The main objective of this paper is to study the Euclidean displacement of a 5-DOF parallel mechanism performing three translation and two independent rotations with identical limb structures-recently revealed by performing the type synthesis-in a higher dimensional projective space, rather than relying on classical recipes, such as Cartesian coordinates and Euler angles. In this paper, Study's...

Active deformation in Alborz range is due to N-S convergence between Arabia and Eurasia. This paper provides geomorphic traces of regional deformation in NW Iran in order to characterize active faulting on major faults. Soltanieh and North Zanjan fault systems are involved in convergence boundary extent between South Caspian Basin and Central Iran. Soltanieh and North Zanjan faults are major re...

the main objective of this paper is to study the euclidean displacement of a 5-dof parallel mechanism performing three translation and two independent rotations with identical limb structures-recently revealed by performing the type synthesis-in a higher dimensional projective space, rather than relying on classical recipes, such as cartesian coordinates and euler angles. in this paper, study&a...

We introduce and demonstrate a bootstrap method for construction of an inverse function for the robot kinematic mapping using only sample configuration– space/workspace data. Unsupervised learning (clustering) techniques are used on pre–image neighborhoods in order to learn to partition the configuration space into subsets over which the kinematic mapping is invertible. Supervised learning is t...

introduction we aimed to introduce a 6-universal-prismatic-spherical (ups) parallel mechanism for the human jaw motion and theoretically evaluate its kinematic problem. we proposed a strategy to provide a fast and accurate solution to the kinematic problem. the proposed strategy could accelerate the process of solution-finding for the direct kinematic problem by reducing the number of required ...

Jianhao Zhang, Jinda Cai Numerical Control And Display Lab, USST, 200093 ShangHai,China Emails:[email protected] Abstract:A method of compensation is proposed based on the error model with the robot’s parameters of kinematic structure and the joint angle. Using the robot kinematics equation depending on D-H algorithm, a kinematic error model is deduced relative to the end actuator of the robot, ...

The kinematic mapping x = f(&thetas;) is generally many to one. For nonredundant manipulators, this means that there are a finite number of configurations (joint angles) that will place the end-effector at a target location in the workspace. These correspond to postures of the manipulator, and each configuration lies on a specific solution branch. It is shown that for certain classes of revolut...

A generic, or more properly 1-generic, serial manipulator is one whose forward kinematic mapping exhibits singularities of given rank in a regular way. In this paper, the product-ofexponentials formulation of a kinematic mapping together with the Baker–Campbell–Hausdorff formula for Lie groups is used to derive an algebraic condition for the regularity.

The robot kinematic mapping x = f() generally has multiple distinct solution branches fjf() = x d g for a given end{eeector location x d , where each branch can have a nontrivial manifold structure (as in the case of a redundant manipulator). Learning techniques which exploit known topological properties of the mapping are used to determine the number and nature of these branches. Speciically, ...