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Enhancement of the Nonlinear OLOP-PIO-Criterion Regarding Phase-Compensated Rate Limiters

Ossmann, Daniel and Heller, Matthias and Brieger, Oliver (2008) Enhancement of the Nonlinear OLOP-PIO-Criterion Regarding Phase-Compensated Rate Limiters. AIAA-AFM, 2008, 18. - 21. August 2008, Honolulu, USA.

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Abstract

The unique dynamic coupling effects between airframe, flight control system, and the pilot of modern, highly or super-augmented aircraft introduce new stability and handling qualities problems which do not occur on conventional airplanes. In particular, phenomena leading to a destabilization of the closed-loop system consisting of the airframe, the control and stability augmentation system, and the pilot, triggered by an undesired and unexpected interaction between pilot and augmented aircraft dynamics are known to be very dangerous for the aircraft and crew. They are commonly referred to as Pilot Involved or Pilot-In-the-Loop Oscillations. This paper focuses on the enhancement of the so called Open-Loop-Onset-Point-criterion, originally developed to predict PIO-susceptibility due to nonlinear effects such as position and non-phase-compensated rate limiting. The criterion is modified to also cover phase-compensated rate limiters, which are now commonly found in modern flight control systems.

Item URL in elib:https://elib.dlr.de/90250/
Document Type:Conference or Workshop Item (Speech)
Title:Enhancement of the Nonlinear OLOP-PIO-Criterion Regarding Phase-Compensated Rate Limiters
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ossmann, Danieldaniel.ossmann (at) dlr.deUNSPECIFIED
Heller, MatthiasUNSPECIFIEDUNSPECIFIED
Brieger, OliverUNSPECIFIEDUNSPECIFIED
Date:August 2008
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Handling Qualities, Flight Control
Event Title:AIAA-AFM, 2008
Event Location:Honolulu, USA
Event Type:international Conference
Event Dates:18. - 21. August 2008
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems & Cabin (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Aircraft System Dynamics
Deposited By: Ossmann, Dr. Daniel
Deposited On:13 Aug 2014 12:44
Last Modified:31 Jul 2019 19:47

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