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Fluidic Muscle 실린더의 특성 해석 및 실험
허신(Shin Huh),김동수(Dong-soo Kim),김완두(Wan-doo Kim),배상규(Sang-kyu Bae) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
The fluidic muscle cylinder consist of an air bellows tube, flanges and lock nuts. It's features are softness of material and motion, simplicity of structure, low production cost and high power efficiency. In this study, we carried out the finite element modelling and analysis about the main design variables such as contraction ration and force, diameter increment of fluidic muscle cylinder. On the basis of finite element analysis, the prototype of fluidic muscle cylinder was manufactured and tested. Finally, we compared the results between the test and the finite element analysis.
허신(Shin Huh),배상규(Sang-kyu Bae),김동수(Dong-soo Kim),김완두(Wan-doo Kim),홍성인(Sung In Hong) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
The pneumatic muscle actuator consists of an air bellows tube with two end-flanges. The air bellows tube is made from rubber tube layers and flexible sheathing formed from nylon6 fibers. This structure can be stretched or compressed to convert the radial expansive forces into contractile forces. We carried out the finite element analysis and analyzed the performance of pneumatic muscle actuator. Also, the pneumatic muscle actuator was manufactured and tested. The results of performance test coincide with the simulation results within the maximum error of 42%.
허신(Shin Huh),우창수(Chang-soo Woo),한혁섭(Houk-seop Han),김완두(Wan-doo Kim),박태원(Tae-won Park),권병수(Byung-soo Kwon),김승중(Seung-joong Kim),김정래(Jeong-rae Kim) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
An air spring which is a part of the suspension system of automobiles is used to reduce and absorb the vibration and the noise. Main components of the air spring are a cord reinforced rubber bellows, a canister and a piston. The performance of the air spring are depended on configurations of rubber bellows, the angle and elastic modulus of cord. The finite element analysis are executed to predict and evaluate the load capacity and the stiffness. The design variables of air spring are determined to adjust the required specifications of the air spring. Several samples of the air spring are manufactured and experimented. It is shown that the results by finite element analysis are in close agreement with the test results.
권태수(Kwon Taesoo),구정서,허신(Huh Shin),Lee Hoyong 한국철도학회 2003 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper derived a theoretical method to estimate structural characteristics of carbody members when material substitution designs were performed, and verified the theoretical method with finite element analyses. For important factors in rolling stock design, such as bending stiffness, natural frequency, bending strength and buckling strength, some performance indices to estimate structural behaviors were developed in order to derive an equivalent design in spite of material substitutions. The developed method was used to reduce the weights of carbody components, as example problems, by substituting the aluminium alloy for the structural steel. The analysis results of the examples show that the proposed technique gives a reasonable initial guess in the case of a material substitution design.
다양한 Fiber를 이용한 Fluidic Muscle 실린더 개발
배상규(Sang-kyu Bae),김동수(Dong-soo Kim),허신(Shin Huh),김완두(Wan-doo Kim),홍성인(Sung-In Hong) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
The fluidic muscle cylinder consist of an air bellows tube, flanges and lock nuts. It's features are softness of material and motion, simplicity of structure, low production cost and high power efficiency. In this study, we carried out the finite element modelling and analysis about the main design variables such as contraction ration and force, diameter increment of fluidic muscle cylinder. On the basis of finite element analysis, the prototype of fluidic muscle cylinder was manufactured and tested. Finally, we compared the results between the test and the finite element analysis using various fiber.