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Machines
Special Issues
Advanced Technologies in Vibration Control Methods
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Advanced Technologies in Vibration Control Methods

A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Automation and Control Systems".

Deadline for manuscript submissions: closed (15 September 2023) | Viewed by 3650

Special Issue Editors

Dr. Biao Xiang

E-Mail Website
Guest Editor
School of Mechano-Electronic Engineering, Xidian University, Xi’an 710071, China
Interests: vibration measurement; active vibration control; magnetic suspension technology; signal processing
Special Issues, Collections and Topics in MDPI journals
Dr. Wai On Wong

E-Mail Website
Guest Editor
Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hongkong, China
Interests: vibration absorber; laser measurement; optimal design; vibration control
Special Issues, Collections and Topics in MDPI journals
Dr. Hu Liu

E-Mail Website
Guest Editor
School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing 100191, China
Interests: servo control technique; active vibration control; digital signal processing; sensor technology

Special Issue Information

Dear Colleagues,

Vibration control has been widely used in many fields, such as high-speed rotating machines, vehicles and precision machinery. Advanced technologies in vibration control and vibration isolation have become increasingly important in mechanical engineering and the civil engineering. This Special Issue is focused on novel measurement instruments, effective analysis methods and advanced control methods of vibration in both mechanical and civil engineering. We invite the submission of the latest high-quality contributions covering advanced developments in measurement systems, analysis methods and control theory of vibration, including but not limited to the following technical areas: active vibration control, passive vibration control, vibration isolation, vibration measurement, signal processing of vibration energy harvesters.

Dr. Biao Xiang
Dr. Wai On Wong
Dr. Hu Liu
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. Machines is an international peer-reviewed open access monthly 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

  • active vibration control
  • passive vibration control
  • vibration isolation
  • vibration measurement
  • signal processing of vibration energy harvesters

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Published Papers (1 paper)

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Research

21 pages, 7812 KiB  
Article
A Hybrid Damper with Tunable Particle Impact Damping and Coulomb Friction
by Muhammad Ayaz Akbar, Wai-On Wong and Emiliano Rustighi
Machines 2023, 11(5), 545; https://doi.org/10.3390/machines11050545 - 11 May 2023
Cited by 8 | Viewed by 3214
Abstract
A particle impact damper (PID) dissipates the vibration energy of a structure through impacts within the damper. The PID is not commonly used in practice mainly because of its low damping-to-mass ratio and the difficulty in achieving its optimal design due to its [...] Read more.
A particle impact damper (PID) dissipates the vibration energy of a structure through impacts within the damper. The PID is not commonly used in practice mainly because of its low damping-to-mass ratio and the difficulty in achieving its optimal design due to its nonlinear characteristics. In contrast, a Coulomb friction damper (FD) can offer a higher damping force-to-mass ratio than other dampers, but it is also difficult to be controlled precisely due to its nonlinear characteristics and excessive frequency sensitivity regarding the resonant frequency. This paper examines a hybrid damper by combining a particle impact damper and a Coulomb friction damper (PID + FD) theoretically and experimentally. A theoretical model of the proposed damper is developed and tested numerically on a single-degree-of-freedom (SDOF) structure. The predicted results are validated by experimental tests on a prototype of the proposed damper. The damping force provided by the FD in the prototype can be varied by adjusting the normal force applied through a compression spring, while the vibration energy dissipation by the PID can be varied by changing the cavity size of the PID. A parametric analysis of the proposed hybrid damper has been performed. The proposed hybrid damper can reduce the maximum vibration amplitude of the SDOF primary structure by 66% and 43% compared with using the FD and PID only. The proposed damper is found to be effective over a wide range of excitation frequencies. Furthermore, the proposed hybrid damper achieves a similar vibration suppression performance to the traditional tuned mass damper (TMD) of a similar mass ratio. The proposed damper does not require an optimally tuned natural frequency and damping, unlike the TMD, and therefore it does not have the detuning problem associated with the TMD. In addition, the performance of the proposed damper is tested and compared with the TMD for random earthquake excitation data. Consequently, the proposed hybrid damper may be a simpler and better alternative to the TMD in passive vibration control applications. Full article
(This article belongs to the Special Issue Advanced Technologies in Vibration Control Methods)
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