Research Article

Dynamics and Control of a Flexible Solar Sail

Table 1

The related parameters.

ParametersValues

CM/CP offset/m[0, 0.17678, 0.17678
The side length of square sail/m 100
Nominal solar-radiation pressure constant at 1 AU from the sun/N/m24.563 × 10−6
Solar-radiation pressure force/N9.12 × 10−2
Roll inertia/kg*m250383
Pitch and yaw inertia/kg*m225191.5
Outer radius/m0.229
Thickness of the supporting beam/m7.5 × 10−6
Young’s modulus of the supporting beam/GPa12.4
Moment of inertia of the cross-section of the supporting beam/m42.829412 × 10−7
Bending stiffness of the supporting beam/N*m23508.471336
Proportional damping coefficient of supporting beam/s0.01
Line density of the supporting beam/kg/m0.106879
Cross-sectional area of the supporting beam/m21.079 × 10−5
Roll disturbance torque/N*m0
Pitch (yaw) disturbance torque/N*m0.016122 (−0.016122)