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355 articles for “Space-time”
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Design and Simulation of Speed Control of DC Motor and DC Voltage Control of Two Quadrant Chopper
Abstract: The DC motors are most suitable for wide range speed control and hence it is used in many adjustable speed drives. The DC motors are generally fed by chopper circuit for improved performance. In order to get smooth and precise control over the speed of DC motor, many different types of controllers have already been introduced. In this paper, two discrete-time multi-input and multi-output optimal controllers, one for control of …
Published in Trends in Electrical Engineering · Vol. 4, Issue 3, 2014 · pp. 26–34 Read article
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Real-time Gas Lift Valve to Enhance Well Performance
Abstract: Optimum production from a gas lift well mainly depends on proper injection gas quantity; injection pressure and depth of injection and gas lift valve performance. The quality of down hole gas lift valves plays a crucial role in achieving maximum efficiency of a gas lift system and uninterrupted oil and gas production. Gas lift valves can aid in the unloading and produce of a well. With the valves properly spaced …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 1–10 Read article
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Signal Drift Compensation in Polymer-Based Wearable Biosensors Using Data Processing Techniques
Abstract: Polymer-based wearable biosensors have emerged as promising platforms for continuous physiological monitoring due to their mechanical flexibility, low operating voltage, and compatibility with soft biological interfaces. However, their long-term deployment remains challenging because of signal drift caused by polymer ageing, hydration–dehydration cycles, ionic trapping, and environmental variations. These effects introduce baseline fluctuations and sensitivity degradation, which compromise the reliability and interpretability of physiological measurements. This study proposes a data-processing–driven framework …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 197–207 Read article
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Standardization of Seedling Raising Techniques of Medicinal Herb Kalmegh
Abstract: ABSTRACTKalmegh (Andrographis paniculata) is an important medicinal herb in India and it is widely used as hepatoprotective, immunomodulator, anti–inflammatory, anti–malarial, anti-diarrhoeal and with beneficial effect on respiratory and cardiovascular systems. In the present study good nursery raising practices were standardised. We did preliminary standardized during 2007 followed by detailed study in the successive two years (2008–2009). Optimum numbers of seedlings for transplanting were produced with 3g seed/m row spaced at …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 1, Issue 3, 2012 · pp. 23–31 Read article
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Implementation of FSO Link for Full Duplex Short Range Communication
Abstract: Extensive data transfer is a need of all modern communicating devices. Wired communication requires lots of bulky wires to be laid everywhere. To setup a small ad hoc network, it is not advisable to lay down long wires. Other than requirement of wires, one also needs very good communication speed to withstand the need of very high bandwidth for multimedia data transfer. A communication link that satisfies both the requirements …
Published in Journal of Electronic Design Technology · Vol. 7, Issue 2, 2016 · pp. 8–15 Read article
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Appliance Scheduling Optimization For Demand Response Using Schedulling Algorithm
Abstract: The exploration concentrates on the test of the power utilization the board in keen networks. It centers around various effects of interest reaction running in the savvy matrix connecting with buyers to take part. The principle obligation of the interest reaction framework is planning the activity of machines of customers to accomplish an organization wide advanced execution. Each taking an interest power purchaser, who claims a bunch of home machines, …
Published in Journal of Electronic Design Technology · Vol. 12, Issue 2, 2021 · pp. 10–16 Read article
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Real-time Mask Detector (Monitoring COVID-19)
Abstract: This study presents the development and implementation of a real-time mask detection system designed to monitor and enforce mask-wearing policies during the COVID-19 pandemic. Utilizing a convolutional neural network (CNN) and a dataset consisting of annotated images, our system can accurately detect the presence or absence of masks on individuals in various environments. The proposed system achieves high accuracy and can be deployed in public spaces to help mitigate the …
Published in International Journal of Radio Frequency Innovations · Vol. 2, Issue 2, 2024 · pp. 42–49 Read article
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Use of Earthen Materials in Interior Spaces
Abstract: This research paper investigates the utilization of earthen materials within interior spaces, focusing on their sustainable attributes and aesthetic potential. In the context of contemporary design practices, there is a growing interest in integrating natural materials that offer environmental benefits and promote well-being. Earthen materials, including clay, adobe, terracotta, and rammed earth, present promising opportunities for sustainable interior design solutions. The research begins by examining the historical and cultural significance …
Published in International Journal of Architectural Design and Planning · Vol. 2, Issue 1, 2024 · pp. 40–49 Read article
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Integrating Respondents’ Knowledge in the Moheshkhali Island MSP: A Framework for Sustainable Management Planning
Abstract: Across the globe, efforts are underway to establish comprehensive plans for oceanic regions, aimed at fostering sustainable governance and management of these vital environments. One such approach gaining prominence is marine spatial planning (MSP), which aims to systematically arrange the utilization of ocean space and resources as well as facilitate harmonious interactions among various human activities. This method is increasingly being embraced as an integral tool in the realm of …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 2, 2023 · pp. 11–24 Read article
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Feasibility Analysis of Advanced Modulation Techniques for FSO in Different Weather Conditions
Abstract: AbstractIn recent times, the ever increasing demand of higher bandwidth and more data rate had led researchers to explore new dimensions in wireless technology. One of the most promising fields is that of free-space optics (FSO). Light is used to carry information through space with the physical medium being the air. This paper investigates the effect on Q-factor and power loss for various advanced modulation schemes under different weather conditions. …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 1–7 Read article
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An Intelligent Fuzzy Based Framework for Prediction of Heart Diseases
Abstract: Coronary illness conclusion is a confusing procedure and requires an abnormal state of aptitude. In the space of medicinal analysis, there are various factors that influence the choice procedure along with these lines causing the distinctions in the assessments of the experts. There are numerous questionable hazard factors, so at times ailment conclusion is hard for specialists. Having huge numbers of components to dissect to analyze the infection of the …
Published in Journal of Advances in Shell Programming · Vol. 6, Issue 1, 2019 · pp. 1–7 Read article
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Study in Variation of Ozone Concentration over Indian Subcontinent using Ozone Monitoring Instrument data
Abstract: Normal 0 false false false EN-US X-NONE X-NONE The paper gives an overview of a major application of remote sensing satellites in monitoring the ozone concentration present in the atmosphere. Ozone makes a significant contribution to the radiative balance of the upper troposphere and lower stratosphere and is an important constituent in the atmosphere, for it provides a protective shield against the harmful ultraviolet radiations. However, in the recent times, …
Published in Journal of Remote Sensing & GIS · Vol. 2, Issue 2, 2011 · pp. 13–20 Read article
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Space Pharmacy for Human Space Exploration: Overcoming Drug Stability, Packaging Challenges, Pharmacokinetic Variations, and Developing Innovative On-Demand Therapeutic Solutions for Long- Duration Missions Beyond Earth
Abstract: As humankind prepares for prolonged space exploration and the establishment of lunar and Martian habitats, ensuring reliable access to safe and effective medicines has emerged as a critical challenge. The evolving discipline of space pharmacy addresses the unique pharmaceutical needs of astronauts in microgravity and radiation-rich environments, where drug stability, packaging, and pharmacokinetics are markedly different from conditions on Earth. Traditional dosage forms often undergo accelerated degradation, while altered fluid …
Published in Trends in Drug Delivery · Vol. 13, Issue 1, 2026 · pp. 32–47 Read article
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Classification and Detection of Brain Tumor using Convolutional Neural Network
Abstract: Tumors are masses created when brain cells multiply uncontrollably. A brain tumor is the medical term for this condition. Brain tumors are a serious and aggressive disease that can lead to a reduced life expectancy. Developing a treatment plan is essential to raising a patient's standard of living. Tumors in different regions of the body are evaluated using a variety of imaging techniques, with MRI pictures being utilized mostly for …
Published in International Journal of Cheminformatics · Vol. 1, Issue 1, 2023 · pp. 8–13 Read article
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Comparative Study of Strength of Normal Beam and Strength of Glass Fibre Wrapped Beam
Abstract: In the present work, strength of normal beam is compared with strength of glass fibre wrapped beam to check efficiency of glass fibre wrapping in earthquake prone areas. There are several methods which can be used efficiently in the re-strengthening of RCC members such as fibre reinforced polymer wrapping, by using steel strips at various spacings to increase member strength and from increasing the existing member dimensions or sizes by …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 28–40 Read article
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Shell Programming with Sensor Systems and Applications for Human Cognition
Abstract: Shell programming provides a flexible interface to sensor systems, enabling robust scripting for real-time data acquisition and processing, as well as integration with perception components. Such sensors have human analogs—tactile, physiological, and behavioral—and are increasingly embedded within health, mobile, and smart environments to capture fine-grained details of human cognition. Using shell scripts, the system can automatically collect sensor data, fuse multimodal data, and perform adaptive behavioral monitoring, allowing researchers and …
Published in Journal of Advances in Shell Programming · Vol. 12, Issue 2, 2025 · pp. 41–45 Read article
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Comprehensive Analysis of Counting by Sorting
Abstract: Sorting algorithms play an important role in computer science, as they facilitate the effective organization and retrieval of data. Counting sort is a non-comparative integer sorting algorithm that works well with a limited number of integers known beforehand. The process, advantages, and limitations of this sorting algorithm were investigated in this study. Unlike other comparison-based sorting algorithms, counting sort achieves a time complexity of O(n+k), which depends on the input …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 11, Issue 2, 2024 · pp. 1–6 Read article
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Safety braking system to avoid the failure in air brake Hoses
Abstract: The braking system represents one of its most important components of any vehicle, as a failure can result in devastating accidents. This study describes the design and development of an Air Brake Hose Failure Detection and Safety Braking System to address the problem of brake failure in big vehicles. The system monitors the condition of air brake hoses in real-time and provides audio-visual alerts to the driver in case of …
Published in Recent Trends in Fluid Mechanics · Vol. 12, Issue 3, 2025 · pp. 51–55 Read article
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Bacilli: The Keystone Biocontrol Agents Eradicating Phytopathogens
Abstract: As a result of the niches provided by plants to microbes, multitude of interactions occurred some of which are detrimental to the plants, including pathogenicity which results in diseased plants caused by harmful microbial community inhabiting a plant. Studies have shown that pesticides are applied to control the disease-causing microbes, but the adverse effects of the pesticides have necessitated the need for biocontrol agents that are eco-friendly. In this article, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 13, Issue 1, 2023 · pp. 22–32 Read article
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Design and Analysis of MEMS based Piezoelectric Accelerometer Having Square Shaped Proof Mass
Abstract: In any spacecraft launching program, the most prominent issue is to locate the spacecraft or satellite, in particular orbit of any particular planet. Now, while making the position of that spacecraft in space, abrupt changes in velocity occur and these velocity changes can break the controlling circuitry of the system since the velocity changes occur at very high environmental pressure. The designed device converts the deflections due to mentioned pressure …
Published in Journal of Aerospace Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 72–78 Read article