Parallel Robots With Unconventional Joints

1 Introduction: lockable and non-holonomic joints.- 1.1 Motivation.- 1.2 Precursors.- 1.3 Organization of this book.- References.- 2 Parallel robots with lockable revolute joints.- 2.1 Kinematics of the 4RbRPS parallel robot.- 2.2 Maneuvers.- 2.3 Motion planning.- 2.4 Hardware implementation.- 2.5 Software implementation.- References.- 3 Spherical non-holonomic joints.- 3.1 Under-actuated parallel robots with spherical non-holonomic joints.- 3.2 Implementation of spherical non-holonomic joints.- References.- 4 Kinematics of the 3SnPU spatial robot.- 4.1 The 3SnPU robot.- 4.2 Instantaneous kinematics.- 4.3 Statics analysis.- 4.4 Singularities.- 4.5 Controllability.- 4.6 Example.- References.- 5 Motion planning for the 3SnPU robot.- 5.1 Motion planning.- 5.2 Using truncated series.- 5.3 Example.- References.- 6 Kinematics of the Sn-2UPS spherical robot.- 6.1 Kinematic model.- 6.2 Deriving a bilinear model.- 6.3 Singularities.- 6.4 A, B, and rotations in R4.- 6.5 Workspace computation.- 7 Motion planning for the Sn-2UPS robot.- 7.1 Kinematic model.- 7.2 Three-move motion planner.- 7.3 Two-move motion planner.- 7.4 Single-move motion planner.- 7.5 Example.- 7.6 Implementation.- References.- 8 Conclusions.