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814 articles for “problems”
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A Review on Control Methods for Micro-grid based Distributed Generation System
Abstract: To counter the growing demand for energy, improvement in integration of distributed micro-grid based energy is the most promising problem in power system in the near future. The implementation of micro-grid systems offers significant advantages to both power suppliers and end customers. The current emphasis is on a comprehensive review of the control strategies and issues related to micro-grid and various droop control and strategy mode operation. This paper presents …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 2, 2016 · pp. 20–26 Read article
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Comparative Study of Searching Algorithms for Databases and Present New Idea For Better Searching
Abstract: Meta-heuristics encompass a very wide range of algorithms, all having very different underlying principles. But all these algorithms are stochastic in nature. Big data is an emerging field. Big data has some of its own problem, some of them being the optimization problems. This paper gives a brief glimpse of Meta-heuristics and its algorithm, big data and its corresponding fields. In the last section we also explain how these algorithms …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 1, Issue 2, 2016 · pp. 1–15 Read article
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Genetic Algorithm for Automatic Generation and Optimization of Course Timetable
Abstract: Creating a timetable is a very complex problem with multi-dimensional data. Generating these timetables manually comprises of various rounds of adjustments, to make the solution more gratifying. In this project a system will be proposed which produces an excellent solution for the timetabling problem. Here, the system will take various inputs from the users and produce the weekly timetable as output for them.
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 6, Issue 2, 2020 · pp. 12–19 Read article
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The 8051 Microcontroller Based Train Automation System Using Solar Panel
Abstract: Now a day’s public is facing many threats from the railway department by which they are hesitating to plan a train journey. The main reason for this is due to the accidents that occur due to negligence of train drivers. Though the railway department is trying to take actions to decrease such informal things but couldn’t see the face of success. To help out the department we have designed our …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 2, Issue 2, 2016 · pp. 8–14 Read article
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A Low-Carbon Economic-Load Dispatching Using PSO Technique
Abstract: This paper presents the solution of economic-load dispatch problem with quadratic cost function by using particle swarm optimization (PSO). PSO technique is useful at solving optimization problems with both single- and multiple-objective functions with non-convex, discontinuous, noisy and non-differentiable solution. The results show that PSO has the ability of minimizing the cost of productions in power system operations. Carbon emission characteristics of all kinds of power units are analysed against …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 4, Issue 1, 2018 · pp. 17–25 Read article
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NOVEL TECHNIQUES FOR ENERGY CONSERVATION IN WIRELESS SENSOR NETWORKS (WSN)
Abstract: The rapid growth of wireless services in recent years is an indication that considerable value is placed on wireless networks. Wireless devices have most utility when they can be used anywhere at any time. Yet one of the greatest challenges is limited energy supply. In the recent years, Wireless Sensor Networks (WSN) has gained good attention from both the research community and actual users. As sensor nodes are generally battery-energized …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 7–26 Read article
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Route Planning Using Vehicles' Routing Algorithms
Abstract: The term "vehicle routing problem" (VRP) refers to optimization issues in the transportation, distribution, and logistics industries. They primarily concentrate on supplying a large number of customers with a variety of cars. Function of vehicle routing problem VRP is Determine the best path from a starting point to a road map destination using route planning tools. Because road traffic circumstances (e.g., congestion level, road incidents, etc.) can change during a …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 7, Issue 2, 2021 · pp. 20–24 Read article
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2-D ELECTRICAL RESISTIVITY TECHNIQUE FOR GROUNDWATER EXPLORATION IN IKERE – EKITI, NIGERIA
Abstract: The electrical resistivity techniques become one of the most widely used geophysical survey methods. Electrical resistivity method has been applied to various fields like groundwater and subsurface resource exploration. In the past, electrical resistivity was used in engineering, environmental and archaeological purposes. Its reliability depends on the expert interpretation skills of geophysicist. Applicable technique in groundwater exploration like electrical resistivity method which complement with existing conventional method will produce comprehensive …
Published in International Journal of Energetic Materials · Vol. 5, Issue 1, 2019 · pp. 1–8 Read article
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Evaluation of Rivers State Promotional Strategies for Virtual Power Plant using 100% Renewable
Abstract: The physical wellbeing of people is attributed to efficient energy, and it is also pivotal in thedevelopment of a country’s economy. In Nigeria, constant availability of power has become a problemfrom independence to this day. Energy from biomass, wind solar and hydro-power, would be helpful insolving the country’s problem in terms of electricity. It is estimated that Nigeria can produce 2.01 EJ(47.97 MTOE) of energy from 168.49 million tones of …
Published in International Journal of Energetic Materials · Vol. 7, Issue 1, 2021 · pp. 22–31 Read article
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Treatment of Oil Spills and Heavy Metals in Environment
Abstract: Treating oil spills and heavy metals is the problem of the old decades and continued to find technicalsolutions to address the problems of pollution with heavy metals and oil spills in sea waters as aresult of transporting oil in ships. In general, the health of all marine and terrestrial organisms aswell. This term usually refers to offshore oil spills, where oil is poured into the ocean or coastalwaters, but may …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 1, 2021 · pp. 9–16 Read article
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Applications of Composite Materials in Aerospace Industry
Abstract: Composites are becoming increasingly important in the aerospace industry. At least 30–40 per cent of modern airframes are now made of composites, and this percentage is increasing rapidly due to technological advances in the field. Fibre-reinforced polymer composite materials are fast gaining ground as preferred materials for construction of aircrafts and space crafts. This paper gives a review of some of these developments with a discussion of the problems with …
Published in International Journal of Composite and Constituent Materials · Vol. 3, Issue 2, 2017 · pp. 5–10 Read article
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Design and Analysis of Ergonomic Transport Friendly Collapsible Executive Office Chair
Abstract: Now a day’s office chairs are frequently used in all IT companies and industries. They are more in demand products of office furniture but are specifically designed for use in indoor workstation (or work area). It is difficult to transport from one place to another, as it is not collapsible and occupies large space in the working area as well as on the trucks. Therefore, to avoid this difficulty, design …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 1, 2016 · pp. 01–07 Read article
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Design and Optimization of Dual Operative Electric Bicycle
Abstract: Electric Power Assisted Bicycle (EPAC) is becoming the transport and fitness tools that individuals pursue thanks to its green, healthy, and economical characteristics. Compared to the standard electric bike, EPAC not only reduces the burden on the rider, but also maintains the first bicycle characteristics. In recent days, normal traditional bicycle is not used as often as they were accustomed. Thanks to their low speed and always desperate to push …
Published in International Journal of Mechanics and Design · Vol. 7, Issue 2, 2021 · pp. 35–40 Read article
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Surveillance Unmanned Aerial Vehicle
Abstract: India is now the world most populated country, but when it comes to the safety of womenand children, we are still lacking behind. It’s very hard to reach every corner of the nationand to have an eye on the crimes being committed. Taking this problem on priority We havedeveloped a simple yet an effective solution to this problem – “Surveillance UnmannedAerial Vehicle In this essay, we discuss U.A.V civil applications …
Published in International Journal of Manufacturing and Materials Processing · Vol. 8, Issue 2, 2022 · pp. 26–33 Read article
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Software compatibility & execution with additive manufacturing machine
Abstract: The usage of additive manufacturing (AM) for production and final products is expanding quickly. In greater numbers than ever, machineries are able to consistently produce high-quality parts that take use of the inventive complexity presented by the sector. However, the transition from an idea to produced items using digital technology is less seamless and less profitable than it should be. AM components OEMs, AM-enabled job shops, and service bureaus invest …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 1, 2023 · pp. 22–30 Read article
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Intelligent Gear Inspection: Defect Detection through Digital Image Processing Algorithms
Abstract: A significant contributor to poor reliability and a source of humiliation for businesses are gear problems. The majority of the inspection procedures used in these businesses are laborious and manually. More thorough and accurate inspection procedures are needed to improve accuracy in finding gear problems. The present work fills this gap by implementing a Gear Defect Recognizer that uses local thresholding in conjunction with computer vision methodology to spot potential …
Published in International Journal of Computer Aided Manufacturing · Vol. 9, Issue 1, 2023 · pp. 13–21 Read article
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Case Study of a Typical Underperformed Waste Heat Recovery Power Plant and Remedial Measures
Abstract: With the development of technology, the efficiency of combined-cycle gas turbine (CCGT) has crossed the barrier of 60%. In this paper, a typical problem of low-output generation of a CCGT plant is analysed. During 1st four months of operation of the plant, the sustainable steam turbine power output was between 36 and 36.5 MW against the design output of 37.2 MW. This marginal drop is acceptable considering the degradation factor …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 3, Issue 1, 2017 · pp. 47–57 Read article
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Evaluation of Various Numerical Methods in Large Scale FE Simulation Codes for 3D Crack Propagation
Abstract: In this paper, four different numerical methods implemented in the large scale simulation code LS-DYNA are evaluated to determine their abilities and limitations in fracture problems especially 3-d crack propagation problems. Similar formulations are implemented in the code ABAQUS as well. These methods are: Finite Element Method (FEM), Discrete Element Method (DEM), Element Free Galerkin (EFG) method and Extended Finite Element Method (XFEM). Their methodologies are briefly described and several …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 44–66 Read article
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Effectiveness of Video-Assisted Teaching on Knowledge and Self-Care Skills of Patients Subjected to Valvular Replacement Surgery
Abstract: Valvular heart disease (VHD) remains common in industrialized countries. Two most common types of valvular disease are aortic stenosis and mitral regurgitation. The prevalence of valvular disease increases sharply with age, owing to the predominance of degenerative etiologies. The burden of heart valvular disease in the elderly has an important impact on patient management, given the high frequency of morbidity and the increased risk associated with intervention in this age …
Published in International Journal of Cardiovascular Nursing · Vol. 4, Issue 2, 2018 · pp. 1–8 Read article
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A Study to Assess the Nutritional Status Among the Elderly Population in the Selected Setting
Abstract: The population of the elderly is increasing in India. Healthy population of all age contributes to the healthy nation. Food is a vital component of survival. Old age people are at risk of many health problems. Prevalence of malnutrition increases the risk of health problems to the elders. The present study aimed at assessing the nutritional status of the elderly population living at Perumatty grama pachayat at Palakkad district Kerala …
Published in International Journal of Geriatric Nursing · Vol. 1, Issue 1, 2018 · pp. 13–16 Read article