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6축 바퀴동력계의 신뢰성 기반 형상최적설계에 관한 연구
강진혁(Jin-Hyuk Gang),박용묵(Yong-Mook Park),원준호(Jun-Ho Won),최주호(Joo-Ho Choi) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Wheel force transducer is a sensing component which measures forces and moments about three orthogonal axes on center of tire contact for the purpose of road load data acquisition from a ground vehicle. In the design of these transducers, number of factors need to be considered. Apart from the manufacturing concerns such as ease of machining and gage installation, two things are required primarily: the predetermined strain level should occur when subjected to rated load, and strains along each axis should respond to their forces predominantly leaving the strains along the other axes at zero level. Another factor is that the component should not fail mechanically during the use of static and fatigue loads. Throughout the literature, many techniques were proposed for the design under there requirements. However, despite that the responses of the component in practice may exhibit variation due to the dimensional and material uncertainties, there was little attempt that incorporated this in the design. This study proposes a more generic approach that takes into account those aspects in the design.
박용욱(YongWook Park),주진원(JinWon Joo) 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.2015 No.11
Wheel dynamometer measures load of wheel shaft during drive. We analyze structure of wheel dynamometer and proposes better design. Conventional design of Wheel dynamometer include four beam structure owing to decrease of interference error. However, it is unstable in variety of conditions. This paper put forward several shapes or beam type and form of slit, and study it. On the other side, interference errors were minimized by using wheatstone bridge circuit of data on the finite element analysis. Also we’ll use shear strain type gauges and draw graphs of strain contour on many forms of wheel dynamometer they are suitable.