Force Feedback in Adaptive Trusses for Vibration Isolation in Flexible Structures-Reference-Cited by-同舟云学术

Force Feedback in Adaptive Trusses for Vibration Isolation in Flexible Structures

Published:1997-09-01 Issue:3 Volume:119 Page:365-371
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

Clark W. W.¹,Robertshaw H. H.²

Affiliation:

1. Mechanical Engineering Department, University of Pittsburgh, Pittsburgh, PA 15261

2. Department of Mechanical Engineering, Center for Inteliigent Material Systems and Structures, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061

Abstract

This paper addresses the transmission of unwanted vibrations in flexible structures by actively minimizing dynamic forces seen at critical locations within the structure. An adaptive truss serves as an active interface between the two isolated sides of the structure, and force-feedback within individual links of the truss is the governing control law. The use of an adaptive truss allows the problem to be viewed as a set of localized control problems with collocated sensors and actuators. This paper first discusses the ideal capabilities of force feedback for active vibration isolation, and then presents the analytical and experimental results of a case study which shows significant reduction in transmitted vibrations.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/119/3/365/5628245/365_1.pdf

Reference15 articles.

1. Clark, W. W., Kimiavi B., and Robertshaw, H. H., 1989, “Control of Flexible Beams Using a Free-Free Active Truss,” Adaptive Structures, ASME, B. K. Wada, ed., pp. 61–68.

2. Fanson, J. L., and Caughey, T. K., 1987, “Positive Position Feedback Control for Large Space Structures,” Proceedings of the 28th Structures, Structural Dynamics, and Materials Conference, pp. 588–598.

3. Gevarter W. B. , 1970, “Basic Relations for Control of Flexible Vehicles,” AIAA Journal, Vol. 8, No. 4, pp. 666–672.

4. Goh C. J. , and CaugheyT. K., 1985, “On the stability problem caused by finite actuator dynamics in the collocated control of large space structures,” International Journal of Control, Vol. 41, No. 3, pp. 787–802.

5. Kaplow C. E. , and VelmanJ. R., 1980, “Active Local Vibration Isolation Applied to a Flexible Space Telescope,” AIAA Journal of Guidance and Control, Vol. 3, pp. 227–233.

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