| Message | Large space structures expand the possibilities of space utilization such as fuel-free space navigation systems and large antennas. In order to construct larger structures in the space, deployment systems using lightweight and flexible members such as membranes and tethers are currently attracting attention. However, since soft members are easily deformed by a small force, wrinkles and slacks occur, and errors and disturbances that are not taken into consideration in the simulation cause large differences in deployment behavior and shape. In addition, since these flexible members are greatly affected by atmospheric resistance and gravity on the ground, it is difficult to predict the actual deployment in space only by ground experiments. Therefore, by combining ground experiments and simulations, we aim to develop designing methods for reliably deploying space structures.
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