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573 articles for “Control Limits”
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Reduction of Greenhouse Gases by Carbon Neutral Fuels in Shipping
Abstract: The earth environment is changing very rapidly nowadays. Besides that, earth showing its disturbance in the form of natural disaster and rapid climate changes. It is believed to have started in the 18th century, as a result of industrial revolution. During this period, industries were developed rapidly without having any safety measures, which leads to accumulation of various poisonous gases in atmosphere called Greenhouse Gases (GHG). Its effect was also …
Published in Journal of Offshore Structure and Technology · Vol. 7, Issue 1, 2020 · pp. 32–40 Read article
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Preparation of Oral Gels Containing Ethanolic Extract of anacardiumoccidentale L and Characterization
Abstract: The anti-microbial activity of gel containing Anacardiumoccidentale L. leaf extract was investigated. A total of four formulations (ST1–ST4) and a control (without leaf extract) were prepared. All the formulations were evaluated for physical appearance and physical properties of gel like pH, viscosity, spreadability and extrudability. The results of all the physical parameters of the gel were found to be within the limits. All the four formulations including control were evaluated …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 2, Issue 3, 2015 · pp. 16–20 Read article
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A Novel Sensorless Vector Control of High-speed Hysteresis Motor Drive
Abstract: Hysteresis motors are super high speed motors that used in special industries such as high-speed centrifuges, micro gas turbines, and etc. They are basically synchronous motors; however they can works in asynchronous mode. In most reported applications it is controlled in open-loop scheme and there isn’t any considerable research on closed-loop control of this type of motor due to its special and limited applications. This papers presents a novel filed …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 3, 2012 · pp. 1–7 Read article
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Assessment of Acoustic Noise Generated from Machines in a Mechanical Workshop Using 1-Octave Band Frequency Analysis
Abstract: Acoustic noise is one of the prominent occupational health hazards, particularly in manufacturing and process industries. Prolonged exposure to loud noise can cause noise induced hearing loss of the exposed personnel. Limiting the exposure to noise intensity within its permissible exposure limit is adopted as one of the administrative control measures to reduce the risk of hearing loss. However, frequency specific assessment of occupational noise exposure is limited. Here, we …
Published in Journal of Industrial Safety Engineering · Vol. 8, Issue 1, 2021 · pp. 10–14 Read article
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Model Predictive Control of Variable Speed Variable Pitch Wind Energy Conversion Systems
Abstract: A multiple-input, multiple-output model predictive control technique for variable-speed, variable-pitch wind turbines in the below-rated wind speed zone is proposed. The speed of the generator and power generated are regulated simultaneously by controlling the pitch angle of the wind turbine and the generator torque. This has the effect of extracting the maximum power from the wind for wind speeds below the rated value. Also, as the constraints are incorporated on …
Published in Journal of Aerospace Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 20–29 Read article
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Yoga and Society: Yoga for the People Afflicted with Addiction and Yoga for the Practice of Christian Meditation
Abstract: Adaptation of Iyengar Yoga in the treatment of people afflicted with addiction has shown remarkable improvement in the physical, psychological, and spiritual health of the individual leading to a whole person recovery through reaching a cellular consciousness. The special use of Iyengar’s restorative yoga sequence helps the patient to gain his/her physical equilibrium and reach a state of homeostasis. The study undertaken by Kripa Foundation measures the effectiveness of Iyengar …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 1, Issue 1-3, 2012 · pp. 146–161 Read article
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Arduino Based Temperature Control with PID Controller as Overheat Protector
Abstract: This paper describes a proportional, integral, derivative (PID) temperature controller for overheat protection that is Arduino-based. To regulate and prevent the temperature from rising above a certain threshold, it includes an Arduino UNO board, LM35 temperature sensor, relay, and cooling fan. The system collects temperature readings from the LM35 and delivers them to the Arduino UNO, which processes the data and regulates the output to the relay using a PID …
Published in Journal of Instrumentation Technology & Innovations · Vol. 13, Issue 1, 2023 · pp. 23–28 Read article
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Power Management and Control of Hybrid Energy Storage System in a Standalone DC Microgrid
Abstract: The limited supply of fossil fuels and the growing global energy demand create global energy challenges. Power production systems based on renewable energy have become more prevalent due to increased challenges. As renewable power sources become more prevalent, erratic environmental conditions increase uncertainty in power production, control, and operation. To cope with these weather conditions, some support systems, such as storage devices, use renewable energy sources (RES). The hybrid energy …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 3, 2024 · pp. 41–52 Read article
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Nanotechnology in Surgical Drains: Reducing Infections and Promoting Healing Post-Surgery
Abstract: Surgical drains are widely used in postoperative care to evacuate accumulated fluids, minimize dead space, and reduce complications such as hematoma and seroma formation. Despite their clinical importance, conventional drains are frequently associated with retrograde bacterial migration, biofilm formation, and increased risk of surgical site infections (SSIs), which contribute significantly to postoperative morbidity and prolonged hospital stay. Recent advancements in nanotechnology have enabled the development of nano-functionalized surgical drains with …
Published in Research and Reviews : Journal of Surgery · Vol. 15, Issue 2, 2026 · pp. 54–67 Read article
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Smart Traffic Control System for Lifeline Vehicles
Abstract: Abstract: This paper presents an innovative approach to overcome the disputes faced by lifeline vehicles like ambulance and fire brigade at the red light of the traffic management system. In this work, a prototype model has been presented using Arduino and smart sensors to manage the red light of the traffic management system by emergency vehicles with advanced security features. The emergency vehicles like ambulance and fire brigade face major …
Published in Journal of Microcontroller Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 17–20 Read article
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Estimation of Excessive Addition of Fluoride in Dentifrices of Indian Market: The Present Status
Abstract: The addition of fluoride in dentifrices all over the world is done for the antibacterial and carries prevention. Drug Controller General of India (DCGI) has given a permissible limit for addition of fluoride in dentifrices 1000 ppm for adult and 500 ppm for children; as early as by G.O.I. Notification No. GSR 223(E) dated 19.4.1991. Besides, addition of the raw material also contain fluoride that leads further addition, which leads …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 5, Issue 2, 2015 · pp. 5–10 Read article
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Linear Stability in the Restricted Three-Body Problem with Oblate Primaries
Abstract: We present a study of the linear stability which is based on numerically we find that the critical mass ratio of the primaries forms a smooth surface and absence that c decrease as oblate parameter increase. In the restricted three-body problem the collinear points are unstable and equilateral triangular points are stable for the mass ratio . The numerical calculations give a thorough explanation of how changes in …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 15, Issue 2, 2026 Read article
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IoT-Based Motor Protection and Control System Using PLC and ESP8266
Abstract: Because of their straightforward design and affordable price, single-phase induction motors are frequently utilized in residential and small-scale industrial settings. However, conventional direct-on-line (DOL) control provides fixed-speed operation and offers limited protection against thermal overload and fault conditions. This article describes the design and implementation of an ESP8266 Node MCU-based PLC- based closed-loop motor control system with Internet of Things features. To increase operating flexibility and maintenance efficiency, the suggested …
Published in International Journal of Electrical Power and Machine Systems · Vol. 4, Issue 1, 2026 · pp. 54–62 Read article
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A Review on Polymeric Nano-particles
Abstract: Conventional drugs have major demerits of poor biodistribution, decreased effectiveness and less targeting effect. Strategies like controlling drug delivery can potentially overcome these limitations by transporting drug to the place of action. The polymeric nanoparticles (PNPs) are prepared from biocompatible and biodegradable polymers in size between 1–1000 nm. PNPs are suitable carriers for drug delivery to specific target site; such an advantage improves the drug safety and lowers toxicity. In …
Published in Trends in Drug Delivery · Vol. 6, Issue 1, 2019 · pp. 1–7 Read article
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Modeling and Control of A Grid Connected Wind Turbine Power System Under Variable Wind Speeds Using Doubly-Fed Induction Machine
Abstract: This paper focuses on the development of wind turbine system and extracting maximum power for variable speed constant frequency grid connected wind turbine power system with doubly fed induction generator. A voltage oriented control scheme is used for the control of both rotor side and grid side circuit. Pitch control mechanism is implemented for the power limitation at a wind speed greater than the rated speed. The DFIM stator side …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 108–124 Read article
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Remote Hardware Control by Web Application
Abstract: This paper introduces an approach to implement a system that controls remote hardware by web application. Hardware control from a remote distance is a popular research area where there are different approaches studied in the literature. Real life electronic devices can be controlled from a very far distance with no limitation through Internet connection by this system. The system consists of three major parts—Web application part, Desktop application part, Hardware …
Published in Journal of Instrumentation Technology & Innovations · Vol. 5, Issue 2, 2015 · pp. 25–30 Read article
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Performance Improvement of DFIG using Fractional Order PI Controller
Abstract: Abstract: In this paper integer order and fractional order PI controller is designed to enhance the performance of the DFIG used in wind power plants. In DFIG, pitch angle control at high wind speed certainly experiences some issues in terms of performance. In this regard, the pitch angle is controlled by increasing the wind speed above the middle speed (12 m/s) to limit the DFIG active power and rotor speed. …
Published in Journal of Microcontroller Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 6–11 Read article
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An Examination of Energy-Saving Techniques for UAV Communication
Abstract: Unmanned aerial vehicles (UAVs), or drones, have become essential in various industries due to their low deployment costs and exceptional versatility. As a result, they are widely used in industries like mining, agriculture, logistics, and search and rescue. The effectiveness of UAV applications is largely dependent on robust communication technology, which is crucial for control, data transmission, and coordination. However, the limited capacity of the low-power batteries used in UAVs …
Published in International Journal on Drones · Vol. 1, Issue 1, 2025 · pp. 1–7 Read article
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Exploring the viability of DIY mobile robots, a technical and economic perspective.
Abstract: This article is intended for on ramping of novices in mobile robotics and shine a new light on feasibility of home-brew robots. Readers are expected to use this resource as a take-off point from which they will get to know where to look and to what extent, along with some of our own recommendations. The topics covered include but not limited to, hardware selection, firmware programming, feedback control, system design, …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 2, 2026 · pp. 34–41 Read article
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Integrated Microfluidic Platform for Accelerated Catalytic Analysis: Enhancing Sensitivity and Efficiency
Abstract: In this study, we introduce a groundbreaking advancement in microfluidic technology tailored for catalytic and catalytic analysis. Our innovative microfluidic device integrates novel features aimed at augmenting sensitivity and accelerating analysis while ensuring reliability and user-friendliness. The hallmark of our device is the fusion of sample preparation and analysis functionalities within the microfluidic chip. By embedding sample preconcentration and purification modules, we achieve remarkable enhancements in sensitivity and detection limits. …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 2, 2023 · pp. 51–27 Read article