Zobrazeno 1 - 10
of 94
pro vyhledávání: '"S. Nima Mahmoodi"'
Publikováno v:
Volume 8: 16th International Conference on Micro- and Nanosystems (MNS).
In this paper, the experimental flexural-torsional forced vibration of a piezoelectric double-cantilever structure is studied and compared with analytical results. The structure of interest consists of two uniform and identical Euler-Bernoulli cantil
Autor:
Michael Z. Hu, Autumn Taylor, Jason E. Bara, Nicole Serwinowski, Milad Rabbani Esfahani, Matthew P. Confer, S. Nima Mahmoodi, Negin Koutahzadeh, Zane Joseph Parkerson, Amirsalar R. Esfahani, Irshad Kammakakam
Publikováno v:
ACS Sustainable Chemistry & Engineering. 8:4225-4235
The waste fiber byproduct of the bamboo construction industry was used as the sustainable feedstock for the fabrication of cellulose-based membranes using 1-butyl-3-methylimidazolium chloride [C4mi...
Publikováno v:
Journal of Vibration and Acoustics. 144
In this paper, the forced coupled flexural–torsional vibration of a piezoelectrically actuated double-cantilever structure is investigated. The double-cantilever structure is composed of two uniform and identical Euler–Bernoulli cantilever beams
Autor:
S. Nima Mahmoodi, Anahita Zargarani
Publikováno v:
Journal of Vibration and Acoustics. 144
This paper aims to investigate the free coupled flexural–torsional vibrations of a double-cantilever structure. The structure consists of two identical Euler–Bernoulli cantilever beams with a piezoelectric layer on top. The beams are connected by
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
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
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
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
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
Publikováno v:
Volume 3: Modeling and Validation; Multi-Agent and Networked Systems; Path Planning and Motion Control; Tracking Control Systems; Unmanned Aerial Vehicles (UAVs) and Application; Unmanned Ground and Aerial Vehicles; Vibration in Mechanical Systems; Vibrations and Control of Systems; Vibrations: Modeling, Analysis, and Control.
This paper studies the vibration damping characteristics of a magnetorheological (MR) damper. A single-degree-of-freedom vibration isolation system with pedestal motion containing MR dampers has been experimentally investigated. Results show that the