planning · Vol. 1, Issue 2, 2015 · pp. 45–71 Read article
-
AI's Influence on Social Interactions
Abstract: Artificial Intelligence (AI) shows rapid transformational powers in numerous industries while creating profound changes to how people interact with each other. The continuing evolution of AI technologies that include machine learning and natural language processing together with robotics system transforms interpersonal communication in personal and professional domains. This study examines different ways that Artificial Intelligence influences social activities through its impact on human communication and emotional relationships and social connections …
Published in International Journal of Digital Communication and Analog Signals · Vol. 11, Issue 2, 2025 · pp. 17–27 Read article
-
Bio Impedance Technology and Measurement Using Sensitized Garments- as Review
Abstract: Bio impedance has the potential for playing an important role in this scope, especially because of its relatively reliable, electrode-based sensing principle and its broad range of applications. On the other hand, there are also some challenges for the successful exploitation of this technique in a wearable device, like the reduction of power consumption and the control and optimization of the measurement for a specific application using a wearable electrode …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 4, Issue 1, 2018 · pp. 16–23 Read article
-
Fault Diagnosis of Helical Gear Box Using Variational Mode Decomposition with Naïve Bayes and Bayes Net Classifiers through Vibration Signals
Abstract: Gear is a very important machine component which finds use in most of the machines which requires some sort of power transmission or reduction. Unattended faults in gears can be catastrophic for the machine leading to halts in production and consequent economic loss. The requirement for a gear fault detection and diagnosis system is thus emphasized. Vibration signals are often used in fault diagnosis applications along with Fast Fourier transform …
Published in International Journal of Manufacturing and Materials Processing · Vol. 1, Issue 1, 2014 · pp. 1–16 Read article
-
Comprehensive Review and Analysis of Gas Turbine Power Plant Performance: Impact of Operating Conditions, Ambient Temperature, and Cycle Configurations
Abstract: This study presents a comprehensive review of gas turbine (GT) power plants, focusing on simple and complex cycles. The review examines the influence of operating conditions, ambient temperature, and cycle configurations on GT performance. Turbine work and thermal efficiency decrease with increasing ambient temperature. Thermal efficiency increases linearly with compression ratio, but decreases with ambient temperature. Specific fuel consumption (SFC) increases with ambient temperature and lower turbine inlet temperature. Compression …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 12, Issue 1, 2026 · pp. 16–28 Read article
-
IoT Based Smart Street Lighting Surveillance System
Abstract: The control of street lights technology is one of the intelligent machines that greatly raises the cost of building a city's infrastructure. Without a doubt, intelligent street light regulation may lower the cost of public illumination. The increasing importance given to energy conservation and proper maintenance has resulted in the creation of reducing technology that allows for large power savings, the highest consideration for the ecology, and a decrease in …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 9, Issue 1, 2023 · pp. 1–7 Read article
-
Intelligence Video Surveillance Using Deep Learning
Abstract: Intelligent video surveillance powered by deep learning represents a transformative paradigm in security and surveillance. This new approach uses the power of complex neural networks to revolutionize the analysis and management of video data. Through the seamless incorporation of deep learning technologies like convolutional neural networks (CNN) and recurrent neural networks (RNN) into observation systems, automated identification, tracking, and classification of objects can be accomplished, alleviating storage constraints on the …
Published in International Journal of Software Computing and Testing · Vol. 10, Issue 1, 2024 · pp. 9–20 Read article
-
A New Method of Unicellular Alga Concentration using Hydrogen Bubbles Photoelectroflotation Process Powered by Solar Energy
Abstract: Most of the existing unicellular algae are used to enrich closed ecosystems with pure oxygen in the process of biosynthesis. The concentrate of unicellular algae contains not only living cells, but also the full range of water-soluble metabolites, contained in their nutrient medium. The concentrate of unicellular algae can be used in any existing animal feeding systems, as well as in the production of granular feed. The most interesting is …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 1, 2023 · pp. 1–16 Read article
-
Mechanical and Thermal Factors Contributing to Turbine Engine Failures
Abstract: Turbine engines are essential parts of aircraft and power plants because they operate in harsh mechanical and temperature environments, which increases the likelihood of their failure. This paper summarizes what is now known about the complex interactions between thermal loads and mechanical stresses in turbine engine breakdowns. Thermal aspects, such as thermal cycling, heat transfer methods, and cooling systems, are examined for their contributions to deterioration and structural integrity, while …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 10, Issue 1, 2024 · pp. 7–12 Read article
-
Biotechnology and Chemical Engineering Synergy for Environmental Remediation
Abstract: This study delves into the selection of bioremediation strategies tailored to the type and extent of contamination, highlighting the critical role of harmonizing nature's mechanisms with precision engineering. It explores the design and optimization of bioremediation systems, emphasizing reactor design, process control, and resource efficiency. Furthermore, it investigates the integration of microbial consortia and genetic engineering to enhance the efficacy of environmental remediation, presenting cutting-edge technologies that leverage the power …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 9, Issue 2, 2023 · pp. 6–11 Read article
-
STUDY AND IMPLEMENTATION OF INP MIS STRUCTURE AND GaAs FET DEVICES for ELECTRIC CONTROL APPLICATIONS.
Abstract: Compound semiconductors are well known for its high speed due to its higher mobility. Indium Phosphide and Gallium Arsenide are the compound semiconductor material considered in this paper for its study and characterization. Indium Phosphide MIS devices can be fabricated and its characteristics are studied. Here Indium Phosphide MIS capacitor is used as test vehicle for fabrication of other MIS devices. We noted down its breakdown voltage and leakage current. …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 2, Issue 2, 2016 · pp. 25–31 Read article
-
Rural electrification through micro-grid design case study
Abstract: We introduce the design and experimental demonstration of a scalable DC micro-grid for rural electrification in the developing regions. The distributed control of the grid voltage is one of the main features of the DC micro-grid architecture, which allows both instantaneous power sharing and a metric for available grid power. A droop-voltage power-sharing scheme is utilized wherein the bus voltage decreases in response to low supply/high demand. Besides that, the …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 12, Issue 1, 2026 Read article
-
Design and Fabrication of A Vertical Axis Darrieus Wind Turbine for Household Electricity Generation
Abstract: The Vertical Axis Darrieus Wind Turbine (VAWT) market is growing at 15% annually, valued at $2.1 billion, with rising demand for 10-30 kW models for residential use. This Paper focuses on designing and fabricating a compact, efficient, and low-maintenance VAWT optimized for urban applications and low wind speeds. Addressing gaps in blade design, adaptability, and cost, the turbine features helical blades modeled in SolidWorks for optimal geometry and performance.Polylactic acid …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 1, 2025 Read article
-
CAPITAL INVESTMENT PLANNING OF DISTRIBUTED ENERGY RESOURCES
Abstract: The benefits of DER are site specific. So in order to potentially utilize the advantages of dispersed generation it holds compulsively to reform management and to re-validate the operations of distribution network. It then follows picking up the optimal network topology and blending it with the best use of dispersed generation and retail market including real and reactive power. The minimization of related costs and satisfactory technical and physical constraints …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 2, 2016 · pp. 9–19 Read article
-
Analysis of Power Train Design of EV
Abstract: This paper represents a simulation evaluation of performance of the electric vehicle powertrain. Simulation has been performed of different settings for the powertrain and then the performance of each cycle is tested and compared. The motor used in the simulation is permanent magnet synchronous motor, a power converter with the gate drivers, a controller and battery. Four-wheeler passenger car has been selected for designing. The power train is designed, and …
Published in International Journal of Computer Aided Manufacturing · Vol. 9, Issue 2, 2023 · pp. 16–24 Read article
-
TurbochargedTwo-Stroke SI Engine as Back-up Range Extender for Battery Electric Vehicles
Abstract: Installation studies indicates that a compact single-cylinder two stroke Spark Ignited (SI)-engine with a swept volume of 400-500 cc is small enough to install in the heavy-duty Battery Electric Vehicle (BEV) application considered here. Four-stroke engines of similar power to the two-stroke engine would need additional installation volume because of the larger cylinder heads, bulky oil pans and the need for more cylinders to create the same number of power-pulses …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 7, Issue 1, 2021 · pp. 31–57 Read article
-
Electromagnetic Radiation (EMR) Based Smartphone Charging System
Abstract: Our lives are being profoundly affected by mobile phones, which we should always have with us. The risk for chronic exposure to cell phones is a more contemporary health concern associated with commonplace technology. Every cell phone produces considerable electromagnetic radiation (EMR). Even more can be done to transform the rays into energy, which can then be sent straight to the charger. The idea of transforming EMR into power is …
Published in International Journal of Analog Integrated Circuits · Vol. 8, Issue 1, 2022 · pp. 32–36 Read article
-
Bidirectional AC-DC Converter for Electric Vehicle Charger
Abstract: This paper presents a single-phase bidirectional ac-dc converter for electrical vehicle charger. The converter is operating in both rectifier and inverter mode depending upon the operation of switches. The bidirectional power flow in rectifier or inverter mode can be achieved by controlling the AC line voltage with PWM technique. For achieving bidirectional flow of power a unipolar or bipolar pulse width modulation (PWM) technique may be applied at ac side …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 26–28 Read article