| Ultrasonic Linear Motor with Anisotropic Composite |
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| 作者姓名： | 曾周末 王新辉 赵伯雷 |
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| 作者单位： | State Key Laboratory of Precision Measurement Technology and Instruments，State Key Laboratory of Precision Measurement Technology and Instruments，State Key Laboratory of Precision Measurement Technology and Instruments Tianjin University，Tianjin 300072，China，Tianjin University，Tianjin 300072，China，Tianjin University，Tianjin 300072，China |
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| 基金项目： | SupportedbytheDoctoralFoundationfromtheEducationMinistryofChina(No .1 9990 0 560 7) |
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| 摘 要： | Amicroactuator,whichisthecorepieceinmicro electro mechanicalsystem(MEMS) ,hasbeenattachedgreatimportanceandappliedwidelyinvariousfields .Becauseofitssuperperformances ,theultrasonicmotorhasbecomeoneofthemostprosperousmotionsources .Theultrasonicmotorisanewtypeofmicroactuatorwhichbreakstheconventionalcon ceptionofelectromagneticmotoranddependsuponthecon versepiezoelectriceffectofthepiezoelectricceramicandfric tionalcouplingofvibration . Makingacomprehensiveviewontheprogressofultra sonicmot…
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Ultrasonic Linear Motor with Anisotropic Composite |
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| ZENG Zhou-mo,WANG Xin-hui,ZHAO Bo-lei.Ultrasonic Linear Motor with Anisotropic Composite[J].Transactions of Tianjin University,2004,10(2). |
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| Authors: | ZENG Zhou-mo WANG Xin-hui ZHAO Bo-lei |
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| Abstract: | An idea to make up the vibrating body of ultrasonic motor with anisotropic composite is proposed and a linear piezoelectric motor is developed in this paper. Relative problems such as actuating mechanism, resonant frequency are discussed theoretically. According to the feature that impulse exists between the elastic body of composite ultrasonic linear motor and the base, an impulse analysis is presented to calculate the motor′s friction driving force and frictional conversion efficiency. The impulse analysis essentially explains the reason why the ultrasonic motor has great driving force, and can be applied to analyze the non-linear ultrasonic motor. |
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| Keywords: | ultrasonic linear motor composite frictional driving micro-electro-mechanical system(MEMS) microactuator |
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