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Design of mechanical subsystem of tester for touch screen devices
 Kopčil, Tomáš ; Venglář, Vojtěch (oponent) ; Krejsa, Jiří (vedoucí práce)
The main goal of this thesis, was to design and build a system, that could continuously operate automated tests on touch screen devices. This thesis focuses on its mechanical part, the end effector and its actuation. The designed end effector is able to operate on a capacitive touch screen and senses the pressing force acting on the display. The movement is done by the timing belt drives, while their positioning is secured by the stepper motors. A controlling library was created to communicate with the motor drivers via SPI protocol and control the motors. These are driven in a trapezoidal velocity profile during the movement. The whole testing system was put to a 24 hours long reliability test, during which it proved to have performed well with sufficient accuracy and repeatability and meeting the requirements.
Úplný záznam
Design of mechanical subsystem of tester for touch screen devices
 Kopčil, Tomáš ; Venglář, Vojtěch (oponent) ; Krejsa, Jiří (vedoucí práce)
The main goal of this thesis, was to design and build a system, that could continuously operate automated tests on touch screen devices. This thesis focuses on its mechanical part, the end effector and its actuation. The designed end effector is able to operate on a capacitive touch screen and senses the pressing force acting on the display. The movement is done by the timing belt drives, while their positioning is secured by the stepper motors. A controlling library was created to communicate with the motor drivers via SPI protocol and control the motors. These are driven in a trapezoidal velocity profile during the movement. The whole testing system was put to a 24 hours long reliability test, during which it proved to have performed well with sufficient accuracy and repeatability and meeting the requirements.
Úplný záznam

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