@article{Scarciotti:2017:10.1561/2600000012,
author = {Scarciotti, G and Astolfi, A},
doi = {10.1561/2600000012},
journal = {Foundations and Trends in Systems and Control},
pages = {224--409},
title = {Nonlinear Model Reduction by Moment Matching},
url = {http://dx.doi.org/10.1561/2600000012},
volume = {4},
year = {2017}
}

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TY  - JOUR
AB  - Mathematical models are at the core of modern science and technology. An accurate description of behaviors, systems and processes often requires the use of complex models which are difficult to analyze and control. To facilitate analysis of and design for complex systems, model reduction theory and tools allow determining “simpler” models which preserve some of the features of the underlying complex description. A large variety of techniques, which can be distinguished depending on the features which are preserved in the reduction process, has been proposed to achieve this goal. One such a method is the moment matching approach.This monograph focuses on the problem of model reduction by moment matching for nonlinear systems. The central idea of the method is the preservation, for a prescribed class of inputs and under some technical assumptions, of the steady-state output response of the system to be reduced. We present the moment matching approach from this vantage point, covering the problems of model reduction for nonlinear systems, nonlinear time-delay systems, data-driven model reduction for nonlinear systems and model reduction for “discontinuous” input signals. Throughout the monograph linear systems, with their simple structure and strong properties, are used as a paradigm to facilitate understanding of the theory and provide foundation of the terminology and notation. The text is enriched by several numerical examples, physically motivated examples and with connections to well-established notions and tools, such as the phasor transform.
AU  - Scarciotti,G
AU  - Astolfi,A
DO  - 10.1561/2600000012
EP  - 409
PY  - 2017///
SN  - 2325-6818
SP  - 224
TI  - Nonlinear Model Reduction by Moment Matching
T2  - Foundations and Trends in Systems and Control
UR  - http://dx.doi.org/10.1561/2600000012
UR  - http://hdl.handle.net/10044/1/50175
VL  - 4
ER  - 

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