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785 articles for “Operational research”
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A Comparative Financial Performance Assessment of Select FMCG Companies in India: Evidence from HUL and Britannia Industries
Abstract: This study takes a close look at the financial performance of two major players in India’s FMCG sector: Hindustan Unilever Limited (HUL) and Britannia Industries Limited (BIL). It covers the period from FY 2022–23 to FY 2024–25, with a focus on how each company manages its finances, grows its business, and keeps profits up in a market that’s always competitive. The analysis relies on secondary data from published annual reports …
Published in Journal of Production Research & Management · Vol. 16, Issue 1, 2026 · pp. 51–67 Read article
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Design and Simulation of FIR Filter using VHDL
Abstract: Digital Signal Processing (DSP) has gained great popularity in the recent years. DSP is used in the field of communication, medicine and entertainment. Earlier the digital signals use is expensive in the communication devices. DSP makes use of the digital filters in the communication equipment. The basic building block of the digital filter-adder, coefficient multipliers and delays. Digital filter can be implemented efficiently by selecting an efficient representation for filter …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 1, 2018 · pp. 19–28 Read article
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Implementation of a 4-Bit Synchronous Counter in SkyWater 130 nm CMOS Technology Using Open-Source EDA Tools
Abstract: As semiconductor technology continues to scale down, the physical layout of integrated circuits has become increasingly critical in determining performance, power consumption, and area efficiency. This paper presents the complete physical design implementation of a 4-bit counter, from Register Transfer Level (RTL) to GDSII, using the SkyWater 130 nm open-source Process Design Kit (PDK) and the OpenLane automated physical design flow. Functional verification of the RTL design was initially performed …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 4, Issue 2, 2026 Read article
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Use of Geopolymers for Environmental Sustainability
Abstract: Geopolymers are a rapidly growing matter with enormous potential for improving environmental sustainability in the construction sector. This study highlights the use of geopolymers as eco-friendly alternatives to traditional building materials, with special emphasis on their role in reducing the environmental effect of construction operations. It also focuses on the chemical composition, mechanical characteristics, environmental sustainability, etc. of geopolymers, along with their benefits over conventional materials such as portland cement. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 35–43 Read article
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Tackling Water Hardness: Understanding the Issue for Sustainable Development
Abstract: Hard water poses a serious threat to human health and industrial operations. The pervasiveness of water hardness, characterized by elevated concentrations of calcium and magnesium ions, originates from seepage and runoff from soils, as well as polyvalent metallic ions from sedimentary rocks. These minerals, while essential in moderate amounts, can become problematic when consumed in excess. Epidemiological studies have established correlations between excessive consumption of calcium and magnesium and increased …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 73–79 Read article
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Bluetooth-Based Remote-Controlled Home Automation System for 1 Load
Abstract: The evolution of wireless technology has catalyzed the integration of wireless based automation into various aspects of human life, notably impacting home environments. Home automation, characterized by the incorporation of technology facilitating the automatic control of devices and systems, has emerged as a significant contributor to modern living standards. This technological paradigm shift not only enhances the convenience and comfort of everyday life for the general populace but also serves …
Published in Recent Trends in Electronics Communication Systems · Vol. 10, Issue 2, 2023 · pp. 43–48 Read article
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Motors Using a Deep Learning-Based Torque Control with Torque Ripple Reduction under Nonlinear Magnetic Conditions
Abstract: This research discusses a deep learning strategy for torque management to minimize the effect of torque ripple in a nonlinear electric motor. Nonlinear electric motor losses may include: magnetic saturation, harmonic flux losses and inverter losses. In many cases when the system parameters deviate and/or instability issues occur, the traditional method with a model-based approach or PI control may encounter challenges. In this case, the authors proposed a hybrid approach …
Published in International Journal of Advanced Control and System Engineering · Vol. 4, Issue 2, 2026 Read article
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Bond Behavior of Reinforced Concrete using Artificial Sand with Quarry Dust as Fine Aggregate
Abstract: Reinforced concrete (RC) is most widely used material in the construction industry. Normally natural sand is used as fine aggregate in the production of conventional concrete. Natural sand is obtained from the river bed through mining operation. To fulfill the requirement of construction industry excessive mining of sand from river bed has been carried out. It is causing threat to the natural environment. Hence, Indian government has led down restrictions …
Published in Journal of Geotechnical Engineering · Vol. 3, Issue 1, 2016 · pp. 44–50 Read article
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Techno-economic Assessment of a Domestic Refrigerator with Aluminium-based Suction Line and Capillary Tube
Abstract: The present work reports the experimental performance evaluation of aluminum suction line-based domestic refrigerators. Furthermore, it compared domestic refrigerators with conventional copper capillary tubes and suction lines using R600a as a refrigerant. Performance parameters: energy consumption, ice-making time, and pull-down time was reduced significantly compared to conventional copper suction and capillary tube. Refrigerants having Ambient temperature for ice making test and pull down were initially set at 43°C and that …
Published in Journal of Polymer & Composites Read article
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Conceptual Study on Kukkutanda Pinda Sweda: A Review Article
Abstract: Swedana is a procedure that is most commonly used as Poorva-Karma (pre-operative) before any Panchakarma therapy. Swedana relieves from stiffness, heaviness, and coldness in the body. After Swedana, the body starts sweating and gives the feeling of lightness in the body. It can be performed by various methods. Pinda Sweda is based on the principle of Sankara Sweda. In this procedure, the materials are tied in a cloth and used …
Published in Research and Reviews: A Journal of Health Professions · Vol. 10, Issue 3, 2020 · pp. 14–18 Read article
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Restructuring of Sanitation Structures: Reviewing Technological Changes
Abstract: This paper comprehensively reviews the latest technological advancements in rural sanitation systems, focusing on developing urinals and toilets. In many rural areas, improper toilet waste disposal directly into water bodies has led to environmental contamination. In addressing this issue, biological processes are used to degrade fecal matter. However, contemporary challenges include bacterial infections from unhygienic toilets, persistent foul odors, and poorly designed toilet pans. Additionally, more community engagement is needed …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 67–80 Read article
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Guardian of the Sky: Drone Detection and Jamming Technology
Abstract: India has reported remarkable growth in drones in the past ten years for both commercial and defense uses that led to extremely intricate problems. Systems operate as the major onset of the risks involved that might be associated with drone operations. This article provides a comprehensive evaluation of counter-drone systems, with a particular focus on two fundamental aspects: radar targeting, tracking, and other technologies. The main objective of the study …
Published in Journal of Advancements in Robotics · Vol. 11, Issue 2, 2024 · pp. 19–25 Read article
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Chemical Patents and Filing Practices in India: Trends, Processes, and Legal Framework
Abstract: India, recognized as the fifth-largest global economy, holds the 7th position in the chemical sector and ranks 11th in chemical and petrochemical exports worldwide. Despite this significant standing, the country witnesses comparatively fewer patent applications in this domain. The global chemical and petrochemical industry, although complex in nature, serves as a critical element of economic development and supply chain operations. This paper explores the interconnectedness of innovation, patents, and chemical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 163–171 Read article
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Real Time Alcohol Detection with Accident Prevention System Using Arduino
Abstract: The aim of our research work is to present a project designed to make human driving safer and to significantly reduce road accidents caused by drunk driving. This project integrates an MQ3 alcohol sensor with an Arduino-based system using the ATmega328 processor, which offers enhanced functionality compared to conventional microcontrollers. The MQ3 sensor is capable of detecting alcohol content in a person’s breath and has a sensitivity range of approximately …
Published in Journal of Instrumentation Technology & Innovations · Vol. 15, Issue 3, 2025 · pp. 19–26 Read article
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Sustainable Supply Chain Models for Polymer and Composite Manufacturing: A Data-Driven Assessment of Circular Material Flows
Abstract: Polymer and composite manufacturing is faced with growing demands in waste reduction, resource management, and making a shift towards circular economy principles. Although urgent, the adoption of data-driven tools in each step of a supply chain to facilitate efficient cyclic material flows is low. This paper designs and empirically analyzes sustainable supply chain design in polymer and composite production with a focus on digital traceability, closed-loop and material recovery, and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 54–71 Read article
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Dual-Wavelength and Tunable Fiber Lasers for Microwave Photonic Applications
Abstract: Dual-wavelength and tunable fiber lasers have emerged as key enabling technologies for advanced microwave photonic (MWP) systems, offering high spectral purity, wide tunability, and enhanced stability. These laser sources play a critical role in generating and processing microwave and millimeter-wave signals through optical means, enabling low-loss transmission and immunity to electromagnetic interference. This review presents recent progress in the design and implementation of dual-wavelength and tunable fiber lasers, highlighting their …
Published in Journal of Microwave Engineering and Technologies · Vol. 13, Issue 1, 2026 · pp. 17–25 Read article
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Enhancing Health of Workers in the Water Sector Through Effective Governance, Risk Management, and Environmental Safety Standards
Abstract: The water sector is fundamental to achieving sustainable development, safeguarding public health, supporting economic advancement, and ensuring environmental preservation in any nation. This paper explores how effective governance, comprehensive risk management frameworks, and strict adherence to environmental safety standards can contribute to improving the health and well-being of engineering professionals and workers within the water sector. The research methodology comprises an extensive literature review, detailed case studies, field visits to …
Published in Journal of Water Resource Engineering and Management · Vol. 12, Issue 3, 2025 · pp. 20–30 Read article
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Subacute Intestinal Obstruction: Clinical Profile and Short-term Follow up in a Tertiary Care Hospital in Bangladesh
Abstract: Background: Subacute intestinal obstruction (SAIO) implies incomplete, intermittent, or recurrent obstruction. The diagnosis of SAIO is usually delayed and several patients continue to suffer from symptoms for weeks and months due to the waxing and waning nature of the disease. Objective: To see the clinical presentation, aetiology, type of management and short-term outcome of the patients of SAIO. Method: This prospective cohort study was performed in the Department of Gastroenterology, …
Published in Research and Reviews : A Journal of Immunology · Vol. 8, Issue 3, 2018 · pp. 19–23 Read article
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Optimization of Production Processes to Minimize Waste and Improve Efficiency in Automobile Servicing Plant Using Lean Six Sigma
Abstract: This study focuses on optimizing production processes within an automobile servicing plant to minimize waste and enhance efficiency through the application of lean six sigma (LSS) methodologies. Utilizing a case study approach, the research addresses real-time challenges related to productivity and waste reduction. Data collection involves assessing machine functionality metrics, material and labor flow at various stages of the servicing process. The optimization strategy integrates lean tools including value stream …
Published in International Journal of Manufacturing and Production Engineering · Vol. 2, Issue 2, 2024 · pp. 47–63 Read article
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Very Short-Term Load Forecasting Using Gaussian Process Regression
Abstract: Very Short-Term Load Forecasting (VSTLF) is critical for real-time grid stability, frequency control, and economic dispatch. This study proposes a Gaussian Process Regression (GPR)-based framework for one-hour-ahead load forecasting using hourly data from January 2020 to April 2024 for Delhi, India. The model incorporates meteorological data such as temperature, humidity, and dew point with lagged load values. The research takes into account time-related dependencies and seasonal changes in order to …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 · pp. 91–104 Read article