Simultaneous Active Damping and Health Monitoring of Aircraft Panels

Author:

Inman Daniel J.1,Ahmadian Mehdi2,Claus Richard O.3

Affiliation:

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

2. Advanced Vehicle Dynamics Laboratory, Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061

3. Fiber and Electro-Optics Research Center, Departments of Electrical and Computer Engineering and of Materials Science and Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061

Abstract

The concept of using the same hardware to perform both structural health monitoring and control simultaneously is explored. Aircraft panels often require damping treatments in order to reduce fatigue. At the same time, manufacturers are starting to use health monitoring as a basis for maintenance. Here, an example of doing simultaneous health monitoring and control on a sample plate is presented as experimental evidence that both functions can be performed with the same set of hardware. In this case, smart materials, a piezoceramic patch (PZT) and a fiber optic sensor, are used as the common hardware.

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Materials Science

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