Towards and Embeddable Structural Health Monitoring Sensor

Released on by Anna Marie Mracek
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  • Towards and Embeddable Structural Health Monitoring Sensor Book Detail

  • Author : Anna Marie Mracek
  • Release Date : 2006
  • Publisher :
  • Genre :
  • Pages : 173
  • ISBN 13 :
  • File Size : 16,16 MB
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Towards and Embeddable Structural Health Monitoring Sensor by Anna Marie Mracek PDF Summary

Book Description: (Cont.) Untapered bimorph {3-1} Mode and unimorph {3-3} Mode MEMS devices with large proof masses, as well as tapered unimorph devices (both with and without proof masses) are studied and a 2- or 3-parameter geometric optimization is performed. Optimization objectives include power output, operating power density, static power density, and specific power with very different optimum device configurations favored for the different objectives. A {3-3} Mode MEMS unimorph device optimized for static power density is conservatively predicted to generate 1.9 mW/cm3 of electrical power. This optimization is presented graphically and the predicted performance of the optimum {3-3} Mode unimorph devices with proof masses is detailed. It is found that the optima occur within the micro-scale design space studied, suggesting that MEMS devices are the best choice for distributed aircraft vibrational energy harvesting. The optimization results presented are for one potential SHM vibration environment using cantilevered beam harvesters, however, the technique presented can be extended to other environments and other harvester geometries.

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Structural Health Monitoring

Structural Health Monitoring

File Size : 4,4 MB
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This book is organized around the various sensing techniques used to achieve structural health monitoring. Its main focus is on sensors, signal and data reducti