Active Control of Nanodielectric-Induced THz Quasi-BIC in Flexible Metasurfaces: A Platform for Modulation and Sensing.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202100836
Abstract: A bound state in the continuum (BIC) is a nonradiating state of light embedded in the continuum of propagating modes providing drastic enhancement of the electromagnetic field and its localization at micro-nanoscale. However, access to… read more here.
Keywords: modulation; bic; quasi; control nanodielectric ... See more keywords
Topology optimization of piezoelectric curved shell structures with active control for reducing random vibration
Sign Up to like & getrecommendations! Published in 2019 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-019-02423-3
Abstract: This paper investigates topology optimization of the surface electrode coverage on piezoelectric sensor/actuator layers attached to a curved shell structure subjected to stationary random force excitation, with the aim to minimize the random vibration response… read more here.
Keywords: curved shell; topology; optimization; active control ... See more keywords
Application of smart electro-rheological dampers in semi-active control of electro-rheological sandwich plates with nanocomposite facesheets rested on orthotropic visco-Pasternak foundation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-019-1903-8
Abstract: In this research, semi-active control of sandwich plates with electro-rheological (ER) core and carbon nanotubes-reinforced composite facesheets using smart ER dampers is studied. Sandwich plate is subjected to the external electric field and rested on… read more here.
Keywords: sandwich plates; active control; electro rheological; semi active ... See more keywords
Active control of friction by transverse oscillations
Sign Up to like & getrecommendations! Published in 2019 at "Friction"
DOI: 10.1007/s40544-018-0202-1
Abstract: The present paper is devoted to a theoretical analysis of sliding friction under the influence of in-plane oscillations perpendicular to the sliding direction. Contrary to previous studies of this mode of active control of friction,… read more here.
Keywords: transverse oscillations; active control; friction; friction transverse ... See more keywords
Vehicle interior noise active control based on piezoelectric ceramic materials and improved fuzzy control algorithm
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.02.018
Abstract: Abstract An active control approach for interior noise of vehicle based on the piezoelectric ceramic materials and fuzzy control algorithm is presented in this paper. According to the electromechanical coupling characteristics and the positive/inverse mechanism… read more here.
Keywords: vehicle; control; active control; interior noise ... See more keywords
A 5-stage active control method with online secondary path modelling using decorrelated control signal
Sign Up to like & getrecommendations! Published in 2020 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2020.107252
Abstract: Abstract Time-varying primary and secondary paths in active control systems degrade the noise control performance. In this paper, a practical method is proposed for active control systems with online secondary path modelling using the decorrelated… read more here.
Keywords: method; path modelling; secondary path; path ... See more keywords
Active control of the dynamic density of acoustic metamaterials
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DOI: 10.1016/j.apacoust.2021.108001
Abstract: Abstract All attempts to develop acoustic metamaterials with prescribed characteristics are based on utilizing the concepts of resonance frequencies of the metamaterial cell structure or on the spatial arrangement of two-or multi-phase domains to realize… read more here.
Keywords: metamaterial cell; density; active control; acoustic metamaterials ... See more keywords
Controllability study of plasma vertical instability in HL-2M
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.06.002
Abstract: Abstract Plasma vertical instability control is achieved by passive stabilization from induced currents flowing in surrounding structures and by active control using magnetic coils. Both aspects are numerically investigated for the medium-size copper tokamak HL-2 M,… read more here.
Keywords: controllability study; vertical instability; control; active control ... See more keywords
Aeroelastic control of bridge using active control surfaces: Analytical and experiment study
Sign Up to like & getrecommendations! Published in 2020 at "Structures"
DOI: 10.1016/j.istruc.2020.08.035
Abstract: Abstract An active control using a control surface system with winglets is described herein. Winglets help a long suspension bridge reach a stable state of flutter and buffeting. This system ensures the aerodynamic stability of… read more here.
Keywords: aeroelastic control; bridge using; control; bridge ... See more keywords
A new in-processes active control method for reducing the residual stresses induced deformation of thin-walled parts
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2020.09.079
Abstract: Abstract It is usually deformed severely for thin-walled workpiece when the fixture is removed after machining, which is mainly caused by the redistribution of internal stress and machining induced residual stress (MIRS). Previous works have… read more here.
Keywords: fixture; deformation; process; residual stresses ... See more keywords
Dynamic structural modification of vibrating systems oriented to eigenstructure assignment through active control: A concurrent approach
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.02.036
Abstract: Abstract Eigenvalues and eigenvectors play a fundamental role in determining the dynamic behavior of a vibrating system. Thus, an important goal in vibration control is to modify the eigenstructure to match the design specifications. Feedback… read more here.
Keywords: system; eigenstructure assignment; control; approach ... See more keywords