On elimination of chaotic behavior in a non-ideal portal frame structural system, using both passive and active controls

被引：45

作者：

Tusset, Angelo Marcelo ^{[1
,2
]}

Balthazar, Jose Manoel ^{[3
]}

Palacios Felix, Jorge Luis ^{[4
]}

机构：

[1] UTFPR, BR-20840162 Ponta Grossa, PR, Brazil

[2] Dept Engn Sci, BR-20840162 Ponta Grossa, PR, Brazil

[3] UNESP Rio Claro, Dept Stat Appl Math & Computat DEMAC, Rio Claro, SP, Brazil

[4] UNIPAMPA, Bage Bage, RS, Brazil

来源：

JOURNAL OF VIBRATION AND CONTROL | 2013年 / 19卷 / 06期

基金：

巴西圣保罗研究基金会;

关键词：

MR damper; non-ideal systems; nonlinear dynamics; SDRE control; ENERGY-TRANSFER; OSCILLATORS; DAMPER;

D O I：

10.1177/1077546311435518

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this paper, an application is considered of both active and passive controls, to suppression of chaotic behavior of a simple portal frame, under the excitation of an unbalanced DC motor, with limited power supply (non-ideal problem). The adopted active control strategy consists of two controls: the nonlinear (feedforward) in order to keep the controlled system in a desirable orbit, and the feedback control, which may be obtained by considering state-dependent Riccati equation control to bringing the system into the desired orbit using a magneto rheological (MR) damper. To control the electric current applied in control of the MR damper the Bouc-Wen mathematical model was used to the MR damper. The passive control was obtained by means of a nonlinear sub-structure with properties of nonlinear energy sink. Simulations showed the efficiency of both the passive control (energy pumping) and active control strategies in the suppression of the chaotic behavior.

引用

页码：803 / 813

页数：11

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