Regular and chaotic vibration in a piezoelectric energy harvester with fractional damping

J Cao, A Syta, G Litak, S Zhou, DJ Inman… - The European Physical …, 2015 - Springer
We examine a vibrational energy harvester consisting of a mechanical resonator with a
fractional damping and electrical circuit coupled by a piezoelectric converter. By comparing …

A novel fractional-order model and controller for vibration suppression in flexible smart beam

CI Muresan, S Folea, IR Birs, C Ionescu - Nonlinear Dynamics, 2018 - Springer
Vibration suppression represents an important research topic due to the occurrence of this
phenomenon in multiple domains of life. In airplane wings, vibration can cause discomfort …

Vibration suppression with fractional-order PIλDμ controller

IR Birs, CI Muresan, S Folea, O Prodan… - … on automation, quality …, 2016 - ieeexplore.ieee.org
Cantilever beams have an important role in day to day life in bridges, towers, buildings and
aircraft wings, making active vibration suppression a highly researched field. The purpose of …

[HTML][HTML] An experimental tuning approach of fractional order controllers in the frequency domain

I Birs, S Folea, O Prodan, E Dulf, C Muresan - Applied Sciences, 2020 - mdpi.com
Fractional calculus has been used intensely in recent years in control engineering to extend
the capabilities of the classical proportional–integral–derivative (PID) controller, but most …

[PDF][PDF] Pade approximation for time delay systems and a new design method for the fractional order PI controller

MM Ozyetkin, D Astekin - Journal of the Faculty of Engineering …, 2022 - scholar.archive.org
Purpose: The aim of this study is to design FO-PI controller for time delay systems using the
centroid of the convex stability region method based on the stability boundary locus. The …

[HTML][HTML] A comparison between integer and fractional order PD controllers for vibration suppression

IR Birs, CI Muresan, S Folea, O Prodan - Applied Mathematics and …, 2016 - sciendo.com
Along the years, unwanted vibrations in airplane wings have led to passenger discomfort. In
this study, the airplane wing is modeled as a cantilever beam on which active vibration …

[HTML][HTML] Variation of fraction in fopid controller for vibration control of Euler–Bernoulli beam

M Ali, MW Khan, M Abid, AU Rehman - SN Applied Sciences, 2020 - Springer
Fractional-order derivatives and integrals have gained serious attention by the researchers
in past few decades. It has been observed that fractional calculus is more suitable in …

[HTML][HTML] An optimized fractional order PID controller for suppressing vibration of AC motor

H Zhao, W Deng, X Yang, X Li, C Dong - Journal of Vibroengineering, 2016 - extrica.com
Fractional order Proportional-Integral-Derivative (PID) controller is composed of a number of
integer order PID controllers. It is more accurate to control the complex system than the …

Evaluation of the robustness performanceof a fuzzy logic controller foractive vibration control of a piezo-beam via tip mass location variation

ER Şenöz - 2019 - open.metu.edu.tr
This thesis presents a study in which a robust Fuzzy Logic Controller (FLC) is designed to
suppress both free and the first resonance of a piezo-beam even if the position of the tip …

Experimental results of a fractional order PDλ controller for vibration suppresion

CI Muresan, IR Birs, S Folea, EH Dulf… - … Conference on Control …, 2016 - ieeexplore.ieee.org
Vibration occurs in numerous important domains, such as the aerospace industry, and has
negative effects since it can limit the life span of the devices, cause malfunctioning or even …