1.
|
Consider a suitable piezoelectric or magnetostrictive
device, which can be optimized in its design by using ATILA
FEM software. Choose a device which has not been treated
in this course. |
1.a
|
Examples (not limited):
(1) Dot-ring type transformer - By changing
the center ring size (keeping the outer diameter of
the disk), how can we obtain the maximum electrical power?
(2) Metal-Tube motor - By changing the PZT plate
angle (different from the original 90 degree), how can
we increase the wobbling displacement?
(3) Cymbal Underwater transducer - By changing the metal
and/or piezoelectric ceramic thickness (keeping the outer
diameter of the cymbal), how can we increase the sound
power?
(4) Magnetostrictive and piezoelectric laminated film
- By changing the thickness ratio, how can we increase
the magneto-electric sensor sensitivity? |
3.
|
Discuss the obtained optimized value(s) from the physical/analytical
viewpoints. |
4.
|
Prepare the Power Point presentation file for the final
presentation exam purpose. 10 min presentation (7-10 slides)
including Background, Changing parameters, Simulation result,
and Summary/Conclusion. |
References:
(1) Laoratanakul, P., A. V. Carazo, P. Bouchilloux and K.
Uchino, “Unipolarized
Disk-type Piezoelectric Transformers,” Jpn. J. Appl.
Phys. 41, 1446-1450 (2002).
(2) Cagatay, S., B. Koc and K. Uchino, "Piezoelectric
Ultrasonic Micromotors for Mechatronic Applications," Proc.
9th Int'l Conf. New Actuators, A4.2, p. 132-134, Bremen, Germany,
June 14-16 (2004).
(3) Ryu, J., S. Priya, A. V. Carazo, K. Uchino, H.-E Kim, " Effect
of the Magnetostrictive Layer on Magnetoelectric Properties
in Pb(Zr,Ti)O3/Terfenol-D Laminate Composites", J. Am.
Ceram. Soc., 84, 2905-2908 (2001).