Research Article
Design and Dynamic Equivalent Modeling of Double-Layer Hoop Deployable Antenna
Table 2
Structural parameters of the unit.
| | Parameter name | Value | Parameter name | Value |
| | Diameter of rod (mm) | 40/38 | Diameter of cable (mm) | 2 | | Length of central connecting rod (mm) | 1295.4 | Angle γ (°) | 45.75 | | Length of outer rail (mm) | 2704.1 | Angle θ (°) | 49.55 | | Length of inner rail (mm) | 2366.4 | Angle α (°) | 64.98 | | Angle β (°) | 82.51 | | lc3 (mm) | 476.5 | Modulus of elasticity of bar El (Em) (GPa) | 70 | | lc4 (mm) | 476.5 | Modulus of elasticity of cable Ed (GPa) | 500 | | Length of vertical bar (mm) | 2776 | Density of bar ρl (ρb1, ρb2, ρb3) (kg/m3) | 2700 | | Length of crank connecting link (mm) | 673.8 | Density of cable ρd1 (ρd2, ρd3) (kg/m3) | 1570 |
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