Relevant bibliographies by topics / Fixed‐Point Toolbox

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Fixed‐Point Toolbox'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Fixed‐Point Toolbox"

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Chwastek, Krzysztof. "The applications of fixed-point theorem in optimisation problems." Archives of Electrical Engineering 61, no. 2 (2012): 189–98. http://dx.doi.org/10.2478/v10171-012-0016-0.

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The applications of fixed-point theorem in optimisation problems The fixed-point theorem is widely used in different engineering applications. The present paper focuses on its applications in optimisation. A Matlab toolbox, which implements the branch-and-bound optimisation method based on the fixed-point theorem, is used for solving different real-life test problems, including estimation of model parameters for the Jiles-Atherton model.
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Rao, Ruofeng, Zhilin Pu, Shouming Zhong, and Xinggui Li. "Fixed Points and Exponential Stability for Impulsive Time-Delays BAM Neural Networks via LMI Approach and Contraction Mapping Principle." Mathematical Problems in Engineering 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/3154683.

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The fixed point technique has been employed in the stability analysis of time-delays bidirectional associative memory (BAM) neural networks with impulse. By formulating a contraction mapping in a product space, a new LMI-based exponential stability criterion was derived. Lately, fixed point methods have educed various good results inspiring this work, but those criteria cannot be programmed by a computer. In this paper, LMI conditions of the obtained result can be applicable to computer Matlab LMI toolbox which meets the need of the large-scale calculation in real engineering. Moreover, a nume
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Rao, Ruofeng, and Zhilin Pu. "LMI-Based Stability Criterion of Impulsive T-S Fuzzy Dynamic Equations via Fixed Point Theory." Abstract and Applied Analysis 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/261353.

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By formulating a contraction mapping and the matrix exponential function, the authors apply linear matrix inequality (LMI) technique to investigate and obtain the LMI-based stability criterion of a class of time-delay Takagi-Sugeno (T-S) fuzzy differential equations. To the best of our knowledge, it is the first time to obtain the LMI-based stability criterion derived by a fixed point theory. It is worth mentioning that LMI methods have high efficiency and other advantages in largescale engineering calculations. And the feasibility of LMI-based stability criterion can efficiently be computed a
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Rao, Ruofeng, and Shouming Zhong. "Contraction Mapping Theory and Approach to LMI-Based Stability Criteria of T-S Fuzzy Impulsive Time-Delays Integrodifferential Equations." Journal of Function Spaces 2016 (2016): 1–14. http://dx.doi.org/10.1155/2016/5035618.

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In this paper, Banach fixed point theorem is employed to derive LMI-based exponential stability of impulsive Takagi-Sugeno (T-S) fuzzy integrodifferential equations, originated from Cohen-Grossberg Neural Networks (CGNNs). As far as we know, Banach fixed point theorem is rarely employed to derive LMI criteria for T-S fuzzy CGNNs, and this inspires our present work. It is worth mentioning that the conditions on the behavior functions are weaker than those of existing results, and the formulated contraction mapping and fixed point technique are different from those of previous literature. Even a
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Yuan, Jia, Yu Jiang Wang, Jing Hong Cui, et al. "MPPT Strategy of PV System Based on Adaptive Fuzzy Control." Advanced Materials Research 1008-1009 (August 2014): 63–67. http://dx.doi.org/10.4028/www.scientific.net/amr.1008-1009.63.

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In order to use photovoltaic cell effectively and improve its photoelectric conversion efficiency, the maximum power point of photovoltaic generation system should be tracked rapidly and stably [1]. Taking into account the solar PV systems are often affected by external factors,it is difficult to determine system parameters, and has a strong non-linear,so this paper,a adaptive fuzzy logic control technology for STP0950S-36 type of independent photovoltaic systems to a adaptive fuzzy controller design method, and using MATLAB/SIMULINK,fuzzy logic toolbox for simulation tools such as maximum pow
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Karami, Akbar, Saeid Abbasbandy, and Elyas Shivanian. "INverse problem of identifying a time-dependent coefficient and free boundary in heat conduction equation by using the meshless local Petrov-Galerkin (MLPG) method via moving least squares approximation." Filomat 34, no. 10 (2020): 3319–37. http://dx.doi.org/10.2298/fil2010319k.

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In this paper we investigated the inverse problem of identifying an unknown time-dependent coefficient and free boundary in heat conduction equation. By using the change of variable we reduced the free boundary problem into a fixed boundary problem. In direct solver problem we employed the meshless local Petrov-Galerkin (MLPG) method based on the moving least squares (MLS) approximation. Inverse reduced problem with fixed boundary is nonlinear and we formulated it as a nonlinear least-squares minimization of a scalar objective function. Minimization is performed by using of f mincon routine fr
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Lee, Jong Man, Won Hee Kang, and Kwang Ho Lee. "ANN Based Optimized AHU Discharge Air Temperature Control of Conventional VAV System for Minimized Cooling Energy in an Office Building." E3S Web of Conferences 111 (2019): 05014. http://dx.doi.org/10.1051/e3sconf/201911105014.

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In most conventional forced-air systems, the guidelines for the air handling unit(AHU) discharge air temperature(DAT) are not fully established and thus AHU DAT are constantly fixed to a particular set-point, regardless of dynamic changes of operating variables. In this circumstance, this study aimed at developing a control algorithm that can operate a conventional VAV system with optimal set-points for the AHU DAT. Three-story office building was modeled using co-simulation technique between EnergyPlus and Matlab via BCVTB(Building Controls Virtual Test Bed). In addition, artificial neural ne
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Li, Xian Feng, Xiao Peng Wang, Xin Da Qi, Yan Wang, and Ping Yu. "LABTM Control System Based on FPGA." Applied Mechanics and Materials 300-301 (February 2013): 1604–9. http://dx.doi.org/10.4028/www.scientific.net/amm.300-301.1604.

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This paper presents the digital PI control method for design and simulation of a high precision limited angle brushless torque motor control system in Field Programmable Gate Array device (FPGA). The direct drive structures which are widely applied in many servo control fields. Matlab Xilinx System Generator® toolbox based on Fixed-Point Arithmetic is used to design the digital PI controller using DSP architecture, plot the responses of the control system and generate the VHDL source code. The control system model consists of a digital PI, a real LABTM, and a real absolute Inductosyn, encoder
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Thong, Duong Viet, Aviv Gibali, Mathias Staudigl, and Phan Tu Vuong. "Computing Dynamic User Equilibrium on Large-Scale Networks Without Knowing Global Parameters." Networks and Spatial Economics 21, no. 3 (2021): 735–68. http://dx.doi.org/10.1007/s11067-021-09548-3.

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AbstractDynamic user equilibrium (DUE) is a Nash-like solution concept describing an equilibrium in dynamic traffic systems over a fixed planning period. DUE is a challenging class of equilibrium problems, connecting network loading models and notions of system equilibrium in one concise mathematical framework. Recently, Friesz and Han introduced an integrated framework for DUE computation on large-scale networks, featuring a basic fixed-point algorithm for the effective computation of DUE. In the same work, they present an open-source MATLAB toolbox which allows researchers to test and valida
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Baran, Janusz, and Andrzej Jąderko. "An MPPT Control of a PMSG-Based WECS with Disturbance Compensation and Wind Speed Estimation." Energies 13, no. 23 (2020): 6344. http://dx.doi.org/10.3390/en13236344.

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The paper presents simulation research on a variable structure control scheme of a small variable-speed fixed-pitch wind energy conversion system (WECS) with a three-phase permanent magnet synchronous generator (PMSG) in variable wind conditions. The WECS is connected to a power grid through two back-to-back voltage source converters (VSCs) with a DC link. The presented control algorithm is based on feedforward compensation of the wind turbine aerodynamic torque estimated using a linear disturbance observer (DOB). The torque estimate is employed to determine the effective wind speed, required
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Dissertations / Theses on the topic "Fixed‐Point Toolbox"

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Grill, Andreas, and Robin Englund. "Analysis of Fix‐point Aspects for Wireless Infrastructure Systems." Thesis, Karlstad University, Faculty of Technology and Science, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-4550.

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<p>A large amount of today’s telecommunication consists of mobile and short distance wireless applications, where the effect of the channel is unknown and changing over time, and thus needs to be described statistically. Therefore the received signal can not be accurately predicted and has to be estimated. Since telecom systems are implemented in real-time, the hardware in the receiver for estimating the sent signal can for example be based on a DSP where the statistic calculations are performed. A fixed-point DSP with a limited number of bits and a fixed binary point causes larger quantizatio
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Conference papers on the topic "Fixed‐Point Toolbox"

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Kim, Tae Young, Jong Man Lee, Sung Hyup Hong, Jong Min Choi, and Kwang Ho Lee. "Artificial Neural Network Based Optimized Control of Condenser Water Temperature Set-Point." In ASME 2021 15th International Conference on Energy Sustainability collocated with the ASME 2021 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/es2021-63735.

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Abstract In this study, we developed an artificial neural network-based real-time predictive control and optimization model to compare and analyze the difference in total energy consumption when the condenser water outlet temperature coming out of the cooling tower is fixed and when real-time control of the condenser water outlet temperature through the optimal ANN model is applied. An ANN model was developed through MATLAB’s built-in neural network toolbox functionality to predict total energy consumption. The model accuracy of the ANN was examined by applying Cv(RMSE), a statistical concept
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Bartolozzi, Riccardo, and Francesco Frendo. "Evaluation of Drivers’ Attention Level by a Driving Simulator." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82298.

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Diagnosis systems for evaluating driver’s attention level have become very important in the last years and have gained an increasing attention from automotive manufacturers; indeed, traffic crashes represent worldwide one of the main public health problems and many accidents are demonstrated to be due to drivers’ hypovilance. In this work a driving simulator and specific test tools were developed to validate the possibility of monitoring the drivers’ attention level and capability. The driving simulator is equipped with a fixed cockpit and a single front screen. The cockpit reproduces the man-
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Scaliukh, A., A. Soloviev, E. Dmitrieva, and M. Shevtsova. "An Optimal Parameters Determination for Ferroelectric’s Polarization Model." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24841.

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In the presented article we propose a mathematical model for nonlinear response of the polycristalline ferroelectrics, an efficient numerical algorithm for its parameters identification, and finally we deal with the ways of their using in practice. Piezoelectrics and ferroelectrics constitute an important class of materials known owing theirs wide application as sensors and actuators in a large number of devices and components. The control, description, and understanding of piezoelectrics and ferroelectrics behavior present thus an important and difficult undertaking from both the practical an
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