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2D microgravity test-bed for the validation of space robot control algorithms

Oleś J., Kindracki J., Rybus T., Mężyk Ł., Paszkiewicz P., Moczydłowski R., Barciński T., Seweryn K., Wolański P.

Journal of Automation Mobile Robotics and Intelligent Systems

2017

Vol. 11, No. 2

95--104

The utilization of satellites equipped with robotic arms is one of the existing strategies for Active Debris Removal (ADR). Considering that the time intended for on-orbit capturing manoeuvres is strictly limited, any given space robot should possess a certain level of autonomy. This paper is about the control of on-orbit space robots and the testing of such objects in laboratory conditions. The Space Research Centre of the Polish Academy of Sciences (CBK PAN) possesses a planar air bearing microgravity simulator used for the testing of advanced control algorithms of space robots supported on air bearings. This paper presents recent upgrades to the testing facility. Firstly, the base of the space robot is now equipped with manoeuvre thrusters using compressed nitrogen and therefore allowing for position control of the entire system. Secondly, a signal from an external vision system, referencing the position and orientation of the robot’s parts is used by the control system for the closed loop control.