A three-axis attitude control actuator for solar sail spacecraft
A technology of three-axis attitude and actuators, which is applied in the direction of aerospace vehicle guidance devices, aerospace vehicle power supply systems, etc., can solve the problems of difficulty in controlling the deployment of small sails at the top, small rolling axis torque, and small adjustable range. Achieve the effect of reducing the mass of the spacecraft and avoiding the risk of air leakage
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[0024] A novel solar sail attitude control actuator of the present invention includes a sliding mass-moving small sail (Sliding Masses-Moving Vanes, SMMV). The inventive device can generate the torque required for the three-axis attitude control of the solar sail, and fully utilizes sunlight for energy, has a relatively simple structure, and does not affect the deployment of the solar sail. In particular, the device can quickly provide the rolling shaft torque, and its amplitude can be adjusted in a large range.
[0025] combine figure 1 , the SMMV device is installed on the solar sail spacecraft, including a support rod 1, a slider 2, a small sail 3, a support frame 4 and a telescopic rod 6. The support rod 1 is arranged along the diagonal of the sail surface 7 of the square spacecraft, and the slider 2 slides along the support rod 1 . The small sail 3 is connected with the support frame 4 through the telescopic rod 6 . The bottom end of the support frame 4 is connected to...
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