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Experimental analysis of genetic algorithm-enhanced PI controller for power optimization in multi-rotor variable-speed wind turbine systems.
Sci Rep
January 2025
Department of Electrical Engineering, College of Engineering, King Khalid University, P.O. Box 394, 61421, Abha, KSA, Saudi Arabia.
The direct power control (DPC) algorithm is one of the most popular linear techniques used to implement notable controllers, known for their simplicity and fast dynamic response. However, this approach has drawbacks that cause a decrease in the current quality and disturbances in the network. Therefore, this experimental work presents a simple and efficient solution that uses a proportional-integral regulator based on a genetic algorithm to regulate the power quality.
View Article and Find Full Text PDFReview of advances in glycan analysis on exosomes, cancer cells, and circulating cancer-derived glycoproteins with an emphasis on electrochemistry.
Anal Chim Acta
January 2025
Department of Biomedical Engineering, Korea University, Seoul, 02841, South Korea; Interdisciplinary Program in Precision Public Health, Korea University, Seoul, 02841, South Korea. Electronic address:
Glycosylation, the intricate process of adding carbohydrate motifs to proteins, lipids, and exosomes on the cell surface, is crucial for both physiological and pathological mechanisms. Alterations in glycans significantly affect cancer cell metastasis by mediating cell-cell and cell-matrix interactions. The subtle changes in glycosylation during malignant transformations highlight the importance of analyzing cell and exosome surface glycosylation for prognostic and early treatment strategies in cancer.
View Article and Find Full Text PDFElectrophysiological characteristics and durability of index PFA lesions from redo procedures for atrial arrhythmia recurrences.
Heart Rhythm
January 2025
Hôpital Cardiologique du Haut-Léveque, CHU de Bordeaux, L'Institut de RYthmologie et modélisation Cardiaque (LIRYC), Université de Bordeaux, Bordeaux, France.
Local field potential phase modulates the evoked response to electrical stimulation in visual cortex.
J Neural Eng
January 2025
Department of Physiology and Department of Electrical and Computer System Engineering, Monash University - Clayton Campus, Wellington Rd, Melbourne, Victoria, 3800, AUSTRALIA.
Development of cortical visual prostheses requires optimization of evoked responses to electrical stimulation to reduce charge requirements and improve safety, efficiency, and efficacy. One promising approach is timing stimulation to the local field potential (LFP), where action potentials have been found to occur preferentially at specific phases. To assess the relationship between electrical stimulation and the phase of the LFP, we recorded action potentials from primary (V1) and secondary (V2) visual cortex in marmosets while delivering single-pulse electrical microstimulation at different phases of the local field potential.
View Article and Find Full Text PDFPrimary Cardiac Myxofibrosarcoma of the Left Atrium with Heterologous Elements Mimicking a Cardiac Myxoma.
Am J Case Rep
January 2025
Department of Anatomic Pathology and Cytopathology, University Hospital "Dr. José Eleuterio González", Monterrey, Mexico.
BACKGROUND Primary cardiac malignancies are extremely rare, with an incidence of 0.07% on autopsy series. Primary sarcomas represent up to 95% of malignant neoplasms, with myxofibrosarcomas accounting for only 10%.
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