Showing 2,861 - 2,880 results of 2,977 for search '"uncertainty"', query time: 0.06s Refine Results
  1. 2861

    An Enhanced Second-Order Terminal Sliding Mode Control Based on the Super-Twisting Algorithm Applied to a Five-Phase Permanent Magnet Synchronous Generator for a Grid-Connected Win... by Ben ouadeh Douara, Abdellah Kouzou, Ahmed Hafaifa, Jose Rodriguez, Mohamed Abdelrahem

    Published 2025-01-01
    “…This designed hybrid control strategy improves the adaptability of the control system to wind fluctuations and enhances the system’s robustness against external disturbances and uncertainties, leading to higher reliability and efficiency in the wind energy conversion system. …”
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    Article
  2. 2862

    Analyzing and forecasting under-5 mortality trends in Bangladesh using machine learning techniques. by Shayla Naznin, Md Jamal Uddin, Ishmam Ahmad, Ahmad Kabir

    Published 2025-01-01
    “…While the Linear Regression model demonstrated exceptional accuracy in forecasting trends, long-term predictions should be interpreted cautiously due to inherent uncertainties in socio-economic conditions. The forecasted rates fall short of the Sustainable Development Goal (SDG) target of 25 deaths per 1,000 live births by 2030, underscoring the need for intensified interventions in healthcare access and maternal health to achieve this target.…”
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    Article
  3. 2863

    Metaheuristic algorithm for parametric optimization of liquid nitrogen pumping in hydrocarbon and allied fluids piping systems by S. Isaac, C. Kadurumba, H. Ugwu, F. Abam

    Published 2025-01-01
    “…This study applied a population-based metaheuristic algorithm to optimize liquid nitrogen pumping in hydrocarbon and allied fluids piping systems to ensure optimal process efficiency, minimize energy consumption, and minimize operational costs without extensive computational tasks while considering uncertainties and variability. Liquid nitrogen pumping in hydrocarbon and allied fluids piping systems involves a heat and mass transfer process where by liquid nitrogen flows from the storage tank to the pump unit and is converted to the gaseous state in an integrated heat exchanger. …”
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    Article
  4. 2864

    ASTEC–MAAP Comparison of a 2 Inch Cold Leg LOCA until RPV Failure by J. C. de la Rosa Blul, S. Brumm, F. Mascari, S. J. Lee, L. Carenini

    Published 2018-01-01
    “…The biggest differences are found in the in-vessel melt progression and relocation into the lower plenum, which deserve further research to reduce the uncertainties.…”
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    Article
  5. 2865

    Evaluation of Satellite Rainfall Products over the Mahaweli River Basin in Sri Lanka by Helani Perera, Shalinda Fernando, Miyuru B. Gunathilake, T. A. J. G. Sirisena, Upaka Rathnayake

    Published 2022-01-01
    “…Noteworthy, rainfall data retrieved from satellites also possess several uncertainties. Hence, these SRPs should essentially be validated beforehand. …”
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    Article
  6. 2866

    Russia and NATO’s ‘Open Door’ Policy in the Post-Bipolar Period by P. Ye. Smirnov

    Published 2024-07-01
    “…On the other hand, the viability and effectiveness of this policy are being questioned by a number of serious challenges for the West both in Europe and beyond. Given these uncertainties, NATO will gradually give up the ‘open door’ principle in favor of more flexible formats of military and political cooperation with non-member countries.…”
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  7. 2867

    Fracture Modeling of Deep Tight Sandstone Fault-Fracture Reservoir Based on Geological Model and Seismic Attributes: A Case Study on Xu 2 Member in Western Sichuan Depression, Sich... by Jitong Li, Junlong Liu, Hongde Chen, Jianhua He, Ruyue Wang, Xupeng Shao, Xin Fang

    Published 2023-01-01
    “…However, due to the complexity of fractures and the discrepancy between the scale of fractures and the scale that can be predicted by geophysical methods, there may still be some uncertainties associated with this method.…”
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    Article
  8. 2868

    Real-Time HIL Simulation of Nonlinear Generalized Model Predictive-Based High-Order SMC for Permanent Magnet Synchronous Machine Drive by Hafidh Djouadi, Kamel Ouari, Youcef Belkhier, Hocine Lehouche

    Published 2024-01-01
    “…Importantly, this strategy circumvents the need for direct measurement and observation of external disturbances and parameter uncertainties. The proposed strategy follows a two-phase process. …”
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    Article
  9. 2869

    PHILOSOPHICAL APPROACH OF RAISING GODLY CHILDREN TO FACE PRESENT CHALLENGES IN THE 21ST CENTURY: THE CHRISTIAN PERSPECTIVE by UJATA SHAIBU AMOS, LADI UKA UJATA

    Published 2024-04-01
    “…In summary, the philosophical approach to raising godly children to face present challenges in this present age is mostly based on parent’s efforts to help their children navigate the uncertainties of the world while staying true to their godly values and principles. …”
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    Article
  10. 2870

    Re‐evaluation of butane (E 943a), isobutane (E 943b) and propane (E 944) as food additives by EFSA Panel on Food Additives and Flavourings (FAF), Laurence Castle, Monica Andreassen, Gabriele Aquilina, Maria Bastos, Polly Boon, Biagio Fallico, Reginald Fitzgerald, Maria Jose Frutos Fernandez, Bettina Grasl‐Kraupp, Ursula Gundert‐Remy, Rainer Gürtler, Eric Houdeau, Marcin Kurek, Henriqueta Louro, Patricia Morales, Sabina Passamonti, Gabriele Gagliardi, Salvatore Multari, Josef Daniel Rasinger, Ana Maria Rincon, Camilla Smeraldi

    Published 2025-01-01
    “…Existing EU specifications for the three food additives already contain limits for the toxic impurity 1,3‐butadiene (1,3‐BD), however due to a lack of information on the manufacturing processes used, uncertainties do remain regarding the potential presence of other impurities not listed in the current EU specifications for food additives. …”
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  11. 2871

    Internet Addiction Effect on Quality of Life: A Systematic Review and Meta-Analysis by Farzaneh Noroozi, Soheil Hassanipour, Fatemeh Eftekharian, Kumars Eisapareh, Mohammad Hossein Kaveh

    Published 2021-01-01
    “…Due to the use of different methodologies, tools, and measurements, the positive or negative impact of Internet use on human life quality is accompanied by a series of ambiguities and uncertainties. Therefore, in this study, a systematic review and meta-analysis are conducted regarding the effect of Internet addiction on the quality of life. …”
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  12. 2872

    Strategy of Russian Military Cooperation with the Countries of the Arab Region by A. A. Zhilchenko, M. N. Pasko

    Published 2024-04-01
    “…The article undertakes an analysis of the prospective domains of Russian military collaboration with Arab countries against the backdrop of geopolitical uncertainties. Despite maintaining its position as the second-largest arms exporter globally, Russia has experienced a proportional decline in its share of the global arms market. …”
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    Article
  13. 2873

    Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp. by European Food Safety Authority (EFSA), European Centre for Disease Prevention and Control (ECDC), European Chemicals Agency (ECHA), European Environment Agency (EEA), European Medicines Agency (EMA), European Commission's Joint Research Centre (JRC)

    Published 2025-01-01
    “…For the evaluation of such studies within the approval procedure, a preliminary framework for risk assessment was developed and should be further refined. Data gaps and uncertainties were identified, alongside with respective recommendations to address them.…”
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    Article
  14. 2874

    Modeling the impact of extreme weather events and future climate on the radiologically contaminated sites of Enewetak Atoll by Lakshitha Premathilake, Saikat Ghosh, Rajiv Prasad, Sourav Taraphdar, Taiping Wang, Tarang Khangaonkar, Bruce Napier, Tracy Ikenberry, Lai-yung Leung

    Published 2025-01-01
    “…Further, due to the limitations of the study and uncertainties/biases in the historical data used, further research supported by field surveys to better characterize the current contamination level may be needed to make more accurate predictions.…”
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  15. 2875

    Dynamic analysis and comparison of the performance of linear and nonlinear controllers applied to a nonlinear non-interactive and interactive process by José M. Campos-Salazar, Pablo Lecaros, Rodrigo Sandoval-García

    Published 2024-09-01
    “…In contrast, the SMC leveraged the full nonlinear dynamics of the process, establishing a sliding surface to drive the system states toward a desired trajectory with robustness against model uncertainties and external disturbances. The SMC's performance was evaluated by analyzing the existence and stability of the sliding mode using the derived switching laws for the actuation signal. …”
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    Article
  16. 2876

    Cluster analysis of potential autonomous vehicle (AV) adopters in Indonesia’s new capital by Eko Agus Prasetio, Dita Novizayanti, Aghnia Nadhira Aliya Putri

    Published 2025-01-01
    “…Autonomous Vehicles (AVs) could offer a solution by optimizing routes and enhanced efficiency, thereby reducing stop-and-go behavior that leads to congestion and lowering risks associated with current mobility options. However, uncertainties about AV safety and security remain, shaped by cultural, educational, and personal contexts. …”
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    Article
  17. 2877

    What is known from the existing literature about self-management of pessaries for pelvic organ prolapse? A scoping review by Dawn Dowding, Lucy Dwyer, R Kearney

    Published 2022-07-01
    “…However, there remains a number of uncertainties regarding pessary self-management. This scoping review aims to map available evidence about pessary self-management to identify knowledge gaps providing the basis for future research.Design Scoping review as detailed in the review protocol.Data sources A search of MEDLINE, CINAHL, EMBASE and PsycINFO databases and a handsearch were undertaken during May 2021 to identify relevant articles using the search terms ‘pessary’ and ‘self-management’ or ‘self-care’.Data extraction and synthesis Data relevant to pessary self-management was extracted and the Mixed Methods Appraisal Tool used to assess empirical rigour. …”
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  18. 2878
  19. 2879

    An EFQM-Fuzzy Network Data Envelopment Analysis Model for Efficiency Assessment in Organizations by Alireza Khosravi, Mohammad Fallah, Seyyed Esmaeil Najafi

    Published 2021-01-01
    “…The classic DEA models were designed to work with deterministic data and cannot deal with uncertainties in their inputs. The techniques developed so far for fuzzy performance evaluation are also very limited. …”
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    Article
  20. 2880

    Enhanced gap-filling for satellite-derived crop monitoring using temperature-driven reconstruction techniques by Flavian Tschurr, Lukas Valentin Graf, Achim Walter, Helge Aasen

    Published 2025-03-01
    “…By employing a probabilistic ensemble Kalman filtering data assimilation scheme, we can integrate high-resolution air temperature data and satellite imagery while quantifying uncertainties. Our results suggest that assimilating Sentinel-2 GLAI and temperature-response-based growth rates allows for the reconstruction of physiologically meaningful GLAI time series. …”
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    Article