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Relevant bibliographies by topics / Equivalent scheme transformation

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Academic literature on the topic 'Equivalent scheme transformation'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Equivalent scheme transformation"

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Tkachov, Igor. "A New Approach to Solving the Problem of Generating Sets of Complex Structural Objects Based on a Quasi-Equivalent Transformation of a Labeling Scheme." Cybernetics and Computer Technologies, no. 1 (March 30, 2021): 43–53. http://dx.doi.org/10.34229/2707-451x.21.1.4.

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The paper presents the results of a theoretical study related to the development of methods for constructing generating structures based on labeling schemes for generating sets of complex structural objects. In a theoretical aspect, generated objects are mappings of sets of objects into a set of labels, and in practical terms, they can be, in particular, visual images. The scientific and practical interest in generative constructions is that they can be used to determine whether objects belong to a certain class, that is, to solve the problem of pattern recognition. The problem of constructing

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Alamilla, Jorge L., José A. Rodriguez, and Rossana Vai. "Unification of Different Approaches to Probabilistic Seismic Hazard Analysis." Bulletin of the Seismological Society of America 110, no. 6 (2020): 2816–27. http://dx.doi.org/10.1785/0120200148.

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ABSTRACT Cornell’s, Esteva’s, and classical formulations for seismic hazard analysis are theoretically described and mathematically unified by a suitable treatment of the random ground-motion variable. Differences and connections among the schemes are discussed, allowing for a better understanding of the underpinning principles of probabilistic seismic hazard analysis. The classical formulation is equivalent to that by Esteva, and they correspond to a general scheme. Although they are mathematically equivalent, the two formulations each has its own particular approach to express the hazard rat

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Yan, Tong. "The numerical solutions for the nonhomogeneous Burgers' equation with the generalized Hopf-Cole transformation." Networks and Heterogeneous Media 18, no. 1 (2022): 359–79. http://dx.doi.org/10.3934/nhm.2023014.

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<abstract><p>In this paper, with the help of the generalized Hopf-Cole transformation, we first convert the nonhomogeneous Burgers' equation into an equivalent heat equation with the derivative boundary conditions, in which Neumann boundary conditions and Robin boundary conditions can be viewed as its special cases. For easy derivation and numerical analysis, the reduction order method is used to convert the problem into an equivalent first-order coupled system. Next, we establish a box scheme for this first-order system. By the technical energy analysis method, we obtain the prior

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CABALLERO, R., M. RODRÍGUEZ-ARTALEJO, and C. A. ROMERO-DÍAZ. "A Transformation-based implementation for CLP with qualification and proximity." Theory and Practice of Logic Programming 14, no. 1 (2012): 1–63. http://dx.doi.org/10.1017/s1471068412000014.

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AbstractUncertainty in logic programming has been widely investigated in the last decades, leading to multiple extensions of the classical logic programming paradigm. However, few of these are designed as extensions of the well-established and powerful Constraint Logic Programming (CLP) scheme for CLP. In a previous work we have proposed the proximity-based qualified constraint logic programming (SQCLP) scheme as a quite expressive extension of CLP with support for qualification values and proximity relations as generalizations of uncertainty values and similarity relations, respectively. In t

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Xiang, Wei, Ning Li, and Yeguo Sun. "Fuzzy Adaptive Prescribed Performance Control for a Class of Uncertain Nonlinear Systems with Unknown Dead-Zone Inputs." Mathematical Problems in Engineering 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/4386515.

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This paper proposes a fuzzy adaptive prescribed performance control scheme for a class of uncertain chaotic systems with unknown control gains and unknown dead-zone inputs. Firstly, an error transformation is introduced to transform the original constrained system into an equivalent unconstrained one. Then, based on the error transformation technique and the predefined performance technique, a fuzzy adaptive feedback control method is developed. It is shown that all the signals of the resulting closed-loop system are bounded. Finally, an illustrative example is given to demonstrate the effecti

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Bulanov, S. G. "The Analysis of the Systems Stability of Linear Differential Equations Based on the Transformation of Difference Schemes." Mekhatronika, Avtomatizatsiya, Upravlenie 20, no. 9 (2019): 542–49. http://dx.doi.org/10.17587/mau.20.542-549.

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The approach to the analysis of Lyapunov systems stability of linear ordinary differential equations based on multiplicative transformations of difference schemes of numerical integration is presented. As a result of transformations, the stability criteria in the form of necessary and sufficient conditions are formed. The criteria are invariant with respect to the right side of the system and do not require its transformation with respect to the difference scheme, the length of the gap and the step of the solution. A distinctive feature of the criteria is that they do not use the methods of th

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Smith, M. C., and G. W. Walker. "Interconnected vehicle suspension." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 219, no. 3 (2005): 295–307. http://dx.doi.org/10.1243/095440705x6578.

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This paper introduces a class of passive interconnected suspensions, defined mathematically in terms of their mechanical admittance matrices, with the purpose of providing greater freedom to specify independently bounce, pitch, roll, and warp dynamics than conventional (passive) suspension arrangements. Two alternative realization schemes are described that are capable of implementing this class (under ideal assumptions). The first scheme incorporates an interconnected multilever arrangement consisting of four separate hydraulic circuits, which transforms the separate wheel station displacemen

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Huang, Wentao, Qingqing Zheng, Ying Hu, Yalan Huang, and Shasha Zhou. "Optimization of Frequency Modulation Energy Storage Configuration in Power Grid Based on Equivalent Full Cycle Model." Energies 17, no. 9 (2024): 2120. http://dx.doi.org/10.3390/en17092120.

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This paper aims to meet the challenges of large-scale access to renewable energy and increasingly complex power grid structure, and deeply discusses the application value of energy storage configuration optimization scheme in power grid frequency modulation. Based on the equivalent full cycle model and a large number of actual operation data, various energy storage technologies are technically analyzed, and the economic and environmental performance of different energy storage configuration schemes are comprehensively evaluated. On this basis, this paper puts forward a set of efficient and eco

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Fu, Yayun, Qianqian Zheng, Yanmin Zhao, and Zhuangzhi Xu. "Linearly Implicit High-Order Exponential Integrators Conservative Runge–Kutta Schemes for the Fractional Schrödinger Equation." Fractal and Fractional 6, no. 5 (2022): 243. http://dx.doi.org/10.3390/fractalfract6050243.

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In this paper, a family of high-order linearly implicit exponential integrators conservative schemes is constructed for solving the multi-dimensional nonlinear fractional Schrödinger equation. By virtue of the Lawson transformation and the generalized scalar auxiliary variable approach, the equation is first reformulated to an exponential equivalent system with a modified energy. Then, we construct a semi-discrete conservative scheme by using the Fourier pseudo-spectral method to discretize the exponential system in space direction. After that, linearly implicit energy-preserving schemes which

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Zhang, Peng, Zhenling Wang, and Weiwei Che. "Data-Driven Prescribed Performance Platooning Control Under Aperiodic Denial-of- Service Attacks." Mathematics 12, no. 21 (2024): 3313. http://dx.doi.org/10.3390/math12213313.

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This article studies a data-driven prescribed performance platooning control method for nonlinear connected automated vehicle systems (CAVs) under aperiodic denial-of-service (DoS) attacks. Firstly, the dynamic linearization technique is employed to transform the nonlinear CAV system into an equivalent linearized data model. Secondly, to improve the system’s transient performance, a prescribed performance transformation (PPT) scheme is proposed to transform the constrained output into the unconstrained one. In addition, an attack compensation mechanism is designed to reduce the adverse impact.

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Book chapters on the topic "Equivalent scheme transformation"

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Akama, Kiyoshi, and Ekawit Nantajeewarawat. "Model-Intersection Problems and Their Solution Schema Based on Equivalent Transformation." In Communications in Computer and Information Science. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-52758-1_12.

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Borrelli, Arianna. "The Great Yogurt Project: Models and Symmetry Principles in Early Particle Physics." In Model and Mathematics: From the 19th to the 21st Century. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97833-4_6.

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AbstractAccording to the received view of the development of particle physics, mathematics, and more specifically group theory, provided the key which, between the late 1950s and the early 1960s, allowed scientists to achieve both a deeper physical understanding and an empirically successful modeling of particle phenomena. Indeed, a posteriori it has even been suggested that just by looking at diagrams of observed particle properties (see Fig. 1) one could have recognized in them the structures of specific groups (see Fig. 2). However, a closer look at theoretical practices of the 1950s and ea

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Cacciamani, Federico. "Learning Optimal Equilibria and Mechanisms Under Information Asymmetry." In SpringerBriefs in Applied Sciences and Technology. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-80268-3_2.

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Abstract Multi-agent environments represent a ubiquitous case of application for game-theoretic techniques. The default game model involves the presence of a large number of agents with asymmetric information on the environment that sequentially interact between them. Algorithmic Game Theory starts from particular notions of equilibria, i.e., sets of strategies for the players such that no one has incentive to deviate from her strategy, and studies the development of algorithms for computing or approximating those. The milestones achieved by researchers in the field over the last decades made

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Dodds, Michael R. "Organizing Schemes for the Two Modes, 1687–1722." In From Modes to Keys in Early Modern Music Theory. Oxford University Press, 2023. http://dx.doi.org/10.1093/oso/9780199338153.003.0007.

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Abstract +It is the two modes’ organization that makes them a system. This chapter considers the organization of major–minor key listings in twenty-four treatises between Speer’s 1687 Grundrichtiger Unterricht, the first continental treatise listing the major and minor keys apart from another modal scheme, and Rameau’s 1722 Traité de l’harmonie, a book inaugurating a new era in harmonic theory. In these two-mode treatises, we encounter three organizing schemes: (1) stepwise by final, whether diatonic or chromatic (2) first by type of key, and then stepwise by final; and (3) by increasing signa

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Duggan, James R. "Fast-track leadership development programmes: the new micro-philanthropy of future elites." In Corporate Elites and the Reform of Public Education. Policy Press, 2017. http://dx.doi.org/10.1332/policypress/9781447326809.003.0010.

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The chapter contributes to discussions on public sector fast-track leadership schemes as an elite re-professionalising project that occurs within and across different domains of the public sector. An aim of Teach First is to create a ‘movement of leaders’ to end educational inequality through societal change. The chapter explores the path of one Teach First ambassador as he developed an equivalent fast-track scheme in social work called Frontline. Drawing on Carol Bacchi’s What’s the problem represented to be approach, the chapter explores how entry routes into the teaching profession are bein

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Atiskov, Alexey Y., Fedor A. Novikov, Ludmila N. Fedorchenko, Vladimir I. Vorobiev, and Nickolay A. Moldovyan. "Ontology-Based Analysis of Cryptography Standards and Possibilities of Their Harmonization." In Theory and Practice of Cryptography Solutions for Secure Information Systems. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-4030-6.ch001.

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Security means for shared computer, networking, and information resources are not balanced, inefficient, and poorly integrative. This chapter gives a brief overview of certain discrepancies and incompletenesses of ISO standards ISO 15408, ISO 18045, ISO 27k, etc., which are not balanced. Formal methods for their harmonization and coordination are described. Then the chapter discusses Hybrid Ontology Technology using Unified Modeling Language, State Transitions Model (state machine diagrams), and a special tool based on Equivalent Transformations of syntax graph-scheme.

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Sarkar, Anirban. "Design of Semi-Structured Database System." In Designing, Engineering, and Analyzing Reliable and Efficient Software. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2958-5.ch005.

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The chapter focuses on a graph – semantic based conceptual data model for semi-structured data, called Graph Object Oriented Semi-Structured Data Model (GOOSSDM), to conceptualize the different facets of such system in object oriented paradigm. The model defines a set of graph based formal constructs, varieties of relationship types with participation constraints. It is accompanied with a rich set of graphical notations and those are used to specify the conceptual level design of semi-structured database system. The approach facilitates modeling of irregular, heterogeneous, hierarchical, and n

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Martí Sánchez, Manuel. "Creación (o transformación) en la fraseología pragmática periférica." In De aquí a Lima. Estudios fraseológicos del español de España e Hispanoamérica. Fondazione Università Ca’ Foscari, 2020. http://dx.doi.org/10.30687/978-88-6969-441-7/002.

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Phraseological units, as part of repeated discourse, set out a problem to the well-known thesis of the creative character of language. It is a problem of reason, a false paradox, since phraseological creation is a fact: phraseological units are continuously created from the transformation of something already existing, frequently through phraseological manipulation. Starting from this evidence, this paper shall examine phraseological creativity in contrast to the grammatical one, by offering examples of a very special section of peripheral pragmatic phraseology, called timos by Casares (catchp

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Conference papers on the topic "Equivalent scheme transformation"

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Schau, Kyle, Susan Polsky, and Gopal Gaonkar. "Helicopter Downwash Effects on Ship Airwake: Predictions, Modeling from a Database, and Simulation." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9582.

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Helicopter downwash impact on ship airwake is addressed from a three-pronged approach: 1.) Predictions of one-point statistics of autospectrum and two-point statistics of cross-spectrum and coherence from a Computational Fluid Dynamics database of flow velocity predictions; 2.) Development of a mathematical framework for extracting interpretive autospectral models in closed form from a database; 3.) Simulation through white-noise-driven filters for the extracted models. The framework begins with an earlier-exercised perturbation series expansion of the autocorrelation for all three velocity co

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Poursina, Mohammad, and Kurt S. Anderson. "Multibody Dynamics in Generalized Divide and Conquer Algorithm (GDCA) Scheme." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48383.

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Generalized divide and conquer algorithm (GDCA) is presented in this paper. In this new formulation, generalized forces appear explicitly in handle equations in addition to the spatial forces, absolute and generalized coordinates which have already been used in the original version of DCA. To accommodate these generalized forces in handle equations, a transformation is presented in this paper which provides an equivalent spatial force as an explicit function of a given generalized force. Each generalized force is then replaced by its equivalent spatial force applied from the appropriate parent

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Winters, M. P., John L. Hall, and K. P. Dinse. "High-resolution optical multiplex spectroscopy." In OSA Annual Meeting. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.wn4.

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We have developed a frequency-multiplex laser spectrometer using the concept of stochastic excitation to provide an effective optical excitation bandwidth of >200 MHz and an inherent spectral resolution of a few kilohertz. A frequency-stabilized Ar+ laser is phase-modulated by a pseudorandom binary sequence (PRBS) running at a clock frequency of 200 MHz. The detected system response to the stochastic optical field is cross-correlated with an identical time-delayed PRBS to give the equivalent of a free induction decay signal. A time-to-frequency transformation then gives the transfer functio

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Chen, Peng, and Bin Wang. "Finite Time Control of a Fractional Order Hydro-Turbine Governing System With Load Rejection." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-67359.

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Abstract This study focuses on the finite time control of a fractional order hydro-turbine governing system (HGS) with load rejection. First, the hydraulic servo system has significant historical reliance. Since it is a powerful advantage for fractional calculus to describe the function which has significant historical reliance, the fractional order hydraulic servo system is adopted and the more actual fractional order hydro-turbine governing system is presented. Second, some definitions and properties are given, and the state trajectories of HGS with load rejection is observed. The simulation

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Federico, L., and A. Russo. "Rotorcraft Trim Analysis Using a General-Purpose Multibody Code." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66008.

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Rotorcraft dynamics represents a major analytical challenge to aeronautical industry and research centres. Complexities arising from large rigid motions, body elasticity, aerodynamic loads and control systems have to be taken into account in order to ensure the accuracy of a comprehensive analysis. Architected for the nonlinearities associated with large motion in three-dimensional space, the ADAMS general-purpose multibody code allows to automatically formulate and integrate the equations of motion for a wide range of mechanisms, including rotary wing systems (once provided with an aerodynami

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Akama, Kiyoshi, and Ekawit Nantajeewarawat. "A General Schema for Solving Model-Intersection Problems on a Specialization System by Equivalent Transformation." In 7th International Conference on Knowledge Engineering and Ontology Development. SCITEPRESS - Science and and Technology Publications, 2015. http://dx.doi.org/10.5220/0005597000380049.

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Wang, Fengxia, and Anil K. Bajaj. "On the Equivalence of Normal Form Theory and Multiple Time Scale Method." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35603.

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Multiple time scales technique has long been an important method for the analysis of weakly nonlinear systems. In this technique, a set of multiple time scales are introduced that serve as the independent variables. The evolution of state variables at slower time scales is then determined so as to make the expansions for solutions in a perturbation scheme uniform in natural and slower times. Normal form theory has also recently been used to approximate the dynamics of weakly nonlinear systems. This theory provides a way of finding a coordinate system in which the dynamical system takes the “si

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Niu, Hui, Yumin Xiao, Li Zhao, et al. "Multiphysics Simulation on Vibration and Noise of Variable-Speed Permanent Magnet Brushless DC Motor With Eccentricity." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24289.

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Abstract Multiphysics finite element modeling process is derived to predict vibration and noise due to magnetic forces within a permanent-magnet brushless DC motor over a variable speed range under healthy and eccentric faulty conditions. Transient analysis for magnetic force in two-dimensional electromagnetic model is carried out over a variable speed range. To keep cyclic symmetry mesh and avoid numerical source of noise, the method of effective air gap layer is applied and manipulated with relative permeability derived for static and dynamic eccentric rotating condition depending on rotatio

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