Abstract:In this paper, the critical poses of PPS-RRS-PRS Hybrid Parallel Robot Manipulators (HPRMs) are geometrically investigated in Double Algebra (DA) approach. The screw theory and a reciprocal screw of dyad joints borrowed from the projective space to obtain the geometrically symbolic form of the inverse of the Jacobian matrix (J) which is expressed in the Global Wrench System (GWS) term called superbrackets. These superbrackets mean the symbolic form of the joints screw lines which are the Plücker coordinate fin… Show more
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