Special Issue "Sensors, Actuators and Methods in Active Noise and Vibration Control"

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

Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 3398

Special Issue Editors

Prof. Dr. Lucyna Leniowska
E-Mail Website
Guest Editor
College of Natural Sciences, University of Rzeszow, Al. Rejtana 16c, 35-959 Rzeszow, Poland
Interests: active noise and vibration control; mathematical modeling; vibration of plates and shells; fluid–structure interaction; signal processing applications; sensors and actuators in vibration control; control algorithm applications
Prof. Dr. Dariusz Bismor
E-Mail Website
Guest Editor
Department of Measurements and Control Systems, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Science and Technology, 44-100 Gliwice, Poland
Interests: signal processing; active control of sound; system identification; adaptive control; sensors; modeling; data analysis
Prof. Dr. Marek Pawełczyk
E-Mail Website
Guest Editor
Silesian University of Technology, Department of Measurements and Control Systems, Akademicka 16, 44-100 Gliwice, Poland
Interests: noise and vibration control; structural control; signal processing; optimization; modeling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is our pleasure to invite you to contribute to this Special Issue by submitting the results of your research within the domain of active noise and vibration control. Active control of sound and vibration has attracted a lot of attention in the past few decades and is now widening its scope of applications in our life. The need to reduce noise/vibration is a frequent problem encountered in mechanical and electromechanical devices, having applications in aerospace, robotics, industrial processes, as well as in home and professional appliances. It is well known that most control law design methods require an explicit mathematical model of the system to be controlled, and the problem of confidence in enough fidelity of dynamic models of structures is very important for system performance. However, real applications require dedicated sensors and actuators as well as methods and algorithms which are not only advanced enough for this difficult task, but also robust to different changes and factors. All papers reporting both theoretical and experimental techniques to develop any active control method for noise and/or vibration attenuation are welcome.

Prof. Dr. Lucyna Leniowska
Prof. Dr. Dariusz Bismor
Prof. Dr. Marek Pawełczyk
Guest Editors

Manuscript Submission Information

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Keywords

  • Active noise control
  • Active vibration control
  • Algorithms for active control
  • Sensors and actuators for noise/vibration control
  • Sensors and actuators location in active control

Published Papers (5 papers)

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Research

Article
Development of Active Microvibration Isolation System for Precision Space Payload
Appl. Sci. 2022, 12(9), 4548; https://doi.org/10.3390/app12094548 - 30 Apr 2022
Viewed by 363
Abstract
In this study, an active microvibration isolation system is developed for precision space payload. Vibrational environment affects the performance and reliability of measuring instruments. To improve the measurement accuracy of the precision space payload, an active vibration isolation system based on eight vibration [...] Read more.
In this study, an active microvibration isolation system is developed for precision space payload. Vibrational environment affects the performance and reliability of measuring instruments. To improve the measurement accuracy of the precision space payload, an active vibration isolation system based on eight vibration isolation modules, which are applied for microvibration isolation on the satellite, is designed. A vibration suppression control strategy for multiple degrees of freedom is studied. A hybrid control method involving a feedback and a feedforward controller based on a nonlinear tracking differentiator and an nth-order weak integrator, respectively, was adopted to optimize the suppression effect of microvibration. As a result, the microvibration of the order of mg can be reduced to the order of μg through the active control of modules. Research experiment results show that the root cumulative power spectral density of the systemic sensitive frequency band in the range of 0.5–200 Hz, i.e., microvibration frequency band in the optical reference cavity, has been reduced to in the order of μg in three directions, which satisfied the requirements of aerospace engineering. Full article
(This article belongs to the Special Issue Sensors, Actuators and Methods in Active Noise and Vibration Control)
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Article
Control of Flexible Robot by Harmonic Functions
Appl. Sci. 2022, 12(7), 3604; https://doi.org/10.3390/app12073604 - 01 Apr 2022
Cited by 1 | Viewed by 426
Abstract
This work deals with the control of flexible structures as underactuated systems. The invariant control method performs the control of a flexible robot as a representative of an underactuated system with zero dynamics. The control input is separated into two parts. The arbitrary [...] Read more.
This work deals with the control of flexible structures as underactuated systems. The invariant control method performs the control of a flexible robot as a representative of an underactuated system with zero dynamics. The control input is separated into two parts. The arbitrary part of the control input is designed to control the directly actuated part of the dynamic system. The invariant part of the control is selected to steer the system zero dynamics in the desired way. The harmonic functions create the base for the invariant part of the control function. The residual vibration cancellation is the target of the presented invariant control strategy. The harmonic function frequencies are overtaken from the so-called natural motion, amplitudes are the results of the optimization process. The main target of this paper is to show the invariant control approach and its application to the system with flexible elements. Full article
(This article belongs to the Special Issue Sensors, Actuators and Methods in Active Noise and Vibration Control)
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Article
An Adaptive Method for Reducing Vibrations of Circular Plates with Recursive Identification
Appl. Sci. 2022, 12(5), 2723; https://doi.org/10.3390/app12052723 - 06 Mar 2022
Viewed by 456
Abstract
The article presents an adaptive control procedure based on the online recursive identification of the best estimated model of plate bending vibration for vibration cancelation. The test object was a thin, circular aluminum plate, clamped at the edge, with MFC actuator and a [...] Read more.
The article presents an adaptive control procedure based on the online recursive identification of the best estimated model of plate bending vibration for vibration cancelation. The test object was a thin, circular aluminum plate, clamped at the edge, with MFC actuator and a velocity feedback signal. The sensor signal was collected using the non-contact laser measurement method. The system model of the plate was identified online using identification technique based on auto-regressive with exogenous input model. The control law was designed by the pole placement method solving the Diophantine equation. The adaptive controller we designed was implemented and tested on a real-time platform—PowerDAQ with an xPC Target environment. The results presented in the article confirm the correct operation of the adaptive controller and the reduction of vibrations in a fairly wide frequency band while maintaining a relatively low order of the system model. Full article
(This article belongs to the Special Issue Sensors, Actuators and Methods in Active Noise and Vibration Control)
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Article
Investigation of Controllable Modes in Active Vibration Cancellation Induced by Piezoelectric Patches
Appl. Sci. 2021, 11(12), 5542; https://doi.org/10.3390/app11125542 - 15 Jun 2021
Viewed by 554
Abstract
Piezoelectric (PZT) patches are widely preferred for actuators and sensors for achieving active vibration cancellation (AVC). When PZT actuators and sensors are placed at the region of maximum strain energy for structural modes, there are still uncontrollable and controllable modes in the actual [...] Read more.
Piezoelectric (PZT) patches are widely preferred for actuators and sensors for achieving active vibration cancellation (AVC). When PZT actuators and sensors are placed at the region of maximum strain energy for structural modes, there are still uncontrollable and controllable modes in the actual application. When an uncontrollable mode is excited, the structural vibration problem may not be solved by AVC, and may even be aggravated. However, a few studies have specifically targeted this problem. In this study, the controllable modes of a plate with free boundaries are investigated to ensure the AVC effect. To specify the controllable modes in advance, a criterion for controllable modes is proposed. The proposed criterion is firstly obtained by defining the ratio of the open-loop and closed-loop energies of AVC, and then simplified by considering the dominating modes. Corresponding simulations and experiments are conducted on a smart plate consisting of PZT patches to verify the correctness of the theoretical analysis. Results show that the proposed criterion is reliable to specify the controllable modes. The vibration response of the plate is significantly attenuated at the selected controllable mode, and conversely enlarged at a specified uncontrollable mode. It is verified that controllable modes can be effectively predicted by the proposed criterion, which promotes the application of AVC. Full article
(This article belongs to the Special Issue Sensors, Actuators and Methods in Active Noise and Vibration Control)
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Article
Semi-Active Control for a Helicopter with Multiple Landing Gears Equipped with Magnetorheological Dampers
Appl. Sci. 2021, 11(8), 3667; https://doi.org/10.3390/app11083667 - 19 Apr 2021
Cited by 2 | Viewed by 744
Abstract
Due to their extensive use in various applications, helicopters need to be able to land in a variety of conditions. Typically, a helicopter landing gear system with skids or passive wheel-dampers is designed based on only one critical touchdown condition. Thus, this helicopter [...] Read more.
Due to their extensive use in various applications, helicopters need to be able to land in a variety of conditions. Typically, a helicopter landing gear system with skids or passive wheel-dampers is designed based on only one critical touchdown condition. Thus, this helicopter landing gear system may not perform well in different landing conditions. A landing gear system with magnetorheological (MR) dampers would be a promising candidate to solve this problem. However, a semi-active controller must be designed to determine the electrical current applied to the MR damper to directly manage the damping force. This paper presents a new skyhook controller, called the skyhook extended controller, for a helicopter with multiple landing gears equipped with MR dampers to reduce the helicopter’s acceleration at the center of gravity in off-normal landing attitude conditions. A 9-DOF simulation model of a helicopter with multiple MR landing gears was built using RECURDYN. To verify the effectiveness of the proposed controller, co-simulations were executed with RECURDYN and MATLAB in different initial pitch and roll angles at touchdown. The main simulation results show that the proposed controller can greatly decrease the peak and rms acceleration of the helicopter’s center of gravity compared to a traditional skyhook controller and passive damper. Full article
(This article belongs to the Special Issue Sensors, Actuators and Methods in Active Noise and Vibration Control)
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