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Recording of Model Frequency Responses and Describing Functions in Modelica

Bünte, Tilman (2011) Recording of Model Frequency Responses and Describing Functions in Modelica. 8th International Modelica Conference 2011, 20.-22. März 2011, Dresden, Deutschland.

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Official URL: https://modelica.org/events/modelica2011/Proceedings/pages/papers/47_4_ID_194_a_fv.pdf

Abstract

An assistant Modelica package is introduced which supports the determination of model frequency responses or describing functions of Modelica models, as the case may be. The result is frequency response data which can be used for further analysis such as stability properties of the system in closed loop control or the derivation of linear time invariant (LTI) model approximations. The paper addresses inter alia proper scheduling of excitation frequency and amplitude, a brief theory of describing functions (harmonic linearization), the Modelica classes implemented in the package, and some application examples.

Item URL in elib:https://elib.dlr.de/68920/
Document Type:Conference or Workshop Item (Paper)
Title:Recording of Model Frequency Responses and Describing Functions in Modelica
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bünte, TilmanTilman.Buente (at) DLR.deUNSPECIFIED
Date:March 2011
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Frequency response; describing function; system identification
Event Title:8th International Modelica Conference 2011
Event Location:Dresden, Deutschland
Event Type:international Conference
Event Dates:20.-22. März 2011
Organizer:Modelica Association und Fraunhofer IIS EAS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Fahrerassistenz (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (until 2012) > System Dynamics and Control (former Control Design Engineering)
Deposited By: Bünte, Dr.-Ing. Tilman
Deposited On:11 Feb 2011 11:16
Last Modified:30 Jan 2012 11:27

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