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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) IJRETINA - International Journal of Retina
Kumar, Aniket
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Control & Systems Engineering Electrical & Electronics Engineering Health Professions Medicine & Pharmacology Public Health

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Adaptive dung beetle optimization-based agile perturb and observe technique for energy management system Sengar, Shweta; Kumar, Aniket
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 1: March 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i1.pp546-554

Abstract

Energy storage system (ESS) plays a significant role in maximizing the use of renewable energies to ensure a balance between power generation and demand. ESS assists in maintaining grid stability by providing backup power during fluctuations or outages and smoothing out the variability of renewable energy source (RES). However, EMS fails to effectively balance dynamic interactions due to the unpredictable nature of renewable energy sources (RES) which results in a suboptimal performance. This research proposes an adaptive T-distribution dung beetle optimization-based agile perturb and observe technique (ADBO-APO) for EMS. Photovoltaic (PV) module, battery, and wind turbine are the three sources utilized to establish an effective EMS in a grid-connected system. The ADBO is applied to manage the switching between battery storage and wind turbines. The APO is utilized for triggering the bidirectional DC-DC switch to obtain stable power from wind, PV, and battery. APO enhances EMS by involving perturbation levels for optimal power extraction. It improves the stability and efficiency across variable energy sources. The proposed ADBO-APO achieves a superior average index of 1.2598×104 when compared to the existing method, levy flight quasi oppositional based learning smell agent optimization (LFQOBL-SAO).
Prevalence and Demographic Patterns of Diabetic Retinopathy, Retinal Vein Occlusion, and Age-Related Macular Degeneration in Eastern India: An Epidemiological Study Sinha, Bibhuti Prassan; Anand, Abhishek; Kumar, Aniket; Sinha, Shivani; Yadav, Nishita
International Journal of Retina Vol 8 No 1 (2025): International Journal of Retina (IJRetina) - INAVRS
Publisher : Indonesian Vitreoretinal Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35479/ijretina.2025.vol008.iss001.307

Abstract

Purpose: To elucidate the epidemiology, clinical characteristics, and treatment outcomes of retinal diseases in Eastern India. Methodology: This prospective observational study was conducted at a tertiary care hospital from August 2021 to December 2022. Adult patients (≥18 years) diagnosed with diabetic retinopathy (DR), retinal vein occlusion (RVO), or age-related macular degeneration (ARMD) were enrolled after obtaining informed consent. Comprehensive data collection, including demographic information, clinical characteristics, and treatment outcomes, was conducted. Data were analyzed using descriptive and inferential statistical methods. Results: The study cohort (N=812) exhibited a predominance of DR (60.84%, 95% CI: 57.4-64.2%), followed by branch retinal vein occlusion (BRVO, 18.72%, 95% CI: 16.1-21.6%), ARMD (12.07%, 95% CI: 10.0-14.5%), and central retinal vein occlusion (CRVO, 11.08%, 95% CI: 9.1-13.4%). Demographic analysis revealed a male predominance (73.65%, 95% CI: 70.5-76.6%) and a younger population (60.3% ≤60 years, 95% CI: 56.9-63.6%). Comorbidities were highly prevalent, with diabetes mellitus (69.83%, 95% CI: 66.6-72.9%) and hypertension (58.99%, 95% CI: 55.6-62.3%) being the most common. Clinical evaluation showed decreased vision as the primary symptom (97.17%, 95% CI: 95.8-98.1%). Best Corrected Visual Acuity (BCVA) of 0.5 or better was observed in 52.1% of patients (95% CI: 48.7-55.5%). Optical Coherence Tomography revealed Central Macular Thickness exceeding 300 µm in 34.62% of cases (95% CI: 31.4-37.9%). Laser therapy was the predominant treatment modality (11.13%, 95% CI: 9.2-13.4%). Follow-up adherence demonstrated a significant decline after the initial visit (from 76.13% to 16.77%, p<0.001). Conclusion: This study highlights the urgent need for enhanced screening protocols and multidisciplinary management strategies in Eastern India to address the high burden of retinal diseases. Targeted interventions in this region could prevent vision loss and improve healthcare outcomes.
Co-Authors Anand, Abhishek Sengar, Shweta Sinha, Bibhuti Prassan Sinha, Shivani Yadav, Nishita