Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Ehsan Omidi"'
Autor:
S. Nima Mahmoodi, Ehsan Omidi
Publikováno v:
Journal of Intelligent Material Systems and Structures. 28:1428-1436
A new multi-piezoelectric microcantilever sensor is introduced in this article for replacing laser sensors in atomic force microscopes. This microcantilever consists of multiple piezoelectric layers over its surface, and a consensus algorithm is desi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8336b4b033adc826d21e91f9b33d511
https://doi.org/10.1177/1045389x16672594
https://doi.org/10.1177/1045389x16672594
Autor:
S. Nima Mahmoodi, Ehsan Omidi
Publikováno v:
Acta Mechanica Sinica. 32:925-934
A new nonlinear integral resonant controller (NIRC) is introduced in this paper to suppress vibration in nonlinear oscillatory smart structures. The NIRC consists of a first-order resonant integrator that provides additional damping in a closed-loop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b313100a11a86701ec467baf50bce25b
https://doi.org/10.1007/s10409-016-0577-z
https://doi.org/10.1007/s10409-016-0577-z
Autor:
S. Nima Mahmoodi, Ehsan Omidi
Publikováno v:
Journal of Sound and Vibration. 364:1-13
Integral Consensus Control (ICC) is proposed and implemented in this paper for the first time, as a novel approach for vibration control in distributed parameter flexible structures. The ICC consists of multiple parallel first-order lossy integrators
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43614ae9d1e812e73f178a03ca1b10d4
https://doi.org/10.1016/j.jsv.2015.11.020
https://doi.org/10.1016/j.jsv.2015.11.020
Autor:
Ehsan Omidi, S. Nima Mahmoodi
Publikováno v:
Journal of Vibration and Control. 24:60-72
This paper proposes a new leader–follower-based consensus vibration controller to actively suppress unwanted oscillations in distributed-parameter flexible structures. Actuation and sensing is performed via piezoelectric layers in a collocated sens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::925d4d65added2743eaf093e011d921f
https://doi.org/10.1177/1077546316631896
https://doi.org/10.1177/1077546316631896
Publikováno v:
Mechatronics. 33:23-33
This paper presents a novel controller for active vibration reduction in piezoelectric-actuated flexible structures. The new Multi Positive Feedback (MPF) control consists of two sections where each operates using a set of actuators. One section uses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80b21e2458d497a27830237c1e581d3f
https://doi.org/10.1016/j.mechatronics.2015.12.003
https://doi.org/10.1016/j.mechatronics.2015.12.003
Publikováno v:
BioResearch Open Access
BioResearch Open Access, Vol 4, Iss 1, Pp 374-388 (2015)
BioResearch Open Access, Vol 4, Iss 1, Pp 374-388 (2015)
To more closely mimic the native cellular microenvironment, 3D scaffolds derived from the extracellular matrix (ECM) are being developed as alternatives to conventional 2D culture systems. In the present study, we established methods to fabricate non
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3dfefd4bb0db7097416da48831082e00
https://doi.org/10.1089/biores.2015.0030
https://doi.org/10.1089/biores.2015.0030
Publikováno v:
ISA Transactions. 59:314-324
In this paper, a new Adaptive Fuzzy Predictive Sliding Mode Control (AFP-SMC) is presented for nonlinear systems with uncertain dynamics and unknown input delay. The control unit consists of a fuzzy inference system to approximate the ideal lineariza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::417d23f59d39b59187d95fb5866c2d46
https://doi.org/10.1016/j.isatra.2015.10.010
https://doi.org/10.1016/j.isatra.2015.10.010
Publikováno v:
Aerospace Science and Technology. 45:408-415
In this paper, an optimized positive feedback based control approach is developed for unwanted resonant vibration attenuation of flexible lightweight aerospace structures. A modified form of the positive velocity feedback control (MPVF) is implemente
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4642ff1210e265cc6dab73506c080500
https://doi.org/10.1016/j.ast.2015.06.012
https://doi.org/10.1016/j.ast.2015.06.012
Autor:
Ehsan Omidi, Nima Mahmoodi
Publikováno v:
IEEE/ASME Transactions on Mechatronics. 20:1790-1797
A new controller is introduced in this paper as a novel method for active vibration suppression in flexible structures. The hybrid positive feedback (HPF) uses a second- and a first-order compensator that are fed by the displacement and velocity feed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c06b117c0d025033946bed158a55e39c
https://doi.org/10.1109/tmech.2014.2354599
https://doi.org/10.1109/tmech.2014.2354599
Autor:
S. Nima Mahmoodi, Ehsan Omidi
Publikováno v:
Communications in Nonlinear Science and Numerical Simulation. 22:149-166
A new Nonlinear Integral Positive Position Feedback (NIPPF) approach and the Integral Resonant Control (IRC) method are implemented and analyzed for nonlinear vibration control. The performances of both controllers are compared to the Positive Positi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a097914f27c687e630bcf88ca4b485c3
https://doi.org/10.1016/j.cnsns.2014.10.011
https://doi.org/10.1016/j.cnsns.2014.10.011