Application of Taguchi method to robust design of acoustic performance in IMT-2000 mobile phones

This paper describes an approach to design of acoustic devices, such as microspeaker and dynamic receiver, considering the acoustic characteristics improvement in IMT-2000 mobile phones. The analysis of a newly designed microspeaker considering mechanical, electrical, and magnetic coupling effects i...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2005-05, Vol.41 (5), p.1900-1903
Main Authors: Gun-Yong Hwang, Sang-Moon Hwang, Hong-Joo Lee, Ji-Hoon Kim, Keum-Shik Hong, Lee, W.-Y.
Format: Article
Language:English
Subjects:
Acoustic applications
Acoustic characteristics
Acoustic devices
Acoustics
Cell phones
coupling
Couplings
Cross-disciplinary physics: materials science
rheology
Design engineering
Design methodology
Exact sciences and technology
Finite element method
Finite element methods
IMT-2000
Magnetic analysis
Magnetism
Materials science
Mathematical analysis
Mathematical models
microspeaker
Mobile handsets
Orthogonal arrays
Other topics in materials science
Performance analysis
Physics
Robustness
SPL
Taguchi method
Taguchi methods
US Department of Energy
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Summary:This paper describes an approach to design of acoustic devices, such as microspeaker and dynamic receiver, considering the acoustic characteristics improvement in IMT-2000 mobile phones. The analysis of a newly designed microspeaker considering mechanical, electrical, and magnetic coupling effects is performed using the finite-element method (FEM) and its validity is confirmed as well by experiments. Also, a statistical approach is suggested to identify a certain relationship between a mobile phone and a newly designed microspeaker. The approach is based on the Taguchi method and utilizes the orthogonal array for design of experiments (DOE). The concept of signal-to-noise (S/N) ratio is applied to evaluate the acoustic performance in mobile phones.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2005.846255