微电机
微電機
미전궤
Micromotors
2015年
9期
23-25,65
,共4页
环形压电振子%行波%面内弯曲%模态分析%超声物料输送
環形壓電振子%行波%麵內彎麯%模態分析%超聲物料輸送
배형압전진자%행파%면내만곡%모태분석%초성물료수송
ring type piezoelectric vibrator%traveling wave%bending vibration in plane%modal analysis%ultrasonic feeding
以超声物料输送装置的环形压电振子为研究对象，分析了环形封闭梁结构的模态特征，借助于有限元软件确定了振子的结构尺寸。提出了在压电环梁上开设合适的沟槽来控制压电梁的满足行波驱动的振型及频率差的方法，并根据优化结果试制了压电输送振子，通过实验验证了模态控制的可行性。
以超聲物料輸送裝置的環形壓電振子為研究對象，分析瞭環形封閉樑結構的模態特徵，藉助于有限元軟件確定瞭振子的結構呎吋。提齣瞭在壓電環樑上開設閤適的溝槽來控製壓電樑的滿足行波驅動的振型及頻率差的方法，併根據優化結果試製瞭壓電輸送振子，通過實驗驗證瞭模態控製的可行性。
이초성물료수송장치적배형압전진자위연구대상，분석료배형봉폐량결구적모태특정，차조우유한원연건학정료진자적결구척촌。제출료재압전배량상개설합괄적구조래공제압전량적만족행파구동적진형급빈솔차적방법，병근거우화결과시제료압전수송진자，통과실험험증료모태공제적가행성。
Taking ring type piezoelectric vibrator of ultrasonic feeding device as research object , modal characteristics of the vibrator consisting of straight and curved beams was investigated , based on FEM to determine the structure size of vibrator .The control method of the mode of vibration and frequency difference meeting traveling wave driving through designing appropriate grooves at the vibrator was proposed , and the vibrator prototype was manufactured in accordance with optimal result , the feasibility of modal control method can be verified through experimental study .
