Article (Scientific journals)
H∞ tuning rules for positive position feedback controllers: the single-degree-of-freedom case and beyond
Dietrich, Jennifer; Raze, Ghislain; Deraemaeker, Arnaud et al.
2024In Journal of Vibration and Control
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Keywords :
Positive position feedback controller; Active control; Vibration mitigation; Equal-peak tuning
Abstract :
[en] This paper presents an exact H∞ tuning methodology for a positive position feedback (PPF) controller applied to a single-degree-of-freedom (SDOF) system. To this end, an equivalence between the closed-loop receptances of a PPF controller and a resistive-inductive shunt with a negative capacitance is put forward, which, in turn, enables us to adopt the existing shunt tuning rule in the active control case. The resulting tuning procedure is demonstrated using two numerical examples, namely an SDOF system and a finite element model of a cantilever beam. Based on the results obtained on the cantilever beam, it is shown that the influence of higher-frequency modes cannot be neglected to obtain effective vibration damping. The design procedure proposed for the PPF controller is then extended to this case and validated using an experimental cantilever beam.
Disciplines :
Aerospace & aeronautics engineering
Mechanical engineering
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Dietrich, Jennifer ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Raze, Ghislain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Deraemaeker, Arnaud;  ULB - Université Libre de Bruxelles [BE] > Building Architecture and Town Planning (BATir) Department
Collette, Christophe  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Active aerospace structures and advanced mechanical systems
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Language :
English
Title :
H∞ tuning rules for positive position feedback controllers: the single-degree-of-freedom case and beyond
Publication date :
2024
Journal title :
Journal of Vibration and Control
ISSN :
1077-5463
eISSN :
1741-2986
Publisher :
SAGE Publications, New York, United States - New York
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 May 2024

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