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Kinematika in dinamika šest-osnega industrijskega robota
ID Mlinarič, Matic (Author), ID Čepon, Gregor (Mentor) More about this mentor... This link opens in a new window

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Abstract
Industrijski roboti so v sodobni industriji nepogrešljivi, saj omogočajo avtomatizacijo proizvodnih procesov in povečujejo produktivnost. Za zagotavljanje pravilnega izvajanja nalog je potrebno poznavanje kinematike in dinamike robota. V delu je predstavljena izdelava modula za kinematsko in dinamsko analizo šest-osnega industrijskega robota. Implementiran je v programskem jeziku Python. Delo vsebuje pregled področja industrijskih robotov, teorijo osnovnih principov prostorskih transformacij, kinematike robotov in analitične dinamike. Na osnovi Denavit-Hartenbergove formulacije so izpeljane enačbe direktne in inverzne kinematike, ki so eksperimentalno preverjene na realnem robotskem sistemu. Z uporabo Lagrangeeve formulacije dinamike so izpeljane gibalne enačbe manipulatorja in izdelan dinamski model. Izvedena je tudi eksperimentalna modalna analiza robota Yaskawa GP7, na podlagi katere je dinamski model ustrezno posodobljen. Zaradi upoštevanja prečnih deformacij sklepov, je razširjen dinamski model, ki vsebuje dodatne prostostne stopnje, natančnejši pri modeliranju dinamičnega odziva robota. S posodobljenim modelom je izvedena simulacija dinamičnega odziva robota in napoved lastnih frekvenc pri določeni konfiguraciji robota.

Language:Slovenian
Keywords:industrijski robot, inverzna kinematika, Denavit-Hartenbergova formulacija, dinamika togih teles, analitična dinamika, modalna analiza, Python
Work type:Master's thesis/paper
Organization:FS - Faculty of Mechanical Engineering
Year:2024
PID:20.500.12556/RUL-160141 This link opens in a new window
Publication date in RUL:22.08.2024
Views:133
Downloads:36
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Secondary language

Language:English
Title:Kinematics and dynamics of six-axis industrial robot.
Abstract:
Industrial robots are indispensable in modern industry as they enable the automation of production processes and increase productivity. For ensuring the correct execution of tasks, knowledge of the robot's kinematics and dynamics is necessary. The work presents the development of a module for the kinematic and dynamic analysis of a six-axis industrial robot. It is implemented in the Python programming language. The work includes an overview of the field of industrial robots and the basic principles of spatial transformations, robot kinematics, and analytical dynamics. Based on the Denavit-Hartenberg formulation, the equations of forward and inverse kinematics are derived and experimentally verified on a real robotic system. Using the Lagrange formulation of dynamics, the equations of motion of the manipulator are derived and a dynamic model is created. Experimental modal analysis of the Yaskawa GP7 robot is conducted, based on which the dynamic model is appropriately updated. By considering the transverse deformations of the joints, the extended dynamic model, which includes additional degrees of freedom, is more accurate in modeling the dynamic response of the robot. With the updated model, a simulation of the robot's dynamic response and prediction of natural frequencies at a specific pose of the robot is performed.

Keywords:industrial robot, inverse kinematics, Denavit-Hartenberg formulation, rigid body dynamics, analytical dynamics, modal analysis, Python

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