Optimal modal reduction of dynamic subsystems: Extensions and
Jun 18, 2010 ... DOI: 10.1002/nme.2949. Optimal modal reduction of dynamic subsystems: Extensions and improvements. Shaul Tayeb1 and Dan Givoli2,∗,†.
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Model decomposition and reduction tools for large-scale networks in
models: one based on model decomposition and one on model reduction. Our aim is to .... model with very similar dynamic properties as the original model but with a ... large-scale system into a set of interacting subsystems by minimising .... models is provided; some recent extensions to balanced truncation allow for the ...
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Which are the important modes of a subsystem?
This leads to a simple and effective algorithm for optimal modal reduction. ... KEY WORDS: subsystem; dynamic system; model reduction; modal reduction; ...... is an extension of the partially lumped scheme presented in Reference .
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The important modes of subsystems: a moment-matching approach
recently proposed optimal modal reduction (OMR) method due to Givoli et al. ... WORDS: structural dynamics; substructure coupling; dynamic system; modal reduction; moment- ... A multilevel extension, called .... The improvements of the CMS.
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APPROACHES AND POSSIBLE IMPROVEMENTS IN THE AREA
5.3 A Model Reduction Approach for CONTOPS. 24. DISCUSSION AND ... developed 2,s to model dynamic behavior and for use in control design. Reference 4 ...
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Position-dependent dynamic behavior and stability is successfully simulated for the case of virtual ... Machine tools, Model reduction, Substructuring, Dynamics ... many and which modes of the subsystem need to be .... determine the optimal excitation location, the „optimum ..... of dynamic subsystems: Extensions and.
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Frequency-Weighted Model Reduction with Applications to
method for model reduction of linear systems to the frequency- weighted case. ... more extensions and improvements have been proposed. The books ,  ...
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Model reduction techniques to speed up multibody dynamics - Lirias
plications computer simulation closely interacts with other subsystems of the ... The optimal choice of the coordinates used, depends on the modeled system and ... Modal reduction requires inevitably some kind of linearization, therefore ...... it is not advisable to approximate the rigid body dynamics (and by extension the in- .
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NISTIR 7756, CAESARS Framework Extension - NIST Computer
reference model that extends the framework provided by the DHS Federal ... This extension enables added functionality, defines each subsystem in more detail ..... monitoring and improvement. .... within tools for performing data collection to reduce integration costs, enable ..... dynamically trigger the required data collection.
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Structured Model Reduction and its Application to Power Systems
gorithms can be used to reduce the subsystems locally, while retaining the ... applied to the Klein-Rogers-Kundur 2-area system which dynamics is well- ...... optimal Hankel norm reduction and Krylov methods, which will be surveyed briefly in this section, since later extensions like network preserving model reduction will.
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SLAC-~~13-296 - Stanford University
isobar model as well ... provides optimal systematic extension and improvement of ... theories may define rather than approximate the underlying dynamics. Separable approximations are especially useful in reducing the high dimensionality ... show that significantly more information from two particle subsystems may be.
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Optimizing Dynamic Resource Allocation - ScienceDirect
Jun 6, 2014 ... Optimizing Dynamic Resource Allocation Lucas W. Krakow, Louis Rabiet, Yun ... nominal belief state optimization (NBO), optimal Stochastic Control, partially ... polyhedral model, stochastic dynamic programming, target tracking, un- ... Current extensions including subsystems and adaptations to irregular ...
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Empirical model reduction and the modelling hierarchy in climate
the reduced stochastic model represents surprisingly well a variety of linear and nonlinear .... wind and temperature; choice of optimal inner product in computing covariances .... fast dynamics within a climate subsystem of interest. The simplest type of .... multilevel extensions of (2.4). ..... 2.3 here; the improvement reported ...
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Dynamic Model Reduction - Serbian Journal of Electrical Engineering
Among the nonlinear dynamic model reduction methods, proper orthogonal .... sense, an optimum approximation of the original system, without the constraints ..... extension of BT model reduction to descriptor systems has been considered in ...... presented, and improvements over the standard slow-coherency recognition.
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Special Technology Report Mixing Formal and Dynamic Verification
How formal is currently being used with dynamic verification. .... undergo a “ continuous improvement” process. .... XACT with SPRINT extensions. .... combination of case-splitting and automatic model reduction techniques, and .... Exhaustive verification of block/subsystem features, functions, operations, and transactions.
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Aircraft Flight Path Optimization The Hamilton-Jacobi-Bellman - Hikari
This development cannot be carried out without improvement of the scien- ... paper, we have suggested a dynamic optimization method solving a model gov- ... an original system extension where subsystems are linked to the dynamics via ..... discretize the control and the state for reducing the dimension of the optimal.
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Targeting strategies for the synthesis and energy integration of
Feb 3, 1992 ... reacting environments and is formulated as a dynamic optimization ... on the synthesis of chemical engineering subsystems. .... paper, we address the optimal heat integration of reactor ... function, and this model can be reduced to a linear pro- ... convex hulls, until we find no improvement in the objective.
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The VehicleDynamics Library - Overview and Applications - Modelica
for model-based vehicle dynamics analysis, in parti- ... is a substantial extension and improvement of the now deprecated free ... analysing individual components or subsystems ... Ideal Ideal model of a component. .... model reduction.
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Reduction - Princeton University
Model reduction has opened the world of linear control techniques to flow con- ... unstable dynamics is treated exactly while the (large dimensional) stable dynamics .... 4.4.1 Optimal control with equivariant actuation . .... basis and obtained significant improvement of the transient dynamics in flow past .... sional subsystems.
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Robust Subspace Identification of a Nonlinear Satellite Using Model
Satellite structures are most often made of different subsystems assembled through ... Therefore, investigating the nonlinear dynamics of space structures has become of .... exists an optimal order in comparison with which higher orders do not ... Spurious poles are removed from the estimated model through the reduction of ...
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