Abstract
The paper reports the vibration characteristics assessment of grid panels which were furnished in the main structure of 50kg-class micro-satellite ``SOHLA-1''. Three different types of grid panels with dimensions of 141.1 × 423.0 × 10.0mm, triangle-grid-type panel, rectangle-grid-type panel and frame-type panel, were investigated to find their dynamics through impulse test. Vibration characteristics were also simulated by a FEM computer soft NASTRAN. Application of flame-retardant type magnesium alloy to the panel was made to confirm the structural effectiveness of magnesium alloy panel.
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