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Pakistan Journal of Engineering & Technology
ISSN 2664-2042 · The University of Lahore · 416 articles in the index
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Journal Article
H∞ Based Fault Detection Observer Design for Three-tank System with Parametric Uncertainty
Early fault detection is essential to prevent machine damage, performance degradation, and even health risks. This study dispenses the design of an observer-based residual generator for fault detection in a linear time-invariant uncertain system with application to the three-tank system benchmark…
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Journal Article
Performance Enhancement of Microstrip Patch Antenna using Metamaterial-Based Lens for 5G Applications
The rapid growth of 5G networks requires compact and high-performance antennas. Microstrip patch antennas (MPAs) are popular due to their low profile and light weight. However, conventional MPAs suffer from limited gain, narrow bandwidth, and moderate radiation efficiency. This work presents a…
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Journal Article
A Comparative Analysis of Text Sentiment Analysis Algorithms using Social Media Tweets
Social media are open platforms for public discussions which become a great source for decision-makers to improve their business models. The common social media application for handling sentiment analysis tasks is Twitter, which produces millions of tweets and discussions per day. This research…
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Journal Article
RidePool: A Dynamic Ride-Sharing Application
The rise of ride-share services and platforms has significantly transformed urban mobility and solved many transportation challenges. However, there is no dedicated ride-sharing service specifically designed to address the needs of students in educational institutions. To bridge this gap, we…
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Journal Article
Strategic Approaches to Managing Independent Power Producers in Pakistan: Addressing Capacity Charges and Advancing SDG-7 through Innovation 4.0
On 6th January, 2024, Taimour Ghause, a senior officer at the Ministry of Energy, Power Division, sat in his office in Islamabad reviewing the country’s energy crisis. Has was concerned about the challenges being faced by the country in the energy sector that includes surge in the capacity charges…
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Journal Article
Predicting Chronic Heart Failure after Myocardial Infarction Using Machine Learning Techniques
Chronic Heart Failure is a major concern in the healthcare systems worldwide as it is prevalent and has adverse effects on patients' health. The traditional methods of diagnosing chronic heart failure have limitations that result in ineffective diagnosis, that leads to poor patient outcomes and…
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Journal Article
Data-Driven Rainfall Prediction for Smart Agriculture: A Machine Learning Perspective
The seasonal rain in Bangladesh has been very important in supporting the agricultural sector of the country, but because of climate change, it has become more erratic. In this research, the authors used historical meteorological data, 2013 to 2022, to create and test four machine learning…
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Journal Article
A Novel Framework for Simulating Wind-Induced Deformations in Residential Solar Panels
The installation of residential rooftop solar panels has increased rapidly, which led to concerns about their structural stability during high winds, especially in areas that experience cyclones. This research examines wind pressure effects on a standard residential solar panel structure through a…
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Journal Article
Consensus-Based Autonomous Microgrid Secondary Frequency Control with Communication Impairments
The frequency stability requirement of islanded microgrids is dependent on the control of electronic inverters; therefore, it is necessary to use proper control methods to improve the robustness of the microgrid system in the presence of impairments. While primary droop-based control methods can…
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Journal Article
Bidirectional Power Flow Control Using Phase Shifting Transformer in Multi-Source Systems
In recent years, the use of electrical energy has significantly increased. To meet the growing demand, new generating units have been installed across the country, accompanied by the establishment of extensive transmission networks to deliver this power to the grid, which supplies various loads…
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Journal Article
Analyzing Expressions to Curate Feeds: A Real-Time Mood-Based Reels Algorithm
As technology evolves, the demand for customised and personalised experiences is increasing in daily life. This tendency is primarily noticeable in the field of social media platforms, where user satisfaction is pivoted on the content that relates well with the individual’s preferences and…
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Journal Article
Investigating the Effect of Injection Start Time in Compression Ignition Engine: A Reactive Control on Waste Heat Recovery Capacity
Approximately one-third of the energy supplied to the cylinder of an internal combustion engine is transformed into effective work, while the remaining energy is dissipated in multiple ways. Offering solutions that can recuperate some of the energy the engine wastes is important and beneficial…
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Journal Article
Artificial Intelligence-Based Skin Lesion Analysis and Skin Cancer Detection
Advanced diagnostic methods are necessary for the early and precise diagnosis of skin cancer, a deadly disease that poses a danger. The accuracy of manual skin lesion assessment and visual inspection is limited, which is why sophisticated diagnostic tools are required. In response, this study…
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Journal Article
Performance Analysis of SpectralNet Algorithm on Fashion MNIST and KMNIST Datasets: A Study on Clustering Efficiency and Resource Utilization
Unsupervised learning faces an essential data clustering challenge in high dimensions where SpectralNet stands as an effective approach which combines deep learning with spectral clustering methods. A performance evaluation of SpectralNet measures its results on Fashion MNIST and KMNIST with…
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Journal Article
Effects of Layered Architecture & UI Design upon Maintainability & Usability: An Implementation Case Study of 3D Electronic Communication Surveillance Analytic
Software Architecture provides views and structure of the system at a high-level of abstraction. The selection of software architecture and user interface design has a great influence upon the quality of software. Our research is going in two directions; one to find the impact of layered…
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Journal Article
A Low-Profile Dual-band Single-layer Multifunctional Metamaterial Based Frequency Selective Surface for 5G Applications
A low-profile dual-band single-layer multifunctional metamaterial-based frequency selective surface for 5G applications is proposed. The proposed design is a modified disc shape structure with slots at the edges and symmetrical semi-circle apertures to get a broadband 3-dB passband of 29.6-36 GHz…
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Journal Article
The Use of Gamma Interval Functions in Fundamental Engineering Problems
The newly proposed Gamma Interval Function is treated in detail in this work for the first time. The function may be applied to all fundamental engineering problems where multiple solutions exist over the whole domain of interest. With the aid of the function, multiple solutions defined over the…
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Journal Article
Characterizing the Complex and Zero Shear Viscosity Properties of Polymer-Modified Asphalt Using Master Curves
The performance of the flexible pavement is based on the characterization of hot mix asphalt (HMA). The alterations in climatic conditions and traffic loading influence the rheological properties of asphalt. The asphalt viscosities are an important parameter of asphalt that gives resistance to…
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Journal Article
Fake News Detection System using Machine Learning with Recurrent Neural Networks
The rapid growth of fake news on digital platforms has posed a significant threat to information integrity and societal trust. A number of machine learning techniques were proposed and tested in this study include Naïve Bayes, Long Short-Term Memory (LSTM) and Bi Directional RNNs for detecting fake…
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Journal Article
Advanced Battery Management for Electric Vehicles: Charge Monitoring and Fire Security
A thorough study presented in this paper focuses on the design and development of a cutting-edge Battery Management System for Electric Vehicles (EV-BMS). This paper examines the centrality of BMS in prolonging and protecting the valuable life of the lithium-ion battery pack in EVs. What follows…