The Experimental Analysis and Computer Simulations of the Vibration Absorber

• Main Authors: Kun-Yi Chen, 陳坤宜
• Other Authors: Wei-Hsin Gau
• Format: Others
• Language: zh-TW
• Published: 2004
• Online Access: http://ndltd.ncl.edu.tw/handle/82523060527500741979

碩士 === 華梵大學 === 機電工程研究所 === 92 === In this paper, simply-supported beam and unbalance motor are set to be the main system and attach a double-cantilever beam with two same quantity and distance masses on its free sites as an Absorber. Which Absorber is to analyze how it affects the main system and how the quantity and distance of its tip-mass affect the result of absorption and finally, the experimental conclusion will compare with computer modeling and theory results. First, built up a vibratile absorptive system and compared the natural frequency from sensor with the result from computer modeling, when the result came out, we could find that the outcome is the same as the numbers which came out from the theory formula. This conclusion proved the reliable of absorber’s effect and computer modeling. Proceed to next step; we could use computer modeling to analyze the situation of flexible and dynamic on simply-supported beam. The conclusion of research shows that when the main attach an absorber, the amplitude apparently got lower. Although the natural frequency turns into two, the natural frequency is still smaller than before. When we steadied the tip-mass, the absorber point will getting small by longer the distance between midpoint of absorber and tip-mass. On the other situation, if we steadied the distance, the bigger of tip-mass, the smaller of absorbed frequency.