지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이 논문의 연구 히스토리 (5)
2010
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A SAW strain sensor based on Shear Horizontal wave with an 92 ㎒ central frequency was developed. It consists of SAW sensor, PCB substrate and bonding material (Loctite 401). External force applied to PCB substrate bonded to a piezoelectric substrate induces strain at the substrate surface, which causes changes in the elastic constant and density of the substrate and hence the propagation velocity of the SAW. The change in the velocity of the SAW result in a frequency shift of the sensor and by measuring a frequency shift, we can extract the strain induced by the external force. The 41° YX LiNbO₃ was used because it has a Leaky shear horizontal(SH) wave propagation mode and a high electromechanical coupling coefficient (K²=17.2%). And to compare with Rayleigh wave mode, 128° YX LiNbO₃ was used. And to make a stable and low insert loss, Split IDT structure was used. The obtained sensitivity and linearity of the SAW strain sensor in the case of Split IDT were measured to be 17.2 ㎑ / % and 0.99, respectively.
목차
Abstract
1. 서론
2. 본론
3. 결론
감사의 글
참고문헌
저자소개
참고문헌 (13)
참고문헌 신청
1. [학술지(정기간행물)] - Schedin E / 1986 / The evaluation of large strains from industrial sheet metal stampings with a square grid / J. Appl. Met. Working 4 : 143 ~ 156
2. [학술지(정기간행물)] - Claus R O / 1992 / Extrinsic Fabry–Perot sensor for strain and crack opening displacement measurements from –200 to 900 ˚C / Smart Mater. Struct 1 : 237 ~ 242
3. [학술지(정기간행물)] - Liu T / 2000 / A frequency division multiplexed low-finesse fiber optic Fabry–Perot sensor system for strain and displacement measurements / Rev. Sci. Instrum 71 : 1275 ~ 1278
4. [학술지(정기간행물)] - R, Matsuzaki / 2007 / Wireless flexible capacitive sensor based on ultra-flexible epoxy resin for strain measurement of automobile tires / Sensors and Actuators, A 140 : 32 ~ 42
5. [학술지(정기간행물)] - R, Matsuzaki / 2005 / Wireless strain monitoring of tires using electrical capacitance changes with an oscillating circuit / Sensors and Actuators, A 119 : 323 ~ 331
2. [학술지(정기간행물)] - Claus R O / 1992 / Extrinsic Fabry–Perot sensor for strain and crack opening displacement measurements from –200 to 900 ˚C / Smart Mater. Struct 1 : 237 ~ 242
3. [학술지(정기간행물)] - Liu T / 2000 / A frequency division multiplexed low-finesse fiber optic Fabry–Perot sensor system for strain and displacement measurements / Rev. Sci. Instrum 71 : 1275 ~ 1278
4. [학술지(정기간행물)] - R, Matsuzaki / 2007 / Wireless flexible capacitive sensor based on ultra-flexible epoxy resin for strain measurement of automobile tires / Sensors and Actuators, A 140 : 32 ~ 42
5. [학술지(정기간행물)] - R, Matsuzaki / 2005 / Wireless strain monitoring of tires using electrical capacitance changes with an oscillating circuit / Sensors and Actuators, A 119 : 323 ~ 331
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UCI(KEPA) : I410-ECN-0101-2012-560-004357957