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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Návrh robotického pracoviště pro obsluhu vstřikovacích lisů s následnou montáží a kontrolou / Design of a robotic workplace for the operation of injection molding machines with subsequent assembly and inspection

Musil, Marek January 2018 (has links)
The thesis deals with the design of a robotic workplace for the operation of injection moulding machines. It is concerned with the design of the workplace component deployment and the evaluation of the best variant using a multi-criteria assessment. In detail, attention is paid to the end effectors of industrial robots and the assembly workplace, where finishing operations take place. Finally, the risk analysis and technical and economic evaluation of the proposed workplace are carried out.
22

Konstrukce koncov©ho efektoru robota s monost­ automatick© vmÄny nstroje / Design of Robot end effector with automatic tool exchange

Jirges, Radek January 2020 (has links)
The goal of this thesis was to design an end effector for a small robot for testing of devices with a touchscreen. The effector has to communicate with the robot via serial interface and provide feedback about used downforce. Another requirement was possibility of automatic tool change. Measuring of downforce, signal processing, and communication with robot ensures custom electronics based on STM32 microprocessor and piezoresistive sensor. The mechanism of tool change was inspired by the system used with industrial robots but customized for this application. The result of this thesis is a functional prototype of a stylus for devices with a touchscreen which provides feedback about the downforce on display and possibility of automatic tool change. The main benefit of this solution is the possibility of changing the tool for the one with one or more styluses for testing gesture-based interface what is indispensable in these days.
23

Návrh koncového efektoru pro kolaborativní robot / Design of end effector for collaborative robot

Taoufik, Ismael January 2020 (has links)
This diploma thesis deals with design of end effector for collaborative robot which manipulates with RFID labels. The first part of this thesis is theoretical and deals with collaborative robots and end effector for these collaborative robots. The second part of this thesis is practical and begins with selecting the suitable collaborative robot to tackle this issue and then there are presented several variants of end effectors where is again chosen the suitable one. In the next step there are made design calculations for the chosen variant followed by verifications consisted of practical tests of functionality and CFD simulation. According to made verifications is developed the final construction solution of the chosen end effector variant that includes a commentary about the construction documentation. The next step consists of making risk analysis used for reducing the risks leading to increase the workplace safety. In the last part is made an estimation of the cost of eventual production of one piece of the end effector protype.
24

Manipulátor nástrojů, nástrových hlav a držáků / Manipulator of Tools, Tool Heads and Tools Holders

Ševčík, Michal January 2010 (has links)
The aim of this diploma thesis is to design manipulator for handling tools and tool heads between two tool’s magazines of the two vertical machining centers. One part of this thesis is a proposal of solutions, selection of the optimal choice, its construction and technical calculations of some construction nodes. Other parts of this thesis are technical drawings. The technical drawing of assembly, and two technical drawings of main components.
25

Návrh koncového efektoru pro manipulaci se skleněnou zátkou / Design of end effector for handling with glass stopper

Hrnko, Lukáš January 2014 (has links)
The diploma thesis deals with the structural design of the end effector for handling with the glass stopper of the hydrogen reactor of high temperature semiconductor diffusion furnace. The work includes the summary of information about semiconductor diffusion furnace, the choice of the appropriate industrial robot, the design of the end effector structural solution, the design of its supporting structure, the power and strength calculation, the design of the end effector control and economic evaluation of its production. The 3D model together with 2D production documentation which contains the assembly drawing of the individual parts of end effector was created on the basis of the end effector design.
26

Modelling the Dynamics of Mass Capture

Lahey, Timothy John January 2013 (has links)
This thesis presents an approach to modelling dynamic mass capture which is applied to a number of system models. The models range from a simple 2D Euler-Bernoulli beam with point masses for the end-effector and target to a 3D Timoshenko beam model (including torsion) with rigid bodies for the end-effector and target. In addition, new models for torsion, as well as software to derive the finite element equations from first principles were developed to support the modelling. Results of the models are compared to a simple experiment as done by Ben Rhody. Investigations of offset capture are done by simulation to show why one would consider using a 3D model that includes torsion. These problems have relevance to both terrestrial robots and to space based robotic systems such as the manipulators on the International Space Station capturing payloads such as the SpaceX Dragon capsule. One could increase production in an industrial environment if industrial robots could pick up items without having to establish a zero relative velocity between the end effector and the item. To have a robot acquire its payload in this way would introduce system dynamics that could lead to the necessity of modelling a previously ‘rigid’ robot as flexible.
27

Modelling the Dynamics of Mass Capture

Lahey, Timothy John January 2013 (has links)
This thesis presents an approach to modelling dynamic mass capture which is applied to a number of system models. The models range from a simple 2D Euler-Bernoulli beam with point masses for the end-effector and target to a 3D Timoshenko beam model (including torsion) with rigid bodies for the end-effector and target. In addition, new models for torsion, as well as software to derive the finite element equations from first principles were developed to support the modelling. Results of the models are compared to a simple experiment as done by Ben Rhody. Investigations of offset capture are done by simulation to show why one would consider using a 3D model that includes torsion. These problems have relevance to both terrestrial robots and to space based robotic systems such as the manipulators on the International Space Station capturing payloads such as the SpaceX Dragon capsule. One could increase production in an industrial environment if industrial robots could pick up items without having to establish a zero relative velocity between the end effector and the item. To have a robot acquire its payload in this way would introduce system dynamics that could lead to the necessity of modelling a previously ‘rigid’ robot as flexible.
28

Návrh robotické buňky pro manipulační operace / Design of a Robotic Cell for Manipulation Operations

Hoplíček, Štěpán January 2018 (has links)
This Master´s thesis deals with the design of a robotic cell for manipulation operations. By two robots are performed manipulation operations with a product between turntable, station with a pulsed fiber laser, label printer with applicator and conveyor belt. Further, the thesis describes the selection process of each device of the robotic cell, the design of an end effector and a fixture. The robotic cell is designed in compliance with the safety standards. The aim of this thesis is to design the robotic cell, which meets the requirement for a given cycle time. The cycle time is determined using a simulation model of the robotic cell created in PLM software Siemens Process Simulate.
29

Automatizace obsluhy výrobního stroje a řešení robotického odjehlení na externích pneumatických nástrojích / Automation of production machine operation and robotic deburring within external pneumatic tools

Procházka, Jakub January 2020 (has links)
The task of this master thesis is to design a robotic workcell for an automation of the production machine operation followed by robotic deburring of the parts within external pneumatic tools. There is chosen the most suitable concept of the workplace layout of its included sub-components based on the input parameters. The first part is dedicated to design or select sub-components of the workcell as input magazine, robots, end effectors, deburring station etc. Afterwards, there is created a simulation model of the workcell in Process Simulate software for the verification of demanded cycle times and workcell functionality. The final design has to meet safety standards and technical and economical evaluation is permormed at the end of the thesis.
30

Pracoviště automatizované montáže O-kroužků a testovací stanice v robotizovaném pracovišti / Workplace automated assembly O-rings and test station in robotized workplace

Horák, Petr January 2015 (has links)
The thesis proposes a workplace automatic assembly O-rings on the pneumatic valve. It was designed mechanism assembly, assembly testing, movement to test for leaks, flow measurement, transport valve through the workplace and economic calculation workplace.

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