International Journal of Robotics Research
The design of isotropic manipulator architectures in the presence of redundancies
International Journal of Robotics Research
Kinematic isotropy and the conditioning index of serial robotic manipulators
International Journal of Robotics Research
International Journal of Robotics Research
Kinematic isotropy and the optimum design of parallel manipulators
International Journal of Robotics Research
Fundamentals of Robotic Mechanical Systems
Fundamentals of Robotic Mechanical Systems
The optimum design of 6-DOF isotropic parallel manipulators
Journal of Robotic Systems
Geometrical conditions for the design of partial or full isotropic hexapods
Journal of Robotic Systems
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Developing 6-DOF isotropic manipulators using isotropic generators is simple and efficient, and isotropic generators can be employed to develop serial, redundant, or parallel isotropic manipulators. An isotropic generator consists of a reference point and six straight lines. The existing generators, however, have one common geometric constraint: the reference point is equidistant from the six straight lines. Some practical isotropic designs might not be obtained due to this constraint. This paper proposes methods for developing new isotropic generators. The generators thus developed are not subject to the constraint, and the new methods allow us to specify the location of the tool center point, the size of the platform or the base, or the shape of isotropic parallel manipulators. Many new generators are presented to develop 6-DOF parallel manipulators with different shapes or different types of kinematic chains.