M. Arsenault and R. Boudreau, The Synthesis of Three-Degree-of-Freedom Planar Parallel Mechanisms with Revolute Joints (3-RRR) for an Optimal Singularity-Free Workspace, Journal of Robotic Systems, vol.9, issue.5, pp.259-274, 2004.
DOI : 10.1002/rob.20013

J. P. Merlet, Determination of the Presence of Singularities in 6D Workspace of a Gough Parallel Manipulator, Int. Symposium on Advances in Robot Kinematics, pp.39-48, 1998.
DOI : 10.1007/978-94-015-9064-8_4

H. Li and C. M. Gosselin, Determination of maximal singularity-free zones in the workspace of planar three-degree-of-freedom parallel mechanisms, Mechanism and Machine Theory, vol.41, issue.10, pp.1157-1167, 2006.
DOI : 10.1016/j.mechmachtheory.2005.12.003

S. Sen, B. Dasgupta, and A. K. Mallik, Variational approach for singularity-free-path-planning of parallel manipulators Mechanism and Machine Theory, pp.1165-1183, 2003.

J. M. Mccarthy and G. S. Soh, Geometric Design of Linkages, Journal of Mechanical Design, vol.122, issue.4, 2010.
DOI : 10.1115/1.1334345

D. Lazard and F. Rouillier, Solving parametric polynomial systems, Journal of Symbolic Computation, vol.42, issue.6, pp.636-667, 2007.
DOI : 10.1016/j.jsc.2007.01.007
URL : https://hal.archives-ouvertes.fr/hal-01148721

G. Moroz, D. Chablat, P. Wenger, and F. Rouillier, Cusp Points in the Parameter Space of RPR-2PRR Parallel Manipulators, European Conference on Robot Science, pp.29-38, 2010.
DOI : 10.1007/978-90-481-9689-0_4
URL : https://hal.archives-ouvertes.fr/hal-00545445

P. Wenger, C. Gosselin, and B. Maill, A comparative study of serial and parallel robot topologies for machine tools, Int. Workshop on Parallel Kinematic Machines, pp.23-35, 1999.

D. Chablat, P. Wenger, F. Majou, and J. P. Merlet, An Interval Analysis Based Study for the Design and the Comparison of Three-Degrees-of-Freedom Parallel Kinematic Machines, The International Journal of Robotics Research, vol.23, issue.6, pp.615-624, 2004.
DOI : 10.1177/0278364904044079

V. Arakelian, S. Briot, S. Yatsun, and A. Yatsun, A New 3-DoF Planar Parallel Manipulator with Unlimited Rotation Capability, 13th World Congress in Robot and Machine Science, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00553092

G. Gogu, Structural Synthesis of Parallel Robots, 2009.