National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Virtual commissioning of the multi-purpose manipulator
Čech, Michal ; Vetiška, Jan (referee) ; Štěpánek, Vojtěch (advisor)
This thesis deals with the virtual commissioning of the XTS linear transport system in cooperation with an industrial robot. The theoretical part is devoted to the division of handling devices and kinematics of industrial robots. The practical part deals with the design of a demonstration task using handling devices whose movements are controlled and configured by means of a PLC using kinematic transformations. Furthermore, this part focuses on the structure of the control PLC program and HMI visualization for controlling the operation of the workplace, including the robot and XTS. The PLC program and HMI is processed in the TwinCAT 3 software environment. Finally, the functionality of the kinematic transformations is verified by virtual commissioning in the NX Mechatronics Concept Designer software.
Singular cases of the planar parallel robot
Belda, Květoslav ; Stejskal, V.
Singular cases - singularities of the robot are defined as positions in which the robot loses kinematic definiteness. The loss appears in both direct and inverse kinematic transformation. Existence of the singularities in the robot workspace causes sharp changes in profiles of the velocities and accelerations and changes in force effects. The objective of this paper is to investigate singularities (singular positions) of one parallel robot structure and to simply classify such singular cases.

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