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733 articles for “Engineering optimization”
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Optimized Test Suites with Small Code Coverage in Software Testing
Abstract: A common scenario in software testing is to test the data is to be generated and tester manually adds test oracles.It meausured using code coverage and fundamental problemwith common apporach is coverage the goals and how an of them are feasible. In this whole test suites are evovled covering all goals at same time.Its effectiveness not added by number of infeasible targets in code.It has a novel approach in approach …
Published in Journal of Web Engineering & Technology · Vol. 1, Issue 1, 2014 · pp. 24–27 Read article
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Experimental Analysis of Aramid Fiber Reinforced with Tungsten Carbide
Abstract: This study investigates the mechanical performance of aramid fiber-reinforced epoxy composites enhanced with varying weight percentages of tungsten carbide (WC) powder as a secondary reinforcement. The composites were fabricated using both the hand lay-up and vacuum bagging techniques to ensure uniform dispersion of materials and quality surface finish. Tungsten carbide particles with an average size of 4 microns were incorporated into the aramid fiber matrix at incremental concentrations of 0%, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 146–157 Read article
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A Review: The Design of Photovoltaic Thermal Technology with Compound Parabolic Concentrator
Abstract: In this paper, photovoltaic cell with compound parabolic solar concentrator has been studied. The interior surface is covered with the reflector. The use of photovoltaic thermal system in combination with concentrating reflectors has a potential to significantly increase power production from a given solar cell area. The absorber of the combined photovoltaic/thermal (PV/T) collector under investigation consists of a module of solar cells for generating electricity, compound parabolic concentrator (CPC) …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 38–45 Read article
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Investigation of Performance Characteristics of Shell and Tube Heat Exchanger Using Helical Baffles with Parallel Flow and Counter Flow Arrangements
Abstract: AbstractShell and tube heat exchangers are widely used in process industries and refineries owing to ease of manufacturing and versatile operations. The designer always focuses on improvement in performance characteristics of STHX, based on the given heat duty and geometrical constraints. Several researchers and investigators have suggested various methods for performance optimization of shell and tube heat exchangers. In the present work, experimental investigation is performed using helical baffles in …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 14–19 Read article
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Study of Machining Parameters by Pure Copper and Brass Powder Metallurgy Tool Electrode in EDM
Abstract: In manufacturing today powder metallurgy has become competitive with processes such as casting, forging and machining particularly for relatively complex parts made of high-strength and hard alloys. Recent advances in this technology now permit manufacture of structural parts of aircraft such as landing gear, engine mount supports, engine disks, impellers and engine nacelle frames to be made by powder metallurgy operation. The aim of this paper is to design an …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 6, Issue 2, 2015 · pp. 31–40 Read article
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Performance Evaluation of Semi-Dense Bituminous Macadam with Crumb Rubber Modified Bitumen
Abstract: This research focuses on evaluating the performance behavior of Semi-Dense Bituminous Macadam (SDBM) mixes incorporating 9% Crumb Rubber Modified Bitumen (CRMB), with varying proportions of bitumen binder. The aim is to understand how different binder contents influence critical pavement properties such as Marshall stability, flow value, bulk density, air voids, Voids in Mineral Aggregate (VMA), and Voids Filled with Bitumen (VFB). The experimental investigation reveals that increasing the bitumen content …
Published in Journal of Construction Engineering, Technology & Management · Vol. 15, Issue 2, 2025 · pp. 15–20 Read article
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Genetic Algorithm Application in Shunt Active Power Filter Applied in Constant Frequency Aircraft System
Abstract: Constant Instantaneous Power Control(CIPC) technique for extracting reference currents for shunt active power filters have been optimized using Genetic Algorithm and its performances have been compared. The delicate analysis of assessment of the compensation ability based on THD and compensation time will be done, and commendations will be presented for the preference of technique to be used. The simulated results using Simulink model are shown, and they will indubitably demonstrate …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 44–50 Read article
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Energy-Efficient Design Strategies for Sustainable Machine Tool Development
Abstract: The design of energy-efficient machine tools is essential for promoting sustainable manufacturing, as it addresses the significant energy consumption and carbon emissions generated by these tools in industrial settings. This study investigates innovative design approaches that enhance energy efficiency, with a focus on lightweight materials, improved drive systems, smart control frameworks, and methods for recovering energy. Implementing lighter structural materials allows machine tools to operate with less force, which in …
Published in Trends in Machine design · Vol. 12, Issue 3, 2025 · pp. 30–34 Read article
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AI-Assisted Defect Detection in Polymer Composite Insulators Using an Optimised Ensemble Deep Learning Framework for Structural Health Monitoring
Abstract: Polymer composite insulators, particularly those made from silicone rubber and epoxy resins, are increasingly adopted in high-voltage transmission systems due to their superior electrical insulation, lightweight design, hydrophobicity, and environmental durability. Despite their advantages, these materials are susceptible to surface degradation, mechanical cracking, and flashover under prolonged exposure to environmental pollutants, thermal stress, and electrical aging. Accurate, real-time condition assessment of these composite insulators is critical for ensuring operational safety, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 253–261 Read article
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Role of Hybrid Controller Based FACTS Devices in Relieving Power Crisis
Abstract: The power crisis is a global concern for research and development engineers. These issues may be summarized manifold. These issues may be sudden outage/ failure of power system network, considerable power loss on the line, the voltage flickers, lack of proper equipment’s to monitor and protection, presence of significant harmonic level in the line that affects the performance of the equipment connected to line. Some of these issues may persist …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 1, 2022 · pp. 1–10 Read article
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Performance Evaluation of Wood Gasifier
Abstract: Generating electrical energy through biomass has advantages besides achieving self-sustainability. Biomass is particularly useful for agriculture dependent economy nations like India. Energy conversion systems based on biomass are particularly interesting because biomass utilization effectively closes the carbon cycle. An experimental investigation on biomass based gasifier engine system of 35kVA capacity has been carried out for power generation application. Problems of cooling and cleaning hot and dirty gas from gasifier has …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 3, Issue 3, 2012 · pp. 1–9 Read article
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A Study on Chatter Marks in Crankshaft Pin Grinding Process Using Taguchi Technique
Abstract: Crankshaft pin grinding is a vital machining process in automotive industry. It is a finishing operation to the crankshaft of the engine, which if neglected could lead to a significant cost to the manufacturer of warranty claims. The study aims at identifying significant process parameters that are influencing the chatter marks and also setting the process parameters of the machine to get a good quality product. Chatter marks are the …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 1, 2018 · pp. 1–5 Read article
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Formation and Fabrication of A 3D- Printed Polymer Propeller for Improved Propulsion and Minimal Acoustic Emission: A Comparative Study for Small Unmanned Vehicles
Abstract: The current research focuses on a comparative analysis of propeller designs to identify an option that enhances thrust efficiency while minimizing acoustic noise. The study evaluates three distinct types of propellers: the traditional three-blade propeller, the Sharrow propeller, and a novel aero propeller featuring an air foil-shaped cross-section. To facilitate a hands-on analysis, these propellers were produced using 3D printing technology, specifically employing ABS filament through a Fused Deposition Modelling …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 252–261 Read article
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Application of Neural Network Analysis to Correlate the Properties of Plasma Spray Coating
Abstract: Thermal spray coatings are more often being demanding process at the recent stages of industrial design processes to become fundamental element of the engineering system. The aim of the present paper is to develop a model-based estimation and control for regulating the coating adhesion strength, by using neural network. This proposed model permits cost reduction by the possibility of adjusting the parameter of the process for each of the desired …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 1–10 Read article
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High-Performance Biodegradable Films from Bamboo Derived Cellulose Nanofibers and Silk Fibroin: Engineering Sustainable Polymer Composites
Abstract: This research presents the advancement of biodegradable composite films from cellulose nanofibers (CNFs) extracted from bamboo and silk fibroin (SF) derived from Bombyx mori cocoons. CNF/SF composites were fabricated in three different compositions—CS10, CS30, and CS50—via aqueous blending and solution casting, followed by ethanol-induced β-sheet stabilization. Mechanical testing confirmed a considerable enhancement in tensile strength from 72 MPa (CS10) to 112 MPa (CS50), while Young’s modulus improved from 2.4 GPa …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 256–265 Read article
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Comparison of Simulations Results of Fuzzy Logic, Neural Network and Conventional Scheme Based Controller for SAF in Constant Frequency Aircraft System
Abstract: SRF control strategy for finding reference currents for active power filters have been optimized using artificial neural network, fuzzy logic control and their performances have been evaluated. The acute analysis of comparison of the compensation capability based on THD and speedwell be done, and recommendations will be given for the choice of technique to be used. The simulated results using MATLAB model are shown, and they will undoubtedly prove the …
Published in Journal of Aerospace Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 1–9 Read article
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UTILIZATION OF INDUSTRIAL AND MUNICIPAL WASTE MATERIALS IN SOIL STABILIZATION OF RURAL ROADS: A REVIEW
Abstract: In India, the growth of rural sector directly depends on the road connectivity, which provides the platform and sustainability for economic activities in rural areas. However, difficult topography and unstable geology make the rural road constructions hard. Therefore, the locally available waste materials can be utilized to improve the soil characteristics and can promote the low cost road construction. The present Study is aimed to review the improvement of engineering …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 40–44 Read article
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Fuzzy Logic Controlled Shunt Active Power Filter for Constant Frequency Aircraft Power System in Balanced and Unbalanced Loads Conditions
Abstract: Synchronous reference frame technique for extracting reference currents for shunt active power filters has been assessed for 400 Hz aircraft electric power system. From that point forward, its performance has been compared when optimized using fuzzy logic control. Critical analysis of comparisons of the compensation ability of these two techniques based on THD and compensation time will be done, and suggestions will be given for the selection of the best …
Published in Journal of Aerospace Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 79–88 Read article
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Fabrication and Characterization of Hybrid Composites Using Natural Fibers Reinforced in HDPE and Optimization of Injection Moulding Process Parameters to Minimize Shrinkage
Abstract: Materials are crucial for advancing human living standards. Over the past 20 years, composite materials have garnered significant attention owing to their unique properties and applications across various sectors. This study outlines the creation and analysis of a novel series of natural fiber-based composites, which incorporate jute, sisal, and hemp as reinforcements, with high-density polyethylene (HDPE) serving as the matrix, and produced through injection moulding. This study examines the effects …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 556–585 Read article
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Autonomous Calibration of Medical Devices Using Synthetic Biosignals and Adaptive Learning
Abstract: The accuracy and reliability of modern biomedical diagnostic devices are critically dependent on effective calibration mechanisms capable of handling dynamic physiological and environmental variations. Conventional calibration approaches, which rely on static reference signals and manual adjustments, are inadequate in addressing challenges such as sensor drift, noise interference, motion artifacts, and long-term performance degradation. To overcome these limitations, this research proposes an innovative AI-driven adaptive biosignal simulation and calibration architecture for …
Published in Journal of Instrumentation Technology & Innovations · Vol. 16, Issue 2, 2026 Read article