Force-torque control methods for industrial robots

Abstract eng:
The paper deals with Force – Torque control methods for industrial robots. The key aspect of these methods is to control a contact between a tool and a workpiece when either the tool or the workpiece is mounted on the robot flange. Real-time control of contact forces and moments is necessary. It is suitable to use it on a variety of industrial operations such as grinding, deburring, other machining operations or automatic assembly. The experimental set-up is based on a KUKA robot with FTC sensor (SCHUNK FTC-050) mounted on the robot and an external PLC system used for main control and connecting other essential sensors and devices. Main practical results are concerned with a design of specific end effector for a specific workpiece and with determining the contact between a workpiece and the surface maintaining a constant force during robot motion.

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