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  1. 561

    Research on adaptive motion methods of flexible knee joints based on the artificial potential field by LUO Tianhong, LI Chaoyang, MA Xiangyu, FU Qiang, FANG Shangchen

    Published 2025-05-01
    “…ObjectiveConsidering the tracking error of the motion trajectory of the flexible knee joint and the influence of the flexibility on the joint motion, an adaptive impedance control method based on the artificial potential field (APF) was proposed.MethodsThe method took the pneumatic artificial muscle as the power source, and by establishing a kinetic model between the human-machine interaction moment and the knee joint motion angular velocity, the size of the impedance control parameter could be adjusted in real time, so as to realize the following of the motion of the exoskeleton knee joint and the human leg; the control parameter was optimized using the APF concept to enhance the effect of the motion following, and the effectiveness of the algorithm was verified by simulation and test.ResultsThe results show that the proposed APF-based adaptive impedance control method enables the exoskeleton to adaptively track the human motion trajectory and can reduce the error of trajectory tracking, thus improving the suppleness of the flexible knee joint control and enhancing the human-machine synergy of the system.…”
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  2. 562

    Methods of Possible Application of Cell-Free Amniotic Fluid Analogues in the Practice of a Pediatrician by Kyamal E. Gasanov, Lidiya V. Sorogina, Mikhail S. Parfenov-Mamykin, Anna A. Tsaturova

    Published 2025-02-01
    “…The use of amniotic fluid as a source of stem cells is of great interest in cosmetology, genetics, obstetrics, neonatology and other areas of medicine. …”
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    Article
  3. 563
  4. 564

    Data and methods for assessing urban green infrastructure using GIS: A systematic review. by Xiaomian Wu, Jianquan Liu, Yukun Hou

    Published 2025-01-01
    “…A comprehensive review of this field clarifies the research methods, application scope, trends, and challenges associated with using GIS to advance UGI development. …”
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    Article
  5. 565

    A Comparative Study of the Extraction Methods for the Simultaneous Detection of NPS Groups from Urine by M. Kuloglu Genc, S. Mercan, C. Bulut, Z. Turkmen

    Published 2024-12-01
    “…Results: The optimized extraction method was validated in terms of selectivity, linearity, the limit of detection, the limit of quantification, accuracy, and precision. …”
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    Article
  6. 566

    Research on Control Strategy of Two Dimensional Output Force Vibration Damping Electric Actuator by Zhenyang Hao, Tao Wang, Xin Cao, Xue Li, Qiyao Zhang

    Published 2021-01-01
    “…The controller parameters are designed by state space method and the method of characteristic value of the feedback matrix to ensure the stability of the control system. …”
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  7. 567

    Integrated computational and experimental evaluation of thermal optimization in energy pile groups in soft clay by Thiti Chanchayanon, Susit Chaiprakaikeow, Apiniti Jotisankasa, Shinya Inazumi

    Published 2025-09-01
    “…Energy piles, combining building foundations with ground source heat pump (GSHP) systems, offer a sustainable thermal solution for urban buildings. …”
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    Article
  8. 568

    Flow Modeling in Pelton Turbines by an Accurate Eulerian and a Fast Lagrangian Evaluation Method by A. Panagiotopoulos, A. Židonis, G. A. Aggidis, J. S. Anagnostopoulos, D. E. Papantonis

    Published 2015-01-01
    “…Some commercial and open-source CFD codes, which implement Eulerian methods, have been validated against experimental results showing satisfactory accuracy. …”
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    Article
  9. 569

    An Intelligent Method for C++ Test Case Synthesis Based on a Q-Learning Agent by Serhii Semenov, Oleksii Kolomiitsev, Mykhailo Hulevych, Patryk Mazurek, Olena Chernyk

    Published 2025-08-01
    “…Most traditional test suite optimization methods treat test cases as atomic units, without analyzing the utility of individual instructions. …”
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    Article
  10. 570

    Inversion Method for Permitting Loadings of Pollutant from Lateral Effluents Based on Adjoint Equations by SHI Xiaoyan, ZHANG Hong, TAO Chunhua, LU Lingjiang, WAN Xin, LIU Zhaowei

    Published 2025-07-01
    “…However, optimization objectives that rely on discrepancies between predicted and observed concentrations cannot be directly applied to determine the permissible loadings, limiting the application of the adjoint equation method to this issue. …”
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    Article
  11. 571

    Inversion Method for Permitting Loadings of Pollutant from Lateral Effluents Based on Adjoint Equations by SHI Xiaoyan, ZHANG Hong, TAO Chunhua, LU Lingjiang, WAN Xin, LIU Zhaowei

    Published 2025-07-01
    “…However, optimization objectives based on the discrepancies between predicted and observed concentrations cannot be straightforwardly employed for determining the permissible loadings, thus restricting the application of the adjoint equation method to this issue. …”
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    Article
  12. 572

    Numerical Solutions of the Mean‐Value Theorem: New Methods for Downward Continuation of Potential Fields by Chong Zhang, Qingtian Lü, Jiayong Yan, Guang Qi

    Published 2018-04-01
    “…Abstract Downward continuation can enhance small‐scale sources and improve resolution. Nevertheless, the common methods have disadvantages in obtaining optimal results because of divergence and instability. …”
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  13. 573

    Methods of sinus rhythm restoration in patients with persistent and long-standing persistent atrial fibrillation by L. M. Kalmanson, E. I. Barashkova, I. V. Shlyk

    Published 2025-06-01
    “…Conclusion. The choice of the optimal method for restoring sinus rhythm in patients with persistent AF should be individualized.…”
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  14. 574

    Multiscale Feature Modeling and Interpretability Analysis of the SHAP Method for Predicting the Lifespan of Landslide Dams by Zhengze Huang, Yuqi Bai, Hengyu Liu, Yun Lin

    Published 2025-02-01
    “…The results show that the IBKA–CNN–Transformer achieves R<sup>2</sup> values of 0.99 on training data and 0.98 on testing data, surpassing the baseline methods. Moreover, SHapley Additive exPlanations analysis quantifies the influence of critical features such as dam length, reservoir capacity, and upstream catchment area on lifespan prediction, improving model interpretability. …”
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  15. 575

    Adaptive Step RRT*-Based Method for Path Planning of Tea-Picking Robotic Arm by Xin Li, Jingwen Yang, Xin Wang, Leiyang Fu, Shaowen Li

    Published 2024-12-01
    “…It combines fast connectivity and pruning optimization methods to identify collision-free paths in a shorter time and to reduce the computational burden. …”
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  16. 576

    An Improved Decline Curve Analysis Method via Ensemble Learning for Shale Gas Reservoirs by Yu Zhou, Zaixun Gu, Changyu He, Junwen Yang, Jian Xiong

    Published 2024-11-01
    “…The results show that the Improved DCA model achieved superior performance—with an mean absolute error (MAE) of 0.0660, an mean squared error (MSE) of 0.0272, and an <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>R</mi><mn>2</mn></msup></semantics></math></inline-formula> value of 0.9882—and exhibited greater stability across various samples and conditions. This method provides a reliable tool for long-term production forecasting and optimization without extensive geological or engineering information.…”
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  17. 577

    A Universal Method for Achieving Ultra‐Low Contact Resistances in Organic Electrochemical Transistors by Luis‐Abraham Lozano‐Hernández, Patrice Rannou, Yvan Bonnassieux, Sébastien Sanaur

    Published 2025-08-01
    “…An easy‐to‐implement method to achieve ultra‐low contact resistances in OECTs is introduced. …”
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  18. 578

    Study on Vibration Characteristics and Transmission Path of Mountain Rack Trains Based on the OPTA Method by Liangzhao Qi, Xingqiao Deng, Liyuan Zeng, Chenglong Dong, Yixin Xu, Shisong Wang, Yucheng Liu

    Published 2025-06-01
    “…However, due to the multi-source vibration of gear teeth, wheels, rails, and suspensions, it is difficult to clearly define the vibration characteristics and vibration transmission path of the train, which has a serious impact on its vibration noise suppression and optimization. …”
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  19. 579

    Cross-domain topic transfer learning method based on multiple balance and feature fusion by Zhenshun Xu, Zhenbiao Wang, Wenhao Zhang, Zengjin Tang

    Published 2025-05-01
    “…Additionally, we introduce a topic knowledge distillation method, leveraging topics from the source domain to guide and optimize topic generation in the target domain. …”
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  20. 580