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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/18544


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/18544


    Title: The Impedance-Matching Design and Simulation on High Power Elctro-Acoustical Transducer
    Authors: 陳永欽;Chen, Yeong-Chin
    Contributors: 資訊工程學系
    Keywords: High power;Electro-acoustic transducer;Equivalent circuit;Impedance matching;Matching transformer
    Date: 2004-09
    Issue Date: 2012-11-26 13:55:02 (UTC+8)
    Abstract: High power electro-acoustical transducer is one of the critical elements in sonar systems. The transducer’s properties strongly depend on the number of piezoelectric ceramic segments and mechanical elements such as head mass, tail mass, prestress rod and so on. In this research, a lumped equivalent circuit of electro-acoustic transducer is proposed. The relationship between the physical and electrical characteristics of the transducer is deduced. Then, the network theorem is implemented to design a high power transformer for impedance matching, and to improve the transmitting efficiency of the transducer.

    Since the transducer’s characteristic is evaluated by a automatic test system using Hp-Vee software program, the equivalent circuit of the electro-acoustic transducer with matching transformer was developed and simulated using Hp-Vee program. A practical design example is also presented in this research. The simulated results quite agree with the measured results. This approach actually develops an effective method for impedance matching design and reduced the time for trial and error.
    Relation: SENSORS AND ACTUATORS A-PHYSICAL;115(1):38–45
    Appears in Collections:[資訊工程學系] 期刊論文

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