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Research on an efficient prediction for deformations of thread connections based on deep transfer learning
Published 2025-07-01“…Abstract Threaded connections are essential components in mechanical assemblies, subjected to complex deformations under various loading conditions (e.g., tension, torque, bending, and shear), influenced by bolt geometry and material properties. …”
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Improved Sliding Mode Active Disturbance Rejection Control for Single-inductance Dual-output Buck Converter
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Drilling Optimization by Means of Decision Matrices and VB Tool Applied to Torsional Vibration and MSE Surveillance
Published 2025-02-01“…The exploration of these deep subsurface resources can present several challenges, such as complex lithology to be drilled, high depth to be reached, and considerable rock hardness, among others. …”
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Hybrid Approach of Finite Element Method, Kigring Metamodel, and Multiobjective Genetic Algorithm for Computational Optimization of a Flexure Elbow Joint for Upper-Limb Assistive D...
Published 2019-01-01“…It confirms that the proposed hybrid optimization approach has an effectiveness to solve for complex optimization problems.…”
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Optimization of fractional PI controller parameters for enhanced induction motor speed control via indirect field-oriented control
Published 2025-01-01“…The primary advantages of this approach include the decoupling of torque and flux characteristics and its straightforward implementation. …”
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Control optimization for permanent magnet synchronous generators in multi-source power systems
Published 2024-11-01“…This paper presents the design optimization for the control of PMSGs from both strategy and controller perspectives. A novel approach was proposed that incorporates a Lagrangian function based on the principles of maximum torque and minimum loss to solve for the direct-axis and quadrature-axis currents, leading to the creation of a voltage stability control strategy that integrates vector control with efficiency optimization control. …”
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Leveraging Variable Frequency Drive Data for Nondestructive Testing and Predictive Maintenance in Industrial Systems
Published 2025-03-01“…However, traditional methods typically rely on external sensors, which can lead to increased costs and added complexity. The current study examined an alternative approach using variable-frequency drive (VFD) data for real-time fault detection and predictive maintenance. …”
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The Development and Characteristics of an In-Wheel Assembly Using a Variable Speed-Reducing Device
Published 2025-02-01“…The findings of this study demonstrate that even in in-wheel systems where the application of large and complex transmission devices is challenging, it is possible to simultaneously enhance both maximum torque and top vehicle speed to achieve high-performance vehicle-level driving dynamics. …”
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Discrete Pneumatic‐Tendon‐Coupled Actuators with Interconnected Air Circuit for Untethered Soft Robots
Published 2025-04-01“…However, current PTCA‐based USRs are limited in versatility and efficiency when executing complex tasks. This research introduces discrete pneumatic‐tendon‐coupled actuators with interconnected air circuit (DPTCAs‐IAC) to address these limitations through two major design approaches: 1) multiple discrete DPTCAs with integrated micro pump, providing additional degrees of freedom and independent motion control while regulating internal pressure without significantly adding weight; and 2) interconnecting multiple DPTCAs through air circuits to facilitate gas flow and enhance efficiency. …”
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Energy Management of Plug-In Hybrid Electric Vehicles for Autonomous Driving in a Following Environment Based on Fuzzy Adaptive PID Control
Published 2024-01-01“…Therefore, the energy management model for electric hybrid vehicles designed in this project has the advantages of high energy efficiency, strong robustness, and strong adaptability, providing a new approach to developing the energy management field.…”
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Flow Modeling in Pelton Turbines by an Accurate Eulerian and a Fast Lagrangian Evaluation Method
Published 2015-01-01“…In all examined cases the FLS method shows very good accuracy in predicting the hydraulic efficiency of the runner, although the computed flow evolution and the torque curve exhibit some systematic differences from the Eulerian results.…”
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Robust Sliding Mode Control Based on Fractional Order Reaching Law for Rehabilitation Robots
Published 2025-01-01“…This study introduces a novel Sliding Mode Control (SMC) system based on a fractional-order reaching law, designed to enhance control performance and robustness. The proposed approach effectively manages the exoskeleton’s dynamic behavior, particularly during the transient regime, by reducing initial torque energy demand during start-up, ensuring precise trajectory tracking, and prioritizing patient safety and comfort. …”
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Nonlinear Adaptive Fuzzy Hybrid Sliding Mode Control Design for Trajectory Tracking of Autonomous Mobile Robots
Published 2025-04-01“…The control design addresses the inherent complexities of such platforms, which include strong system nonlinearities, significant parametric uncertainties, torque saturation effects, and external disturbances that can adversely affect dynamic performance. …”
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EFD and CFD Characterization of a CLT Propeller
Published 2012-01-01“…The numerical/experimental analysis and comparison of results highlight the peculiarities of this kind of propellers, the possibility to increase efficiency and reduce cavitation risk, in order to exploit the design approaches already well proven for conventional propellers also in the case of these unconventional geometries.…”
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Enhanced Robust Control of Induction Motor Using Combined Optimal Model Predictive Control With Super-Twisting Algorithm
Published 2025-06-01“…By incorporating OMPC with STA into the speed and currents loops of the IFOC technique, the system gains enhanced robustness and disturbance rejection capabilities, without increasing computational cost making it viable for real-time applications in complex control scenarios. This synergetic approach ensures stable and efficient performance in the face of internal variations (like parameters variation) and external perturbations (variable references and load torque). …”
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Advances in Control Techniques for Rehabilitation Exoskeleton Robots: A Systematic Review
Published 2025-02-01“…Key control methods, including computed torque and adaptive control, excel in managing complex movements and adapting to diverse patient needs. …”
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Fuel-Saving Postcapture Detumbling by Dual-Arm Space Robot
Published 2025-01-01“…This configuration avoids multiaxis coupling and simplifies subsequent stabilization, requiring only unidirectional thruster torque. By reducing the number of required control directions and eliminating complex angular momentum interactions, the subsequent attitude stabilization becomes more fuel-efficient. …”
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Reduced-Order Model for Bearingless PMSMs in Hardware-in-the-Loop
Published 2025-05-01“…Moreover, uncertainties regarding the motor’s ability to generate suspension and torque often persist even after prototyping, primarily due to the limitations of lumped parameter models in capturing the system’s complex dynamics. …”
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