Chapter 11 — Robots with Flexible Elements

Trajectory generation and control for a KUKA IR 161/60 robot

This ICRA 1992 video shows the performance obtained with two simple modifications of a standard robot controller for a KUKA IR 161/60 industrial robot, namely improved trajectory generation and control of the first joint bases on a flexible joint model. At very high velocities and accelerations, there is a significant difference between the flexible controller and a classical PID controller. A nonlinear flexible controller implemented for links 2 and 3 improves the static and dynamic accuracy of the robot. Reference: J. Swevers, D. Torfs, M. Adams, J. De Schutter, H. Van Brussel: Comparison of control algorithms for flexible joint robots implemented on a Kuka IR 161/60 industrial robot, 5th Int. Conf. Adv. Robot., Pisa (1991), pp. 120-125; doi: 10.1109/ICAR.1991.240465
Joris De Schutter
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