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Development of a fixed-order [Formula: see text] controller for a robust P&O-MPPT strategy to control poly-crystalline solar PV energy systems.
Sci Rep
January 2025
Department of Electrical Engineering, College of Engineering, Taif University, Taif, 21944, Saudi Arabia.
This paper presents a novel approach to modeling and controlling a solar photovoltaic conversion system(SPCS) that operates under real-time weather conditions. The primary contribution is the introduction of an uncertain model, which has not been published before, simulating the SPCS's actual functioning. The proposed robust control strategy involves two stages: first, modifying the standard Perturb and Observe (P&O) algorithm to generate an optimal reference voltage using real-time measurements of temperature, solar irradiance, and wind speed.
View Article and Find Full Text PDFA remote monitoring approach for coastal engineering projects.
Sci Rep
January 2025
School Geography & Environmental Sciences, Ulster University, Coleraine, UK.
High costs and project-based (short-term) financing mean that coastal engineering projects are often undertaken in the absence of appropriate post-construction monitoring programmes. Consequently, the performance of shoreline-stabilizing structures or beach nourishments cannot be properly quantified. Given the high value of beaches and the increase in erosion problems and coastal engineering responses, managers require as much accurate data as possible to support efficient decision-making.
View Article and Find Full Text PDFBeta-tricalcium phosphate patient-specific gap implants in bilateral sagittal split osteotomy: an innovative treatment method to enhance the mandibular border contour. Part 1: concept and workflow.
Int J Oral Maxillofac Surg
January 2025
Division of Maxillofacial Surgery, Department of Surgery, AZ Sint-Jan Brugge AV, Bruges, Belgium; Oral and Maxillofacial Surgery Unit, Division of Surgery, Barzilai Medical Center, Affiliated to Ben-Gurion University of the Negev, Ashkelon, Israel.
Antegonial notching can occur after bilateral sagittal split osteotomy (BSSO) and may lead to unpleasant aesthetic outcomes in both young and older patients. This clinical study presents a new concept to potentially overcome this problem and describes the workflow. Beta-tricalcium phosphate patient-specific gap implants (β-TCP gap-PSIs) are biocompatible and resorbable bone grafts that are placed in the space of the osteotomy gap during orthognathic procedures; they are virtually planned and printed in 3D.
View Article and Find Full Text PDFFirst report of KPC-35-producing Klebsiella pneumoniae ST258 isolated in Peru.
Rev Argent Microbiol
January 2025
Universidad de Piura, Facultad de Medicina Humana, Lima, Peru.
Klebsiella pneumoniae sequence type 258 (ST258) is the main cause of the global spread of KPC and a significant public health problem. In 2015, ceftazidime/avibactam (CZA) was introduced as a therapeutic alternative and since it has contributed to the development of new KPC variants. Here we present the identification of two consecutive isolations of K.
View Article and Find Full Text PDF[Analysis of influencing factors on the height of gingival papilla around implants].
Zhonghua Kou Qiang Yi Xue Za Zhi
January 2025
Clinical Division, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100034, China.
The anatomical structure of the gingival papilla around the implant is special, and it is difficult to recover after injury. The reduction of its height will have a negative impact on function and esthetics, and it is one of the many problems in implant treatment at present. This paper analyzes the influencing factors of implant gingival papilla height from three aspects: anatomical factors, implant surgical design and implant restorative design, including the classical influencing factors such as the shape of natural teeth, interproximal distance between the implant and the adjacent tooth, soft tissue grafting, and contour of implant restorations, as well as the hot and controversial influencing factors in recent years such as the thickness of soft tissues around the implant, the implant surgical timing, the flap design, and the surgical incision, in order to provide reference for clinicians in the process of implant treatment for gingival papilla preservation and reconstruction.
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