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881
Power Quality Improvement by Unified Power Quality Conditioner Based on CSC Topology Using Synchronous Reference Frame Theory
Published 2014-01-01“…The reference current and voltage generation for shunt and series converter is based on phase locked loop and synchronous reference frame theory. The proposed UPQC-CSC design has superior performance for mitigating the power quality problems.…”
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882
Application of Gap Metric to LADRC Design in Multilinear Model of SDR
Published 2022-01-01“…In this paper, under the LADRC frame, the gas generator system’s closed-loop stability of the SDR was analyzed and the range of compensation factors had been calculated, and then, the “gap factor” was introduced and the “cross-iteration” method was used to quickly map out the “compensation factor” in the multilinear model controller based on the variation of the zero-point position of the system and the gap metric between adjacent set points. …”
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883
Adaptive Fuzzy Path Tracking Control for Mobile Robots with Unknown Control Direction
Published 2021-01-01“…It is proved that all the signals in the closed-loop system are bounded, and the tracking error converges to a small neighborhood of the origin in a limited time. …”
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884
Comparison of retinal vascular abnormalities in the fellow eyes of children with Coats’ disease and normal subjects using ultra-widefield fundus fluorescein angiography
Published 2025-02-01“…Regarding the terminal vascular patterns, the proportion of loop pattern in fellow eye group was significantly higher than that in control eye group (p<0.001). …”
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885
Correlating 0νββ decays and flavor observables in leptoquark models
Published 2025-01-01“…Abstract In this paper, we investigate minimal scalar leptoquark models that dynamically generate neutrino Majorana masses at the one-loop level and examine their implications for low-energy processes. …”
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886
Robust H∞ Feedback Compensator Design for Linear Parabolic DPSs with Pointwise/Piecewise Control and Pointwise/Piecewise Measurement
Published 2021-01-01“…By utilizing Lyapunov technique, mathematical inequalities, and integration theory, a sufficient condition based on LMI for the exponential stability of the corresponding closed-loop coupled system under an H∞ performance constraint is presented. …”
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887
Prescribed Performance Tracking Control for the Hypersonic Vehicle with Actuator Faults
Published 2021-01-01“…Specially, in consideration of the unknown actuator failures, the adaptive signals are designed to enhance the reliability of the closed-loop system. Finally, according to rigorous theoretical analysis and simulation experiment, the stability of the proposed controller is verified, and its superiority is exhibited intuitively.…”
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888
Evolution of intrinsic disorder in the structural domains of viral and cellular proteomes
Published 2025-01-01“…A biphasic spectrum of disorder versus proteome makeup captured the dichotomy in the evolutionary trajectories of viral and cellular ancestors, one following reductive evolution driven by viral spread of molecular wealth and the other following expansive evolutionary trends to advance functionality through massive domain-forming co-option of disordered loop regions.…”
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889
Finite-Time Path-Following Control of Underactuated AUVs with Actuator Limits Using Disturbance Observer-Based Backstepping Control
Published 2025-01-01“…The proposed cascaded closed-loop control scheme can be described in two separate steps: (1) A kinematic law based on a finite-time backstepping control (FTBSC) is introduced to transform the 3D path-following position errors into the command velocities; (2) The actual control inputs are designed in the dynamic controller using an adaptive fixed-time disturbance observer (AFTDO)-based FTBSC to stabilize the velocity tracking errors. …”
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890
A Sliding Mode Approach to Vector Field Path Following for a Fixed-Wing UAV
Published 2025-01-01“…The algorithm exploits the banking dynamics and generates reference signals for the inner-loop aileron control. A MATLAB&Simulink<sup>®</sup> simulation environment is used to verify the performance and robustness of the compared guidance algorithms. …”
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891
Dynamic Model of MR Dampers Based on a Hysteretic Magnetic Circuit
Published 2018-01-01“…The damping force in the high-frequency case obviously lags behind the coil current, which exhibits a hysteresis loop in the current-force plane. The lag of damping force even exists in a low-frequency varying magnetic field and becomes more severe in the presence of eddy currents.…”
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892
Homeomorphism Mapping Based Neural Networks for Finite Time Constraint Control of a Class of Nonaffine Pure-Feedback Nonlinear Systems
Published 2019-01-01“…Because of using the finite time adaptive law to training weights of neural networks, the closed-loop error system signals are in assurance of bounded in finite time. …”
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893
Presenting a Management Model for a Multiobjective Sustainable Supply Chain in the Cellulosic Industry and Its Implementation by the NSGA-II Meta-Heuristic Algorithm
Published 2022-01-01“…This research is one of the few studies that has considered the sustainable closed-loop supply chain of cellulosic-based products (paper and corrugated board) in the model and has considered it at all levels of the chain. …”
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894
Biology-Inspired Robust Dive Plane Control of Non-Linear AUV Using Pectoral-Like Fins
Published 2010-01-01“…It is shown that in the closed-loop system, all the harmonic components of order up to k of the tracking error are suppressed. …”
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895
A Novel Series Connected Batteries State of High Voltage Safety Monitor System for Electric Vehicle Application
Published 2013-01-01“…By the help of hardware-in-loop system, the equivalent models integrated in the high voltage safety controller are validated, and the online electric parameters monitor strategy is analyzed and discussed. …”
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896
Modified Droop Method Based on Master Current Control for Parallel-Connected DC-DC Boost Converters
Published 2018-01-01“…Unlike the conventional droop method, the current feedback signal (master current) for one of the parallel-connected converters is used in the inner loop controller for all converters to avoid any differences in the time delay of the control loops for the parallel-connected converters. …”
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897
Adaptive Fixed-Time Trajectory Tracking Control for Underactuated Hovercraft with Prescribed Performance in the Presence of Model Uncertainties
Published 2021-01-01“…Finally, all tracking errors of the closed-loop system are uniformly ultimately bounded and fixed-time convergent. …”
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898
An Improved Direct Torque Control with an Advanced Broken-Bar Fault Diagnosis for Induction Motor Drives
Published 2023-01-01“…A neural switching table is then proposed to achieve the interface inverter control. Besides, a closed-loop broken-bar fault detection strategy based on the Hilbert technique (HT) with the discrete wavelet transform (DWT) and ANNs is proposed. …”
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899
Circular RNA-EPHB4 As A Potential Biotarget In Colorectal Cancer: A Preliminary Analysis
Published 2022-01-01“…Circular RNAs (circRNAs) are characterized by the absence of covalently closed-loop structures at the 3′ and 5′ ends. Recent studies have shown that circRNAs are abnormally expressed in tumor tissues. …”
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900
Investigating Equations Used to Design a Very Small Normal-Mode Helical Antenna in Free Space
Published 2018-01-01“…Electrical performances of NMHA can be expressed by a combination of a short dipole and small loops. Applicability of equations for a short dipole and a small loop to very small normal-mode helical antennas such as antennas around 1/100 wavelengths was not clear. …”
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