Numerical and experimental design of aluminum-composite light manipulators for various space activities are discussed. The induced disturbances from EXPA and the motion actuators require active vibration control to ensure the correct positioning of a payload mass at the link's free-end. Two manipulators have been designed to have the same frequencies and mode shapes with aluminum and composite arms of the same length. It is suggested that control system should combine piezoelectric and servo motor actuation to achieve trajectory tracking with large angle slews and very accurate end point positioning.
Numerical and Experimental Design of Aluminium-Composite Light Manipulators for Space Activities
DAVIGHI, ANDREA;BERNELLI ZAZZERA, FRANCO
2003-01-01
Abstract
Numerical and experimental design of aluminum-composite light manipulators for various space activities are discussed. The induced disturbances from EXPA and the motion actuators require active vibration control to ensure the correct positioning of a payload mass at the link's free-end. Two manipulators have been designed to have the same frequencies and mode shapes with aluminum and composite arms of the same length. It is suggested that control system should combine piezoelectric and servo motor actuation to achieve trajectory tracking with large angle slews and very accurate end point positioning.File in questo prodotto:
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