The vibration of the aircraft when taxing, landing, and taking off is a great problem. Vibration induced due to the dynamic interaction of aircraft with the ground causes serious problems. Therefore, the vibration should be reduced or completely absorbed if possible by some external means. So, in this study active vibration control of an aircraft LG is investigated. The equation of motion of the aircraft LG system is obtained by Newton’s second law and simulated in MATLAB/Simulink environment. Two different controllers are fitted to the landing gear system. Proportional, integral derivative (PID) and Linear Quadratic Regulator (LQR) controllers are used in controlling active suspension structure. In the study, vertical displacement and acceleration of the fuselage are set as objective since it has harmful effects on the performance of the pilot’s capability. Simulation is run under B grade road and bump road for passive and active systems simultaneously. The performance of controllers is compared to one another and also with that of a passive system. From the results, it was obtained that under bump road excitation, LQR and PID controllers make 57.32% and 53.34% improvement in fuselage displacement, respectively. Similarly, under B Grade road, compared to passive systems LQR and PID controllers improve the vertical acceleration of the fuselage by 92.86% and 53.55% respectively.


    Access

    Download


    Export, share and cite



    Title :

    Active Vibration Control of Landing Gear System


    Contributors:


    Publication date :

    2024




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




    LANDING GEAR VIBRATION ABSORBER AND METHOD OF OPERATING SAID LANDING GEAR VIBRATION ABSORBER

    RAMMER RAPHAEL / ZNIKA PETER | European Patent Office | 2016

    Free access

    Semi-Active Vibration Control of Landing Gear Using Magneto-Rhelological Dampers

    Ya, Hao / Liu, Wei / Shi, Wenku | SAE Technical Papers | 2011



    ADJUSTABLE LANDING GEAR VIBRATION SUPPRESSION

    NING JAMES YUAN-CHERN | European Patent Office | 2017

    Free access

    Active landing gear damper

    BIRCHETTE TERRENCE S / BOLUKBASI AKIF O | European Patent Office | 2020

    Free access