Free-flying space manipulator systems, in which robotic manipulators are mounted on a free-flying spacecraft, are envisioned for assembling, maintenance, repair, and contingency operations in space. Nevertheless, even for fixed-base systems, control of mechanical manipulators is a challenging task. This is due to strong nonlinearities in the equations of motion, and consequently different algorithms have been suggested to control end-effector motion or force, since the early research in robotic systems. First a brief review of basic concepts of various algorithms in controlling robotic manipulators is introduced. Then, specific problems related to application of such systems in space and a microgravity environment is highlighted. Basic issues of kinematics and dynamics modeling of such systems, trajectory planning and control strategies, cooperation of multiple arm space free-flying robots, and finally, experimental studies and technological aspects of such systems with their specific limitations are discussed.
Free-flying robots in space: An overview of dynamics modeling, planning and control
Freifliegende Roboter im Weltraum: Ein Überblick über die Modellierung der Dynamik, Bahnplanung und Steuerung
Robotica ; 25 , 5 ; 537-547
2007
11 Seiten, 122 Quellen
Aufsatz (Zeitschrift)
Englisch
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