full-bridge coupling using method

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  • Modulation Method and Control Strategy for Full-Bridge ...

    2019-11-6 · However, the power coupling between two full bridges using the traditional modulation method will affect the zero-voltage switching (ZVS) condition of lagging legs. Then, the duty cycle loss caused by the transformer leakage inductance will affect the input and output performance.

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  • An interactive method for the analysis of the simulation ...

    2016-12-20 · Vehicle–bridge coupling vibration is a complicated interaction process, which includes multibody dynamics of vehicles, structural dynamics of bridges, and wheel–rail contact relationships. A single software is not adequate for the coupling analysis. Therefore, to efficiently conduct the vehicle–bridge coupling vibration analysis, an interactive ...

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  • Train-Track-Bridge Interaction by Coupling Direct ...

    The tracks were modeled by applying DSM, which can effectively display the nonlinear contact spring and the dynamic behavior of the tracks. The bridge was modeled by applying MSM, a method that can efficiently show dynamic behavior with a small number of modes. The analysis model was built based on a previously proposed train-track analysis model.

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  • An interactive method for the analysis of the simulation ...

    Based on the rigid-flexible coupling method, the vehicle-bridge system modeling method makes full use of the high modeling efficiency of finite element software and the powerful wheel-rail analysis...

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  • An enhanced coupling nonlinear control method for bridge ...

    2014-9-6 · The present study suggests an enhanced coupling non-linear control approach for both cart positioning and load swing elimination control of underactuated bridge cranes. The significant feature of the proposed method is its superior control performance as well as its strong robustness over different/uncertain cable lengths that are the major factor influencing load swing.

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  • Coupling vibration of vehicle-bridge system

    The numerical solution of vehicle-bridge coupling vibration response was obtained by using the Newmark new explicit integral method.

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  • Research on a Self-Coupling PID Control Strategy for a ZVS ...

    2021-3-9 · For example, a three-phase phase-shift (TPS) control strategy is proposed for the full-bridge three-level (FBTL) DC/DC converter , a dual phase-shift control method widely used in the DC-DC converter [11, 12], and active disturbance rejection control (ADRC) technology which has been applied to the field of switching power supply [13, 14]. The ADRC control strategy is similar …

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  • A Modified Bridge System method to characterize and ...

    2020-7-1 · Figure 14 demonstrates the displacement history of the midpoint of the bridge from the solution of the “complete coupled system,' the solution of the “coupled system (SDOF bridge),' which considers only the first mode of the bridge, the MBS method, and the moving load approximation. The MBS method is in very good agreement with the “coupled system (SDOF bridge)' solution, while the moving load approximation overestimates the bridge …

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  • Transformerdesignconsideration forFull Bridge PhaseShift

    2020-3-17 · The transformer is the key element in the Full-Bridge performance Leakage inductance is one of the parameters with more impact Actual techniques for estimating Leakage inductance are: • Not accurate • Slow • Not scalable to different cases Artificial Intelligence methods allows to estimate accurate leakage inductance in seconds.

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  • Aeroelastic analysis of bridge deck flutter with modified ...

    2016-8-1 · The coupling of fluid and structural systems using the partitioned approach can be achieved either with an implicit (strong) coupling method or with an explicit (loose) coupling method. Fig. 1 depicts these two coupling methods of the partitioned approach. The implicit coupling method iteratively determines a coupled solution at each time step.

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  • Transformerdesignconsideration forFull Bridge PhaseShift

    2020-3-17 · Phase Shift Full Bridge converter using their chips. ... coupling between the transformer windings. The magnetic flux generated in ... CLASSICAL MODEL: This is a simple method for calculating the leakage inductance since only a small number of dimensions are necessary related to the winding geometry.

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  • An enhanced coupling nonlinear control method for bridge ...

    2014-9-6 · The present study suggests an enhanced coupling non-linear control approach for both cart positioning and load swing elimination control of underactuated bridge cranes. The significant feature of the proposed method is its superior control performance as well as its strong robustness over different/uncertain cable lengths that are the major factor influencing load swing.

    Get Price
  • Research on a Self-Coupling PID Control Strategy for a ZVS ...

    2021-3-9 · As an important part of the high-frequency switching power supply, the control accuracy of the phase-shift full-bridge converter directly affects the efficiency of the switching power supply. To improve the stability and antidisturbance ability of phase-shift control systems, this article presents a dual closed-loop control system based on Self-Coupling PID (SC-PID) …

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  • A Modified Bridge System method to characterize and ...

    2020-7-1 · Consequently, the ADM overestimates the damping effect of VBI for weak coupling and short bridge span (Fig. 9a), as opposed to the case of strong coupling and long bridge span (Fig. 9b, c), where the ADM underestimates the additional damping effect that the vehicle introduces to the bridge. The proposed MBS method considers the VBI effects on ...

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  • An interactive method for the analysis of the simulation ...

    2016-12-20 · The interactive method that was presented was confirmed to be feasible by the continuous bridge example, and the simulation for the long-span bridge was discussed further. It is shown that the interactive method has high computational efficiency and good convergence rate for various bridges, and the vehicle–bridge coupling vibration analysis ...

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  • A multiscale modelling method incorporating spatial ...

    The developed method is the first attempt to incorporate spatial coupling and temporal coupling into transient human airway simulations, aiming to improve the flexibility and the efficiency of these simulations. In this method, domain decomposition was used to separate the complex airway model into different scaled domains.

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  • A Comparison of One-Way and Two-Way Coupling

    2011-11-3 · The interaction between fluid and structure occurs in a wide range of engineering problems. The solution for such problems is based on the relations of continuum mechanics and is mostly solved with numerical methods. It is a computational challenge to solve such problems because of the complex geometries, intricate physics of fluids, and complicated fluid-structure …

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  • Numerical simulation of fatigue behavior for cable-stayed ...

    Method for detecting vertical offset of coupling coil using signal coil based on magnetic coupling resonance wireless power transfer system Ye Zhaohong1, Gao Yuan1,* 1College of Automation, Chongqing University, Chongqing 400044, China Abstract. To improve the reliability in wireless power transfer system, communication is widely used. An

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  • Method for detecting vertical offset of coupling coil ...

    2013-4-2 · An interactive method for the analysis of the simulation of vehicle–bridge coupling vibration using ANSYS and SIMPACK Yongle Li, Xinyu Xu, Yu Zhou, CS Cai and Jingxi Qin 20 December 2016 | Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, Vol. 232, No. 3

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  • Electronic Coupling Calculations for Bridge-Mediated ...

    2016-9-9 · Electronic Coupling Calculations for Bridge-Mediated Charge Transfer Using Constrained Density Functional Theory (CDFT) and Effective Hamiltonian Approaches at the Density Functional Theory (DFT) and Fragment-Orbital Density Functional Tight Binding (FODFTB) Level. United States: N. p., 2016.

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  • Transformerdesignconsideration forFull Bridge PhaseShift

    2020-3-17 · Phase Shift Full Bridge converter using their chips. ... coupling between the transformer windings. The magnetic flux generated in ... CLASSICAL MODEL: This is a simple method for calculating the leakage inductance since only a small number of dimensions are necessary related to the winding geometry.

    Get Price
  • An interactive method for the analysis of the simulation ...

    2016-12-20 · The interactive method that was presented was confirmed to be feasible by the continuous bridge example, and the simulation for the long-span bridge was discussed further. It is shown that the interactive method has high computational efficiency and good convergence rate for various bridges, and the vehicle–bridge coupling vibration analysis ...

    Get Price
  • Stochastic Responses of Vehicle-Bridge Coupling System ...

    In this paper,we want to obtain the research of virtual vehicle-birdge coupling system, a vehicle-bridge coupling model was established based on the multi-point Pseudo Excitation Method model, and then the simulation result was gained by ANSYS. First,a detailed multi-body dynamic model of the vehicle was established by using ADAMS/VIEW software package; secondly, a stochastic …

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  • Three dimensional numerical simulations of long-span ...

    Then an improved CFD method based on block-iterative coupling is also proposed. This method can be readily used for two dimensional (2D) and three dimensional (3D) structure modelling. Detached-Eddy simulation for 3D viscous turbulent incompressible flow is applied to the 3D numerical analysis of bridge deck sections.

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  • Bilirubin analogues as model compounds for exciton coupling

    The excitonic coupling in the conjugated molecules can be controlled by modifying the bridge side-group. New computed energy levels for bR using the DFT/MRCI method are also presented, which improve on published values and re-assign the character of excited singlet states.

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  • Reducing slab track vibration into bridge using elastic ...

    2011-5-9 · Second, the vibration reducing effect is analyzed. The vehicle–track–bridge coupling system dynamics model is used. At last, slab mat layer's influence on the system dynamic responses is studied, using the coupling system dynamics model established in this paper. 3.1. System parameters

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  • Vertical dynamic responses of a simply supported bridge ...

    2005-8-8 · The full text of this article hosted at iucr.org is unavailable due to technical difficulties. ... Vertical dynamic responses of a simply supported bridge subjected to a moving train with two‐wheelset vehicles using modal analysis method. ... beam top surface, and train velocity on the dynamic responses of the entire train and bridge coupling ...

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  • Method for detecting vertical offset of coupling coil ...

    Method for detecting vertical offset of coupling coil using signal coil based on magnetic coupling resonance wireless power transfer system Ye Zhaohong1, Gao Yuan1,* 1College of Automation, Chongqing University, Chongqing 400044, China Abstract. To improve the reliability in wireless power transfer system, communication is widely used. An

    Get Price
  • Multistate Effects in Calculations of the Electronic ...

    2019-5-26 · A simple diagnostic is developed for the purpose of determining when a third state must be considered to calculate the electronic coupling element for a given pair of diabatic states within the context of the generalized Mulliken−Hush approach (Chem. Phys. Lett. 1996, 275, 15−19). The diagnostic is formulated on the basis of Löwdin partitioning theory. In addition, an …

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  • A Solution Method for Vehicle-bridge System Coupling ...

    This paper studies solution method of vibration equation for vehicle bridge system, especially studies iteration method, and analyzes elastic contact and tight contact of vehicle bridge system The results of using elastic contact and tight contact models are comparatively close to same while calculating dynamic response of bridges

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  • Damage Detection in Bridge Structures under Moving

    2018-11-15 · Delay vector variance (DVV) method is applied to analyze the measured dynamic responses and to identify damage to bridges under moving vehicle loads. First, the DVV algorithm and its quantification method, the vehicle-bridge coupling system, and source of nonlinearity in dynamic responses are introduced.

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  • Electronic Coupling for Donor-Bridge-Acceptor Systems

    2021-3-12 · Understanding the modulation of the electronic coupling in donor–acceptor systems connected through an aliphatic bridge is crucial from a fundamental point of view as well as for the development of organic electronics. In this work, we present a first-principles approach for the calculation of the electronic coupling (or transfer integrals) in such systems via a block …

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  • Parametric Analysis of Three-dimensional Coupling ...

    2008-1-11 · Coupling vehicle bridge vibration system were treated as two subsystems, one for the bridge and the other for the vehicle, the geometric and mechanical coupling relations between vehicle and bridge were introduced, the Newmark method described in incremental dynamic equilibrium iteration equation was used to work out nonlinear three-dimensional coupling …

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  • An improved large signal model of full-bridge LLC converter

    2018-10-19 · For the full-bridge LLC converter, it is necessary to establish a large signal model with low-complexity and high-precision when the current of filter inductor works under the continuous conduction mode (CCM) situation. In terms of low complexity, peak values of resonant state variables and average values of slow state variables are taken as the measured indexes between …

    Get Price
  • A multiscale modelling method incorporating spatial ...

    The developed method is the first attempt to incorporate spatial coupling and temporal coupling into transient human airway simulations, aiming to improve the flexibility and the efficiency of these simulations. In this method, domain decomposition was used to separate the complex airway model into different scaled domains.

    Get Price
  • Design of UAV wireless power transmission system based on ...

    2020-3-23 · method, which transfers energy from power supply to load through magnetic resonance coupling coil without direct ground electrical contact. The loose coupling transformer is composed of two coils to build the mag-netic resonance coupling coil of WPT. Based on the equivalent circuit theory, this paper models and analyzes

    Get Price
  • Electronic coupling calculation and pathway analysis of ...

    By making use of an ab initio fragment-based electronic structure method, fragment molecular orbital-linear combination of MOs of the fragments (FMO-LCMO), developed by Tsuneyuki et al. [Chem. Phys. Lett. 476, 104 (2009)], 10.1016/j.cplett.2009.05.069, we propose a novel approach to describe long-distance electron transfer (ET) in large system. The FMO-LCMO method produces …

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  • Fluid–structure coupling in time domain for dynamic stall ...

    2021-4-11 · This paper presents the purely fast Lagrangian vortex method (FLVM) for the simulation of the external incompressible flows past heaving and pitching bodies with high-frequency oscillation. The Nascent vortex element is introduced to the flow field to retain the Lagrangian characteristics of the solver. The viscous effect is modeled using a core spreading method …

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  • Energies | Free Full-Text | Online Monitoring of Partial ...

    By using the latter method, this work presents the development of an online monitoring system with a high sampling rate and vertical resolution that can detect PD activities in power transformers from the capacitive coupling in the test taps of high voltage (HV) condenser bushings.

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  • Electronic Coupling Calculations for Bridge-Mediated ...

    2019-4-10 · electronic coupling in bridge mediated ET reactions. Considering two (quasi)-diabatic states system, the electronic coupling represents the off-diagonal element of the electronic Hamiltonian matrix. Even in the presence of the bridge, the system could be diabatized in initial and final state in a two-state approximation.

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  • A Solution Method for Vehicle-bridge System Coupling ...

    This paper studies solution method of vibration equation for vehicle bridge system, especially studies iteration method, and analyzes elastic contact and tight contact of vehicle bridge system The results of using elastic contact and tight contact models are comparatively close to same while calculating dynamic response of bridges

    Get Price
  • Electronic Coupling for Donor-Bridge-Acceptor Systems

    2017-8-10 · Electronic Coupling for Donor-Bridge-Acceptor Systems with a Bridge-Overlap Approach. Alessandro Biancardi Department of Chemistry, University of Kansas , 1251 Wescoe Hall Drive, Lawrence, Kansas 66045, United States.

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  • Analysis of an optimization-based atomistic-to-continuum ...

    2015-11-16 · @article{osti_1313073, title = {Analysis of an optimization-based atomistic-to-continuum coupling method for point defects}, author = {Olson, Derek and Shapeev, Alexander V. and Bochev, Pavel B. and Luskin, Mitchell}, abstractNote = {Here, we formulate and analyze an optimization-based Atomistic-to-Continuum (AtC) coupling method for problems ...

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  • A multiscale modelling method incorporating spatial ...

    The developed method is the first attempt to incorporate spatial coupling and temporal coupling into transient human airway simulations, aiming to improve the flexibility and the efficiency of these simulations. In this method, domain decomposition was used to separate the complex airway model into different scaled domains.

    Get Price
  • An improved large signal model of full-bridge LLC converter

    2018-10-19 · For the full-bridge LLC converter, it is necessary to establish a large signal model with low-complexity and high-precision when the current of filter inductor works under the continuous conduction mode (CCM) situation. In terms of low complexity, peak values of resonant state variables and average values of slow state variables are taken as the measured indexes between …

    Get Price
  • Improvement of equivalent magnetic coupling coefficient of ...

    2019-9-24 · As a result, it was shown that the transfer coils with a small k c using the proposed method offered improvement of the overall coupling coefficient by 17% against conventional transfer coils with a big k c. In addition, in comparative experiments with a prototype nonresonant IPT system using DAB converter, the proposed method demonstrated ...

    Get Price
  • Electronic coupling calculation and pathway analysis of ...

    By making use of an ab initio fragment-based electronic structure method, fragment molecular orbital-linear combination of MOs of the fragments (FMO-LCMO), developed by Tsuneyuki et al. [Chem. Phys. Lett. 476, 104 (2009)], 10.1016/j.cplett.2009.05.069, we propose a novel approach to describe long-distance electron transfer (ET) in large system. The FMO-LCMO method produces …

    Get Price
  • Design of UAV wireless power transmission system based on ...

    2020-3-23 · method, which transfers energy from power supply to load through magnetic resonance coupling coil without direct ground electrical contact. The loose coupling transformer is composed of two coils to build the mag-netic resonance coupling coil of WPT. Based on the equivalent circuit theory, this paper models and analyzes

    Get Price
  • Multiphysics simulation of left ventricular filling ...

    An arbitrary Lagrangian Eulerian finite element method with automatic mesh updating has been formulated for large domain changes, and a strong coupling strategy has been taken. Using electrical analog of pulmonary circulation and left atrium as a preload and the windkessel model as an afterload, dynamics of ventricular filling as well as ...

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  • DFT-based Green's function pathways model for prediction ...

    tion of electronic coupling elements.1,5,6,9,10,22–30 Rather than repeat theoretical developments well discussed in the litera-ture, we highlight components relevant to establishing reliable T DA predictions with Green’s function methodologies. Effective Hamiltonian methodologies Using a Lo¨wdin partitioning scheme,10,24,25 the full D–B–A

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  • AERODYNAMIC COUPLING EFFECTS ON FLUTTER AND

    2004-8-29 · tion of the bridge section and the approach flow. For the bluff bridge deck sections, the flutter derivatives must be determined experimentally. This is done through a system identification method in the frequency or time domain using free vibration or forced vibration testing in a wind tun-nel. The bridge deck section model is generally ...

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  • Coupling Structural Mechanics Interfaces | COMSOL Blog

    2014-11-4 · Perhaps the easiest coupling method is to rename the displacement degrees of freedom so that these are the same for the interfaces that are to be coupled. This is sufficient, for example, when using membranes as cladding on a solid boundary or truss elements as reinforcement bars in a solid.

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  • Bilirubin analogues as model compounds for exciton coupling

    The excitonic coupling in the conjugated molecules can be controlled by modifying the bridge side-group. New computed energy levels for bR using the DFT/MRCI method are also presented, which improve on published values and re-assign the character of excited singlet states.

    Get Price
  • SPH-DEM COUPLING SIMULATION WITH A LIQUID

    We succeeded in reproducing the qualitative collapse phenomenon by the analysis of the depression phenomenon using this method.

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  • Translated title of the contribution: SPH-DEM COUPLING SIMULATION WITH A LIQUID BRIDGE FORCE FOR THE REPRESENTATION OF GROUND COLLAPSE PHENOMENON: Original language: Japanese: Pages (from-to) I_203-I_213:

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  • A Comparison of One-Way and Two-Way Coupling

    2011-11-3 · The interaction between fluid and structure occurs in a wide range of engineering problems. The solution for such problems is based on the relations of continuum mechanics and is mostly solved with numerical methods. It is a computational challenge to solve such problems because of the complex geometries, intricate physics of fluids, and complicated fluid-structure …

    Get Price
  • Improvement of equivalent magnetic coupling coefficient of ...

    2019-9-24 · As a result, it was shown that the transfer coils with a small k c using the proposed method offered improvement of the overall coupling coefficient by 17% against conventional transfer coils with a big k c. In addition, in comparative experiments with a prototype nonresonant IPT system using DAB converter, the proposed method demonstrated ...

    Get Price
  • Fan-out device for multicore fiber coupling application ...

    Abstract. In this paper, a fan-out device for multicore fiber (MCF) based on capillary bridge self-assembly fabrication method is proposed. The relation among the coupling errors (including transverse misalignment, longitudinal misalignment, and angle misalignment), refractive-index match and the coupling efficiency is analyzed in theory and simulation, and the transverse …

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  • Evaluation of Electronic Coupling in a Donor-Bridge ...

    2002-1-16 · Electronic coupling magnitudes in donor−bridge−acceptor (DBA) molecules are influenced by the detailed structure of the bridge and its connections to the D and A groups. The influence of different symmetry, initial and final states on the electronic coupling magnitude, and on transfer dynamics has been investigated in single conformation (“rigid”) DBA molecules with …

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  • Design of UAV wireless power transmission system based

    2020-3-23 · With the development of unmanned aerial vehicle (UAV), it has been used in many fields, such as aerial photography, military, and transportation. However, it is a challenge for charging due to its short battery life. Wireless charging has been considered as a good UAV solution. In this paper, we proposed a wireless power transmission system (WPT) through inductive coupling …

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