Planetary exploration has been carried out with solitary probes since the nineteen-sixties; on the other hand, the newly emerging paradigm for robotic exploration shows multi-expertize, complex modular systems as necessary for efficient and thorough activities. In this paper we propose a modular Cable Driven Parallel Robot (CDPR) that is deployed by a rover, which can take advantage of its large workspace for tasks as inspection or light manipulation. While the general deployment procedure is described, focus is given on the CDPR; a model for the pseudostatics of the robot is formulated, as well as an analysis on its modules stability. The workspace is then characterized using appropriate metrics. Results show that a 1 Kg payload for the end-effector is effectively feasible with substantial margin for an equilateral triangular workspace of 10 m side. Finally, several possible practical applications are illustrated.
A modular cable robot for inspection and light manipulation on celestial bodies
SERIANI, STEFANO;GALLINA, PAOLO;
2016-01-01
Abstract
Planetary exploration has been carried out with solitary probes since the nineteen-sixties; on the other hand, the newly emerging paradigm for robotic exploration shows multi-expertize, complex modular systems as necessary for efficient and thorough activities. In this paper we propose a modular Cable Driven Parallel Robot (CDPR) that is deployed by a rover, which can take advantage of its large workspace for tasks as inspection or light manipulation. While the general deployment procedure is described, focus is given on the CDPR; a model for the pseudostatics of the robot is formulated, as well as an analysis on its modules stability. The workspace is then characterized using appropriate metrics. Results show that a 1 Kg payload for the end-effector is effectively feasible with substantial margin for an equilateral triangular workspace of 10 m side. Finally, several possible practical applications are illustrated.File | Dimensione | Formato | |
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2016 - ActaAstr - A modular cable robot for inspection and light manipulation on celestial bodies.pdf
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