Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
4.5
2.7
Journals
Applied Sciences
Special Issues
Active and Passive Approaches to Vibration Control in Flexible Mechanical...
share announcement

Active and Passive Approaches to Vibration Control in Flexible Mechanical Systems

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: closed (25 January 2023) | Viewed by 5815

Special Issue Editors

Dr. Dario Richiedei

E-Mail Website
Guest Editor
Department of Management and Engineering, University of Padova, 36100 Vicenza, Italy
Interests: motion planning and control of mechatronics systems, robots, multibody systems, vibrating systems; dynamic structural modification and optimal design; dynamic modelling; state estimation
Special Issues, Collections and Topics in MDPI journals
Dr. Iacopo Tamellin

E-Mail Website
Guest Editor
Department of Management and Engineering, University of Padova, 36100 Vicenza, Italy
Interests: vibrating systems; dynamic structural modification; dynamic and control of mechatronic systems; multibody systems; underactuated systems; motion planning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Lightweight structures and mechanisms, that are often employed to reduce the overall mass, are severely affected by low frequency vibrational modes due to their inherent flexibility that degrade the system performances and can damage the system over the time. Therefore, active or passive control is crucial to compensate for such unwanted elastic behaviors and ensure long service life. The development of such approaches is still an open field of research, that is taking advantage of new actuating and sensing technologies, as well as of advanced computational methods.

I would like to invite you to contribute a paper for this Special Issue, which aims at collecting the most recent and cutting-edge developments on these relevant topics. Papers providing original results on theoretical studies, numerical or experimental applications, as well as extended state-of-the-art reviews on these topics and on those closely related, are welcomed.

Prof. Dr. Dario Richiedei
Dr. Iacopo Tamellin
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Flexible structures
  • Robots and multibody systems with flexible links or joints
  • Vibration control
  • Vibration absorption, confinement, and damping
  • Active control
  • Semi-active control
  • Pole assignment
  • Dynamic structural modification
  • Optimal design of flexible systems
  • Tuned Mass Damper

Published Papers (2 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

23 pages, 9515 KiB  
Article
Visual Servo Control of the Macro/Micro Manipulator with Base Vibration Suppression and Backlash Compensation
by Yaowen Zhang, Yechao Liu, Zongwu Xie, Yang Liu, Baoshi Cao and Hong Liu
Appl. Sci. 2022, 12(16), 8386; https://0-doi-org.brum.beds.ac.uk/10.3390/app12168386 - 22 Aug 2022
Cited by 3 | Viewed by 1731
Abstract
This study investigates the visual servo control of the space station macro/micro manipulator system. The proposed approach is based on the position-based eye-in-hand visual servo (PBVS) and takes advantage of the hardware sensors to overcome the macro manipulator’s base flexibility and joint backlash. [...] Read more.
This study investigates the visual servo control of the space station macro/micro manipulator system. The proposed approach is based on the position-based eye-in-hand visual servo (PBVS) and takes advantage of the hardware sensors to overcome the macro manipulator’s base flexibility and joint backlash. First, a vibration suppression approach based on the reaction force feedback control is proposed, the deflection forces are measured by the six-axis force/torque sensor at the base of the micro-manipulator, and damping is injected into the flexible base in the closed-loop control to suppress the base vibration. Second, the small changes of joint backlash are compensated based on the macro manipulator joint angles sensor and converted to the desired motion of the payloads. Finally, PBVS with the lag correction is proposed, which is adequate for the precise positioning of large payloads with significant low-frequency oscillations. Ground micro-gravity experiment implementation is discussed, simulations and experiments are carried out based on the equivalent 3-DOF flexible base manipulator system and the macro/micro manipulator ground facilities, and results demonstrate the effectiveness of the proposed control algorithm. Full article
(This article belongs to the Special Issue Active and Passive Approaches to Vibration Control in Flexible Mechanical Systems)
►▼ Show Figures

Figure 1

18 pages, 5990 KiB  
Article
Vibration Control of a Two-Link Flexible Robot Arm with Time Delay through the Robust Receptance Method
by José Mário Araújo, Jason Bettega, Nelson J. B. Dantas, Carlos E. T. Dórea, Dario Richiedei and Iacopo Tamellin
Appl. Sci. 2021, 11(21), 9907; https://0-doi-org.brum.beds.ac.uk/10.3390/app11219907 - 23 Oct 2021
Cited by 8 | Viewed by 2844
Abstract
This paper proposes a method for active vibration control to a two-link flexible robot arm in the presence of time delay, by means of robust pole placement. The issue is of practical and theoretical interest as time delay in vibration control can cause [...] Read more.
This paper proposes a method for active vibration control to a two-link flexible robot arm in the presence of time delay, by means of robust pole placement. The issue is of practical and theoretical interest as time delay in vibration control can cause instability if not properly taken into account in the controller design. The controller design is performed through the receptance method to exactly assign a pair of pole and to achieve a given stability margin for ensuring robustness to uncertainty. The desired stability margin is achieved by solving an optimization problem based on the Nyquist stability criterion. The method is applied on a laboratory testbed that mimic a typical flexible robotic system employed for pick-and-place applications. The linearization assumption about an equilibrium configuration leads to the identification of the local receptances, holding for infinitesimal displacements about it, and hence applying the proposed control design technique. Nonlinear terms, due to the finite displacements, uncertainty, disturbances, and the coarse encoder quantization, are effectively handled by embedding the robustness requirement into the design. The experimental results, and the consistence with the numerical expectations, demonstrate the method effectiveness and ease of application. Full article
(This article belongs to the Special Issue Active and Passive Approaches to Vibration Control in Flexible Mechanical Systems)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-2
Back to TopTop