Nonlinear phase shift compensator for pilot-induced oscillations prevention

Boris Andrievsky, Nikolay Kuznetsov, Olga Kuznetsova, Gennady Leonov, Svetlana Seledzhi

Research output

2 Citations (Scopus)

Abstract

The pilot-induced oscillation (PIO) is denoted as unintended steady fluctuation of the piloted aircraft, generated due to the efforts of the pilot to control the aircraft. The main non-linear factor leading to the PIO is, generally, rate limitations of the aircraft control surfaces, resulting in a delay in the response of the aircraft to pilot commands. Due to the tight relationship between magnitude and phase frequency responses for linear systems, applicability of the linear compensator for mentioned aim is highly restricted. This leads to the idea of employing the nonlinear phase shift compensator. In the control theoretic literature, various nonlinear corrective devices (NCD) are elaborated, which make it possible to change the phase-frequency and amplitude-frequency responses independently on each other. In the paper, a novel phase shift compensator based on nonlinear correction technique is presented and numerical comparative study for two models of a pilot for PIO prevention during the flight is given. The results obtained demonstrate that the proposed method in several times increases the admissible gain of the 'airplane-pilot' loop as compared with non-corrected system.

Original languageEnglish
Title of host publicationProceedings - EMS 2015
Subtitle of host publicationUKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation
EditorsGregorio Romero, Alessandra Orsoni, David Al-Dabass, Athanasios Pantelous
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages225-231
Number of pages7
ISBN (Electronic)9781509002061
DOIs
Publication statusPublished - 29 Sep 2016
Event9th UKSim-AMSS IEEE European Modelling Symposium on Computer Modelling and Simulation, EMS 2015 - Madrid
Duration: 6 Oct 20158 Oct 2016

Publication series

NameProceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation

Conference

Conference9th UKSim-AMSS IEEE European Modelling Symposium on Computer Modelling and Simulation, EMS 2015
CountrySpain
CityMadrid
Period6/10/158/10/16

Fingerprint

Compensator
Phase Shift
Phase shift
Aircraft
Oscillation
Frequency Response
Frequency response
Aircraft control
Control surfaces
Comparative Study
Linear systems
Linear Systems
Fluctuations
Demonstrate
Model

Scopus subject areas

  • Computer Science Applications
  • Control and Optimization
  • Modelling and Simulation

Cite this

Andrievsky, B., Kuznetsov, N., Kuznetsova, O., Leonov, G., & Seledzhi, S. (2016). Nonlinear phase shift compensator for pilot-induced oscillations prevention. In G. Romero, A. Orsoni, D. Al-Dabass, & A. Pantelous (Eds.), Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation (pp. 225-231). [7579833] (Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EMS.2015.43
Andrievsky, Boris ; Kuznetsov, Nikolay ; Kuznetsova, Olga ; Leonov, Gennady ; Seledzhi, Svetlana. / Nonlinear phase shift compensator for pilot-induced oscillations prevention. Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation. editor / Gregorio Romero ; Alessandra Orsoni ; David Al-Dabass ; Athanasios Pantelous. Institute of Electrical and Electronics Engineers Inc., 2016. pp. 225-231 (Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation).
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abstract = "The pilot-induced oscillation (PIO) is denoted as unintended steady fluctuation of the piloted aircraft, generated due to the efforts of the pilot to control the aircraft. The main non-linear factor leading to the PIO is, generally, rate limitations of the aircraft control surfaces, resulting in a delay in the response of the aircraft to pilot commands. Due to the tight relationship between magnitude and phase frequency responses for linear systems, applicability of the linear compensator for mentioned aim is highly restricted. This leads to the idea of employing the nonlinear phase shift compensator. In the control theoretic literature, various nonlinear corrective devices (NCD) are elaborated, which make it possible to change the phase-frequency and amplitude-frequency responses independently on each other. In the paper, a novel phase shift compensator based on nonlinear correction technique is presented and numerical comparative study for two models of a pilot for PIO prevention during the flight is given. The results obtained demonstrate that the proposed method in several times increases the admissible gain of the 'airplane-pilot' loop as compared with non-corrected system.",
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Andrievsky, B, Kuznetsov, N, Kuznetsova, O, Leonov, G & Seledzhi, S 2016, Nonlinear phase shift compensator for pilot-induced oscillations prevention. in G Romero, A Orsoni, D Al-Dabass & A Pantelous (eds), Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation., 7579833, Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation, Institute of Electrical and Electronics Engineers Inc., pp. 225-231, Madrid, 6/10/15. https://doi.org/10.1109/EMS.2015.43

Nonlinear phase shift compensator for pilot-induced oscillations prevention. / Andrievsky, Boris; Kuznetsov, Nikolay; Kuznetsova, Olga; Leonov, Gennady; Seledzhi, Svetlana.

Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation. ed. / Gregorio Romero; Alessandra Orsoni; David Al-Dabass; Athanasios Pantelous. Institute of Electrical and Electronics Engineers Inc., 2016. p. 225-231 7579833 (Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation).

Research output

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T1 - Nonlinear phase shift compensator for pilot-induced oscillations prevention

AU - Andrievsky, Boris

AU - Kuznetsov, Nikolay

AU - Kuznetsova, Olga

AU - Leonov, Gennady

AU - Seledzhi, Svetlana

PY - 2016/9/29

Y1 - 2016/9/29

N2 - The pilot-induced oscillation (PIO) is denoted as unintended steady fluctuation of the piloted aircraft, generated due to the efforts of the pilot to control the aircraft. The main non-linear factor leading to the PIO is, generally, rate limitations of the aircraft control surfaces, resulting in a delay in the response of the aircraft to pilot commands. Due to the tight relationship between magnitude and phase frequency responses for linear systems, applicability of the linear compensator for mentioned aim is highly restricted. This leads to the idea of employing the nonlinear phase shift compensator. In the control theoretic literature, various nonlinear corrective devices (NCD) are elaborated, which make it possible to change the phase-frequency and amplitude-frequency responses independently on each other. In the paper, a novel phase shift compensator based on nonlinear correction technique is presented and numerical comparative study for two models of a pilot for PIO prevention during the flight is given. The results obtained demonstrate that the proposed method in several times increases the admissible gain of the 'airplane-pilot' loop as compared with non-corrected system.

AB - The pilot-induced oscillation (PIO) is denoted as unintended steady fluctuation of the piloted aircraft, generated due to the efforts of the pilot to control the aircraft. The main non-linear factor leading to the PIO is, generally, rate limitations of the aircraft control surfaces, resulting in a delay in the response of the aircraft to pilot commands. Due to the tight relationship between magnitude and phase frequency responses for linear systems, applicability of the linear compensator for mentioned aim is highly restricted. This leads to the idea of employing the nonlinear phase shift compensator. In the control theoretic literature, various nonlinear corrective devices (NCD) are elaborated, which make it possible to change the phase-frequency and amplitude-frequency responses independently on each other. In the paper, a novel phase shift compensator based on nonlinear correction technique is presented and numerical comparative study for two models of a pilot for PIO prevention during the flight is given. The results obtained demonstrate that the proposed method in several times increases the admissible gain of the 'airplane-pilot' loop as compared with non-corrected system.

KW - Actuator modeling

KW - Compensator

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KW - Oscillations

KW - Phase shift

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KW - Rate limitations

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DO - 10.1109/EMS.2015.43

M3 - Conference contribution

AN - SCOPUS:84994626867

T3 - Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation

SP - 225

EP - 231

BT - Proceedings - EMS 2015

A2 - Romero, Gregorio

A2 - Orsoni, Alessandra

A2 - Al-Dabass, David

A2 - Pantelous, Athanasios

PB - Institute of Electrical and Electronics Engineers Inc.

ER -

Andrievsky B, Kuznetsov N, Kuznetsova O, Leonov G, Seledzhi S. Nonlinear phase shift compensator for pilot-induced oscillations prevention. In Romero G, Orsoni A, Al-Dabass D, Pantelous A, editors, Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation. Institute of Electrical and Electronics Engineers Inc. 2016. p. 225-231. 7579833. (Proceedings - EMS 2015: UKSim-AMSS 9th IEEE European Modelling Symposium on Computer Modelling and Simulation). https://doi.org/10.1109/EMS.2015.43