Showing 5,781 - 5,800 results of 6,894 for search '"nonlinear"', query time: 0.07s Refine Results
  1. 5781
  2. 5782

    Autonomous decision-making method for ship maneuvering in complex waters of estuarine multi-class ships routeing system by HE Yixiong, ZHANG Huwei, LIU Jiaorun, ZHAO Xingya, XIANG Shouyuan, WANG Bing

    Published 2024-12-01
    “…The collision avoidance mechanism under the constraints of ship behavioural characteristics in such waters was explored by combining the control and process prediction methods with nonlinear ship manoeuvring characteristics. Then, a feasible heading speed finding method was established, and a ship manoeuvring autonomy decision-making method under the constraints of multifactors that can dynamically adapt to the system's residual error and the target ship's random motion was proposed. …”
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  3. 5783

    Dynamical system analysis for extended f(P) gravity coupled with scalar field by Ratul Mandal, Ujjal Debnath, Anirudh Pradhan

    Published 2025-01-01
    “…After presenting the field equation for the corresponding cosmological setup, we introduce some dimensionless variables and formulate a nonlinear autonomous system. For the different interaction scenarios, we have investigated the phase space and their physical characteristics and the dynamics of the cosmological solution associated with each critical point. …”
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  4. 5784

    Online Structural Health Monitoring and Parameter Estimation for Vibrating Active Cantilever Beams Using Low-Priced Microcontrollers by Gergely Takács, Ján Vachálek, Boris Rohal’-Ilkiv

    Published 2015-01-01
    “…The actuator input and the measured position are used in an augmented nonlinear model to observe the dynamic states and parameters of the beam by the continuous-discrete extended Kalman filter (EKF). …”
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  5. 5785

    Nanometer‐Scale 1D Negative Differential Resistance Channels in Van Der Waals Layers by Qirong Yao, Jae Whan Park, Choongjae Won, Sang‐Wook Cheong, Han Woong Yeom

    Published 2025-01-01
    “…This result would be important for nanoscale device applications based on strong nonlinear resistance within van der Waals material architectures.…”
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  6. 5786

    Influence of Body Mass Index on Inflammatory Profile at Admission in Critically Ill Septic Patients by Fernando G. Zampieri, Vanessa Jacob, Hermes V. Barbeiro, Fabiano Pinheiro da Silva, Heraldo P. de Souza

    Published 2015-01-01
    “…We found that levels of epidermal growth factor, vascular endothelial growth factor, and interleukins 4, 5, and 13 were associated with BMI in a complex, nonlinear way, independently of illness severity. Higher BMI was associated with higher levels of anti-inflammatory interleukins. …”
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  7. 5787

    Chaotic Puma Optimizer Algorithm for controlling wheeled mobile robots by Mohamed Kmich, Nawal El Ghouate, Ahmed Bencharqui, Hicham Karmouni, Mhamed Sayyouri, S.S. Askar, Mohamed Abouhawwash

    Published 2025-03-01
    “…It has outperformed standard and improved metaheuristic algorithms in controlling nonlinear and time-varying wheeled mobile robots. The results show a notable improvement in terms of response time and stability, thus expanding the potential applications of this optimizer in various fields of engineering and robotics.…”
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  8. 5788

    A chaotic bursting-spiking transition in a pancreatic beta-cells system: observation of an interior glucose-induced crisis by Jorge Duarte, Cristina Januário, Nuno Martins

    Published 2017-07-01
    “…Nonlinear systems are commonly able to display abrupt qualitative changes (or transitions) in the dynamics. …”
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  9. 5789

    Power flow analysis and volt/var control strategy of the active distribution network based on data-driven method by Chen Hui, Zhu Weiping, Liu Liguo, Shi Mingming, Xie Wenqiang, Zhang Chenyu

    Published 2025-01-01
    “…Firstly, the CatBoost machine learning model for the distribution network power flow analysis is proposed, and the nonlinear mapping relationship between the distribution network state and power flow results is described from the data-driven perspective. …”
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  10. 5790

    Finite Element Analysis of Occupant Risk in Vehicular Impacts into Cluster Mailboxes by Emre Palta, Lukasz Pachocki, Dawid Bruski, Qian Wang, Christopher Jaus, Howie Fang

    Published 2025-01-01
    “…This study investigated the crashworthiness of two types of CMs through nonlinear finite element simulations. Two configurations of CM arrangements were considered: a single- and a dual-unit setup. …”
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  11. 5791

    Deflection Calculation Based on SDOF Method for Axially Loaded Concrete-Filled Steel Tubular Members Subjected to Lateral Impact by Luming Wang, Yanhui Liu, Jiahuan Song, Shichun Zhao, Zhe Wang, Yue Zeng, Xingyu Feng

    Published 2020-01-01
    “…Based on numerical simulation and theoretical analysis, the impact response and deflection calculation method for axially loaded CFST members subjected to lateral impact are investigated in this paper. The nonlinear numerical model of an axially loaded CFST member considering the strain rate effects has been established, and the simulation accuracy has been validated by comparing with existing test results. …”
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  12. 5792

    The impact of preschool children’s physical fitness evaluation under self organizing maps neural network by Lili Wang, Wenjun Zou, Yuxuan Wang, Denise Koh, Wan Ahmad Munsif Bin Wan Pa, Rujiu Gao

    Published 2025-01-01
    “…Existing evaluation methods often rely on traditional, single statistical analyses, which struggle to handle the complexity of high-dimensional, nonlinear data, resulting in a lack of precision and personalization. …”
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  13. 5793

    Detection of Cracks in Rotating Shafts by Using the Combination Resonances Approach and the Approximated Entropy Algorithm by Rodrigo Nicoletti, Aldemir A. Cavalini, Valder Steffen

    Published 2018-01-01
    “…However, these techniques fail for the cases in which incipient cracks are concerned. Recently, a nonlinear approach to detect cracks in rotating shafts was presented. …”
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  14. 5794

    Association between cardiometabolic index and hypertension among US adults from NHANES 1999–2020 by Tuo Guo, Yang Zhou, Guifang Yang, Lijuan Sheng, Xiangping Chai

    Published 2025-02-01
    “…Findings confirmed that hypertensive participants exhibited significantly higher CMI levels (median 0.46 vs. 0.73), with adjusted logistic regression showing a notable association between increased CMI and hypertension prevalence (OR 1.30, 95% CI 1.25–1.35, P < 0.01), characterized by a nonlinear L-shaped curve with a critical threshold identified at a CMI value of 1.37. …”
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  15. 5795

    Jeffrey fluid flow past inclined stretchable sheet with magnetic dipole and suction/injection by Iyoko M.O., Olajuwon B.I., Fagbemiro O., Raji M.T.

    Published 2024-01-01
    “…The applicable equations were changed into nonlinear ordinary differential equations by similarity transformations. …”
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  16. 5796

    An Adaptive Intrusion Detection System for Evolving IoT Threats: An Autoencoder-FNN Fusion by J. Jasmine Shirley, M. Priya

    Published 2025-01-01
    “…The Autoencoder captures and reduces the dimensionality of high-dimensional IoT network traffic data, and the FNN distinguishes between normal network behaviour and various intrusion patterns by leveraging its ability to model nonlinear relationships. This dual-stage architecture offers adaptability to dynamic network conditions, accurately identifying attack instances while minimizing false positives. …”
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  17. 5797

    An Improved Fuzzy Logic Controller Design for PV Inverters Utilizing Differential Search Optimization by Ammar Hussein Mutlag, Hussain Shareef, Azah Mohamed, M. A. Hannan, Jamal Abd Ali

    Published 2014-01-01
    “…Results show that the proposed controller can successfully obtain the desired output when different linear and nonlinear loads are connected to the system. Furthermore, the inverter has reasonably low steady state error and fast response to reference variation.…”
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  18. 5798

    Multiplayer games and HIV transmission via casual encounters by Stephen Tully, Monica-Gabriela Cojocaru, Chris T. Bauch

    Published 2017-03-01
    “…They assess changes made at the population level for different intervention strategies.To further understand how individual changes affect the population as a whole, game-theoretical models are used to quantify the decision-making process.Investigating multiplayer nonlinear games that model HIV transmission represents a unique approach in epidemiological research. …”
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  19. 5799

    Mudharabah, musyarakah, financing risk, and performance of Islamic banks: Empirical evidence from Indonesia by Radhita Asfarina Annizar, Eddy Junarsin

    Published 2025-01-01
    “…Methodology – Using panel data and quadratic regression analysis, we explore the nonlinear relationships among mudharabah, musyarakah, financing risk, and performance of Islamic banks in Indonesia using a sample of 14 Indonesian Islamic banks during the period to 2008-2020. …”
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  20. 5800