Semi-active vibration control of two flexible plates using an innovative joint mechanism

Hu, Wei; Gao, Yun‐Jie; Yang, Bintang

doi:10.1016/j.ymssp.2019.05.034

Cited by 29 publications

(15 citation statements)

References 30 publications

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“…Various novel semi-active torsional vibration damping devices and active torsional vibration damping devices have been designed, fabricated and tested, and have been adopted in various torsional transmission systems for torsional vibration control. Hu et al 4,5 proposed an electro-permanent-magnet driving joint mechanism and a new methodology for semi-active technique of joint variable stiffness control to suppress the low-frequency vibration of flexible jointed appendages, and verified its effectiveness through experiments. Williams et al 6 used shape memory alloys as a variable stiffness core component and proposed a novel semi-active variable stiffness vibration absorber.…”

Section: Introductionmentioning

confidence: 99%

Semi-active vibration control of a transmission system using a magneto-rheological variable stiffness and damping torsional vibration absorber

Dong

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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In this research effort, an innovative magneto-rheological variable stiffness and damping torsional vibration absorber (MR-VSDTVB) is proposed, and independent variable damping control and independent variable stiffness control are adopted to suppress the torsional vibration of the transmission system. MR-VSDTVB, based on semi-active control principle, exhibits a compact structure and integrates with magneto-rheological technology. First, the concept of MR-VSDTVB is discussed, and the output torque characteristic of MR-VSDTVB is analytically developed. Then, a prototype is fabricated and tested. A transmission system with MR-VSDTVB is proposed to verify the MR-VSDTVB's effectiveness. The structure and inherent characteristics of the transmission system are analyzed theoretically. Finally, an experimental setup of transmission system with MR-VSDTVB is built. Experimental results indicate that when torsional stiffness of MR-VSDTVB changes, a frequency shift phenomenon occurs; moreover, when torsional damping of MR-VSDTVB changes, the response amplitude of the experimental setup changes regularly; And finally, the on-off control test validates the effectiveness of semi-active control on the torsional vibration suppression of the transmission system. The above results verify the effectiveness of MR-VSDTVB in suppressing the torsional vibration of the transmission system. These findings are expected to expand the application of magneto-rheological technology and variable stiffness and variable damping technology in torsional vibration of transmission systems.

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Section: Introductionmentioning

confidence: 99%

Semi-active vibration control of a transmission system using a magneto-rheological variable stiffness and damping torsional vibration absorber

Dong

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…The aim of this work is to design a hybrid temporal-spatial differential controller, which is derived by applying Lyapunov’s direct method and linear matrix inequality (LMI) technology. Compared with the existing results, this paper has potentially achieved the following contributions: a) The proposed control design approach is based on the original Euler-Bernoulli beam model, which can overcome the deficiency of discretized system, 24,25,27 such as, nonlinear truncation order and spillover problem; b) In contrast to the distributed controller design results, 21,26 this paper presents a hybrid control strategy which is involved the spatial cooperation performance of actuators; c) Different with the boundary controller derived by LMI technology, 28–30 the hybrid controller can guarantee the stabilization of Euler-Bernoulli beam with in-domain and boundary actuators.…”

Section: Introductionmentioning

confidence: 99%

LMI-based hybrid temporal-spatial differential control design for a class of Euler-Bernoulli beam system

Zhong

Chen

Yuan

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part C:

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This paper addresses the problem of active vibration suppression for a class of Euler-Bernoulli beam system. The objective of this paper is to design a hybrid temporal-spatial differential controller, which is involved with the in-domain and boundary actuators, such that the closed-loop system is stable. The Lyapunov’s direct method is employed to derive the sufficient condition, which not only can guarantee the stabilization of system, but also can improve the spatial cooperation of actuators. In the framework of the linear matrix inequalities (LMIs) technology, the gain matrices of hybrid controller can obtained by developing a recursive algorithm. Finally, the effectiveness of the proposed methodology is demonstrated by applying a numerical simulation.

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“…Considering the fact that real mechanical systems always contain a certain level of flexibility, controller design and verification based on solely rigid model of a system may not lead to similar performance in real applications. Thus, the control problem of vibrational systems has become of great interest in recent studies 1–18 . These investigations are generally categorized into analytical and numerical approaches.…”

Section: Introductionmentioning

confidence: 99%

“…Control of vibrational systems are occasionally investigated from several aspects in existing literature: some researches are conducted based on controlling vibrational systems consisting of rigid bodies and lumped masses 3,4 . Another group is devoted to the problem of suppressing vibrations in continuum mechanics systems 5 . These researches are categorized into active vibration attenuation 6–10 using piezoelectric actuators or passive approaches through damping solutions like viscoelastic pads 11 or dampers 12 .…”

Section: Introductionmentioning

confidence: 99%

Controlling uncertain nonlinear structural vibrations of moving continuum system by embedding a vibration monitoring unit to feedback algorithm

Homaeinezhad

FotoohiNia

2020

Struct Control Health Monit

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This paper proposes a practical solution to control a problem of a class of continuum mechanics systems in which spatial equations corresponding to vibrational motions are not resolvable through conventional analytical approaches. Control scheme is constructed based on discrete sliding mode technique regarding a rigid model of a system such that control inputs are selected between Lyapunov stability bounds to manipulate the system in tracking reference values. The stability bounds and control input signal proximity to either bounds are updated in every simulation step in accordance to system vibration level using a practical acceleration synchronization method aside from evolution of rigid model states. To this end, the severity of vibrations is analyzed online using a limited number of acceleration sensors. These sensors are installed on critical nodes that are generally characterized with high level of vibrations, and the synchronization process is employed through comparative analysis with other nodes of which exhibit more rigidity within the structure. In order to highlight controller performance, virtual plant is assumed to be constructed from viscoelastic materials (VEMs) featuring timevarying elasticity and viscosity, and Prony series parameters are involved in modeling VEMs in ANSYS ® mechanical APDL student edition. Eventually, controller capability in stabilization of closed-loop system and tracking reference values are evaluated in finite element analysis transient environment, and simulation results are compared with those of existing methods.

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Semi-active vibration control of two flexible plates using an innovative joint mechanism

Cited by 29 publications

References 30 publications

Semi-active vibration control of a transmission system using a magneto-rheological variable stiffness and damping torsional vibration absorber

Semi-active vibration control of a transmission system using a magneto-rheological variable stiffness and damping torsional vibration absorber

LMI-based hybrid temporal-spatial differential control design for a class of Euler-Bernoulli beam system

Controlling uncertain nonlinear structural vibrations of moving continuum system by embedding a vibration monitoring unit to feedback algorithm

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