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15 March 2018 Experimental study of an adaptive CFRC reflector for high order wave-front error correction
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The recent radio frequency communication system developments are generating the need for creating space antennas with lightweight and high precision. The carbon fiber reinforced composite (CFRC) materials have been used to manufacture the high precision reflector. The wave-front errors caused by fabrication and on-orbit distortion are inevitable. The adaptive CFRC reflector has received much attention to do the wave-front error correction. Due to uneven stress distribution that is introduced by actuation force and fabrication, the high order wave-front errors such as print-through error is found on the reflector surface. However, the adaptive CFRC reflector with PZT actuators basically has no control authority over the high order wave-front errors. A new design architecture assembled secondary ribs at the weak triangular surfaces is presented in this paper. The virtual experimental study of the new adaptive CFRC reflector has conducted. The controllability of the original adaptive CFRC reflector and the new adaptive CFRC reflector with secondary ribs are investigated. The virtual experimental investigation shows that the new adaptive CFRC reflector is feasible and efficient to diminish the high order wave-front error.
Conference Presentation
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Lan Lan, Houfei Fang, Ke Wu, Shuidong Jiang, and Yang Zhou "Experimental study of an adaptive CFRC reflector for high order wave-front error correction", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105951S (15 March 2018);

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