Naoki Miyajima, Yohei Michitsuji, Shoichiro Takehara
Transactions of the Japan Society of Mechanical Engineers. C, 73(735) 2955-2961, 2007
The tethered system, which composed with a mother ship and satellite connected with tether, is an example of recent satellites. In the analysis and modeling of tether, large deformation and large displacements must be considered. The Absolute Nodal Coordinate Formulation can describe the motion of tether. In the modeling method, internal damping and fluid resistance are not considered, and the identification for such parameters is still problem to be solved. In this study, the effect of damping and fluid resistance based on strain energy and drag equation are formulated while considering a parameter identification method. These parameter and number of elements are identified by the experiment at the same time. In order to verify the modeling method, an example of swing-up control using a genetic algorithm is performed in simulation and experiment. Validity of model and availability of motion control based on multibody dynamics are shown comparison between experiment and simulation.