Showing 801 - 820 results of 1,089 for search 'dynamic issues parameter', query time: 0.12s Refine Results
  1. 801

    A Novel Adaptive Cuboid Regional Growth Algorithm for Trunk–Branch Segmentation of Point Clouds from Two Fruit Tree Species by Yuheng Cao, Ning Wang, Bin Wu, Xin Zhang, Yaxiong Wang, Shuting Xu, Man Zhang, Yanlong Miao, Feng Kang

    Published 2025-07-01
    “…However, the precise segmentation of trunks and branches remains a significant challenge, limiting the accurate measurement of phenotypic parameters and high-precision pruning of branches. To address this issue, a novel adaptive cuboid regional growth segmentation algorithm is proposed in this study. …”
    Get full text
    Article
  2. 802
  3. 803

    Effect of Coupled Wing Motion on the Aerodynamic Performance during Different Flight Stages of Pigeon by Yishi Shen, Yi Xu, Weimin Huang, Chengrui Shang, Qing Shi

    Published 2025-01-01
    “…We categorized the wing kinematic parameters during the takeoff, leveling flight, and landing stages into 5 kinematics parameters: flap, twist, sweep, fold, and bend. …”
    Get full text
    Article
  4. 804

    Study on Passive and Semiactive Control Systems in Structures under Near- and Far-Field Earthquakes by Mohammadreza Zamanian, Ali Kheyroddin, Alireza Mortezaei

    Published 2022-01-01
    “…Lack of proper understanding on the dynamic behavior of these structures during seismic events can lead to local and global failures on them. …”
    Get full text
    Article
  5. 805

    Analysis measurements of millet collision coefficient of restitution for mechanized seeding. by Yifei Li, Wenqi Zhou, Shujuan Yi, Tao Chen, Dongming Zhang, Song Wang

    Published 2025-01-01
    “…In this study, to explore the factors affecting the bounce issue observed when seeds exit the seed-metering and seed-guiding devices, the dynamic equations for the millet collision process were derived employing Newtonian kinematics, and a COR measurement test bench was built. …”
    Get full text
    Article
  6. 806

    Robust Adaptive Multiple Backtracking VBKF for In-Motion Alignment of Low-Cost SINS/GNSS by Weiwei Lyu, Yingli Wang, Shuanggen Jin, Haocai Huang, Xiaojuan Tian, Jinling Wang

    Published 2025-08-01
    “…An adaptive multiple backtracking method is designed in which the window size can be dynamically adjusted based on the innovation gradient; thus, the alignment time can be significantly shortened. …”
    Get full text
    Article
  7. 807
  8. 808

    Designing a robust method to improve virtual inertia control performance in islanded microgrid by Farhad Amiri

    Published 2025-03-01
    “…The linear quadratic regulator controller uses measurements of system states and the integration of a deep network increases the accuracy and dynamic response of the feedback controller. This allows for fine-tuning of the control response, which exhibits significant robustness against uncertainty in system parameters and disturbances. …”
    Get full text
    Article
  9. 809

    AFN-Net: Adaptive Fusion Nucleus Segmentation Network Based on Multi-Level U-Net by Ming Zhao, Yimin Yang, Bingxue Zhou, Quan Wang, Fu Li

    Published 2025-01-01
    “…Therefore, a novel nucleus segmentation method based on the U-Net architecture is proposed to overcome this issue. Firstly, we introduce a Weighted Feature Enhancement Unit (WFEU) in the encoder decoder fusion stage of U-Net. …”
    Get full text
    Article
  10. 810

    An accessible method for implementing hierarchical models with spatio-temporal abundance data. by Beth E Ross, Mevin B Hooten, David N Koons

    Published 2012-01-01
    “…A common goal in ecology and wildlife management is to determine the causes of variation in population dynamics over long periods of time and across large spatial scales. …”
    Get full text
    Article
  11. 811

    Cascaded Control System Design for Quadrotor UAV through Relay with Embedded Integrator-Based Automatic Tuning Approach by Ayaz Ahmed Hoshu, Ghulam E Mustafa Abro, Musaed Alhussein, Irfan Ali Tunio, Khursheed Aurangzeb, Anwar Ali

    Published 2023-01-01
    “…They are naturally underactuated systems, with complex and nonlinear dynamics as well as interaxes couplings. Considering the dynamical complexities of these vehicles, one of the efficient methods is to utilize the relay feedback experiments and automatic tuning approach to tackle these issues. …”
    Get full text
    Article
  12. 812

    Confinement of Vibrations in Variable-Geometry Nonlinear Flexible Beam by W. Gafsi, F. Najar, S. Choura, S. El-Borgi

    Published 2014-01-01
    “…We focus principally on design issues related to the passive control of the beam by proper selection of its geometrical and physical parameters. …”
    Get full text
    Article
  13. 813

    Testing biochemistry revisited: how in vivo metabolism can be understood from in vitro enzyme kinetics. by Karen van Eunen, José A L Kiewiet, Hans V Westerhoff, Barbara M Bakker

    Published 2012-01-01
    “…Moreover, when the same model was later applied to different experimental steady-state conditions, it often exhibited unrestrained metabolite accumulation.Here we resolve this issue by showing that the results of such ab initio modeling are improved substantially by (i) including appropriate allosteric regulation and (ii) measuring the enzyme kinetic parameters under conditions that resemble the intracellular environment. …”
    Get full text
    Article
  14. 814

    On improving public health after COVID-19 epidemic: A fractal-fractional mathematical solutions with short memory effect and efficient optimal strategies. by Biplab Dhar, Mohammad Sajid

    Published 2025-01-01
    “…To get numerical results, the "Adams-Bashforth-Moulton" method with slight modification in the kernel is used. The fractional parameters: memory effect and fractional diffusion shows a good performance of the proposed model in depicting the disease dynamics. …”
    Get full text
    Article
  15. 815

    An Investigation on the Ball Screw-Based Variable Displacement Mechanism for Axial Piston Pumps with Feedforward Differential Input Control by Guangcheng Zhang, Bokai Wang, Yueh-Jaw Lin

    Published 2025-02-01
    “…Traditional valve-controlled cylinder variable mechanisms (VCCVM) often suffer from limited control precision over the swash plate due to numerous uncertain parameters within the hydraulic system. To address this issue, a ball screw is utilized to replace the original valve-controlled cylinder for swash plate control, enhancing accuracy and responsiveness. …”
    Get full text
    Article
  16. 816

    Adaptive Optimization of Traffic Signal Timing via Deep Reinforcement Learning by Zibo Ma, Tongchao Cui, Wenxing Deng, Fengyao Jiang, Liguo Zhang

    Published 2021-01-01
    “…With rapid development of the urbanization, how to improve the traffic lights efficiency has become an urgent issue. The traditional traffic light control is a method that calculates a series of corresponding timing parameters by optimizing the cycle length. …”
    Get full text
    Article
  17. 817

    Dual-channel Potential Energy Recovery and Load Balancing Methods for Large Hydraulic Excavators by Weiping WANG, Shun LU

    Published 2024-11-01
    “…However, because the pressure of the accumulator cannot adapt dynamically to the load force, handling issues or excessive accumulator volume often occur. …”
    Get full text
    Article
  18. 818

    Lung ultrasound in the diagnosis of COVID-19-associated pneumonia by A. A. Balabanova, A. P. Kurazhov, V. D. Zavadovskaya

    Published 2023-01-01
    “…Ultrasound examination has a number of advantages (no radiation exposure, real-time imaging, clear visualization of the subpleural lung regions and costophrenic angles), which make it possible to use ultrasound to monitor the dynamics of pneumonia in children and pregnant women. …”
    Get full text
    Article
  19. 819

    Design and test of gravity self balancing upper limb rehabilitation robots by MA Chong, LI Shouzhong, KUANG Xinyu, ZHANG Wenlong, LI Junli, ZHAO Hongzhe

    Published 2025-01-01
    “…Based on the analysis of the change law of the center of mass during the cantilever working process of the upper limb rehabilitation robot, a cantilever mechanism of the upper limb rehabilitation robot that can automatically balance gravity was designed to address this issue.MethodsThis institution can achieve gravity balance by determining the position and parameters of the zero length spring, which means that only one spring is needed to meet the self balance of the upper limb rehabilitation robot cantilever in tension and rotation working states. …”
    Get full text
    Article
  20. 820

    Comparative examinations of wind speed and energy extrapolation methods using remotely sensed data – A case study from Hungary by István Lázár, István Hadnagy, Boglárka Bertalan-Balázs, László Bertalan, Sándor Szegedi

    Published 2024-10-01
    “…The exponent α of the power law of Hellmann and the roughness length (z0) are two parameters that describe the effects of the roughness of the surface on the wind profile. …”
    Get full text
    Article