-
21
A Computational Fluid Dynamics Study on the Effect of Drilling Parameters on Wellbore Cleaning in Oil Wells
Published 2024-11-01“…This study addresses this issue by employing Computational Fluid Dynamics (CFD) with the commercial software ANSYS FLUENT (2023-R1) to simulate a solid–liquid multiphase flow in an annulus. …”
Get full text
Article -
22
A Novel Parameter Estimation Method for Pneumatic Soft Hand Control Applying Logarithmic Decrement for Pseudo‐Rigid Body Modeling
Published 2025-03-01“…Controlling soft robots, especially soft hand grasping, is complex due to their ubiquitous deformation, prompting the use of reduced model‐based controllers to provide sufficient state information for high dynamic response control performance. However, most modeling techniques face computational efficiency and complexity of parameter identification issues. …”
Get full text
Article -
23
Research on an internal model control algorithm and parameter tuning for metro traction PMSMs
Published 2025-03-01Get full text
Article -
24
A Novel Formulation for Adaptive Computed Torque Control Enabling Low Feedback Gains in Highly Dynamical Tasks
Published 2025-01-01“…Adaptive Computed Torque Control addresses this issue by updating the dynamic model parameters to achieve asymptotic stability. …”
Get full text
Article -
25
-
26
-
27
Optimization of Vortex Tube Design Parameters Using the Taguchi Method
Published 2025-03-01Get full text
Article -
28
Identification Of The Causes Of The Seabed Dynamics (Cotonou Coast/Benin)
Published 2025-02-01“…Due to the issues related to the evolution of the seabed, the determination of the retreat or advancement of the ocean has been the subject of numerous scientific studies. …”
Get full text
Article -
29
Novel Physics-Informed Artificial Neural Network Architectures for System and Input Identification of Structural Dynamics PDEs
Published 2023-02-01“…When compared with traditional Artificial Neural Networks (ANNs), this approach requires substantially smaller training data and does not suffer from generalizability issues. In this regard, the states, inputs, and parameters of dynamic state-space equations of motion were estimated using simulated experiments with “noisy” data. …”
Get full text
Article -
30
DCSLK: Combined large kernel shared convolutional model with dynamic channel Sampling
Published 2025-07-01“…This study centers around the competition between Convolutional Neural Networks (CNNs) with large convolutional kernels and Vision Transformers in the domain of computer vision, delving deeply into the issues pertaining to parameters and computational complexity that stem from the utilization of large convolutional kernels. …”
Get full text
Article -
31
Control parameter identification method for virtual synchronous generator considering electric vehicles based on dynamic particle swarm optimization
Published 2025-04-01“…To address the issues of insufficient control parameter identification accuracy and convergence speed during the grid connection of distributed power sources, a control parameter identification method for the Virtual Synchronous Generator (VSG) converter model considering the integration of electric vehicles (EVs) based on the dynamic particle swarm optimization algorithm is proposed. …”
Get full text
Article -
32
-
33
Research on Dynamic Cuttings Transport in the Annulus of Large‐Offset 3D Horizontal Wells
Published 2025-07-01“…ABSTRACT In the drilling process of large‐offset three‐dimensional (3D) horizontal wells, the issue of cuttings transport is a critical concern for wellbore cleanliness and downhole safety. …”
Get full text
Article -
34
Research on Dynamic Modelling, Characteristics and Vibration Reduction Application of Hot Rolling Mills Considering the Rolling Process
Published 2024-09-01“…This study addresses the issue of frequent abnormal vibration in hot strip finishing mills by employing a combination of theory, simulation, and experimentation to analyze the dynamic behavior of the mill and apply findings to on-site vibration suppression. …”
Get full text
Article -
35
Optimization and Application of Ammonia Spraying Device Using Dynamic Matrix Control with Variable Parameters Based on Feed-Forward Loop
Published 2019-12-01“…Regarding the existing issues in the conventional regulators, this paper proposes an optimized ammonia spraying control strategy using dynamic matrix control with variable parameters on the basis of feed-forward loop. …”
Get full text
Article -
36
Dynamic behaviour of fluid-transporting axially functionally graded non-uniform Rayleigh pipes lying on variable two-parameter elastic foundation
Published 2025-06-01“…The objectives are three-fold, viz: to (i) compute accurately the natural frequencies of the Rayleigh pipes under consideration (ii) the second determine and analyze the influence of rotatory inertia parameter, foundation stiffness parameters, non-uniform terms, material gradient index parameter, mass ratio and the fluid flow velocity on the natural frequencies of the vibrating pipe, thereby coming up with some conclusions concerning the dynamic behaviour of the pipe under consideration, and (iii) the third objective is to develop the variational iteration method (VIM) scheme for examining vibration characteristics of non-uniform AFG fluid-transporting Rayleigh pipe lying on variable Pasternak foundation. …”
Get full text
Article -
37
-
38
Dynamic effect on turnouts of cars having wheelsets with thin flanges
Published 2020-09-01“…The results obtained in the calculations should be verified by dynamic-strength tests directly on the track.The article discusses the results of dynamic and strength tests to determine the effect of cars with different geometric parameters of wheelsets on turnouts with pre-formed average network and maximum permissible dimensions of the rail track parameters on the turnout and in the cross node. …”
Get full text
Article -
39
Frequency coordinated control and parameter optimization for photovoltaic–energy storage systems based on a GA-BP hybrid algorithm
Published 2025-08-01“…Subsequently, a GA-BP neural network is introduced and applied to the adaptive parameter design of the PV-ESS system, enabling real-time dynamic adjustment of the moment of inertia J, damping coefficient D, and virtual inertia coefficient K, thereby enhancing the dynamic response performance of active power.ResultsThe experimental results demonstrate that under active power command mutation scenarios, compared with fixed-parameter control strategies, the proposed strategy reduces the frequency nadir deviation by 14.81%, overshoot by 62.5%, and steady-state recovery time by 44.44%.DiscussionThe adaptive parameter adjustment mechanism effectively mitigates frequency oscillations, offering a robust solution for grid stability in PV scenarios.…”
Get full text
Article -
40
Research on Parameter Tuning of Electro-Hydrostatic Actuator Position Sliding Mode Controller Based on Enhanced Dynamic Sand Cat Search Optimization Algorithm
Published 2025-04-01“…This paper proposes an Enhanced Dynamic Sand Cat Search Optimization algorithm (EDSCSO) designed to address the high-order nonlinearities and strong coupling issues in the parameter tuning of the position sliding mode controller for electro-hydrostatic actuators (EHAs). …”
Get full text
Article