Multibody dynamical modeling for spacecraft docking process with spring-damper buffering device: A new validation approach

Adaptive Control of Space Robot Despinning Tumbling Target Using Flexible Brushes

“…Capture strategy for non-cooperative targets tumbling at high speed, applying resistance and reducing their angular speed of rotation to make capture less difficult [3]. In terms of contact despinning, Huang et al [4,5] proposed a method for attitude control of noncooperative targets based on a tether terminal, which stabilizes the attitude of the tumbling target by controlling the tether tension and damping force attached to it; Daneshjou and Alibakhshi [6] proposed a spring damper buffer device which is accomplished by contact collision dur-ing nozzle docking in the despinning process; Nishida and Kawamoto [7] designed a despinning device with a flexible brush as the end-effector, which uses the elastic contact force between the brush and the target for despinning. There are also space debris removal systems such as drag-increasing devices, which accelerate the target deconvolution process by increasing the surface-to-mass ratio of the target, thus increasing the air drag; methods include spraying foam on space debris [8,9] and installing airbags for space debris [10].…”

Optimal Adaptive Control and Backstepping Control Method with Sliding Mode Differentiator

“…Space debris is mostly discarded space scrap, which is out of control and eventually moves freely due to complex nutation. Since these high-speed tumbling targets are very difficult to catch directly, it is necessary to reduce the relative speed between the chaser and the target before the next onorbit capture [5][6][7][8]. us, the final capture of the target can be achieved when the relative speed is slow enough [9,10].…”