Stability Analysis of Open-loop Stiffness Control to Suppress Self-excited Vibrations-Reference-Cited by-同舟云学术

Stability Analysis of Open-loop Stiffness Control to Suppress Self-excited Vibrations

Published:2005-05 Issue:5 Volume:11 Page:643-669
ISSN:1077-5463
Container-title:Journal of Vibration and Control
language:en
Short-container-title:Journal of Vibration and Control

Author:

Makihara Kanjuro¹,Ecker Horst²,Dohnal Fadi³

Affiliation:

1. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-3-1 Yoshinodai, Sagamihara, Kanagawa, 229-8510, Japan

2. Institute of Mechanics and Mechatronics, Vienna University of Technology, Wiedner Hauptstrasse 8-10/E325/A3, A-1040 Vienna, Austria,

3. Institute of Mechanics and Mechatronics, Vienna University of Technology, Wiedner Hauptstrasse 8-10/E325/A3, A-1040 Vienna, Austria

Abstract

We present stability investigations on vibration cancelling employing three different types of variable-stiffness actuators. A two-mass system is considered, with a base mass attached to the ground and a top mass connected to the base mass. The top mass is subject to self-excitation forces. The stiffness of an actuator connecting the base mass and the ground may change with time, according to a predetermined control frequency, for cancelling vibrations. Numerical simulation is employed as the basic tool to investigate the system and to carry out parameter studies. The stability of the system is determined by calculating the eigenvalues of the state transition matrix. Robustness of the proposed methods for vibration cancelling is discussed with respect to various aspects.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Mechanics of Materials,Aerospace Engineering,Automotive Engineering,General Materials Science

Link

http://journals.sagepub.com/doi/pdf/10.1177/1077546305052314

Reference11 articles.

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