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http://dx.doi.org/10.5050/KSNVN.2003.13.5.364

Optimal Design of a Flextensional Transducer Considering All the Cross-coupled Effects of the Design Variables  

강국진 (경북대학교 센서공학과)
노용래 (경북대학교 기계공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.13, no.5, 2003 , pp. 364-374 More about this Journal
Abstract
The performance of an acoustic transducer is determined by the effects of many design variables. and mostly the influences of these design variables are not linearly independent of each other To achieve the optimal performance of an acoustic transducer, we must consider the cross-coupled effects of the design variables. In this study with the FEM. we analyzed the variation of the resonance frequency and sound pressure of a flextensional transducer in relation to Its design variables. Through statistical multiple regression analysis of the results, we derived functional forms of the resonance frequency and sound pressure in terms of the design variables, and with which we determined the optimal structure of the transducer by means of a constrained optimization technique, SQP-PD. The proposed method can reflect all the cross-coupled effects of multiple design variables, and can be utilized to the design of general acoustic transducers.
Keywords
Cross-coupled Effects; Flextensional Transducer; Optimal Design; FEA; Design of Experiments;
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