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机电学院学术报告

时间:2017-09-07
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报告题目:Development of Lead-Zirconate-Titanate (PZT) Thin-Film  Microactuators for Inner Ear Hearing Rehabilitation

报告人:Professor I. Y. (Steve) Shen (华盛顿大学)

报告时间:9月19日(周二)  15:00-17:00

报告地点:基础楼301

摘要:In this presentation, I will discuss design, fabrication, and testing of a piezoelectric-based intra-cochlear microactuator. Major challenges affecting its vibration performance include electric circuit layout, electrode size, residual stresses, piezoelectric coefficients measurements, and fabrication processes.  Experimental measurements indicate that the acoustic microactuator may experience a snap-through phenomenon. Finally, an acute animal test confirms that the intra-cochlear microactuator does produce pressure waves audible to the animal.

报告人简介:Dr. I. Y. (Steve) Shen is a Professor of Mechanical Engineering Department of the University of Washington. He received his BS and MS degrees from National Taiwan University, and his PhD degree from the University of California, Berkeley, all in Mechanical Engineering.

Professor Shen's general research area is vibration, dynamics, sensing, and actuation. He is a Fellow of American Society of Mechanical Engineers (ASME).  He is currently the Technical Editor of ASME Journal of Vibration and Acoustics.

 
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