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19 articles for “AHU”
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Designing and Simulation of Novel 6T CNT Based Schmitt Trigger on 32 nm Regime
Abstract: With the advancement of technology, we are needed to make the circuits more efficient, and for this, less leakage current and leakage power circuits are needed. Taking this into account, a model of Schmitt trigger using C-MOS (complementary mosfet) and CNT (Carbon Nano Tube) has been compared. We have worked on C-MOS and CNT circuits by using H-SPICE software. As a result, it is found that leakage current and leakage …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 2, 2018 · pp. 1–4 Read article
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Two Degrees of Freedom Observer Controller for Load Frequency Control with Communication Delay
Abstract: Two degrees of freedom (2-DOF) Smith predictor based observer controller is designed for load frequency control of two area systems with communication delay. The conventional proportional integral (PI) controller is used for command tracking and an independent observer based feedback controller is designed for disturbance of change in load demand. In interconnected power system, the presence of communication delay complicates the design and implementation of the controller. The original delayed …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 2, 2017 · pp. 35–44 Read article
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Metallurgical Perspective of Line Pipe Steel
Abstract: Over the past 30 years, severe demands have been placed on the pipe manufacturer with respect to the development and processing of materials to pipe line. Line pipe steels are put to extremely severe conditions like deep water, cold climate, corrosive and high pressure applications etc. Their quality requirements are becoming exceptionally stringent with respect to metallurgical properties i.e. cleanliness, physical and mechanical properties etc. In line with these requirements, …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 3, 2017 · pp. 20–25 Read article
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Comparison to Evaluate Pain Perceived on Administration of Local Anesthesia for Oral Surgery by Vibrating Needle and Conventional Syringe
Abstract: AbstractAim: The aim of the study was to evaluate and compare pain experienced during insertion of needle and administration of local anaesthesia on the palate, with VibraJect (a vibrating attachment to the conventional syringe) and conventional syringe. The purpose of the study was to investigate the efficacy of the VibraJect dental syringe attachment in reducing pain and discomfort during administration of palatal block and procedural anxiety in patient undergoing dental …
Published in Research and Reviews: A Journal of Dentistry · Vol. 11, Issue 2, 2020 · pp. 34–39 Read article
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Streamlining of Flexural Strength in Zirconia Nanoclusters of the Bis-GMA and TEGDMA Based Dental Composites
Abstract: The point of this work is to introduce an investigation of the composites and outfit dental specialists with a premise that can give standards to picking some to suit their helpful prerequisites. Biting food is a unique cycle and tooth is a significant segment of it. Reclamation of lost tooth structure is a test to the dental specialist just as researchers testing the remedial materials. One of the most ordinarily …
Published in Research and Reviews: A Journal of Dentistry · Vol. 11, Issue 3, 2020 · pp. 21–27 Read article
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Study of a Western Disturbance of 2023 Using Satellite-Based Observation, Reanalysis Data, and Numerical Simulation
Abstract: Western Disturbances (WDs) are synoptic-scale, extratropical storm systems that influence winter precipitation across northwest India. This study focuses on a specific WD event that occurred from 24– 25 March 2023, affecting Jammu & Kashmir, Himachal Pradesh, Uttarakhand, and Punjab. The analysis integrates satellite observations, ERA-5 reanalysis data, and simulations from the Weather Research and Forecasting (WRF) model to evaluate the model's performance. The novelty of this study lies in its …
Published in Journal of Remote Sensing & GIS · Vol. 16, Issue 3, 2025 · pp. 16–38 Read article
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ML-Enhanced Self-Healing Fiber-Reinforced Polymer Composites with Embedded IoT Sensors for Damage Prediction
Abstract: Fiber-reinforced polymer (FRP) composites are widely used in aerospace and structural systems; nevertheless, the potential for microcracking and fatigue-induced performance degradation remains an obstacle with respect to improved service life. Traditional self-healing methods, while performing well on a chemical level, often lack real-time diagnostic awareness and adaptive control. To circumvent this, we developed a machine-learning augmented self-healing FRP composite, in which a DCPD–Grubbs catalytic matrix was combined with IoT sensor …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 188–208 Read article
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Intelligent Polymer-Integrated Wearable Platforms for Sustainable IoT and Predictive Health Monitoring for Migraine Detection
Abstract: Migraine is a neurological disorder, and its effect on the global workforce is resultantly significant. However, the fact of the matter is the absence of notable technological breakthroughs and the fact that the technology presently available is reactive, meaning it tackles the symptoms of the attack after the attack has occurred. The requirement for this paper is, therefore, the provision of an innovative approach, and this paper will describe the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 946–960 Read article
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Cyber-Secure IoT Framework for Monitoring Fiber-Reinforced Polymer Composites Using Embedded Sensors
Abstract: The present research paper suggests a cyber-safe Internet of Things system in real-time monitoring of fiber-reinforced polymer composites with inbuilt sensors. It is aimed at enhancing structural health maintenance, using sensual, intelligent analysis, and data protection in the same platform. Multi-layer architecture An embedded sensor, signal processing, anomaly detection and lightweight layer of cyber-security are developed. Experimental validation is done under controlled conditions and the performance is measured by these …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 434–458 Read article
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Cognitive AI-Based Quality Control and Operational Optimization of Polymer Composites for Healthcare Applications
Abstract: The use of polymer composite materials in healthcare is on the rise because of their adjustable mechanical characteristics, biocompatibility and structural flexibility. Yet, it is difficult to ensure stable quality of such composites due to process-related defects, heterogeneity of the material and the lack of real-time adaptive control. The proposed study suggests the use of cognitive AI-based framework of quality control and optimization of operation of polymer composite systems which …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 571–591 Read article
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Fuel Cell Technologies for Automotive Applications
Abstract: About 175 years have passed since the invention of the Fuel Cell by Schoenbein und Grove, however, fuel cell-based automobiles have received increased attention in the last few years due to growing public concern over urban air pollution and consequent environmental problems. Direct combustion of fuel for transportation accounts for over half of greenhouse gas emissions and a significant fraction of air pollutant emissions. Fuel cell power systems for automotive …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 1, 2022 · pp. 1–15 Read article
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Network Selection with Load Balancing in Wireless Heterogeneous Environment
Abstract: Coexistence of various wireless radio access networks (RAN) and ability of mobile terminals to switch between them efficiently makes an optimal selection of serving mobile networks for groups of mobile-clients a major challenge with efficient load balancing. To overcome this problem, more flexible heterogeneous wireless networks (HWN) are required with the advantage of mobility, consistency, ubiquitous provision and improved spectral efficiency. In this paper, network selection with load balancing criteria …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 3, Issue 3, 2016 · pp. 7–15 Read article
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Digital Entry of Bank Related Slips Using Character Recognition
Abstract: Standing in long queues in bank for small work like depositing the money is very frustrating and also wastes a lot of time. The bank employee handles all the work such as making the entry of money deposited or credit from the account manually by typing information such as account number, amount, etc. and due this creates long queues in banks for such small tasks. Thus, we have come up …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 3, 2021 · pp. 30–35 Read article
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Implementation of Energy-efficient Axial Fans for Air Handling Unit Using AI Model
Abstract: This research explores the integration of energy-efficient axial fans in Air Handling Units (AHUs) within a large automotive manufacturing facility to enhance HVAC (heating, ventilation, and air conditioning) performance and reduce energy consumption. Standard AHUs in the facility’s clean rooms and other spaces utilize traditional blower fans, which primarily rely on static pressure, limiting their efficiency. By replacing these with electronically commutated (EC) axial flow fans, which leverage both static …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 28–34 Read article
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HVAC Design by Using Green Building Norms
Abstract: An HVAC system can be describing as a system which removes the heat from a desired space by pumping the heat from one place to another which result a cooling effect, also by lowering the temperature. HVAC work for a good indoor air quality by using latest filtering technologies. The major components of the HVAC system are, Heat exchanger, Evaporator coil, Thermostat, Refrigerant lines, Condensing unit, drain piping system, electrical …
Published in Journal of Production Research & Management · Vol. 11, Issue 3, 2021 · pp. 1–10 Read article
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Enhancing Energy Efficiency in HVAC Systems: A Comprehensive Study of EC+ Fans, VFDs, and AI Integration
Abstract: This research paper explores the integration of EC+ fans with Variable Frequency Drives (VFDs) and Permanent Magnet (PM) motors to enhance energy efficiency and operational performance in heating, ventilation, and air conditioning (HVAC) systems. An extensive energy audit was conducted at the BidP plant in Bangalore, focusing on air handling units (AHUs) in Hangar 101. The audit revealed substantial variations in fan efficiency, secondary fan performance, power consumption, and airflow …
Published in Trends in Machine design · Vol. 11, Issue 3, 2024 · pp. 44–54 Read article
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Enhancing Energy Efficiency in Air Handling Units Through AI Driven Optimization
Abstract: This research explores the implementation of artificial intelligence (AI) in enhancing the energy efficiency of Air Handling Units (AHUs) in manufacturing facilities. The study proposes a comprehensive solution architecture that incorporates temperature and humidity sensors within AHUs, utilizing RS485 for data communication. The collected data undergoes exploratory analysis, which informs the training of a decision tree algorithm, chosen for its accuracy and compatibility with edge gateways. The algorithm's predictions enable …
Published in International Journal of Industrial and Product Design Engineering · Vol. 2, Issue 2, 2024 · pp. 19–28 Read article
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Enhancing Building Energy Efficiency Through IoT Integration
Abstract: Building management systems featuring Internet of Things (IoT) technology provide a revolutionary way of maximizing user comfort and improve the use of energy. This study presents a comprehensive analysis of various components within an IoT subsystem utilized in building management, including Smart IoT Gateways, temperature and humidity sensors, lightweight database systems such as Tiny DB, and cloud communication platforms like Twilio. Each component plays a vital role in facilitating real- …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 2, Issue 2, 2024 · pp. 15–23 Read article
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A Review of the Advancements in Geothermal Heating and Cooling System
Abstract: The increasing demand for energy and the depleting fossil fuels have fuelled explorations in new frontiers of renewable energy technology. Geothermal heating and cooling is a new advancement in HVAC industry of India. It uses earth’s heat for space heating and cooling with the use of heat pump systems, saving up to 51% electricity consumption in HVAC, and reduced CO2 emissions. The main prospects of geothermal energy are longer equipment …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 1, 2017 · pp. 1–5 Read article