Autor: Brasil, R. M. L. R. F. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: On suppression of chaotic motions of a portal frame structure under non-ideal loading using a magneto-rheological damper
Autorzy:: Tusset, A. M.
Piccirillo, V.
Balthazar, J. M.
Brasil, R. M. L. R. F.
Powiązania:: https://bibliotekanauki.pl/articles/281951.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: feedback control
feedforward control
MR damper
Opis:: We consider chaotic motions of a portal frame structure under non-ideal loading. To suppress this chaotic behavior, a controlling scheme is implemented. The control strategy involves application of two control signals and nonlinear feedforward control to maintain a desired periodic orbit, and state feedback control to bring the system trajectory into the desired periodic orbit. Additionally, the control strategy includes an active magneto-rheological damper to actuate the system. The control force of the damper is a function of the voltage applied in the coil of the damper that is based on the force given by the controller.
Źródło:: Journal of Theoretical and Applied Mechanics; 2015, 53, 3; 653-664
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: SDRE applied to position and vibration control of a robot manipulator with a flexible link
Autorzy:: Lima, J. J.
Tusset, A. M.
Janzen, F. C.
Piccirillo, V.
Nascimento, C. B.
Balthazar, J. M.
Brasil, R. M. L. R. F.
Powiązania:: https://bibliotekanauki.pl/articles/281764.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: SDRE control
flexible robotic arm
SMA
active vibration control
Opis:: This paper presents position and vibration control of a flexible robot composed of two rigid and one flexible links. Position is controlled by the current applied to the DC motor armature. To control vibrations of the flexible structure, Shape Memory Alloys (SMA) are used. Due to phase transformations, the SMA can change its stiffness through temperature variation, considering and taking advantage of this characteristic the vibration control is done. Control is achieved via the State Dependent Ricatti Equations (SDRE) technique, which uses suboptimal control and system local stability search. The simulation results show the feasibility of the proposed control for the considered system.
Źródło:: Journal of Theoretical and Applied Mechanics; 2016, 54, 4; 1067-1078
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Informacja