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dc.contributor.authorCapone, Pierluigi-
dc.date.accessioned2018-08-17T09:28:33Z-
dc.date.available2018-08-17T09:28:33Z-
dc.date.issued2002-
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/9138-
dc.description.abstractThe paper focuses on the fundamental challenge of generating linear equivalent systems and accurate frequency vs. amplitude / phase data from the nonlinear model of complex Fly By Wire aircraft. A reasonably detailed nonlinear model of an aircraft should contain all the information needed for all the tasks to be performed during the aircraft development. However, even if this detailed model is available to the designer, the extraction of the information required for the different design and validation phases is a problem that involves both modeling and simulation. In particular, advanced Fly By Wire aircraft characterized by complex and strongly nonlinear models represent an especially challenging problem with regard to linearization. In the introduction, the paper analyzes and discusses the various requirements for the linear systems derived from the nonlinear model such as control laws design, flying qualities and stability assessments. For each of these requirements the engineer needs to extract the appropriate data from the nonlinear model. In some cases these data will be in the form of state space models or transfer functions. In others the only data required is the frequency response. This is the case for many flying qualities criteria. The different linearization techniques currently used in the aircraft industry are described in combination with state of the art simulation and modeling practices. In particular, the linearization of highly nonlinear elements such as the control laws is addressed and several lessons learned and best practices are discussed. A simple and effective method to obtain the Nonlinear Frequency Response from any nonlinear system is presented. The method is shown to give the same results as the describing function technique and some applications are presented such as Pilot Induced Oscillation analysis.de_CH
dc.language.isoende_CH
dc.publisherResearch and Technology Organization, North Atlantic Treaty Organizationde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectNon Linear Methodsde_CH
dc.subjectControl Laws Designde_CH
dc.subjectLinearizationde_CH
dc.subjectAircraft Modelde_CH
dc.subject.ddc620: Ingenieurwesende_CH
dc.titleLinearization of aircraft models : a flight control system and flying qualities perspectivede_CH
dc.typeKonferenz: Paperde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitZentrum für Aviatik (ZAV)de_CH
zhaw.publisher.placeNeuilly-sur-Seinede_CH
zhaw.conference.detailsRTO Systems - Concepts and Integration Panel (SCI) Symposium, Berlin, Deutschland, 13.-15. Mai 2002de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawNode_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewEditorial reviewde_CH
zhaw.title.proceedingsChallenges in dynamics, system identification, control and handling qualities for land, air sea and space vehiclesde_CH
zhaw.webfeedFlight Mechanics and Flight Control Systemsde_CH
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Capone, P. (2002). Linearization of aircraft models : a flight control system and flying qualities perspective. Challenges in Dynamics, System Identification, Control and Handling Qualities for Land, Air Sea and Space Vehicles.
Capone, P. (2002) ‘Linearization of aircraft models : a flight control system and flying qualities perspective’, in Challenges in dynamics, system identification, control and handling qualities for land, air sea and space vehicles. Neuilly-sur-Seine: Research and Technology Organization, North Atlantic Treaty Organization.
P. Capone, “Linearization of aircraft models : a flight control system and flying qualities perspective,” in Challenges in dynamics, system identification, control and handling qualities for land, air sea and space vehicles, 2002.
CAPONE, Pierluigi, 2002. Linearization of aircraft models : a flight control system and flying qualities perspective. In: Challenges in dynamics, system identification, control and handling qualities for land, air sea and space vehicles. Conference paper. Neuilly-sur-Seine: Research and Technology Organization, North Atlantic Treaty Organization. 2002
Capone, Pierluigi. 2002. “Linearization of Aircraft Models : A Flight Control System and Flying Qualities Perspective.” Conference paper. In Challenges in Dynamics, System Identification, Control and Handling Qualities for Land, Air Sea and Space Vehicles. Neuilly-sur-Seine: Research and Technology Organization, North Atlantic Treaty Organization.
Capone, Pierluigi. “Linearization of Aircraft Models : A Flight Control System and Flying Qualities Perspective.” Challenges in Dynamics, System Identification, Control and Handling Qualities for Land, Air Sea and Space Vehicles, Research and Technology Organization, North Atlantic Treaty Organization, 2002.


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