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압전 트랜스듀서에 의한 봉의 굽힘모드 가진 및 감지Excitation and Sensing of Bending Vibration in a Rod Using a Piezoelectric Transducer
- Other Titles
- Excitation and Sensing of Bending Vibration in a Rod Using a Piezoelectric Transducer
- Issue Date
- Feb-2018
- Publisher
- 한국소음진동공학회
- Keywords
- 굽힘 진동; 봉; 압전; 변환기; 가진; 감지; Bending Vibration; Rod; Piezoelectricity; Transducer; Excitation; Sensing
- Citation
- 한국소음진동공학회논문집, v.28, no.1, pp.50 - 56
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 28
- Number
- 1
- Start Page
- 50
- End Page
- 56
- ISSN
- 1598-2785
- Abstract
- This paper deals with excitation and sensing of bending vibration in a rod using a piezoelectric transducer. This research was needed to develop a vibration-type level-switch sensor. The transducer was composed of multiple piezoelectric discs, and its exciting and sensing parts were separated. The rod and transducer were axially symmetric, but they were coupled asymmetrically to generate a bending vibration in the rod. According to the bending vibration characteristics of the rod, excitation and sensing by the transducer were observed with the rod in air and underwater. These results made it possible to design and manufacture a level-switch sensor of a bending vibration rod.
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Related Researcher
- Kim, Jin Oh
- College of Engineering (School of Mechanical Engineering)