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297 articles for “system failure”
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Hardware Solution for LVRT Enhancement Techniques in DFIG - A Review
Abstract: With the advancement of wind power technology, penetration of wind power to power systems has increased significantly. Grid codes require that the wind generators should remain connected for specified time even under low voltage conditions. Stricter grid code requirements are now necessary to assure system stability and reliability due to the growing integration of wind power into contemporary power networks, which is being pushed by the quick development of wind …
Published in International Journal of Electrical Power and Machine Systems · Vol. 3, Issue 2, 2025 · pp. 59–73 Read article
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Embedded Solution for Real-Time Traffic Light System Using PIC Microcontroller
Abstract: This paper is an attempt to provide a solution to the problems faced by real-time traffic light system. The problems encountered are fixed timing; vehicles waiting unnecessary for long time in case of no traffic or less traffic; delay in pedestrian crossing; and in case of system failure the mode of operation is difficult and replacement cost is high. This paper has provided a cost-effective and more efficient solution to …
Published in Journal of Microcontroller Engineering and Applications · Vol. 2, Issue 1, 2015 · pp. 8–13 Read article
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Reliability Modeling, Performance and Cost-Benefit Analysis of Optical Fiber Network in DCRUST
Abstract: AbstractThis paper includes the survey of optical fiber network in DCRUST and its reliability modeling aspects to evaluate reliability of that optical fiber network. Model in this paper has an operative unit which is optical fiber cable and a hotstandby unit which is an optical fiber ring provided as a redundant fiber in DCRUST. This protection path is necessary in optical fiber to reduce the wastage of time and to …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 1, 2018 · pp. 8–15 Read article
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Human-robot Collaboration in Manufacturing: Safety, Efficiency, and Technological Developments
Abstract: Human-robot collaboration (HRC) has emerged as a transformative force in modern manufacturing, significantly enhancing productivity, operational flexibility, and overall efficiency. This review article explores the fundamental aspects of HRC, with a particular focus on safety protocols, efficiency optimization, and technological advancements that are shaping the future of collaborative robotics. Ensuring safety in HRC environments is a primary concern, necessitating the implementation of advanced safety measures, risk assessment methodologies, and compliance …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 3, Issue 1, 2025 · pp. 18–23 Read article
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Cell Balancing in Lithium-ion Batteries – A Comparative Evaluation
Abstract: Balancing the cells within a battery system is essential for safeguarding against overvoltage, overcharge, and over-discharge, which can lead to system failures and safety hazards. Two commonly employed methods for cell balancing are passive and active balancing. In passive balancing, excess charge is dissipated through resistors, while active balancing involves the controlled flow of charge within the circuit. This paper focuses on the comparison and analysis of passive and two …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 1, 2024 · pp. 37–45 Read article
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Elections, Governance, And Democracy in Nigeria
Abstract: This paper investigated elections, governance, and democracy in Nigeria. Since independence in 1960, the State has continued to make significant progress towards democratization. Elections, which have served as a vehicle for conveying the interest of the people have been marred by irregularities, such as; voter intimidation, violence, and other allegations of fraud. These issues significantly undermine public trust in the electoral process, ruining its credibility and weakening the structures that …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 2, 2024 · pp. 20–28 Read article
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Experimental Analysis of Wear Characteristics in Natural Fibre Composite Materials
Abstract: In mechanical systems, energy loss and material degradation due to attrition are frequently the consequences of sliding contacts, which frequently lead to premature system failure. In this study, at 50°C, 80°C, and 110°C, the hardness was tested; the results showed that the values were 350.7, 422.5, and 455.5 HV, respectively. After conducting a high-temperature wear test, the mass loss of the as-deposited composite coatings was assessed by an electrochemical approach …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 444–450 Read article
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Fire Safety in Healthcare Facilities: An Indian Perspective
Abstract: Fire protection and safety measures in hospitals are of utmost importance to ensure the safety of patients, staff, and visitors. Due to the patients' limited mobility, hospitals are more susceptible to fire disasters. Short-circuits, basements being used as storehouse, inappropriate storage of flammable liquids, improper power supply load, false ceiling panel lined with thermocol, faulty electric wirings, and overheating leading to burning of wires are some of the common causes …
Published in Journal of Industrial Safety Engineering · Vol. 13, Issue 1, 2026 · pp. 8–12 Read article
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Condition Monitoring of Power Transformer Using Different Techniques
Abstract: Transformer is one of the key equipment of the power system. Power rating of the transformers varies from KVA to several hundreds of MVA. The transformer is an expensive equipment of the power system. Failures of transformer usually lead to substantial profit loss to the utility, potential environmental damage, explosion and fire hazards and expensive repairing or replacement costs; thus, it is desirable that the maximum service life of transformer …
Published in Trends in Electrical Engineering · Vol. 6, Issue 2, 2016 · pp. 1–8 Read article
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Sustainability Challenges, Transition Dynamics, and Collapse of Small-Scale Poultry Farming Systems: Economic, Technical, and Environmental Perspectives
Abstract: Small-scale poultry farming plays a vital role in food security, income generation, and rural livelihoods globally. However, the sector is experiencing a rapid decline driven by interconnected economic, biological, environmental, and institutional challenges. This review synthesizes recent evidence and develops a systems-based framework to explain the depletion of small-scale poultry farms in the country. A dominant driver is the persistent cost–price imbalance, where rising input costs, particularly feed, are not …
Published in International Journal of Sustainability · Vol. 3, Issue 2, 2026 · pp. 38–46 Read article
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Well Integrity and Reservoir Behavior under Sudden Field Shutdowns During Armed Conflicts: A Comprehensive Technical Review
Abstract: In the oil and gas industry, the sudden and unplanned cessation of operations resulting from armed conflicts or pandemics typically poses complex and multifaceted technical challenges to both well integrity and reservoir behavior. Minimal or no opportunity for proper pre-shutdown preservation procedures in unplanned shutdowns, unlike planned shutdowns that follow established operational protocols. The mechanisms and consequences of well integrity degradation and reservoir performance alteration under such conditions are synthesized …
Published in Journal of Petroleum Engineering & Technology · Vol. 16, Issue 2, 2026 · pp. 40–52 Read article
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Impact of Total Quality Maintenance Parts on The Operation of Electric Motor in Thermal Desorption Unit
Abstract: Thermal desorption Unit been a vital equipment with complex applications in the sections of waste and minerals treatments, suffers intensively in the managerial section as a whole. This paves a way towards the aim of this research work which covers the type of the impact of Total Quality maintenance electric motor parts on the Operation of the Thermal Desorption Unit [TDUs] using that of the Halden Nigeria Limited, located within …
Published in International Journal of Advance in Molecular Engineering · Vol. 2, Issue 1, 2024 · pp. 14–25 Read article
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IoT Based SCADA for Electrical Measurements and Control
Abstract: The suggested system's primary goal is to shield electrical equipment against malfunctions. Thesystem consists of various sensors that deployed strategically on electrical equipment. The data of theequipment is collected and transmitted to cloud platform through Node MCU ESP8266. The data issimultaneously displayed using LCD display. The collected data is splitted into train and test data.Train the machine learning model by using different algorithms. The best algorithm is chosen bycalculating their …
Published in Journal of Control & Instrumentation · Vol. 14, Issue 2, 2023 · pp. 38–47 Read article
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Failed Component Image Acquisition Quality Optimization for Machine Vision System
Abstract: AbstractWith the rapid development of the global semiconductor industry, electronic products are required to have new ideas, diversified functions, and thinness and shortness. The ball grid array (BGA) packaging technique arranges solder balls in a matrix mode on the bottom of the component substrate, so as to increase the functional density. The dye stain test is extensively used for array component failure analysis; however, the operation takes time and extends …
Published in Current Trends in Signal Processing · Vol. 10, Issue 2, 2020 · pp. 17–25 Read article
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INDUCTION MOTOR FAULT DETECTION USING IoT
Abstract: The induction motor failure detection system proposed in this research is based on the Internet of Things and uses an ESP32, vibration, current, temperature, IR, and Blynk app. An Internet of Things (IoT)-based fault detection system uses sensors to monitor the motor's condition and transmits the information to a cloud-based platform. The cloud-based software may then analyze the data to identify issues and alert maintenance personnel.An overview of an Internet …
Published in Recent Trends in Sensor Research & Technology · Vol. 11, Issue 1, 2024 Read article
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Comparison Between BRTS and Personnel Vehicle As Travel Choice In Indore
Abstract: The Indore Bus Rapid Transit System (BRTS) also known as Ahilya Path is the Mass Rapid Transit System for Indore, Madhya Pradesh by AICTSL. Project was completed and functionalin early months of 2013. Since the beginning of system it is in a debate of being a success or failure. Like any other transit system the factor of failure or success in this case also is Travel Choice of user. Though …
Published in Trends in Transport Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 12–18 Read article
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Approximation-Aware Computation for Graceful QoS Degradation in Modern Multiprocessor Operating Systems
Abstract: Modern multiprocessor operating systems face unprecedented challenges in maintaining Quality of Service (QoS) guarantees under dynamic workload conditions and resource constraints. Traditional approaches to resource management often result in abrupt service degradation or complete task failure when system resources become scarce. This study presents a comprehensive framework for approximation-aware computation that enables graceful QoS degradation in multiprocessor environments. We explore the integration of approximate computing paradigms with operating system schedulers, …
Published in Journal of Operating Systems Development & Trends · Vol. 12, Issue 3, 2025 · pp. 08–15 Read article
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An Innovational Approach for Estimation of Reliability Indices Accounting Repair Time of Hose Reel System-Safety Empirical Outlook
Abstract: Numerous reliability indices estimation of a system or component or element is very important in order to predict its availability and unavailability. Reliability is the specification which tells about the availability of the system under proper working conditions for a given period of time. Reliability of numerous complex engineering systems has been estimated in literature. In view of above, in this paper an innovational approach for estimation of various reliability …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 3, 2021 · pp. 12–18 Read article
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Employing Sweep Frequency Response Analysis for Diagnosing Condition of Power Transformer
Abstract: The power transformer being very expensive plays a tectonic role in power system. Reliability is apogee in power system. Any failure fringing power transformer may lead to substantial monetary loss depending on how much duration it is out of service. On-line monitoring and prognosis of power transformer helps the associated delegate to take decision on subject of maintenance, replacement or continuity of its operation. From accessible vivid methods for condition …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 26–31 Read article
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Reliability Analysis of a Dragline for Productivity Improvement – A Case Study
Abstract: Productivity of dragline is affected by its availability, reliability, and maintainability. The failure of components of dragline leads to the failure of dragline system. Effective maintenance planning can prevent these unwanted failures in the capital-intensive draglines and can improve its productivity. This paper discusses the possible causes for failure of various components of dragline and possible ways for improvement of performance of dragline so as to reduce its downtime. In …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 62–69 Read article