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Rocket Transducer

Rocket Transducer. Group 1/3 Patrick Morgan Lance Yoneshige May 6, 2004 Instructor: Bruce Liebert University of Hawaii at Manoa ME 401. Design. Assembly:. Design (Continued). Base:. Design (Continued). Beam:. Design (Continued). Design (Continued). Test Launch. Software Correction.

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Rocket Transducer

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  1. Rocket Transducer Group 1/3 Patrick Morgan Lance Yoneshige May 6, 2004 Instructor: Bruce Liebert University of Hawaii at Manoa ME 401

  2. Design • Assembly:

  3. Design (Continued) • Base:

  4. Design (Continued) • Beam:

  5. Design (Continued)

  6. Design (Continued)

  7. Test Launch

  8. Software Correction • Attenuation • Use of “Fired” & “Unfired” data • Cut-off Frequency • Input & Output Cut-off Frequency determined to be 22 Hz for 99%; 9 Hz for 95%.

  9. Results • Harmonic Characteristics • Fired Rocket • f_n = 56 Hz • z = 0.02 • Unfired Rocket • f_n = 45 Hz • z = 0.02

  10. Results (Continued)

  11. Results (Continued)

  12. Results (Continued) • Error with 95% of signal: • M(w_n) = 3.3%

  13. Questions? ? ?

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