I would like to know about any fresh ideas for Inverse Kinematics of Robotic arm. I have a robotic arm, which has 4 links. I am sending a doc file which has the detailed description of the Inverse Kinematics and the algorithm which I have implemented using LabVIEW. Although I think the algorithm is correct but I am unable to make the arm move along a straight line. It would be nice if any one of you could please send me any ideas for implementing the same