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Analysis of Kinematics and Reconfigurability of a Spherical Parallel Manipulator

2014; Institute of Electrical and Electronics Engineers; Volume: 30; Issue: 6 Linguagem: Inglês

10.1109/tro.2014.2357092

1941-0468

Luca Carbonari, Massimo Callegari, Giacomo Palmieri, Matteo-Claudio Palpacelli,

Advanced Materials and Mechanics

This paper presents the kinematic characterization of a 3-Cylindrical-Prismatic-Universal (3-CPU) parallel manipulator designed for motions of pure rotation. The machine has been conceived at the Polytechnic University of Marche, and recent studies have shown that its kinematic architecture can be exploited for the realization of reconfigurable machines with different kinds of motions (pure rotational, pure translational, and planar motions among others). The 3-CPU concept has been subject to further investigations for a deeper understanding of this peculiar behavior. After a brief introduction to these concepts, the paper faces the position and the differential kinematics of the 3-CPU spherical manipulator aiming at identifying workspace boundaries and its kinematic manipulability.