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Artículos de revistas sobre el tema "Power emulator"

Autor: Grafiati

Publicado: 1 de junio de 2024

Última modificación: 31 de julio de 2025

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1

Kirei, Botond Sandor, Calin-Adrian Farcas, Cosmin Chira, Ionut-Alin Ilie, and Marius Neag. "Hardware Emulation of Step-Down Converter Power Stages for Digital Control Design." Electronics 12, no. 6 (2023): 1328. http://dx.doi.org/10.3390/electronics12061328.

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This paper proposes a methodology of delivering the emulation hardware of several step-down converter power stages. The generalized emulator design methodology follows these steps: first, the power stage is described using an ordinary differential equation system; second, the ordinary differential equation system is solved using Euler’s method, and thus an accurate time-domain model is obtained; next, this time-domain model can be described using either general-purpose programming language (MATLAB, C, etc.) or hardware description language (VHDL, Verilog, etc.). As a result, the emulator has b

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2

Bajonero-Sandoval, David Felipe, Jeyson Sanabria-Vargas, and César Leonardo Trujillo-Rodriguez. "Design and Implementation of a Low Power Wind Turbine Emulator Through the Induction Motor-Permanent Magnet Generator Arrangement." Revista Facultad de Ingeniería 29, no. 54 (2020): e10530. http://dx.doi.org/10.19053/01211129.v29.n54.2020.10530.

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This paper presents the design and construction stage of a low power wind turbine emulator, which is used at the laboratory level, to reproduce different wind profiles. There are several types of wind emulators, among which the wind tunnel emulators stand out. These emulators use a motor with a propeller on their axis to obtain the desired wind speed. However, in the present work -and done from a computer- speed control is developed for a three-phase induction motor, thus driving a permanent magnet generator. The motor-generator group is controlled through a program developed in the Labview so

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3

Alaoui, Mustapha, Hattab Maker, Azeddine Mouhsen, and Hicham Hihi. "Photovoltaic emulator of different solar array configurations under partial shading conditions using damping injection controller." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 2 (2020): 1019. http://dx.doi.org/10.11591/ijpeds.v11.i2.pp1019-1030.

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In the last decades, researchers and scientists have been trending towards photovoltaic (PV) solar energy research as one of the noteworthy renewable energies. As a matter of fact, the need for a laboratory system devoted to performing measurements and experimentation on PV systems is being increased. The PV array emulator is designed to accomplish this task by reproducing accurately the electrical behavior of real PV sources. The present paper proposes thus a new control and design of PV array emulators. It is based essentially on a hybrid Damping Injection controller. The proposed control st

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4

Moussa, Intissar, Adel Khedher, and Adel Bouallegue. "Design of a Low-Cost PV Emulator Applied for PVECS." Electronics 8, no. 2 (2019): 232. http://dx.doi.org/10.3390/electronics8020232.

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Applied tests on a real photovoltaic panel for a consolidated analysis require complex experiment setup and permanent availability of climatic conditions. This method is ineffective and can damage the PV system. As a result, PV emulators are highly requested in solar energy conversion and generation research, which rests essentially on a maximum power point tracking control algorithm (MPPT) and an adapting power stage as the DC-DC converter and PV inverter. The PV emulator guarantees a controllable light source environment to act as a real PV system in the laboratory. This paper deals with the

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5

Ozawa, Felipe, Marco Rocha, Guilherme Lucas, Wallace Souza, and Andre Andreoli. "Application of Torque Transducer and Rotary Encoder in a Hardware-in-the-Loop Wind Turbine Emulation." Proceedings 42, no. 1 (2019): 55. http://dx.doi.org/10.3390/ecsa-6-06633.

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Wind energy is one of the most promising forms of renewable energy. For the constant evolution of power generation technology, the use of sensors is fundamental to the development of wind turbine emulators. A wind turbine emulator allows tests and evaluations of a wind power system, regardless of weather conditions. Therefore, to further improve this technology, this work focuses on the application of a torque transducer and a rotary encoder for the implementation of a closed-loop wind turbine emulator. The sensors provide the torque and speed feedback signals to the computational model so tha

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6

Peskar, Jarrett, Kerry Sado, Austin Downey, Kristen Booth, and Jamil Khan. "Battery Emulator for Coupled Electro-Thermo Powertrain Testing." ECS Meeting Abstracts MA2023-02, no. 7 (2023): 969. http://dx.doi.org/10.1149/ma2023-027969mtgabs.

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Approved, DCN# 543-443-23 Battery emulation systems are useful for testing and evaluating powertrain systems; but typically,only consider the electrical characteristics of a battery. Powertrains with shared cooling components/systems between batteries and power electronics would benefit from hardware-in-the-loop testing facilities that consider both the electrical and thermal aspects of energy storage. In this work a battery emulator that physically emulates both the electrical and thermal characteristics with a coupled electro-thermal powertrain testbed is demonstrated. The coupled electro-th

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7

Donald-McCann, Jamie, Florian Beutler, Kazuya Koyama, and Minas Karamanis. "matryoshka: halo model emulator for the galaxy power spectrum." Monthly Notices of the Royal Astronomical Society 511, no. 3 (2022): 3768–84. http://dx.doi.org/10.1093/mnras/stac239.

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ABSTRACT We present matryoshka, a suite of neural-network-based emulators and accompanying python package that have been developed with the goal of producing fast and accurate predictions of the non-linear galaxy power spectrum. The suite of emulators consists of four linear component emulators, from which fast linear predictions of the power spectrum can be made, allowing all non-linearities to be included in predictions from a non-linear boost component emulator. The linear component emulators include an emulator for the matter transfer function that produces predictions in ∼0.0004 s, with a

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8

Fatah, Amir, Tarek Boutabba, Idriss Benlaloui, et al. "Design, and dynamic evaluation of a novel photovoltaic pumping system emulation with DS1104 hardware setup: Towards innovative in green energy systems." PLOS ONE 19, no. 10 (2024): e0308212. http://dx.doi.org/10.1371/journal.pone.0308212.

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Diesel engines (DEs) commonly power pumps used in agricultural and grassland irrigation. However, relying on unpredictable and costly fuel sources for DEs pose’s challenges related to availability, reliability, maintenance, and lifespan. Addressing these environmental concerns, this study introduces an emulation approach for photovoltaic (PV) water pumping (WP) systems. Emulation offers a promising alternative due to financial constraints, spatial limitations, and climate dependency in full-scale systems. The proposed setup includes three key elements: a PV system emulator employing back conve

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9

Agyekum, Ephraim Bonah, Seepana PraveenKumar, Aleksei Eliseev, and Vladimir Ivanovich Velkin. "Design and Construction of a Novel Simple and Low-Cost Test Bench Point-Absorber Wave Energy Converter Emulator System." Inventions 6, no. 1 (2021): 20. http://dx.doi.org/10.3390/inventions6010020.

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This paper proposed a test bench device to emulate or simulate the electrical impulses of a wave energy converter (WEC). The objective of the study is to reconstruct under laboratory conditions the dynamics of a WEC in the form of an emulator to assess the performance, which, in this case, is the output power. The designed emulator device is programmable, which makes it possible to create under laboratory conditions the operating mode of the wave generator, identical to how the wave generator would work under real sea conditions. Any control algorithm can be executed in the designed emulator.

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10

Prajapati, Ashish, Tripurari Das Gupta, and Kalpana Chaudhary. "AC to DC bridgeless SEPIC converter-based fuel cell emulator." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 3 (2024): 1651. http://dx.doi.org/10.11591/ijpeds.v15.i3.pp1651-1661.

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Fuel cell (FC) technology is still in a growing phase and intensive research is required for its wider applications. However, the high cost of the FC stack is a major hurdle for researchers. This paper presents a new method of FC emulation done by using a Bridgeless SEPIC converter (BSC). The key features of the designed emulator are single stage AC-DC conversion, improved efficiency and nearly unity power factor at the input side. AC-DC BSC is controlled by using the coded model to emulate the behavior of FC. The emulated FC exhibits all three characteristics activation losses, ohmic losses,

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11

Prajapati, Ashish, Tripurari Das Gupta, and Kalpana Chaudhary. "AC to DC bridgeless SEPIC converter-based fuel cell emulator." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 3 (2024): 1651–61. https://doi.org/10.11591/ijpeds.v15.i3.pp1651-1661.

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Fuel cell (FC) technology is still in a growing phase and intensive research is required for its wider applications. However, the high cost of the FC stack is a major hurdle for researchers. This paper presents a new method of FC emulation done by using a Bridgeless SEPIC converter (BSC). The key features of the designed emulator are single stage AC-DC conversion, improved efficiency and nearly unity power factor at the input side. AC-DC BSC is controlled by using the coded model to emulate the behavior of FC. The emulated FC exhibits all three characteristics activation losses, ohmic losses,

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12

Zauner, Michael, Philipp Mandl, Oliver König, Christoph Hametner, and Stefan Jakubek. "Stability analysis of a flatness-based controller driving a battery emulator with constant power load." at - Automatisierungstechnik 69, no. 2 (2021): 142–54. http://dx.doi.org/10.1515/auto-2020-0107.

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Abstract This contribution deals with the control of a battery emulator used in automotive testbeds for electric drivetrains. The battery emulator, which is realized as a DC-DC converter, is connected to a unit-under-test (UUT), e. g., an electric motor inverter. To accurately emulate the dynamic impedance of a battery, a highly dynamic output is required. Additionally, battery emulators should be applicable for a large variety of UUTs, hence robust performance in a large operating range is also required. This is especially challenging when the UUT behaves like a constant power load, as this c

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13

Ma, Chao-Tsung, Zhen-Yu Tsai, Hung-Hsien Ku, and Chin-Lung Hsieh. "Design and Implementation of a Flexible Photovoltaic Emulator Using a GaN-Based Synchronous Buck Converter." Micromachines 12, no. 12 (2021): 1587. http://dx.doi.org/10.3390/mi12121587.

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In order to efficiently facilitate various research works related to power converter design and testing for solar photovoltaic (PV) generation systems, it is a great merit to use advanced power-converter-based and digitally controlled PV emulators in place of actual PV modules to reduce the space, cost, and time to obtain the required scenarios of solar irradiances for various functional tests. This paper presents a flexible PV emulator based on gallium nitride (GaN), a wide-bandgap (WBG) semiconductor, and a based synchronous buck converter and controlled with a digital signal processor (DSP)

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14

Arico', Giovanni, Raul Angulo, and Matteo Zennaro. "Accelerating Large-Scale-Structure data analyses by emulating Boltzmann solvers and Lagrangian Perturbation Theory." Open Research Europe 1 (June 15, 2022): 152. http://dx.doi.org/10.12688/openreseurope.14310.2.

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The linear matter power spectrum is an essential ingredient in all theoretical models for interpreting large-scale-structure observables. Although Boltzmann codes such as CLASS or CAMB are very efficient at computing the linear spectrum, the analysis of data usually requires 104-106 evaluations, which means this task can be the most computationally expensive aspect of data analysis. Here, we address this problem by building a neural network emulator that provides the linear theory (total and cold) matter power spectrum in about one millisecond with ≈0.2%(0.5%) accuracy over redshifts z ≤ 3 (z

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15

Arico', Giovanni, Raul Angulo, and Matteo Zennaro. "Accelerating Large-Scale-Structure data analyses by emulating Boltzmann solvers and Lagrangian Perturbation Theory." Open Research Europe 1 (December 16, 2021): 152. http://dx.doi.org/10.12688/openreseurope.14310.1.

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The linear matter power spectrum is an essential ingredient in all theoretical models for interpreting large-scale-structure observables. Although Boltzmann codes such as CLASS or CAMB are very efficient at computing the linear spectrum, the analysis of data usually requires 104-106 evaluations, which means this task can be the most computationally expensive aspect of data analysis. Here, we address this problem by building a neural network emulator that provides the linear theory (total and cold) matter power spectrum in about one millisecond with ≈0.2%(0.5%) accuracy over redshifts z ≤ 3 (z

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16

Yodwong, Burin, Damien Guilbert, Melika Hinaje, Matheepot Phattanasak, Wattana Kaewmanee, and Gianpaolo Vitale. "Proton Exchange Membrane Electrolyzer Emulator for Power Electronics Testing Applications." Processes 9, no. 3 (2021): 498. http://dx.doi.org/10.3390/pr9030498.

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This article aims to develop a proton exchange membrane (PEM) electrolyzer emulator. This emulator is realized through an equivalent electrical scheme. It allows taking into consideration the dynamic operation of PEM electrolyzers, which is generally neglected in the literature. PEM electrolyzer dynamics are reproduced by the use of supercapacitors, due to the high value of the equivalent double-layer capacitance value. Steady-state and dynamics operations are investigated in this work. The design criteria are addressed. The PEM electrolyzer emulator is validated by using a 400-W commercial PE

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17

Ahmed, Mostafa, Ibrahim Harbi, Ralph Kennel, and Mohamed Abdelrahem. "Maximum Power Point Tracking Implementation under Partial Shading Conditions Using Low-Cost Photovoltaic Emulator." Eng 3, no. 4 (2022): 424–38. http://dx.doi.org/10.3390/eng3040031.

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Maximum power point tracking (MPPT) is a pivotal objective for photovoltaic (PV) systems. To test various MPPT techniques, a reliable and effective PV emulator is required. Therefore, this article proposes a low-cost PV emulator for partial shading conditions, in which a cascaded structure of a DC power source with a resistor is constructed to generate the multiple peaks of the power-voltage (P-V) curve. The proposed structure is simple and modular. Consequently, it can be extended to obtain several peaks in the P-V characteristics to emulate more complex partial shading conditions. The partia

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18

Sirisukprasert, Siriroj, and Trin Saengsuwan. "A Novel Power Electronics-Based Fuel Cell Emulator." ECTI Transactions on Electrical Engineering, Electronics, and Communications 7, no. 2 (2009): 63–71. http://dx.doi.org/10.37936/ecti-eec.200972.171895.

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This paper proposes a prototype of a new power electronics-based fuel cell emulator. It can effectively replace a real electrochemical fuel cell stack during the development stage of a fuel-cell based power generation. The power stage of this new fuel cell emulator consists of a current source converter (buck rectifier) and a dc-to-dc buck converter. The research mainly focuses on emulating the electrical behavior of two well-known fuel cell systems: Proton Exchange Membrane (PEM) and Solid Oxide fuel cells. A 1.5kW PEM fuel cell case is presented inthis paper. Analysis, modeling and control s

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19

Sarojini, Ratnam Kamala, Kaliannan Palanisamy, and Enrico De Tuglie. "A Fuzzy Logic-Based Emulated Inertia Control to a Supercapacitor System to Improve Inertia in a Low Inertia Grid with Renewables." Energies 15, no. 4 (2022): 1333. http://dx.doi.org/10.3390/en15041333.

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The contribution of power generation from converter-dominated renewable energy sources (RES) has increased enormously. Consequently, the system inertia is decreasing, and it impacts the frequency of the system. With large-scale integration of power electronic inverter-based power generation from RES, inertia from energy storage devices would be unavoidable in future power grids. In this paper, the inertia emulator is formed with a supercapacitor (IE–SC) to improve inertia in a low inertia grid. To emulate the inertia in a low inertia grid, this paper proposes a fuzzy logic controller-based emu

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20

Tatović, Mihajlo, and Predrag B. Petrović. "Realization of a memcapacitance emulator utilizing a singular current-mode active block." Journal of Electrical Engineering 74, no. 5 (2023): 390–402. http://dx.doi.org/10.2478/jee-2023-0047.

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Abstract This paper introduces a novel circuit design for a memcapacitance emulator, employing a single Voltage Differencing Current Conveyor (VDCC) as its core element. The emulator circuit has been intricately designed, employing only capacitors as grounded passive components. One remarkable aspect of these circuits is their inherent electronic tunability, allowing for precise control of the achieved inverse memcapacitance. The theoretical analysis of the emulator includes a comprehensive examination of potential non-idealities and parasitic influences. Careful selection of passive circuit e

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21

Raharjo, Jangkung, K. B. Adam, Basuki Rahmat, et al. "Picohydro Power Plant Emulator." International Journal on Engineering Applications (IREA) 13, no. 2 (2025): 109. https://doi.org/10.15866/irea.v13i2.24977.

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Khawaldeh, Habes. "Accurate, Fast and Power Efficient PV Emulator Based on Hybrid Passive and Active Circuits." CPSS Transactions on Power Electronics and Applications 7, no. 4 (2022): 432–41. http://dx.doi.org/10.24295/cpsstpea.2022.00039.

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A photovoltaic emulator (PVE) has been proposed based on a physical equivalent photovoltaic cell model. It has fast dynamic performance that is compatible with a real PV system. The PV emulator can analyze and assess PV systems, including maximum power point tracking (MPPT). It is power efficient at the maximum power point. However, it has higher power loss at an open-circuit voltage (OCV). This paper, therefore, presents a hybrid solution using a switching circuit (SC) paralleled with the diode string (DS) to minimize the power loss. The SC consists of a two-switch non-inverting buck-boost dc

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23

Messo, Tuomas, Roni Luhtala, Tomi Roinila, et al. "Using High-Bandwidth Voltage Amplifier to Emulate Grid-Following Inverter for AC Microgrid Dynamics Studies." Energies 12, no. 3 (2019): 379. http://dx.doi.org/10.3390/en12030379.

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AC microgrid is an attractive way to energize local loads due to remotely located renewable generation. The AC microgrid can conceptually comprise several grid-forming and grid-following power converters, renewable energy sources, energy storage and local loads. To study the microgrid dynamics, power-hardware-in-the-loop (PHIL)-based test setups are commonly used since they provide high flexibility and enable testing the performance of real converters. In a standard PHIL setup, different components of the AC microgrid exist as real commercial devices or electrical emulators or, alternatively,

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24

Aricò, Giovanni, Raul E. Angulo, Sergio Contreras, Lurdes Ondaro-Mallea, Marcos Pellejero-Ibañez, and Matteo Zennaro. "The BACCO simulation project: a baryonification emulator with neural networks." Monthly Notices of the Royal Astronomical Society 506, no. 3 (2021): 4070–82. http://dx.doi.org/10.1093/mnras/stab1911.

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ABSTRACT We present a neural network emulator for baryonic effects in the non-linear matter power spectrum. We calibrate this emulator using more than 50 000 measurements in a 15D parameter space, varying cosmology and baryonic physics. Baryonic physics is described through a baryonification algorithm, which has been shown to accurately capture the relevant effects on the power spectrum and bispectrum in state-of-the-art hydrodynamical simulations. Cosmological parameters are sampled using a cosmology-rescaling approach including massive neutrinos and dynamical dark energy. The specific quanti

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ALHACHEMI, Moulay Abdellah, Mohamed HABBAB, Abdeldjebar HAZZAB, et al. "Empowering Photovoltaic Systems: A Simplified PV Emulator via Current Regulation Approach." Electrotehnica, Electronica, Automatica 72, no. 4 (2024): 19–27. https://doi.org/10.46904/eea.24.72.4.1108002.

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A Photovoltaic Emulator (PVE) is a dedicated instrument engineered to emulate a solar panel's static and dynamic attributes. Its critical function lies in the examination and validation of PV systems by offering a regulated setting despite the erratic shifts in real-world scenarios. The photovoltaic emulator (PVE) comprises two principal constituents - the reference photovoltaic model which serves as the benchmark, and the electronics power controller intrinsic to the PVE itself. The intrinsic simplicity of these two primary elements is imperative for facilitating user-friendly operation. The

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Brando, Guilherme, Bartolomeo Fiorini, Kazuya Koyama та Hans A. Winther. "Enabling matter power spectrum emulation in beyond-ΛCDM cosmologies with COLA". Journal of Cosmology and Astroparticle Physics 2022, № 09 (2022): 051. http://dx.doi.org/10.1088/1475-7516/2022/09/051.

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Abstract We compare and validate COLA (COmoving Lagrangian Acceleration) simulations against existing emulators in the literature, namely Bacco and Euclid Emulator 2. Our analysis focuses on the non-linear response function, i.e., the ratio between the non-linear dark matter power spectrum in a given cosmology with respect to a pre-defined reference cosmology, which is chosen to be the Euclid Emulator 2 reference cosmology in this paper. We vary three cosmological parameters, the total matter density, the amplitude of the primordial scalar perturbations and the spectral index. By comparing the

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Yiu, Timothy Wing Hei, Janis Fluri, and Tomasz Kacprzak. "A tomographic spherical mass map emulator of the KiDS-1000 survey using conditional generative adversarial networks." Journal of Cosmology and Astroparticle Physics 2022, no. 12 (2022): 013. http://dx.doi.org/10.1088/1475-7516/2022/12/013.

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Abstract Large sets of matter density simulations are becoming increasingly important in large-scale structure cosmology. Matter power spectra emulators, such as the Euclid Emulator and CosmicEmu, are trained on simulations to correct the non-linear part of the power spectrum. Map-based analyses retrieve additional non-Gaussian information from the density field, whether through human-designed statistics such as peak counts, or via machine learning methods such as convolutional neural networks. The simulations required for these methods are very resource-intensive, both in terms of computing t

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Harshada Suresh Thorat. "Review on the Design of Meminductor Emulator Using Analog Building Blocks." Journal of Information Systems Engineering and Management 10, no. 24s (2025): 474–503. https://doi.org/10.52783/jisem.v10i24s.3924.

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The advent of meminductors as a basic passive circuit element has sparked widespread attention because of their potential uses in neuromorphic computing, memory storage, and programmable analog circuits. This study gives a detailed assessment of design techniques for meminductor emulators, emphasizing current-mode components. Current-mode circuits provide benefits such as fast operation, low power consumption, and a greater dynamic range, making them an excellent option for meminductor emulator design. The study categorizes and analyzes current designs based on their fundamental ideas, circuit

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Vinatha, U., and P. Vittal K. "Development of Wave Turbine Emulator in a Laboratory Environment." International Journal of Emerging Electric Power Systems 14, no. 4 (2013): 363–72. http://dx.doi.org/10.1515/ijeeps-2012-0026.

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Abstract Wave turbine emulator (WTE) is an important equipment for developing wave energy conversion system. The emulator reflects the actual behavior of the wave turbine by reproducing the characteristics of real wave turbine without reliance on natural wave resources and actual wave turbine. It offers a controllable test environment that allows the evaluation and improvement of control schemes for electric generators. The emulator can be used for research applications to drive an electrical generator in a similar way as a practical wave turbine. This article presents the development of a WTE

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Alanazi, Abdulaziz, Ezzeddine Touti, Cristian Nichita, and Ashglaf Mohamed. "Emulation Structures and Control of Wind-Tidal Turbine Hybrid Systems for Saudi Arabia Off-shore Development." Engineering, Technology & Applied Science Research 14, no. 4 (2024): 15251–56. http://dx.doi.org/10.48084/etasr.7800.

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This paper presents the principles of developing an electromechanical emulator based on an original hybridization concept of a wind and tidal power system. Wind and tidal horizontal axis turbines showcase functional similarities and electromechanical coupling possibility. Tidal concepts are very close to those of wind power. Tidal turbine technology should thus reach maturity more quickly because it is possible for it to rely on a certain number of reliable and proven techniques developed for wind power. The proposed hybrid wind – tidal turbine system is electromechanically coupled on the axis

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Díaz, Edel, Raúl Mateos, Emilio J. Bueno, and Rubén Nieto. "Enabling Parallelized-QEMU for Hardware/Software Co-Simulation Virtual Platforms." Electronics 10, no. 6 (2021): 759. http://dx.doi.org/10.3390/electronics10060759.

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Presently, the trend is to increase the number of cores per chip. This growth is appreciated in Multi-Processor System-On-Chips (MPSoC), composed of more cores in heterogeneous and homogeneous architectures in recent years. Thus, the difficulty of verification of this type of system has been great. The hardware/software co-simulation Virtual Platforms (VP) are presented as a perfect solution to address this complexity, allowing verification by simulation/emulation of software and hardware in the same environment. Some works parallelized the software emulator to reduce the verification times. A

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Hwang, Chul-Sang, Young-Woo Youn, Heung-Kwan Choi, and Tae-Jin Kim. "Converter-Based Power Line Emulators for Testing Grid-Forming Converters Under Various Grid Strength Conditions." Sustainability 17, no. 15 (2025): 6690. https://doi.org/10.3390/su17156690.

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Grid-forming (GFM) converters have been critical in DER-dominant power systems, ensuring stability, but their performance is highly sensitive to grid conditions such as system strength. Testing GFM converters under a wide range of grid strengths (from strong high-inertia systems to very weak grids) and fault scenarios is challenging, as traditional test facilities and static grid simulators have limitations. To address this problem, this paper proposes a converter-based power line emulator that provides a flexible, programmable grid environment for GFM converter testing. The emulator uses powe

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Kumar, Atul, and Bhartendu Chaturvedi. "A High-Quality and Space-Efficient Design for Memristor Emulation." Electronics 13, no. 16 (2024): 3331. http://dx.doi.org/10.3390/electronics13163331.

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The paper presents a new design for a compact memristor emulator that uses a single active component and a grounded capacitor. This design incorporates a current backward transconductance amplifier as the active element, enabling the emulation of both grounded and floating memristors in incremental and decremental modes. The paper provides an in-depth analysis of the circuit, covering ideal, non-ideal, and parasitic factors. The theoretical performance of the memristor emulator is confirmed through post-layout simulations with 180 nm generic process design kit (gpdk) technology, demonstrating

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Balato, Marco, Annalisa Liccardo, and Carlo Petrarca. "Dynamic Boost Based DMPPT Emulator." Energies 13, no. 11 (2020): 2921. http://dx.doi.org/10.3390/en13112921.

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The Distributed Maximum Power Point Tracking (DMPPT) approach is a promising solution to improve the energetic performance of mismatched PhotoVoltaic (PV) systems. However, there are still several factors that can reduce DMPPT energy efficiency, including atmospheric conditions, the efficiency of the power stage, constraints imposed by the topology, the finite rating of silicon devices, and the nonoptimal value of string voltage. In order to fully explore the advantages offered by the above solution, the implementation of a Boost based DMPPT emulator is of primary concern, especially if it beh

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Balato, Marco, Annalisa Liccardo, Carlo Petrarca, and Francesco Bonavolontà. "Buck-based DMPPT emulator: a helpful experimental demonstration unit." ACTA IMEKO 10, no. 2 (2021): 14. http://dx.doi.org/10.21014/acta_imeko.v10i2.923.

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<span lang="EN-GB">Distributed control strategyrepresents the most promising solution to enhance the lackluster energetic performance of mismatched PhotoVoltaic (PV) systems. Moreover, many factors that contribute to such poor performance are still to be explored. To fully understand the advantages offered by the Distributed Maximum Power Point Tracking (DMPPT) approach, the implementation of a DMPPT emulator is necessary. Based on the above needs, this paper describes the realization and use of a Buck based DMPPT emulator and shows its high flexibility and potential. The realized device

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Hua, Zhi Gang, Guang Yu Hu, Zhi Gong Wu, Yong Jie Zhai, and Yu Jia Huo. "A Simulation System of Wind Turbine Based on Labwindows." Applied Mechanics and Materials 530-531 (February 2014): 943–51. http://dx.doi.org/10.4028/www.scientific.net/amm.530-531.943.

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Wind energy is the worlds fastest growing renewable energy source in recent years, and it has drawn worldwide attention. Due to high efficiency, simple topology and stable operation, variable speed constant frequency (VSCF) direct-drive wind power generation system using permanent magnet synchronous generator (PMSG) is the development trend and one of the focuses of wind power generation system research. The paper introduces the trend of the development wind power generation and the recently research stage on the wind power generation. Based on the VSCF power fundamental principle, the dissert

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Anggraini, Silvi, and Krismadinata. "Prototipe Emulator Panel Surya Menggunakan Buck Converter Berbasis Arduino dan Graphical User Interface Matlab." MSI Transaction on Education 4, no. 2 (2023): 107–22. https://doi.org/10.46574/mted.v4i2.115.

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Tulisan ini membahas perancangan perangkat keras emulator sel surya, memonitoring keluaran emulator menggunakan MATLAB GUI, dan membandingkan karakteristik hasil pengukuran langsung dengan karakteristik hasil simulasi untuk mengetahui unjuk kerja sistem panel surya. Emulator panel surya ini akan dimodelkan dengan persamaan matematis di Arduino Uno dengan menginputkan nilai iradiasi, suhu, arus dan tegangan keluaran buck converter yang diberikan sebagai umpan balik dan menghasilkan arus referensi yang kemudian dibandingkan dengan arus keluaran buck converter dimana kesalahan perbandingan akan d

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Zhu, Qiuming, Wei Huang, Kai Mao, et al. "A Flexible FPGA-Based Channel Emulator for Non-Stationary MIMO Fading Channels." Applied Sciences 10, no. 12 (2020): 4161. http://dx.doi.org/10.3390/app10124161.

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In this paper, a discrete non-stationary multiple-input multiple-output (MIMO) channel model suitable for the fixed-point realization on the field-programmable gate array (FPGA) hardware platform is proposed. On this basis, we develop a flexible hardware architecture with configurable channel parameters and implement it on a non-stationary MIMO channel emulator in a single FPGA chip. In addition, an improved non-stationary channel emulation method is employed to guarantee accurate channel fading and phase, and the schemes of other key modules are also illustrated and implemented in a single FP

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Choi, Seonghyun, and Woojoo Lee. "Developing a Grover's quantum algorithm emulator on standalone FPGAs: optimization and implementation." AIMS Mathematics 9, no. 11 (2024): 30939–71. http://dx.doi.org/10.3934/math.20241493.

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<p>Quantum computing (QC) leverages superposition, entanglement, and parallelism to solve complex problems that are challenging for classical computing methods. The immense potential of QC has spurred explosive interest and research in both academia and industry. However, the practicality of QC based on large-scale quantum computers remains limited by issues of scalability and error correction. To bridge this gap, QC emulators utilizing classical computing resources have emerged, with modern implementations employing FPGAs for efficiency. Nevertheless, FPGA-based QC emulators face signif

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Barraj, Imen, Amel Neifar, Hassen Mestiri, and Mohamed Masmoudi. "Zero-Power, High-Frequency Floating Memristor Emulator Circuit and Its Applications." Micromachines 16, no. 3 (2025): 269. https://doi.org/10.3390/mi16030269.

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This paper presents a novel passive floating memristor emulator that operates without an external DC bias, leveraging the DTMOS technique. The design comprises only four MOSFETs and eliminates the need for external capacitors. The emulator achieves a high operating frequency of around 250 MHz and consumes zero static power. A comprehensive analysis and simulation, conducted using 180 nm CMOS technology, validates the circuit’s performance. The versatility and effectiveness of the proposed emulator are demonstrated through its application in various circuits, including logic gates, a ring oscil

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Korasiak, Przemysław, and Janusz Jaglarz. "A New Photovoltaic Emulator Designed for Testing Low-Power Inverters Connected to the LV Grid." Energies 15, no. 7 (2022): 2646. http://dx.doi.org/10.3390/en15072646.

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Assessing the performance of photovoltaic systems, particularly dedicated DC/AC inverter devices, requires the use of photovoltaic panels operating under natural environmental conditions, such as variations in solar radiation intensity, temperature and wind speed. Environmental testing is obviously very troublesome, inconvenient and limited. An alternative solution is to use a device that emulates the output photovoltaic panel curves in variable weather conditions, which allows the carrying out of all necessary tests at the laboratory. This paper presents a new photovoltaic emulator (PVE), mim

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Ghosh, Prosenjit Kumar, Shah Zayed Riam, Sharif Ahmed, and Prabha Sundaravadivel. "CMOS-Based Memristor Emulator Circuits for Low-Power Edge-Computing Applications." Electronics 12, no. 7 (2023): 1654. http://dx.doi.org/10.3390/electronics12071654.

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In this paper, an optimized memristor emulator circuit is designed, by using nine MOSFET transistors and a ground capacitor. Our area- and power-optimized emulator circuit can be used for basic data storage and processing at the monitoring edge, in real-time applications. The memristor shows a nonlinear voltage–current relationship, but no multiplier circuit provides the memristor’s nonlinear characteristics. As a result, the proposed memristor emulator has a very low chip area. The memristor circuit is designed in LTSpice, using 16 nm and 45 nm CMOS technology parameters, and the operating vo

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Wang, Jing, Liu Yang, Yiwei Ma, et al. "Static and dynamic power system load emulation in a converter-based reconfigurable power grid emulator." IEEE Transactions on Power Electronics 31, no. 4 (2016): 3239–51. http://dx.doi.org/10.1109/tpel.2015.2448548.

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Nouri, Behnam, Ömer Göksu, Vahan Gevorgian, and Poul Ejnar Sørensen. "Generic characterization of electrical test benches for AC- and HVDC-connected wind power plants." Wind Energy Science 5, no. 2 (2020): 561–75. http://dx.doi.org/10.5194/wes-5-561-2020.

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Abstract. The electrical test and assessment of wind turbines go hand in hand with standards and network connection requirements. In this paper, the generic structure of advanced electrical test benches, including grid emulator or controllable grid interface, wind torque emulator, and device under test, is proposed to harmonize state-of-the-art test sites. On the other hand, modern wind turbines are under development towards new features, concerning grid-forming, black-start, and frequency support capabilities as well as harmonic stability and control interaction considerations, to secure the

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Wang, Yuting, Ruiyang Zhao, Zhongxu Zhai, et al. "Emulating Power Spectra for Prereconstructed and Postreconstructed Galaxy Samples." Astrophysical Journal 966, no. 1 (2024): 35. http://dx.doi.org/10.3847/1538-4357/ad2e01.

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Abstract The small-scale linear information in galaxy samples typically lost during nonlinear growth can be restored to a certain level by the density field reconstruction, which has been demonstrated for improving the precision of the baryon acoustic oscillation (BAO) measurements. As proposed in the literature, a joint analysis of the power spectrum before and after the reconstruction enables an efficient extraction of information carried by high-order statistics. However, the statistics of the postreconstruction density field are difficult to model. In this work, we circumvent this issue by

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Choudhury, T. Roy, A. Paranjape, and B. Maity. "A GPR-based emulator for semi-numerical reionization code SCRIPT: parameter inference from 21 cm data." Journal of Cosmology and Astroparticle Physics 2024, no. 03 (2024): 027. http://dx.doi.org/10.1088/1475-7516/2024/03/027.

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Abstract Semi-numerical models of reionization typically involve a large number of unknown parameters whose values are constrained by comparing with observations. Increasingly often, exploring this parameter space using semi-numerical simulations can become computationally intensive, thus necessitating the use of emulators. In this work, we present a likelihood emulator based on Gaussian Process Regression (GPR) for our semi-numerical reionization code, SCRIPT, and use it for parameter inference using mock 21 cm power spectrum data and Bayesian MCMC analysis. A unique aspect of our methodology

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Qin, Rui, Chunhua Yang, Hongwei Tao, Tao Peng, Chao Yang, and Zhiwen Chen. "A Power Loss Decrease Method Based on Finite Set Model Predictive Control for a Motor Emulator with Reduced Switch Count." Energies 12, no. 24 (2019): 4647. http://dx.doi.org/10.3390/en12244647.

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This paper presents a power loss decrease method based on finite set model predictive control (FSMPC) with delay compensation for a motor emulator with reduced switch count. Specifically, the topology and mathematical model of the proposed motor emulator with reduced switch count are firstly built. Secondly, in light of given instructions, the normal or fault reference current of the motor emulator is set by a reference current setter. Then delay compensation is applied for the predictive current model to calculate the current residual generated by each switch control signal, and the current t

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Giblin, Benjamin, Matteo Cataneo, Ben Moews, and Catherine Heymans. "On the road to per cent accuracy – II. Calibration of the non-linear matter power spectrum for arbitrary cosmologies." Monthly Notices of the Royal Astronomical Society 490, no. 4 (2019): 4826–40. http://dx.doi.org/10.1093/mnras/stz2659.

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ABSTRACT We introduce an emulator approach to predict the non-linear matter power spectrum for broad classes of beyond-ΛCDM cosmologies, using only a suite of ΛCDM N-body simulations. By including a range of suitably modified initial conditions in the simulations, and rescaling the resulting emulator predictions with analytical ‘halo model reactions’, accurate non-linear matter power spectra for general extensions to the standard ΛCDM model can be calculated. We optimize the emulator design by substituting the simulation suite with non-linear predictions from the standard halofit tool. We revi

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Gómez-Ruiz, Gabriel, Reyes Sánchez-Herrera, Jesús Clavijo-Camacho, Juan M. Cano, Francisco J. Ruiz-Rodríguez, and José M. Andújar. "A Versatile Platform for PV System Integration into Microgrids." Electronics 13, no. 20 (2024): 3995. http://dx.doi.org/10.3390/electronics13203995.

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Advancing decarbonization critically depends on the integration of PV systems into microgrids. However, this integration faces challenges, including the variability of photovoltaic solar energy production, the demands of energy management, and the complexities of grid synchronization and communication. To address these challenges, a PV emulator platform is an essential tool. This paper presents a novel four-layer PV emulator platform that seamlessly integrates power systems, control systems, measurement instrumentation, and communication processes. The proposed platform enables the emulation o

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Merenda, Massimo, Demetrio Iero, Riccardo Carotenuto, and Francesco G. Della Corte. "Simple and Low-Cost Photovoltaic Module Emulator." Electronics 8, no. 12 (2019): 1445. http://dx.doi.org/10.3390/electronics8121445.

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The design and testing phase of photovoltaic (PV) power systems requires time-consuming and expensive field-testing activities for the proper operational evaluation of maximum power point trackers (MPPT), battery chargers, DC/AC inverters. Instead, the use of a PV source emulator that accurately reproduces the electrical characteristic of a PV panel or array is highly desirable for in-lab testing and rapid prototyping. In this paper, we present the development of a low-cost microcontroller-based PV source emulator, which allows testing the static and dynamic performance of PV systems consideri

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