This paper proposes an improved maximum power point tracking (MPPT) method for the photovoltaic (PV) system using a modified particle swarm optimization (PSO) algorithm. The main advantage of is reduction steady- state oscillation (to practically zero) once (MPP) located. Furthermore, proposed has ability to track MPP extreme environmental condition, e.g., large fluctuations insolation and partial shading condition. algorithm simple can be computed very rapidly; thus, its implementation...

In this study, pure nickel oxide (NiO), manganese ferrite (MnFe2O4 or MFO), and binary oxide/manganese (NiO/MFO1–4) nanocomposites (NCs) were synthesized using the Sol–Gel method. A comprehensive investigation into their photoluminescence, structural, morphological, magnetic, optical, photocatalytic properties was conducted. Raman analysis, UV–Vis spectroscopy, Fourier-transform infrared scanning electron microscopy, X-ray diffraction techniques used to characterize materials. The samples...

Automatic detection of plant diseases has emerged as a challenging field in the last decade. Computer vision-based advancements have helped timely and accurate identification diseases, making possible an appropriate treatment hence ensuring increased yield. Diseases attack different formations on plant; most severe being multiple appearing single leaf. Moreover, various progress, they generate similar-looking symptoms task further difficult. This work addresses these two problems with help...

This work presents a battery-ultracapacitor hybrid energy storage system (HESS) for pulsed loads (PL) in which ultracapacitors (UCs) run the pulse portion of load while battery powers constant part load. Energy stored UC depends upon square its voltage that's why an active parallel topology with two bidirectional converters (BDC) is employed here that assigns separate BDC to control between upper and lower limit as per-requisite. The other converter connected DC-link provide distinct...

This paper describes the analysis and design of an LCL resonant power supply for ozone generation. The main advantage proposed topology is absence high-voltage transformer; high voltage gain achievable by means double-resonance phenomena. Furthermore, bandwidth wider than ordinary LC its phase difference constant over specific frequency range; as a result, open-loop operation can be implemented. complete procedure presented. verified implementing to drive dielectric barrier discharge...

The optimal PMU placement problem is placing the minimum number of PMUs in network to ensure complete observability. It an NP-complete optimization problem. based on cost and critical nodes solved separately literature. This paper proposes a novel approach, degree centrality objective function, combine effect both strategies place power optimally. contingency analysis zero-injection buses are reliability monitoring attain PMUs. Integer linear programming used IEEE 7-bus, 14-bus, 30-bus, New...

This paper presents a simple yet effective method to determine the electrical model parameters of dielectric barrier discharge (DBD) ozone chamber at frequencies above 20 kHz. The is an alternative conventional Lissajous plot estimation which appears yield unsatisfactory results in this frequency range. Furthermore, proposed technique allows for be determined different frequencies-a flexibility not easily achievable using typical method. measurement setup consists full-bridge inverter and...

Using deep learning-based tools in the field of agriculture for automatic detection plant leaf diseases has been place many years. However, optimizing their use specific background field, presence other leaves and soil, is still an open challenge. This work presents a learning model based on YOLOv6s that incorporates (1) Gaussian error linear unit backbone, (2) efficient channel attention basic RepBlock, (3) SCYLLA-Intersection Over Union (SIOU) loss function to improve accuracy base...

Abstract This work presents an energy management scheme (EMS) based on a rule-based grasshopper optimization algorithm (RB-GOA) for solar-powered battery-ultracapacitor hybrid system. The main objective is to efficiently meet pulsed load (PL) demands and extract maximum from the photovoltaic (PV) array. proposed approach establishes simple IF-THEN set of rules define search space, including PV, battery bank (BB), ultracapacitor (UC) constraints. GOA then dynamically allocates power shares...

This paper addresses a multi-objective particle swarm optimization (MOPSO) algorithm to locate the best position at which single distributed generator (DG) with optimum voltage amplitude and phase can be installed. The objective is maximize power factor in IEEE 9-Bus system 15-Bus using MATLAB/SIMULINK software. Systematic simulations revealed that DG Bus-5 amplitude/phase of 230 kV/-13 ∘ caused highest function value 1.9919 an improvement 1.39% 1.15% respectively. In system, Bus-3 (0.8828)...

Fuzzy logic controller (FLC) is an attractive alternative to existing classical or modern controllers for designing the challenging Non-linear control systems as it provides a heuristically method by If-Then Rules which resembles human intelligence. This paper presents design and analysis of FLC outer loop PD inner ball beam system. Additionally, PID based on ITAE equations position also designed compare performance both types controllers. Results reveal that found give better transient...

AbstractThis work investigates the effect of carbon black content on tensile, electrical, and morphological properties epoxy matrix. Carbon black–filled composites were obtained by mixing desired amount from bamboo stem (BS-CB), oil palm empty fruit bunch (EFB-CB), coconut shell (CNS-CB) with resin. Tensile electrical three different sources (BS-CB, EFB-CB, CNS-CB) used to fill composite 5% filler loading measured results indicated improvement in tensile properties. The diffraction patterns...

Phasor measurement units (PMUs) provide synchronized measurements to enhance power system monitoring, strategically placed achieve full network observability with minimal cost. In this paper, the PMU placement problem for critical buses is addressed using integer linear programming, taking into account both contingencies and impact of zero-injection buses. The primary contribution development a multi-stage approach place PMUs on Moreover, it demonstrated that considering inherently accounts...

Abstract This paper extends previous research on using quantum computers for risk management to a substantial, real-world challenge: constructing internal model medium-sized insurance company. Leveraging the author’s extensive experience as former Head of Internal Model at prominent UK insurer, we closely examine practical bottlenecks in developing and maintaining models. Our work seeks determine whether quadratic speedup, through amplitude estimation can be realised problems an industrial...

The primary surgical intervention addressing urinary blockage caused by an enlarged non-cancerous prostate involves a procedure performed via the urethra. Despite its widespread use, protocols for timing of catheter withdrawal after surgery differ significantly. This research aimed to evaluate outcomes between patients undergoing immediate versus postponed extraction, analyzing factors such as hospitalization duration, volume tissue excised during procedure, operative time, need blood...

Background: Hepatitis B (HB) remains a significant public health concern globally, particularly among healthcare workers who are at high risk due to exposure infected bodily fluids. Objective: This study aimed evaluate the knowledge, attitudes, and practices (KAP) regarding Rescue 1122 in Lahore, Pakistan. Methodology: cross-sectional analytical was conducted over nine months Emergency Services Academy-Rescue involving 358 EMTs selected via simple random sampling. A self-designed...

This study employs critical discourse analysis to investigate how Pakistani dramas construct, silence and contest gender power relations over dialogues narrative techniques. The data consists of selected from the Duniyapur Dil-e-Nadan, mainly those that present relations, gendered reinforcement or challenges govern ideologies about femininity. In this regard, researchers used Norman Fairclough's three-dimensional method help in analyzing involving textual analysis, discursive practice,...

It is well known that ozone concentration depends on air/oxygen input flow rate and power consumed by the chamber. For every chamber, there exists a unique optimum results in maximum concentration. If increased (beyond) or decreased (below) from this value, drops. This paper proposes technique whereby can be maintained even if increases. The idea to connect n number of chambers parallel, with each chamber designed operate at its point. Aside delivering high rate, proposed system requires...

Cotton is an important commodity because of its use in various industries across the globe. It grown many countries and imported/exported as a cash crop due to large utility. However, cotton yield adversely affected by existence pests, viruses pathogenic bacteria, etc. For last one decade or so, several image processing/deep learning-based automatic plant leaf disease recognition methods have been developed but, unfortunately, they rarely address diseases. The proposed work presents simple...

Fuzzy Logic Controller (FLC) performance is greatly dependent on its inference rules. In most cases, the more rules being applied to a FLC, accuracy of control action enhanced. Nevertheless, large set requires computation time. As result, FLC implementation fast and high processors. this paper, it shown that rule table two-input FLCs used ball beam system can be reduced form Single Input (SIFLC), which easily implemented using lookup table. Simulated results are presented demonstrate better...

This study describes the design and implementation of a high-frequency resonant converter based on transformerless half-bridge inverter topology. The transformer can be omitted because voltage gain 'LC' tank circuit (without transformer) is sufficiently high to overcome initiation maintain steady ozone yield. Another important contribution work increase in operating frequencies, that is, up 95 kHz. has two main benefits: (i) smaller component values (which lead size converter) (ii) lower...